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 * Chess.com (c) 2020 | all rights reserved
 *//*!
 * A distant fork of chess.js - BSD (c) 2014, Jeff Hlywa (jhlywa@gmail.com)
 */!function(){"use strict";var n=function(){var 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i=[2,5,10,20,40,80,160,64],s=["","0000000","000000","00000","0000","000","00","0",""];function to32BitHex(e){var n=e.toString(16);return s[n.length]+n}function to64BitHex(e){return to32BitHex(e[0])+to32BitHex(e[1])}function hex64ToDec(e){return[parseInt(e.substr(0,8),16),parseInt(e.substr(8),16)]}function hash(r,s){var f,c,d,u,l,x,p,m,b,h,_,v,g=r.split(" "),y=g[0].split("/"),k="w"===g[1],A=0,S=Number(k),C=S?3:4;for(d=7;d>=0;d-=1){u=0;p=(l=y[d]).length;for(x=0;x<p;x+=1){_=a[m=l[x]];if(_>=0){f=(f^(b=e[64*_+8*(7-d)+u])[0])>>>0;c=(c^b[1])>>>0;_===S&&d===C&&(A|=1<<u)}u+=Number(m)||1}}if("-"!==g[2]){h=g[2];if(h.indexOf("K")>-1){f=(f^(b=n[0])[0])>>>0;c=(c^b[1])>>>0}if(h.indexOf("Q")>-1){f=(f^(b=n[2])[0])>>>0;c=(c^b[1])>>>0}if(h.indexOf("k")>-1){f=(f^(b=n[1])[0])>>>0;c=(c^b[1])>>>0}if(h.indexOf("q")>-1){f=(f^(b=n[3])[0])>>>0;c=(c^b[1])>>>0}}if(g[3]&&"-"!==g[3]){v=g[3].charCodeAt(0)-97;if(i[v]&A){f=(f^(b=t[v])[0])>>>0;c=(c^b[1])>>>0}}if(k){f=(f^o[0])>>>0;c=(c^o[1])>>>0}return s&&"hex"===s?to64BitHex([f,c]):[f,c]}function ajaxLoad(e,n){var t=new XMLHttpRequest,o=e.toLowerCase().indexOf(".json")>-1;function onload(){if(t.status>=200&&t.status<300||304===t.status||0===t.status||1223===t.status){if(o)try{n(null,JSON.parse(t.response))}catch(e){n(e)}else n(null,new DataView(t.response))}else n(Error("Error code: "+t.status))}t.open("GET",e,!0);o||(t.responseType="arraybuffer");t.onload=onload;t.onerror=onload;t.send()}function wrap(e){var n,t,o,a,r={};function parseBook(e,n){var o,a,r,i,s,f,c=t.getUint16(e+8),d=t.getUint16(e+10);return a=c>>9&7,r=c>>6&7,i=c>>3&7,s=7&c,f=c>>12&7,4===r&&n&&a===i&&"-"!==n&&(7===s&&(0===a&&n.indexOf("K")>-1||7===a&&n.indexOf("k")>-1)?s-=1:0===s&&(0===a&&n.indexOf("Q")>-1||7===a&&n.indexOf("q")>-1)&&(s+=2)),o=String.fromCharCode(r+97)+(a+1)+String.fromCharCode(s+97)+(i+1),f&&(o+="nbrq"[f-1]),{move:o,weight:d}}function sortMoves(e){e.sort(function sorter(e,n){return n.weight-e.weight})}function query(e){return"string"==typeof e&&(e={fen:e}),n(e)}function pick(e){var n,t,o,a,r,i=0;sortMoves(n=(e=e||{}).moves||query(e));o=n.length;if(o){if(!e.type||1===o||"best"===e.type)return n[0].move;if("random"===e.type){a=Math.floor(Math.random()*n.sum)+1;for(r=0;r<o-1;r+=1){i+=n[r].weight;if(a<=i)break}return n[r].move}return"randomDisregardWeight"===e.type?n[Math.floor(Math.random()*o)].move:"worst"===e.type?n[o-1].move:((t=parseInt(e.type)||1)<0&&(t=o+t+1),t<1?t=1:t>o&&(t=o),n[t-1].move)}}function bufferBookFind(e){var n,o,a,r,i,s=t.length||t.byteLength||0,f=e.offset||0,c=e.fen,d=e.chess960,u=e.checkAll,l=[],x=0;e.hash?"string"==typeof(n=e.hash)&&(n=hex64ToDec(n)):n=hash(c);!d&&c&&(i=c.split(" ")[2]);for(f=0;f<s;f+=16)if(t.getUint32(f)===n[0]&&t.getUint32(f+4)===n[1]){a=parseBook(f,i);l[l.length]=a;x+=a.weight;o=!0}else if(o&&!u)break;l.sum=x;if(e.relative)for(r=l.length-1;r>=0;r-=1)l[r].relative=Math.round(l[r].weight/x*1e4);return l}function decompressMoves(e){var n,t=[],o=e.b.length;for(n=0;n<o;++n)t.push({move:e.b[n],weight:e.w[n]});return t}function jsonBookFind(e){var n,t,a,i,s,f,c=0,d=e.fen;if(r.useFen)(n=o[a=d.replace(/ \d+ \d+$/,"")])||(i=a.replace(/[a-h][1-8]$/,"-"))===a||(n=o[i]);else{e.hash||(e.hash=hash(d,"hex"));n=o[e.hash];if(n){n[0]&&n[0].n&&(n=n[0]);if(n.n&&!n.b)return[];if(n.b)n=decompressMoves(n);else if(!e.chess960&&d){f=d.split(" ")[2];for(t=n.length-1;t>=0;t-=1)(s=n[t].move.match(/e([18])([ah])\1/))&&("h"===s[2]&&("1"===s[1]&&f.indexOf("K")>-1||"8"===s[1]&&f.indexOf("k")>-1)?n[t]={move:"e"+s[1]+"g"+s[1],weight:n[t].weight}:"a"===s[2]&&("1"===s[1]&&f.indexOf("Q")>-1||"8"===s[1]&&f.indexOf("q")>-1)&&(n[t]={move:"e"+s[1]+"c"+s[1],weight:n[t].weight}))}}}if(n)for(t=n.length-1;t>=0;t-=1)c+=Number(n[t].weight);else n=[];return n.sum=c,n}r={query:query,pick:pick};if(e.getUint32){n=bufferBookFind;t=e;r.buffer=t}else{n=jsonBookFind;o=e;r.json=o;for(a in o){r.useFen=a.indexOf(" ")>-1;break}}return r}function 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rank(e){return e>>4}function file(e){return 7&e}function algebraic(e){return String.fromCharCode(file(e)+97)+(8-rank(e))}function swapColor(e){return 3-e}function hashNum(e,n){e[0]=(e[0]^n[0])>>>0;e[1]=(e[1]^n[1])>>>0}function wordWrap(e,n,t){return n<1?e:(n="number"==typeof n?n:80,e.replace(RegExp("(.{1,"+n+"})(?: |$|\r?\n)","g"),"$1"+t).slice(0,-t.length))}function completeFen(e){var n,t;n=[""," w - - 0 1"," - - 0 1"," - 0 1"," 0 1"," 1"][(t=(e=e.trim()).split(" ")).length];if(n&&e)e+=n;else if("0"===t[5]){t[5]=1;e=t.join(" ")}return e}function formatTimestamp(e){var n=Math.floor(e%36e3/600),t=Math.floor(e%36e3%600)/10;return Math.floor(e/36e3)+":"+(n<10?"0":"")+n+":"+(t<10?"0":"")+t}function timestampToTime(e){var n=e.split(":");return(3600*n[0]+60*n[1]+1*n[2])*10}function createVariantZobristNumbers(){n.zobristCheck=[[0x1a4cef14,0x144412b0],[0x3e08bd8c,0x128a2662],[0x60a76bdf,0x6843fe2e],[0x3c03989c,0x60e3f813],[0x74756ef3,0x17c4439],[0x99c80b2,0x735e13b1]]}function fixFenPieces(e,n){var t,o,a=e.length,i=0,s=0,f=n&&(n===r.Crazyhouse||n===r.Bughouse);for(t=0;t<a;++t){o=e[t];if(+o!=+o){if("/"===o){if(8!==s){e=e.substr(0,t)+(8-s)+e.substr(t);++t;++a}s=0;if(++i>7){if(!f&&t<a-1||!/^[pnbrq]{0,63}$/i.test(e.substr(t+1)))return!1;break}}else if(F[o]){if(++s>8)return!1}else if("~"!==o)return!1;else if(!f||!t||!/[nbrq]/i.test(e[t-1])){e=e.substr(0,t)+e.substr(t+1);--t;--a}}else{s+=1*o;if(s>8){e=e.substr(0,t)+(o-(s-8))+e.substr(t+1);s=8}}}return e}function validateFen(e,n){var t,o,a,i,s,f,c,d,u,l,x,p,m,b,h,_,v,g,y,k,A=/^(?:[A-H]{1,2}[a-h]{0,2}|[A-H]{0,2}[a-h]{1,2}|KQ?k?q?|Qk?q?|kq?|q|-)$/,S=r[n]||1*n||r[String(n).replace(/\s/g,"").toLowerCase()],C=S===r.Crazyhouse||S===r.Bughouse,T=0,E=0,w=!0,P="",M={0:0,7:0},O={0:0,7:0},I={0:"k",7:"K"},B={0:"r",7:"R"},N=S===r.Chess960;if(!e)return 1;if(S===r.Bughouse){s=e.split(" | ");if(2===s.length)return 0===(f=validateFen(s[0],n))&&(f=validateFen(s[1],n)),f}s=e.split(/\s+/);if(S===r["3-check"]&&7===s.length){i=s.pop();if(!/^\+[0-3]\+[0-3]$/.test(i)||"+3+3"===i)return 14}if(6!==s.length)return 1;if(/\D|.{7,}|^0|^$/.test(s[5]))return 2;if(/\D|.{7,}|^0.|^$/.test(s[4]))return 3;if(!/^(?:-|[abcdefgh][36])$/.test(s[3]))return 4;l=s[2];if(N){if(!A.test(l))return 12}else if(!/^(?:KQ?k?q?|Qk?q?|kq?|q|-)$/.test(l)){if(void 0!==n||!A.test(l))return 5;N=!0}if("w"!==s[1]&&"b"!==s[1])return 6;C&&(s[0]=s[0].replace(/~(?=.*\/)/g,""));o=s[0].split("/");if(C&&9===o.length){i=o.pop();if(!/^[pnbrq]{0,63}$/i.test(i))return 13}if(8!==o.length)return 7;if("3"===s[3][1]&&"w"===s[1]||"6"===s[3][1]&&"b"===s[1])return 11;if("-"!==s[3]){c=4==(E="3"===s[3][1]?4:3)?5:2;T=s[3].charCodeAt(0)-97;w=!1;P=4===E?"P":"p"}for(t=0;t<o.length;++t){g=0;y=!1;for(k=0;k<o[t].length;k++){a=o[t][k];if(+a==+a){if(y)return 8;g+=1*a;y=!0}else{if(-1===L.indexOf(a))return 9;w||E!==t||T!==g||P!==a||(w=!0);if(c===t&&T===g)return 11;t%7==0&&(a===I[t]?O[t]=1<<g:a===B[t]&&(M[t]|=1<<g));++g;y=!1}}if(8!==g)return 10}if(!w)return 11;if("-"!==l){if(N){p={0:0,1:0,2:252,4:248,8:240,16:224,32:192,64:128,128:0};x={0:0,1:0,2:1,4:3,8:7,16:15,32:31,64:63,128:0};v={0:[0,0],7:[0,0]};for(t=l.length-1;t>=0;--t){h=l.charCodeAt(t);if(_&&_>h&&_-h<8)return 15;if(75===h)m=M[b=7]&p[O[b]];else if(81===h)m=M[b=7]&x[O[b]];else if(107===h)m=M[b=0]&p[O[b]];else if(113===h)m=M[b=0]&x[O[b]];else{b=h>=97?0:7;m=1<<h-(b?65:97);_=h}if(!m||(m&m-1)!=0||O[b]<2||O[b]>64||(m&M[b])!==m||++v[b][(O[b]<m)*1]>1)return 15}}else{d=(l.indexOf("K")>-1?128:0)|(l.indexOf("Q")>-1?1:0);if(d&&(16!==O[7]||(d&M[7])!==d))return 15;u=(l.indexOf("k")>-1?128:0)|(l.indexOf("q")>-1?1:0);if(u&&(16!==O[0]||(u&M[0])!==u))return 15}}return 0}function handToString(e,n){var t,o,a="",r=0,i=n?6:0;if(e)for(;r<5;){t=e>>U[r]&$[r];for(o=0;o<t;++o)a+=L[r+i];++r}return a}function hash3Check(e,t){t[x]&&hashNum(e,n.zobristCheck[t[x]-1]);t[p]&&hashNum(e,n.zobristCheck[t[p]+2])}function hashHand(e,t){var o,a,r,i,s,f,c,d=0;for(o=1;o<3;++o){a=t[o];if(a){r=0;for(;r<5;){s=d+63*r;i=a>>U[r]&$[r];for(f=0;f<i;++f)hashNum(e,[31*(c=n.zobristPiece[s++])[0]>>>0,17*c[1]>>>0]);++r}}d=315}}function hashEP(e,t,o,a){(e[o+1]===a||e[o-1]===a)&&hashNum(t,n.zobristEnPassant[file(o)])}function getPieces(e,n){var t,o,a=[];for(t=0;t<120;++t){136&t&&(t+=8);o=e[t];if(o&&(o&n)===n){a.push(t);continue}}return a}function addPawnMove(e,n,o,a){var r;if(0===t||e[o+8]&E){if(rank(o)%7==0){r=a|J.PROMOTION|n<<M|o<<O;f[d++]=r|4<<I;f[d++]=r|3<<I;f[d++]=r|2<<I;f[d++]=r|1<<I}else f[d++]=a|n<<M|o<<O}}function kingOfTheHillWin(e){switch(e){case 67:case 68:case 51:case 52:return!0}return!1}function canCastle960(e,n,t,o){var a,r,i,s=n+(t-n%8),f=t>n%8?1:-1;for(i=n+f;i!==s;i+=f)if(e[i])return!1;r=(a=o===x?1===f?118:114:1===f?6:2)-f;if(e[a+8]||e[a]&&a!==n&&a!==s||e[r]&&r!==n&&r!==s)return!1;if(a!==n){f=a>n?1:-1;for(i=n+f;i!==a;i+=f)if(i!==s&&e[i]||e[i+8])return!1}return!0}var ea=function(){function createLine(e,n,t,o,a,i,s){var f,c,d,u,l,m,b,h,_=[],v="",g=!0,y=n[t],k=y.length,A="";if(y.commands)for(u in y.commands)(!i||i.indexOf(u)>-1)&&(A+="[%"+u+" "+y.commands[u]+"]");y.initComment&&!s&&(A=(A+" "+y.initComment.replace(/(\"|\}|\%|\\)/g,"\\$1")).trim());A&&_.push("{"+A+"}");for(c=0;c<k;++c){m=(f=y[c]).color===x;v="";A="";if(o!==r.Bughouse){g&&!m?v=e+"...":m&&(v=e+".");a&&(m||g)&&(v+=" ")}else{_.bughouseOrder||(_.bughouseOrder=[]);_.bughouseOrder.push(f.bughouseOrder);c||(_.blackCountOffset=y[0].color===p?1:0)}v+=f.san;f.annotation&&(v+=f.annotation);f.additionalAnnotation&&(v+=" "+f.additionalAnnotation.join(" "));g=!1;void 0===f.time||f.commands||(f.commands={clk:formatTimestamp(f.time)});if(f.commands)for(u in f.commands)(!i||i.indexOf(u)>-1)&&(A+="[%"+u+" "+f.commands[u]+"]");f.comment&&!s&&(A=(A+" "+f.comment.replace(/(\"|\}|\%|\\)/g,"\\$1")).trim());if(A){v+=" {"+A+"}";g=!0}_.push(v);if(f.lines){b=f.lines.length;for(d=0;d<b;++d){h=f.lines[d];if(n[h].length){(l=createLine(e,n,h,o,a,i,s))[0]="("+l[0];l[l.length-1]+=")";_=_.concat(l);g=!0}}}!m&&e++}return _}function makeBugHousePgn(e,n,t){var o=n,a=e.siblingGame.pgn(),r=0,i=0,s=[];n.bughouseOrder=n.bughouseOrder||[];a.bughouseOrder=a.bughouseOrder||[];for(;n.bughouseOrder.length||a.bughouseOrder.length;)if(!n.bughouseOrder.length||a.bughouseOrder.length&&n.bughouseOrder[0]>a.bughouseOrder[0]){a.bughouseOrder.shift();s.push("B")}else{n.bughouseOrder.shift();s.push("A")}return n=[],s.forEach(function(s){var f,c,d,u="";if("A"===s){f=o;++r;c=r;d=e.startingMoveNumber()}else{f=a;++i;c=i;d=e.siblingGame.startingMoveNumber()}u=String(Math.floor((c+1)/2)+d-1);(f.blackCountOffset+c)%2?u+=s:u+=s.toLowerCase();u+="."+(t?" ":"")+f.shift();n.push(u)}),n}function createHeader(e,n){return"["+e+' "'+String(n).replace(/(\"|\\)/g,"\\$1")+'"]'}return function generatePgn(e,n,t,o,a,i){var s,f,c="string"==typeof e.newline?e.newline:"\n",d=void 0===e.spaceAfterPeriods||e.spaceAfterPeriods,u="";u+=createHeader("Event",n.Event)+c;u+=createHeader("Site",n.Site)+c;u+=createHeader("Date",n.Date)+c;u+=createHeader("Round",n.Round)+c;if(a===r.Bughouse){u+=createHeader("WhiteA",n.WhiteA||"?")+c;u+=createHeader("BlackA",n.BlackA||"?")+c;u+=createHeader("WhiteB",n.WhiteB||"?")+c;u+=createHeader("BlackB",n.BlackB||"?")+c}else{u+=createHeader("White",n.White)+c;u+=createHeader("Black",n.Black)+c}u+=createHeader("Result",n.Result)+c;a&&(u+=createHeader("Variant",n.Variant)+c);if(n.FEN&&n.FEN!==N){u+=createHeader("SetUp","1")+c;u+=createHeader("FEN",n.FEN)+c}for(s in n)-1===eo.indexOf(s)&&(u+=createHeader(s,n[s])+c);u+=c;f=createLine(o,t,0,a,d,e.hideCommands?[]:e.restrictCommands,e.hideComments);if(a===r.Bughouse){if(i.isDependent)return f;f=makeBugHousePgn(i,f,d)}return f.push(n.Result),u+wordWrap(f.join(" "),e.maxWidth,c)}}(),er=function(){var e="!?‼⁇⁉⁈□∇Δ∞⩲⩱\xb1∓⨀⟳→↑⇆∆⌓⇔⇗⟫⟪✕⊥⊕○⇄↻⊙☒~",n=/\[%(\S+)\s([^\]]+)\]/,t=/^(?:[+=~\/\-\u2212]+|T?N|RR|D)$/;function extractCommands(e){for(var t,o=e.commands||{};t=n.exec(e.value);){e.value=e.value.replace(t[0],"").trim();o[t[1]]=t[2];e.commands=o}}function isSplitGame(e,n,t,o){for(var a;++n<t;)if((a=e[n].trim())&&"%"!==a[0])return"["===a[0]&&(!o||/^\[\S+\s+".*"\]$/.test(a))}return function tokenize(n,o){var a,r,i,s,f,c,d,u="tags",l=[],x={type:u,value:""},p=0,m=[],b=!0;o=o||{};s=(a=n.split(/\r?\n/)).length;if(o.recordErrorInfo){m._trackTokenInfo=function(e){var n=l.length;e._lineStart=n?l[n-1]._lineEnd:1;e._colStart=n?l[n-1]._colEnd+1:0;e._lineEnd=r+1;e._colEnd=f;l[n]=e};l.push=m._trackTokenInfo}e:for(r=0;r<s;++r){i=a[r].trim();if("%"!==i[0]){if(i){c=(i=" "+i+" ").length;f=0;if(b)for(;f<c;++f){d=i[f];if("tags"===u){if("["===d)x={type:u="tagName",value:""};else if(d.trim()){x={type:u="san",value:""};b=!1;break}}else if("tagName"===u){if(x.value&&""===d.trim()){l.push(x);u="tagValueStart"}else" "!==d&&(x.value+=d)}else if("tagValueStart"===u){if('"'===d||"“"===d)x={type:u="tagValue",value:""};else if(d.trim()){l.push({type:"tagValue",value:i.slice(f,-1).match(/(.*?)"?\]?$/)[1]});x={type:u="tags",value:""};continue e}}else if("tagValue"===u){if('"'===d||"”"===d){l.push(x);if("]"===i[f+1]){x={type:u="tags",value:""};++f}else if("]"===i.slice(-2,-1)){x.value+=i.substr(f).match(/(.*?)"?\s*\] $/)[1];x={type:u="tags",value:""};continue e}else u="tagEnd"}else{if("\\"===d&&f+2<c){++f;d=i[f]}f>0&&(x.value+=d)}}else{if("]"!==d){if(!d.trim())continue;--f}x={type:u="tags",value:""}}}for(;f<c;++f){d=i[f];if("san"===u){if(e.indexOf(d)>-1){if("!"===d||"?"===d||6>e.indexOf(d)&&(d=["!!","??","!?","?!"][e.indexOf(d)-2])){x.value&&l.push(x);x={type:"a",value:d};("!"===i[f+1]||"?"===i[f+1])&&(x.value+=i[++f]);l.push(x);x={type:"san",value:""}}else{if("∞"===d&&"=/"===x.value){x.type="aa";x.value+=d}else{if(x.value){t.test(x.value)&&("--"!==x.value||o.rejectNullMoves)&&(x.type="aa");l.push(x)}x={type:"aa",value:d};if("↑"===d&&"↑"===i[f+1]){x.value="↻";++f}}l.push(x);x={type:"san",value:""}}}else if(" "===d||"	"===d||"\r"===d||"{"===d||"("===d||")"===d){if(x.value){if("$"===x.value[0])x.type="nag";else if("*"===x.value||"1-0"===x.value||"0-1"===x.value||"1/2-1/2"===x.value||"\xbd-\xbd"===x.value){if(p||f+1<c)x.type="*"===x.value?"cont":"comment";else{x.type="result";"\xbd-\xbd"===x.value&&(x.value="1/2-1/2");l.push(x);m.push(l);if(r+1===s||r+2===s&&!a[r+1])return m;b=!0;x={type:u="tags",value:""};l=[];o.recordErrorInfo&&(l.push=m._trackTokenInfo);break}}t.test(x.value)&&("--"!==x.value||o.rejectNullMoves)&&(x.type="aa");l.push(x);x={type:u,value:""}}if(" "===d||"	"===d||"\r"===d)u="san";else if("{"===d){u="comment";if(l.length&&"comment"===l[l.length-1].type){x=l.pop();x.value+=" "}}else if("("===d){u="san";l.push({type:"variationStart",value:++p})}else{if(p<1){if(!o.commentErrors)return!1}else l.push({type:"variationEnd",value:p--});u="san"}x.type=u}else if("."!==d&&(x.value||+d!=+d||"-"===i[f+1]||"/"===i[f+1]))x.value+=d;else if(+d==+d){x.number||(x.number="");x.number+=d;switch(i[f+1]){case"A":case"a":case"B":case"b":x.number+=i[++f];l.push({type:"number",value:x.number});delete x.number}}}else{0===f&&(x.value=x.value.trim());if("}"!==d){"\\"===d&&f+2<c&&(d=i[++f]);x.value+=d}else{x.value=x.value.trim();x.value.indexOf("[")>-1&&extractCommands(x);l.push(x);x={type:u="san",value:""}}}}}else if(l.length){if("tags"===u){u="san";b=!1}else if("tagValueStart"!==u&&isSplitGame(a,r,s,p||"comment"===u)){"comment"===u&&l.push(x);if("tagValue"!==l[l.length-1].type){m.push(l);l=[];o.recordErrorInfo&&(l.push=m._trackTokenInfo)}u="tags";b=!0;p=0}}}}return x.value&&l.push(x),(l.length||!m.length)&&m.push(l),m}}();function Chess(eo,ei){var es,ef,ec=0,ed=!0,eu=[],el=x,ex=[],ep=l,em=0,eb=1,eh=1,e_=[],ev=[e_],eg=0;e_.id=eg;var ey={},ek=[],eA=!1,eS=!1,eC=makeMoveChess,moveToSan=function(e,n){var t,o,a,r,i,s,f="";if(e&J.KQSIDE_CASTLE)f=e&J.KSIDE_CASTLE?"O-O":"O-O-O";else if(e&J.DROP){a=e>>O&B;(t=e>>I)&&(f+=Y[t]);f+="@"+algebraic(a)}else{a=e>>O&B;r=ef[o=e>>M&B];if(r&m){e&J.ANY_CAPTURE&&(f+=String.fromCharCode(file(o)+97)+"x");f+=algebraic(a);e&J.PROMOTION&&(f+="="+Y[t=e>>I])}else{f+=V[r&A];u>1&&(f+=getDisambiguator(r,o,a));e&J.ANY_CAPTURE&&(f+="x");f+=algebraic(a)}}if(!n){if(e&J.KQSIDE_CASTLE){o=e>>M&B;a=e>>O&B}else e&J.DROP_OR_PROMOTE&&(r=Z[t]+el);if(inCheckAfterMove(r,o,a,e)){eC(e,o,a,t);i=c;c=d;s=u;ec&&isVariantWin()||generateMoves()===c?f+="#":f+="+";d=c;c=i;u=s;reverseMove(e_.pop())}}return f};function hashPosition(){var e,t,o,a=el===x?[0xf8d626aa,0xaf278509]:[0,0];for(o=0;o<120;++o){136&o&&(o+=8);(e=ef[o])&&hashNum(a,n.zobristPiece[64*n.zobristPieceValueNumbers[e&A]+8*(7-rank(o))+file(o)])}if(eS){for(t=1;t<3;++t)if(ex[t]){if((ex[t]&ex[t]-1)!=0){hashNum(a,n.zobristCastle[t-1]);hashNum(a,n.zobristCastle[t+1])}else ex[t]>1<<file(eu[t])?hashNum(a,n.zobristCastle[t-1]):hashNum(a,n.zobristCastle[t+1])}}else{for(t=1;t<3;++t)if(ex[t]){ex[t]&J.KSIDE_CASTLE&&hashNum(a,n.zobristCastle[t-1]);ex[t]&J.QSIDE_CASTLE&&hashNum(a,n.zobristCastle[t+1])}eA?hashHand(a,es._hand):ec===r["3-check"]&&hash3Check(a,ek)}return ep!==l&&hashEP(ef,a,ep+(el===x?16:-16),m|el),a}function getCurrentHash(){var e;if(e_.length)e=e_[e_.length-1].hash;else{e_.hash||(e_.hash=hashPosition());e=e_.hash}return[e[0],e[1]]}function bughouseify(e){function fixBughouseSan(e){return/#/.test(e)&&checkIsPotentiallyBlockable()&&(e=e.replace("#","+")),e}function bughouseFunc(n,t){var o=e(n,t);if(o&&"boolean"!=typeof o){if("string"==typeof o)o=fixBughouseSan(o);else{o.san=fixBughouseSan(o.san);e_[e_.length-1].san=o.san}}return o}return bughouseFunc._isBughouseified=!0,bughouseFunc._orig=e,bughouseFunc}function setVariant(e,n){var t=ec;ec=e?r[e]||1*e||r[String(e).replace(/\s/g,"").toLowerCase()]||r.Chess:0;if(t!==ec){if(ec===r.Bughouse){eA=!0;if(!es.isDependent){es.siblingGame=Chess();es.siblingGame.hashing(ed);es.siblingGame.isDependent=!0;es.siblingGame.siblingGame=es;es.siblingGame.header({Variant:"Bughouse"})}createVariantZobristNumbers();eC=makeMoveVariant;moveToSan=bughouseify(moveToSan);es.move=bughouseify(es.move)}else{delete es.siblingGame;eA=ec===r.Crazyhouse;eS=ec===r.Chess960;if(ec){createVariantZobristNumbers();eC=makeMoveVariant}else eC=makeMoveChess;if(moveToSan._isBughouseified){moveToSan=moveToSan._orig;es.move=es.move._orig}}n||updateSetup(generateFen())}}function disambiguate960Rook(e,n){for(var t,o,a=e>7?x:p;!(136&e);){t=ef[e];if(t&a){if(t&_){if(o)return;o=e%8+(a===x?65:97)}else if(t&g)return o}e+=n}}function clear(e,n,t){ef=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];el=x;eu[x]=l;eu[p]=l;ex[x]=0;ex[p]=0;es._hand[x]=0;es._hand[p]=0;ek[x]=0;ek[p]=0;ep=l;em=0;eb=1;if(!n){ev=[e_=[]];eg=0;e_.id=eg;ey={Event:"?",Site:"?",Date:"????.??.??",Round:"?",White:"?",Black:"?",Result:"*"};e?setHeader(["Variant",e]):setVariant(!1,t);t||updateSetup(generateFen())}}function reset(){clear(0,!1,!0);e_.hash=[0x463b9618,0x1691fc9c];ef=[34,10,18,66,130,18,10,34,0,0,0,0,0,0,0,0,6,6,6,6,6,6,6,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5,5,5,5,5,5,5,5,0,0,0,0,0,0,0,0,33,9,17,65,129,17,9,33,0,0,0,0,0,0,0,0];eh=1;eu[x]=116;eu[p]=4;ex[x]=48;ex[p]=48}function load(e,n,t,o){var a,f,c,d,u,b,h,v,k,A,C,T,E=0;if(o){T=(a=e.split(" "))[3];C=a[2]}else{T=(a=e.trim().split(/\s+/))[3]||"-";C=a[2]||"-"}void 0===n?(31&C.charCodeAt(0))<9&&setVariant(r.Chess960,!0):setVariant(n,!0);f=a[0];if(!o&&!(f=fixFenPieces(f,ec)))return!1;d=f.length;clear(i[ec],t,!0);if(eA){if(ec===r.Bughouse&&!es.isDependent){b=e.split(" | ");if(!es.siblingGame.load(1===b.length?e:b[1],n,t,o))return reset(),!1}for(u=0;u<d;++u){h=f[u];if(+h!=+h){if("/"===h){if(E>111){for(++u;u<d;++u){h=f[u];es._hand[h<"a"?x:p]+=1<<X[h]>>>0}break}E+=8}else{ef[E]=F[h];if("~"===f[u+1]){++u;ef[E]|=S}ef[E]&g&&(eu[ef[E]&y]=E);++E}}else E+=1*h}}else for(u=0;u<d;++u){h=f[u];if(+h!=+h){if("/"===h)E+=8;else{ef[E]=F[h];ef[E]&g&&(eu[ef[E]&y]=E);++E}}else E+=1*h}el="b"===a[1]?p:x;if("-"!==C){if(eS){k={1:[0,0],2:[0,0]};for(u=C.length-1;u>=0;--u){75===(c=C.charCodeAt(u))?c=disambiguate960Rook(119,-1):81===c?c=disambiguate960Rook(112,1):107===c?c=disambiguate960Rook(7,-1):113===c&&(c=disambiguate960Rook(0,1));v=c<97?x:p;A=en[String.fromCharCode(c)];if(o||ef[A]===(_|v)){c>=97?eu[v]>=1&&eu[v]<=6&&(ex[v]|=1<<A):eu[v]>=113&&eu[v]<=118&&(ex[v]|=1<<A-112);++k[v][(eu[v]<A)*1]}}(k[x][0]>1||k[x][1]>1)&&(ex[x]=0);(k[p][0]>1||k[p][1]>1)&&(ex[p]=0)}else{if(!o)for(u=C.length-1;u>=0;--u){v=97>C.charCodeAt(u)?x:p;(ef[en[C[u]]]!==(_|v)||eu[v]!==(v===x?116:4))&&(C=C.substr(0,u)+C.substr(u+1))}for(u=C.length-1;u>=0;--u)switch(C[u]){case"K":ex[x]|=J.KSIDE_CASTLE;break;case"Q":ex[x]|=J.QSIDE_CASTLE;break;case"k":ex[p]|=J.KSIDE_CASTLE;break;case"q":ex[p]|=J.QSIDE_CASTLE}}}!o&&(2!==T.length||el===x&&"6"!==T[1]||el===p&&"3"!==T[1]||ef[T.charCodeAt(0)-97+(8-("3"===T[1]?4:5))*16]!==(m|swapColor(el))||ef[s[T]])&&(T="-");ep="-"===T?l:s[T];em=1*a[4]||0;eb=1*a[5]||1;if(ec===r["3-check"]){a[6]&&"+3+3"!==a[6]&&(b=a[6].match(/^\+([0-3])\+([0-3])$/));b=b||[0,0,0];ek[x]=1*b[1];ek[p]=1*b[2]}if(!t){eh=eb;updateSetup(generateFen())}return!0}function generateStandardFen(){var e,n,t=0,o="",a="";for(e=0;e<120;++e){if(136&e){t&&(o+=t);o+="/";t=0;e+=8}n=ef[e];if(n){if(t){o+=t;t=0}o+=H[n&A]}else++t}return t&&(o+=t),ex[x]&J.KSIDE_CASTLE&&(a+="K"),ex[x]&J.QSIDE_CASTLE&&(a+="Q"),ex[p]&J.KSIDE_CASTLE&&(a+="k"),ex[p]&J.QSIDE_CASTLE&&(a+="q"),o+=" "+(el===x?"w":"b")+" "+(a||"-")+" "+(ep===l?"-":algebraic(ep))+" "+em+" "+eb}function generateVariantFen(){var e,n,t,o=0,a="",i="";for(e=0;e<120;++e){if(136&e){o&&(a+=o);a+="/";o=0;e+=8}t=ef[e];if(t){if(o){a+=o;o=0}a+=H[t&A];eA&&t&S&&(a+="~")}else++o}o&&(a+=o);eA&&(a+="/"+handToString(es._hand[x],!0)+handToString(es._hand[p]));if(eS){n=ex[p];e=0;for(;n;){1&n&&(i=String.fromCharCode(e+97)+i);n>>=1;++e}n=ex[x];e=0;for(;n;){1&n&&(i=String.fromCharCode(e+65)+i);n>>=1;++e}}else{ex[x]&J.KSIDE_CASTLE&&(i+="K");ex[x]&J.QSIDE_CASTLE&&(i+="Q");ex[p]&J.KSIDE_CASTLE&&(i+="k");ex[p]&J.QSIDE_CASTLE&&(i+="q")}return a+=" "+(el===x?"w":"b")+" "+(i||"-")+" "+(ep===l?"-":algebraic(ep))+" "+em+" "+eb,ec===r["3-check"]?a+=" +"+ek[x]+"+"+ek[p]:ec!==r.Bughouse||es.isDependent||(a+=" | "+es.siblingGame.fen()),a}function generateFen(){return ec?generateVariantFen():generateStandardFen()}function setHeader(e){var n,t,o;for(n=0;n<e.length;n+=2){t=e[n];o=e[n+1];if(t){if("Variant"===t){setVariant(o);o=ec?i[ec]:void 0}"Result"===t&&"*"!==o&&"1-0"!==o&&"0-1"!==o&&"1/2-1/2"!==o&&(o="*");void 0!==o?ey[t]=String(o):et.indexOf(t)>-1?"Date"===t?ey[t]="????.??.??":ey[t]="?":delete ey[t]}}return ey}function updateSetup(e){if(!(e_.length>0)&&!eg){if(e!==N){ey.SetUp="1";ey.FEN=e;e_.hash=null}else{delete ey.SetUp;delete ey.FEN;e_.hash=[0x463b9618,0x1691fc9c]}}}function get(e){var n=ef[s[e]];return n?{type:H[n&k|p],color:n&y,promoted:(n&S)!=0}:null}function chooseKingThreats(e,n){return eS&&ex[e]?Q:!(ex[e]&J.KSIDE_CASTLE)||ef[n+1]||ef[n+2]?!(ex[e]&J.QSIDE_CASTLE)||ef[n-1]||ef[n-2]||ef[n-3]?z:(a=J.QSIDE_CASTLE,j):!(ex[e]&J.QSIDE_CASTLE)||ef[n-1]||ef[n-2]||ef[n-3]?(a=J.KSIDE_CASTLE,W):(a=J.KQSIDE_CASTLE,q)}function calculateLegalMoveInfo(n,r){var i,s,f,c,d,u,x,p,b,h,_,v,g,y=el,A=ef;e=[];t=0;o=0;a=0;A[8]=A[9]=A[10]=A[11]=A[12]=A[13]=A[14]=A[15]=A[24]=A[25]=A[26]=A[27]=A[28]=A[29]=A[30]=A[31]=A[40]=A[41]=A[42]=A[43]=A[44]=A[45]=A[46]=A[47]=A[56]=A[57]=A[58]=A[59]=A[60]=A[61]=A[62]=A[63]=A[72]=A[73]=A[74]=A[75]=A[76]=A[77]=A[78]=A[79]=A[88]=A[89]=A[90]=A[91]=A[92]=A[93]=A[94]=A[95]=A[104]=A[105]=A[106]=A[107]=A[108]=A[109]=A[110]=A[111]=A[120]=A[121]=A[122]=A[123]=A[124]=A[125]=A[126]=A[127]=0;if(r===l){e=getPieces(ef,y|n);return}v=chooseKingThreats(y,r);for(i=0;i<120;++i){136&i&&(i+=8);c=ef[i];if(c){if(c&y){(!n||(0|c)&n)&&e.push(i);continue}g=v[i-r+119];if((g&c)!=0){if(c&m){b=D[c];for(s=1;s<3;++s){x=i+b[s];if(!(136&x)){A[x+8]|=T;if(x===r){++t;A[i+8]|=E}}}}else{p=(b=D[c&k]).length;_=c&C;n:for(s=0;s<p;++s){h=b[s];x=i;if((!(r>x)||!(h<0)||!(r-x>16))&&(!(r<x)||!(h>0)||!(x-r>16)))for(;(136&(x+=h))==0;){A[x+8]|=T;d=ef[x];if(d){if(d&y){if(x===r){for(f=x-h;f!==i;f-=h)A[f+8]|=E;A[i+8]|=E;++t;_&&(136&(x+=h))==0&&(A[x+8]|=T)}else if(_&&256&g){u=x;for(;(u+=h)!==r;)if(136&u||ef[u])continue n;A[x+8]|=w+(Math.abs(h)<<P);++o}}break}if(!_)break}}}}}}t>1&&(e=[r])}function validateEnPassant(e,n){var o,a,r,i=n+16*(el===x?1:-1);return(1!==t||(ef[n+8]&E)!=0||(ef[i+8]&E)!=0)&&(o=ef[e],ef[n]=o,ef[e]=0,a=ef[i],ef[i]=0,r=inCheck(),ef[e]=o,ef[n]=0,ef[i]=a,!r)}function addCastlingMoves(e){var n,t,o;if(eS){if(ex[e]){t=(n=eu[e])%8;for(o=0;o<8;++o)if(ex[e]&1<<o&&canCastle960(ef,n,o,e)){f[d++]=(o>t?J.KSIDE_CASTLE:J.QSIDE_CASTLE)+(n<<M)+(n+(o-t)<<O);++o}}}else{if(a&J.KSIDE_CASTLE){t=(n=eu[e])+2;0===ef[n+9]&&0===ef[n+10]&&(f[d++]=J.KSIDE_CASTLE+(n<<M)+(t<<O))}if(a&J.QSIDE_CASTLE){t=(n=eu[e])-2;0===ef[n+7]&&0===ef[n+6]&&(f[d++]=J.QSIDE_CASTLE+(n<<M)+(t<<O))}}}function drop(e,n,o){var a,r,i,s,c;if(!e){n&&(n>>=26);for(s=0;s<5;++s)if((!n||(0|n)==1<<s)&&es._hand[o]&$[s]<<U[s]){if(0===s){a=16;r=103;i=J.DROP}else{a=0;r=119;i=J.DROP|s<<I}for(c=a;c<=r;++c){136&c&&(c+=8);!ef[c]&&(0===t||1===t&&ef[c+8]&E)&&(f[d++]=i|c<<O)}if(n)return}}}function generateMoves(n,a){var r,i,s,l,x,p,h,_,v,g,y=el,A=swapColor(y),S=eu[y];calculateLegalMoveInfo(n,S);u=e.length;d=c;for(v=0;v<u;++v){l=ef[r=e[v]];if(!t||!o||!(ef[r+8]&w)){if(l&m){p=D[l];if(0===o||(ef[r+8]&w)==0||ef[r+8]>>P==16){x=r+p[0];if(0===ef[x]){addPawnMove(ef,r,x,0);ee[y]!==rank(r)||ef[x+=p[0]]||addPawnMove(ef,r,x,J.BIG_PAWN)}}for(i=1;i<3;++i)!(136&(x=r+(h=p[i])))&&(!o||!(ef[r+8]&w)||ef[r+8]>>P===Math.abs(h))&&(ef[x]&A?addPawnMove(ef,r,x,J.CAPTURE):x===ep&&validateEnPassant(r,x)&&(f[d++]=J.EP_CAPTURE|r<<M|x<<O))}else{if(o&&ef[r+8]&w){if(l&b||!(G[r-eu[y]+119]&l))continue;p=[h=ef[r+8]>>P,-h]}else p=D[l&k];g=r<<M;if(r===S){for(i=0;i<8;++i)(136&(x=r+(h=p[i])))==0&&(ef[x]?ef[x]&A&&(ef[x+8]&T)==0&&(f[d++]=J.CAPTURE|g|x<<O):(ef[x+8]&T)==0&&(f[d++]=g|x<<O));0===t&&addCastlingMoves(y)}else{s=p.length;_=l&C;for(i=0;i<s;++i){h=p[i];x=r;for(;;){x+=h;if(136&x)break;if(ef[x]){ef[x]&A&&(0===t||ef[x+8]&E)&&(f[d++]=J.CAPTURE|g|x<<O);break}(0===t||ef[x+8]&E)&&(f[d++]=g|x<<O);if(!_)break}}}}}}return ec&&(eA?drop(a,n,y):!eS&&isVariantWin()&&(d=c)),d}function inCheckAfterMove(e,n,t,o){var a,i,s,f,c,d,u,p,b;if(ec===r["King of the Hill"]&&e&g&&kingOfTheHillWin(t))return!0;if(o&J.KQSIDE_CASTLE){t=el===x?o&J.KSIDE_CASTLE?117:115:o&J.KSIDE_CASTLE?5:3;e=_;b=!0}a=eu[swapColor(el)];if(a===l)return!1;if((e&g)==0){i=G[t-a+119];if(i&e){f=K[t-a+119];d=e&C;c=t+f;for(;(136&c)==0;){if(c===a){if(e&m){if((e&y)===x?a-t<0:a-t>0)return!0;break}return!0}if(c!==n&&ef[c]||!d)break;c+=f}}}if(!b){s=G[n-a+119];if(s&C){f=K[n-a+119];if(f!==K[t-a+119]){c=a-f;for(;(136&c)==0;){if(c!==n){u=ef[c];if(u){if(u&el&&s&u&&u&C)return!0;break}}c-=f}}}if(o&J.EP_CAPTURE){s=G[(p=t+16*(el===x?1:-1))-a+119];if(s&C){f=K[p-a+119];c=a-f;for(;(136&c)==0;){if(c!==n&&c!==p){if(c===t)break;u=ef[c];if(u){if(u&el&&s&u&&u&C)return!0;break}}c-=f}}}}return!1}function attacked(e,n){var t,o,a,r,i=D[b],s=b|e;for(t=0;t<8;++t){a=n+i[t];if((136&a)==0){o=ef[a];if((o&s)===s)return!0}}i=D[g];for(t=0;t<8;++t){a=n+(r=i[t]);for(;(136&a)==0;){o=ef[a];if(o){if(o&e&&G[n-a+119]&o&&(!(o&m)||(e===x?n-a<0:n-a>0)))return!0;break}a+=r}}return!1}function kingAttacked(e){return eu[e]!==l&&attacked(swapColor(e),eu[e])}function inCheck(){return kingAttacked(el)}function checkIsPotentiallyBlockable(){var e,n,t,o=16384;return es._hand[el]+=o,e=c,c=d,n=u,t=generateMoves()!==c,d=c,c=e,u=n,es._hand[el]-=o,t}function inCheckmate(){return inCheck()&&(f[0]=0)===generateMoves()&&!f[0]&&(ec!==r.Bughouse||!checkIsPotentiallyBlockable())}function inStalemate(){var e=!inCheck()&&(f[0]=0)===generateMoves()&&!f[0];return e&&ec===r.Bughouse&&!es.isDependent&&(e=es.siblingGame.inStalemate()),e&&eu[el]!==l}function insufficientMaterial(e){var n,t,o=0,a=0,r=0;for(t=0;t<120;++t){136&t&&(t+=8);n=ef[t];if(n){if(e&&(n&e)==0)continue;if(100&n)return!1;if(n&b){if(a||o++)return!1}else if(n&h){if(o)return!1;++a;(rank(t)+t)%2&&++r;if(r&&a!==r)return!1}}}return eu[x]!==l&&eu[p]!==l}function inThreefoldRepetition(){if(em<8)return!1;for(var e,n=getCurrentHash(),t=!1,o=em,a=!1,r=e_,i=r.length-1;;){i-=2;if(i<0){if(r.id){i=r.atMoveNode+i+2;r=ev[r.parentId];continue}if(-2===i)return!1;e=r.hash;a=!0}else{e=r[i].hash;r[i].halfMoves>o||o<2?a=!0:o=r[i].halfMoves}if(e[0]===n[0]&&e[1]===n[1]){if(t)return!0;t=!0}if(a)return!1}}function modifyHand(e){var t,o,a,i,s,f,c,d,u,l,p=e.move;if(ec===r.Crazyhouse||p&J.DROP){o=es._hand;f=e.hash;l=e.color}else{o=es.siblingGame._hand;e.handSibling=!0;if(ed){c=es.siblingGame._history();if(c.length)f=c[c.length-1].hash;else{c.hash||(c.hash=es.siblingGame._hashPosition());f=c.hash}}l=swapColor(e.color)}if(e.captured){a=e.captured&S?m:e.captured&k;switch(a&k){case m:d=0;break;case b:d=1;break;case h:d=2;break;case _:d=3;break;default:d=4}t=1<<U[d];if(ed){s=o[l]>>U[d]&$[d];u=n.zobristPiece[s+63*d+(l===x?0:315)]}}else{t=-1<<U[i=p>>I];if(ed){s=o[l]>>U[i]&$[i];u=n.zobristPiece[s-1+63*i+(l===x?0:315)]}}o[l]+=t;e.handChange=t;ed&&hashNum(f,[31*u[0]>>>0,17*u[1]>>>0])}function makeMoveChess(e,t,o,a){var r,i,s,f,c,d,u,b,h=el,v=swapColor(h),y={move:e,epSquare:ep,halfMoves:em,castlingW:ex[x],castlingB:ex[p],color:h},k=h===x;if(ed){f=getCurrentHash();y.hash=f;hashNum(f,n.zobristTurn);ep!==l&&hashEP(ef,f,ep+(k?16:-16),m|h)}if((e&J.KQSIDE_CASTLE)==0){if(eA&&e&J.DROP){ef[o]=Z[a]|h;ed&&hashNum(f,n.zobristPiece[64*n.zobristPieceValueNumbers[ef[o]]+8*(7-rank(o))+file(o)]);modifyHand(y);u=0}else{u=ef[t];b=ef[o];if(b){y.captured=b;ed&&hashNum(f,n.zobristPiece[64*n.zobristPieceValueNumbers[ef[o]&A]+8*(7-rank(o))+file(o)]);if(b&_&&ex[v]){if(eS){if(rank(o)===(k?0:7)){s=1<<file(o);if(ex[v]&s){ex[v]^=s;ed&&(s>1<<file(eu[h])?hashNum(f,n.zobristCastle[v-1]):hashNum(f,n.zobristCastle[v+1]))}}}else if(o===(k?7:119)){if(ex[v]&J.KSIDE_CASTLE){ex[v]^=J.KSIDE_CASTLE;ed&&hashNum(f,n.zobristCastle[v-1])}}else if(o===(k?0:112)&&ex[v]&J.QSIDE_CASTLE){ex[v]^=J.QSIDE_CASTLE;ed&&hashNum(f,n.zobristCastle[v+1])}}}e&J.PROMOTION?ef[o]=Z[a]|h|S:ef[o]=ef[t];ef[t]=0;if(ed){hashNum(f,n.zobristPiece[64*n.zobristPieceValueNumbers[u&A]+8*(7-rank(t))+file(t)]);hashNum(f,n.zobristPiece[64*n.zobristPieceValueNumbers[ef[o]&A]+8*(7-rank(o))+file(o)])}}}else u=g;if(e&J.EP_CAPTURE){if(k){d=o+16;c=6}else{d=o-16;c=8}y.captured=m|v;ef[d]=0;ed&&hashNum(f,n.zobristPiece[64*n.zobristPieceValueNumbers[m|v]+8*(c-rank(o))+file(o)])}else if(u&g){if(eS){if(e&J.KQSIDE_CASTLE){ef[o]=0;ef[t]=0;if(e&J.KSIDE_CASTLE){if(k){r=118;i=117}else{r=6;i=5}}else if(k){r=114;i=115}else{r=2;i=3}ef[r]=h|g;ef[i]=h|_;if(ed){hashNum(f,n.zobristPiece[64*n.zobristPieceValueNumbers[g|h]+8*(7-rank(t))+file(t)]);hashNum(f,n.zobristPiece[64*n.zobristPieceValueNumbers[_|h]+8*(7-rank(o))+file(o)]);hashNum(f,n.zobristPiece[64*n.zobristPieceValueNumbers[g|h]+8*(7-rank(r))+file(r)]);hashNum(f,n.zobristPiece[64*n.zobristPieceValueNumbers[_|h]+8*(7-rank(i))+file(i)])}}if(ed){if((ex[h]&ex[h]-1)!=0){hashNum(f,n.zobristCastle[h-1]);hashNum(f,n.zobristCastle[h+1])}else ex[h]>1<<file(eu[h])?hashNum(f,n.zobristCastle[h-1]):hashNum(f,n.zobristCastle[h+1])}eu[h]=r||o}else{if(e&J.KQSIDE_CASTLE){ef[o]=ef[t];ef[t]=0;if(e&J.KSIDE_CASTLE){r=o-1;i=o+1}else{r=o+1;i=o-2}ef[r]=ef[i];ef[i]=0;if(ed){hashNum(f,n.zobristPiece[64*n.zobristPieceValueNumbers[g|h]+8*(7-rank(t))+file(t)]);hashNum(f,n.zobristPiece[64*n.zobristPieceValueNumbers[_|h]+8*(7-rank(i))+file(i)]);hashNum(f,n.zobristPiece[64*n.zobristPieceValueNumbers[g|h]+8*(7-rank(o))+file(o)]);hashNum(f,n.zobristPiece[64*n.zobristPieceValueNumbers[_|h]+8*(7-rank(r))+file(r)])}}if(ed){ex[h]&J.KSIDE_CASTLE&&hashNum(f,n.zobristCastle[h-1]);ex[h]&J.QSIDE_CASTLE&&hashNum(f,n.zobristCastle[h+1])}eu[h]=o}ex[h]=0}else if(u&_&&ex[h]){if(eS){if(rank(t)===(k?7:0)){s=1<<file(t);if(ex[h]&s){ex[h]^=s;ed&&(s>1<<file(eu[h])?hashNum(f,n.zobristCastle[h-1]):hashNum(f,n.zobristCastle[h+1]))}}}else if(t===(k?119:7)){if(ex[h]&J.KSIDE_CASTLE){ex[h]^=J.KSIDE_CASTLE;ed&&hashNum(f,n.zobristCastle[h-1])}}else if(t===(k?112:0)&&ex[h]&J.QSIDE_CASTLE){ex[h]^=J.QSIDE_CASTLE;ed&&hashNum(f,n.zobristCastle[h+1])}}if(e&J.BIG_PAWN){ep=k?o+16:o-16;ed&&hashEP(ef,f,o,m|v)}else ep=l;u&m||e&J.ANY_CAPTURE?em=0:em++;el=v;e_.push(y)}function makeNullMove(){var e,t={color:el,san:"--",epSquare:ep},o={color:el,san:"--"};if(ed){e=getCurrentHash();t.hash=e;hashNum(e,n.zobristTurn);ep!==l&&hashEP(ef,e,ep+(el===x?16:-16),m|el)}return ep=l,em++,(el=swapColor(el))===x&&++eb,e_.push(t),o}function makeMoveVariant(e,t,o,a){var i,s=el;makeMoveChess(e,t,o,a);i=e_[e_.length-1];if(eA){em=i.halfMoves+1;i.captured&&modifyHand(i);ec===r.Bughouse&&(i.bughouseOrder=es.moveCount()-1+es.siblingGame.moveCount())}else if(ec===r["3-check"]&&kingAttacked(el)){i.checked=!0;ed&&ek[s]&&hashNum(i.hash,n.zobristCheck[ek[s]+(s===x?-1:2)]);++ek[s];ed&&hashNum(i.hash,n.zobristCheck[ek[s]+(s===x?-1:2)])}}function reverseMove(e){var n,t,o=el,a=swapColor(o),i=e.move,s=i>>O&B,f=i>>M&B;el=a;ex[p]=e.castlingB;ex[x]=e.castlingW;ep=e.epSquare;em=e.halfMoves;if(ec){if(eS&&i&J.KQSIDE_CASTLE){if(i&J.KSIDE_CASTLE){if(a===x){t=118;n=117}else{t=6;n=5}}else if(a===x){t=114;n=115}else{t=2;n=3}ef[t]=0;ef[n]=0;ef[f]=a|g;ef[s]=a|_;eu[a]=f;return}e.handChange&&(ec!==r.Crazyhouse&&e.handSibling?es.siblingGame._hand[swapColor(a)]-=e.handChange:es._hand[a]-=e.handChange);if(i&J.DROP){ef[s]=0;return}e.checked&&--ek[a]}if(i&J.PROMOTION){ef[f]=m|a;i&J.CAPTURE?ef[s]=e.captured:ef[s]=0}else{ef[f]=ef[s];if(i&J.KQSIDE_CASTLE){ef[s]=0;if(i&J.KSIDE_CASTLE){n=s+1;t=s-1}else{n=s-2;t=s+1}ef[n]=a|_;ef[t]=0;eu[a]=f}else{s===eu[a]&&(eu[a]=f);if(i&J.CAPTURE)ef[s]=e.captured;else{ef[s]=0;i&J.EP_CAPTURE&&(ef[s-(a===x?-16:16)]=m|o)}}}}function getDisambiguator(e,n,t){var o,a,r,i,s,c,u,l;if(d<2)return"";e&=k;for(l=0;l<d;++l){u=(o=f[l])>>O;if(t===u){i=o>>M&B;if(i!==n){a=ef[i];if(a&e){r=!0;if(rank(n)===rank(i)){if(s)return algebraic(n);c=!0}if(file(n)===file(i)){if(c)return algebraic(n);s=!0}}}}}return r?s?String(8-rank(n)):String.fromCharCode(file(n)+97):""}function beautifyMove(e,n,t){var o,a,r=e>>O&B,i={color:el,to:algebraic(r),flags:e&B};if(eA&&(e&J.DROP)!=0){a=e>>I;i.drop=a;i.piece=Z[a]+el}else{o=e>>M&B;i.from=algebraic(o);i.piece=ef[o];if(e&J.PROMOTION){a=e>>I;i.promotion=Z[a]+el}e&J.CAPTURE?i.captured=ef[r]:e&J.EP_CAPTURE&&(i.captured=m|swapColor(el))}return n?i.san=n:i.san=moveToSan(e,t),i}function isVariantWin(){return ec===r["3-check"]?3===ek[swapColor(el)]:ec===r["King of the Hill"]?kingOfTheHillWin(eu[swapColor(el)]):void 0}function isBughouseWin(){if(ec===r.Bughouse)return es.siblingGame.inCheckmate()}function isBughouseDraw(){if(ec===r.Bughouse)return es.siblingGame.in50MoveRule()||es.siblingGame.inThreefoldRepetition()}function createVariation(){var e=[],n=generateFen(),t=e_.length-1,o=e_[t];if(!o)return!1;e.parentId=eg;e.id=ev.length;e_.curFen=n;o.lines||(o.lines=[]);o.lines.push(e.id);if(o.move)reverseMove(o);else{ep=o.epSquare;--em;el=swapColor(el)}return el===p&&--eb,e.atMoveNode=t,t?e.hash=e_[t-1].hash:e.hash=e_.hash,eg=e.id,ev.push(e),e_=e,!0}function selectLine(e){var n=generateFen();e_.curFen=n;e_=ev[e];eg=e;load(e_.curFen,ec,!0,!0)}return es={WHITE:x,BLACK:p,PAWN:m,KNIGHT:b,BISHOP:h,ROOK:_,QUEEN:v,KING:g,FLAGS:J,load:load,reset:reset,moves:function(e){var n,t,o,a=[],r=moveToSan;if(e){e.verbose&&(r=beautifyMove);e.type&&(t=e.type|e.type<<24);o=e.noDrop}generateMoves(t,o);for(n=0;n<d;++n)a.push(r(f[n]));return a},inCheck:inCheck,inCheckmate:inCheckmate,inStalemate:inStalemate,isBughouseWin:isBughouseWin,in50MoveRule:function(){return em>=100},inDraw:function(){return em>=100||inStalemate()||insufficientMaterial()||inThreefoldRepetition()||!!isBughouseDraw()},insufficientMaterial:insufficientMaterial,inThreefoldRepetition:inThreefoldRepetition,isVariantWin:isVariantWin,gameOver:function(){return es.inDraw()||inCheckmate()||!!isVariantWin()||!!isBughouseWin()},isPositionValid:function(e){var n,t,o,a=0;e=e||{};if(!1!==e.pawns){n=0;for(;n<=119;){o=ef[n];if(o&m)return!1;8==++n&&(n=112)}}if(!1!==e.kings){for(n=0;n<=119;++n){136&n&&(n+=8);o=ef[n];if(o&g){if(++a>2||t&&t&o)return!1;t=o&y}}if(2!==a)return!1}return!(!1!==e.check&&!(!1===e.kings&&eu[swapColor(el)]===l)&&kingAttacked(swapColor(el)))},validateFen:validateFen,fen:generateFen,pgn:function(e){return(e=e||{}).useResultHeader||eg||(isVariantWin()||inCheckmate()?ey.Result=el===p?"1-0":"0-1":es.inStalemate()?ey.Result="1/2-1/2":isBughouseWin()&&(ey.Result=es.siblingGame.turn()===x?"1-0":"0-1")),ea(e,ey,ev,eh,ec,es)},loadPgn:function(e,n,t){var o,a,r,i,s,f,c,d,u={},l=0;if("number"!=typeof n){t=t||n;n=0}t=t||{};if("string"==typeof e){t.singleGame&&(e=e.replace(/(?:\r?\n\s*){2,}/g,"\n"));e=es.tokenizePgn(e,t)}t.recordErrorInfo&&(d=function(e,o){var a={reason:e,token:o,lineStart:r._lineStart,colStart:r._colStart,lineEnd:r._lineEnd,colEnd:r._colEnd,pgnIndex:n};return t.errors||(t.errors=[]),t.errors.push(a),!1});n<0&&(n=e.length+n);i=e[n];if(!i)return!1;reset();a=i.length;for(o=0;o<a;++o){r=i[o];if("tagName"!==r.type)break;if(!i[o+1]||"tagValue"!==i[o+1].type)return!1;++o;"FEN"===r.value?c=completeFen(i[o].value):u[r.value]=i[o].value}t.variant&&(u.Variant=t.variant);u.Variant&&!c&&(c=N);if(c||"1"===u.SetUp){if("0"===u.SetUp)u.FEN=c;else if(!c||!load(c,u.Variant))return!1}es.header(u);f=(s=es)._history();for(;o<a;++o){r=i[o];if("san"===r.type&&0===l){if(!s.move(r.value)&&("Z0"!==r.value&&"<>"!==r.value||t.rejectNullMoves||!s.move("--"))){d&&d("Invalid SAN move",r.value);if(t.commentErrors)f.length?f[f.length-1].comment=((f[f.length-1].comment||"")+" "+r.value).trim():f.initComment=((f.initComment||"")+" "+r.value).trim();else if(t.skipBadLines&&(0!==eg||e_.length&&t.allowBadMainLine))l=1;else{reset();return!1}}}else if("result"===r.type&&"*"===ey.Result)setHeader(["Result",r.value]);else if("a"===r.type&&0===l&&f[f.length-1])f[f.length-1].annotation=r.value;else if(("nag"===r.type||"aa"===r.type)&&0===l&&f[f.length-1]){f[f.length-1].additionalAnnotation||(f[f.length-1].additionalAnnotation=[]);-1===f[f.length-1].additionalAnnotation.indexOf(r.value)&&f[f.length-1].additionalAnnotation.push(r.value)}else if("comment"===r.type&&0===l){if(f.length){r.value&&(f[f.length-1].comment=r.value);if(r.commands){f[f.length-1].commands=r.commands;r.commands.clk?f[f.length-1].time=timestampToTime(r.commands.clk):r.commands.emt&&(r.commands.timestamp=String(timestampToTime(r.commands.emt)))}}else{f.initComment=String(r.value);r.commands&&(f.commands=r.commands)}}else if("variationStart"===r.type){if(l>0)++l;else if(!createVariation()){reset();return!!d&&d("Invalid variation start","(")}f=s._history()}else if("variationEnd"===r.type){l>0&&--l;if(0===l){selectLine(f.parentId);f=s._history()}}else if("number"===r.type){s=/b/i.test(r.value.slice(-1))?es.siblingGame:es;if(!s)return!!d&&d("Invalid Bughouse move number",r.value);f=s._history()}else"cont"===r.type&&eg&&!f.length&&s.move(s._lines()[f.parentId][f.atMoveNode].san)}return!0},header:function(e){return Array.isArray(e)?setHeader(e):("object"==typeof e&&Object.keys(e).forEach(function(n){setHeader([n,e[n]])}),ey)},turn:function(e){return(e===x||e===p)&&(el=e),el},move:function playMove(e){var n,t,o,a,r,i,c,u,l,p,b,h,_;if("string"==typeof e){a=e.length-1;switch(e[a]){case"+":case"#":e=e.substr(0,a)}l=L.indexOf(e[0])>6?R[e[0]]:"O"===e[0]?g:m;if(eA){if(-1===e.indexOf("@"))p=!0;else{p=!1;l<<=24}}generateMoves(l,p);for(a=0;a<d;++a){i=moveToSan(f[a],!0);if(e===i){t=f[a];break}}if(t){c=t>>M&B;u=t>>O&B;o=t>>I}else{if("--"===e)return makeNullMove();if(e=es.fixMove(e))try{return playMove(e)}catch(e){}return null}}else{if(e.drop){switch(e.drop){case"p":o=0;break;case"n":o=1;break;case"b":o=2;break;case"r":o=3;break;case"q":o=4;break;default:return null}l=1<<26+o}else{if(e.promotion)switch(e.promotion){case"q":o=4;break;case"n":o=1;break;case"r":o=3;break;case"b":o=2;break;default:return null}c=s[e.from];p=!0;l=ef[c]&k}n=((o?o<<I:0)|(u=s[e.to])<<O)>>M|c;generateMoves(l,p);for(a=0;a<d;++a)if(f[a]>>M===n){t=f[a];break}if(!t)return(e=es.fixMove(e))?playMove(e):null}return _=t&J.DROP_OR_PROMOTE?Z[o]+el:ef[c],r=beautifyMove(t,i,!0),b=inCheckAfterMove(_,c,u,t),eC(t,c,u,o),b&&(ec&&isVariantWin()||0===generateMoves()?r.san+="#":r.san+="+"),(h=e_[e_.length-1]).san=r.san,r.piece&S&&(h.promoted=!0),el===x&&++eb,r},undo:function(e){var n=e_.pop();return 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0!==a[r].comment&&(t.comment=a[r].comment);void 0!==a[r].time&&(t.time=a[r].time);void 0!==a[r].annotation&&(t.annotation=a[r].annotation);void 0!==a[r].additionalAnnotation&&(t.additionalAnnotation=a[r].additionalAnnotation);void 0!==a[r].commands&&(t.commands=a[r].commands);void 0!==a[r].captured&&(t.captured=a[r].captured);void 0!==a[r].promoted&&(t.promoted=a[r].promoted);void 0!==a[r].lines&&(t.lines=a[r].lines);void 0!==a[r].bughouseOrder&&(t.bughouseOrder=a[r].bughouseOrder);L.indexOf(a[r].san[0])>6?t.piece=R[a[r].san[0]]:"O"===a[r].san[0]?t.piece=g:t.piece=m;t.piece|=t.color;o.unshift(t)}else o.unshift(a[r].san)}return o},hashes:function(){for(var e=[],n=e_,t=n.length;;){if(-1==--t){if(n.id){t=n.atMoveNode;n=ev[n.parentId];continue}n.hash||getCurrentHash();e.unshift(n.hash);break}e.unshift(n[t].hash)}return e},moveCount:function(){return e_.length},startingMoveNumber:function(){return eh},completeFen:completeFen,createVariation:createVariation,selectLine:selectLine,hash:function(){var e=getCurrentHash();return ec!==r.Bughouse||es.isDependent?e:[e,es.siblingGame.hash()]},hashing:function(e){ed=e;ec!==r.Bughouse||es.isDependent||es.siblingGame.hashing(ed)},hand:function(){if(eA)return handToString(es._hand[x],!0)+handToString(es._hand[p])},checks:function(){if(ec===r["3-check"])return[ek[x],ek[p]]},threats:function(){var e,n,a,r,i,s,u,x=el,p=swapColor(x),m=[],b=[],h=[],_=[],v=[],g=ep;calculateLegalMoveInfo(0,eu[x]);if(t||o)for(e=0;e<120;++e){136&e&&(e+=8);ef[e+8]&E&&ef[e]?h.push(algebraic(e)):ef[e+8]&w&&m.push(algebraic(e))}el=p;ep=l;generateMoves();for(e=d;e--;){i=(n=f[e])>>O&B;s=n>>M&B;if(n&J.DROP_OR_PROMOTE){r=Z[u=n>>I]|p;if(n&J.PROMOTION&&u%3!=1)continue}else{r=ef[s];u=0}if(inCheckAfterMove(r,s,i,n)){eC(n,s,i,u);c=e;(ec&&isVariantWin()||generateMoves()===e)&&b.push((n&J.DROP?H[r].toLowerCase()+"@":algebraic(s))+algebraic(i));reverseMove(e_.pop());if(n&J.CAPTURE){a=0;for(e=d;e>c;)if((f[--e]>>O&B)===i){a=1;e=c;break}if(!a){_.push(algebraic(s)+algebraic(i));continue}}}n&J.CAPTURE&&1!==u&&(a=124&ef[i])&&(attacked(x,i)?a>(r=ef[s]&k)&&a-r!=8&&v.push(algebraic(s)+algebraic(i)):_.push(algebraic(s)+algebraic(i)))}return c=0,el=x,ep=g,{pins:m,checkers:h,mates:b,undefended:_,underdefended:v}},tokenizePgn:er,fixMove:function(e){var n,t,o;if("string"==typeof e){if(/0|[?!+#]$|[18][QNRB]$|^P/i.test(e))return 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t=[];if(n.engines){n.engines.multiThreaded&&e.supportsMultithreading()&&e.supportsSIMD()&&t.push(n.engines.multiThreaded);n.engines.multiThreadedNoSIMD&&e.supportsMultithreading()&&t.push(n.engines.multiThreadedNoSIMD);n.engines.singleThreaded&&t.push(n.engines.singleThreaded);n.engines.asm&&t.push({loader:n.engines.asm})}return(n.enginePath||n.pathToEngineWorker)&&t.push({loader:n.enginePath||n.pathToEngineWorker,engine:n.pathToWasmEngine}),(n.fallbackPath||n.pathToNonWasmEngine)&&t.push({loader:n.fallbackPath||n.pathToNonWasmEngine}),t}function createWorker(e,n){return n.availableEngines=getAvailableEngines(e),createWebWorker(n.availableEngines[0],e,n)}function parseSearchLine(e){for(var n,t,o=e.split(" "),a=o.length,r="info"===o[0]?1:0,s={mtype:o[0]};r<a;++r){t=o[r];if(t){n=i[t];if(1===n){for(;!o[++r]&&r<a;);s[t]=Number(o[r])}else if(2===n)s[t]=!0;else 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t;if(_[e]){for(t=_[e].length-1;t>=0;--t)if(_[e][t].func===n){_[e][t].removed=!0;_[e].splice(t,1);return}}};l.emit=function(e,n){var t,o,a,r,i;if(_[e]){r=(a=_[e].slice(0)).length;for(t=0;t<r;++t){o=a[t].func;i=a[t].removed;a[t].once&&l.off(e,o);i||o(n)}}};t.forEach(function oneach(e){l[e]=function makeSCmd(n,t){l.send(e,n,t)}});o.forEach(function oneach(e){l[e.cmd]=function makeCCmd(n,t,o){var i=[e.cmd];u&&n.fen&&(n.fen=convertStockfishVariantFen(n.fen));e.args.forEach(function oneach(e){if(n[e]||0===n[e]){if(a.indexOf(e)>-1){if(!n[e]||!n[e].length)return;Array.isArray(n[e])&&(n[e]=n[e].join(" "))}i.push(e);-1===r.indexOf(e)&&i.push(n[e])}});l.send(i.join(" "),t,o)}});l.setoption=function(e,n){l.send("setoption name "+e+" value "+n)};l.setVariant=function(e){var n;if(e!==u){n=String(e).toLowerCase().replace(/ |-/g,"");if(e&&"chess"!==n){if("chess960"===n){l.setoption("UCI_Variant","chess");l.setoption("UCI_Chess960","true")}else{"threecheck"===n&&(n="3check");l.setoption("UCI_Variant",n);l.setoption("UCI_Chess960","false")}}else{n=void 0;l.setoption("UCI_Variant","chess");l.setoption("UCI_Chess960","false")}u=n}};l.loadBook=function(e,t){l.pathToBook=e;n.loadBook(e,function onload(e,n){if(e){console.error("Error loading opening book.");console.error(e);l.pathToBook=null;l.bookLoaded=!1}else{l.book=n;l.rawBook=n.json;l.bookLoaded=!0}t()})};l.getBookMove=function(n){var t=e.createGame(n),o=l.book.pick({fen:t.fen(),type:void 0!==n.bookPick?n.bookPick:"random",chess960:"Chess960"===t.header().Variant}),a=o&&t.move(o);if(a)return{moveSan:a.san,moveLan:o,move:{from:a.from,to:a.to,promotion:a.promotion||null},baseTurn:1===t.turn()?"b":"w",pv:[{moveSan:a.san,moveLan:o}],depth:null,score:null,mateIn:null,isBookMove:!0}};function getCEE(n,t){var o=n.loader,a=b[o]=b[o]||[],r=h[o]=h[o]||[];return n.maxEngines&&(t%=n.maxEngines),a[t]&&void 0!==a[t].ready||(a[t]=e({enginePath:o,pathToWasmEngine:n.engine,ceeMode:!0})),clearTimeout(r[t]),r[t]=setTimeout(function(){try{a[t].quit()}catch(e){}a[t]=null},n.killDelay||1e4),a[t]}function classifyStream(t,o,a,r,i,s){var f,c=[],d=[],u=o.minDepth||14,x=[],p=[];function getClassification(i,s,c){var d={cp:s[i].cp,mateIn:s[i].mateIn,pv:s[i].pv.slice(1)},u=getCEE(o,i),m={moveLan:s[i].pv[0]},b=o.book||l.rawBook;function streamCEEData(e){x[i]=!1;if(!f&&l.ready){e.mtype="classification";e.depth=c;e.multipv=i+1;t(e);p[i]&&getClassification(i,p[i].evals,p[i].depth)}}if(x[i]){p[i]={evals:s,depth:c};return}b&&(m.isBook=!!b[n.to64BitHex(e.createGame({fen:a,moves:m.moveLan,variant:r}).hash())]);x[i]=!0;p[i]=null;u.fetch({action:"analysis",variant:r,startFen:a,moves:[m],evals:[s,[d]],options:{WhiteElo:o.whiteElo,BlackElo:o.blackElo,ScoreWhiteToMove:!0}},function onDone(e){streamCEEData(e.positions[1])},function onError(e){e||(e={});e.err=!0;streamCEEData(e);u.quit()})}return function stream(e){var n;if("bestmove"===e.mtype)f=!0;else if(e.depth>=u){n=e.multipv-1;if("info"===e.mtype&&e.pv&&e.multipv>0&&(e.pv.length>1||1===e.mate)&&d[n]!==e.depth){c[n]=e;d[n]=e.depth;if(n<=1&&d[0]===d[1]){getClassification(0,c,e.depth);s||getClassification(1,c,e.depth)}else(i||d[0]===d[1])&&getClassification(n,c,e.depth)}}s&&e.multipv&&(1!==e.multipv||!t)||t(e)}}function bestMoveSearch(){var n,t,o,a,r,i=1,s=[],f=[],c=null,u=p[0].args,x=p[0].cb,m=p[0].stream,b=1,h=[],_=14,v=loadEngine._previousCP;p[0].started=!0;loadEngine._previousCP=null;function convertpv(e){var n=[],t=f[e]||createSanPv(s[e]);return s[e].forEach(function oneach(e,o){n.push({moveSan:t[o],moveLan:e})}),n}function getpv(e,n,t,o){var a;for(a=s.length-1;a>=0;a-=1)if(s[a][0]===e)return convertpv(a);return t?[{moveSan:n,moveLan:e},{moveSan:o,moveLan:t}]:n?[{moveSan:n,moveLan:e}]:[]}function normalize(e){var n=.03*Math.pow(32,e.depth/_);e.cp=v+(e.cp-v)*n}function convertScore(e){if(0===e.mate){e.mateIn=0;e.cp=-31800*b}else{e.mateIn=Number(e.mate*b)||null;if("number"!=typeof e.mateIn||isNaN(e.mateIn)||"number"==typeof e.cp){e.cp*=b;9===Math.abs(e.cp)&&(e.cp=0);u.normalize&&e.depth<=_&&"number"==typeof v&&1===e.multipv&&normalize(e)}else e.cp=31800*b*(e.mate/Math.abs(e.mate))}e.score=e.cp/100}function returnBestMove(e){var t=parseSearchLine(e);addBestMoveProps(t);i>_&&n<5e3&&n>-5e3&&(loadEngine._previousCP=n);t.pv=getpv(t.moveLan,t.moveSan);1===t.pv.length&&t.ponder&&(t.pv=getpv(t.moveLan,t.moveSan,t.ponder,t.ponderSan));if(h.length>1){h.splice(h.indexOf(t.moveLan),1);u.searchmoves=h;u.getNextBest=0;queueBestMoveSearch(u,function done(){x(t)},function streamer(e){if(m){e.multipv=2;m(e)}})}else if(x)try{x(t)}catch(e){console.error(e)}p.shift();clearTimeout(d);p.length>0&&bestMoveSearch()}function addBestMoveProps(r){var s;r.baseTurn=o;void 0===n&&(a.inCheckmate()?streamInfo("info depth 0 score mate 0"):a.inStalemate()&&streamInfo("info depth 0 score cp 0"));r.cp=n;r.score=n/100;r.mate=t;r.mateIn=c;r.depth=i;r.moveLan=r.bestmove;if(r.moveLan){r.move=e.uciToObj(r.moveLan)[0];s=a.move(r.move);if(s){r.moveSan=r.bestmoveSan=s.san;if(r.ponder){s=a.move(e.uciToObj(r.ponder)[0]);if(s){r.ponderSan=s.san;a.undo(!0)}}a.undo(!0)}}}function createSanPv(n){var t,o,r=n.length,i=[];for(t=0;t<r;++t){o=a.move(e.uciToObj(n[t])[0]);if(!o)break;i.push(o.san)}for(;t>0;--t)a.undo(!0);return i}function streamInfo(e){var a=parseSearchLine(e);if(a.score){a.baseTurn=o;convertScore(a);!a.multipv&&a.depth&&(a.multipv=1);if(1===a.multipv||0===a.depth){n=a.cp;t=a.mate;c=a.mateIn}}a.pv&&m&&(a.pvSan=createSanPv(a.pv));if(a.pv&&!(a.lowerbound||a.upperbound)){s.push(a.pv);m&&f.push(a.pvSan)}a.depth>i?i=a.depth:"bestmove"===a.mtype&&addBestMoveProps(a);m&&!(0===a.mateIn&&a.pv)&&m(a);createTimeout()}function createTimeout(){if(u.timeout){clearTimeout(d);p[0].timer=d=setTimeout(function(){l.stop();if(x){x();x=void 0}},u.timeout)}}if(u.difficulty>=0&&u.difficulty<20){l.setoption("Skill Level",u.difficulty);u.maximumError>=0&&u.maximumError<=4999&&l.setoption("Skill Level Maximum Error",u.maximumError);u.errorProbability>=1&&u.errorProbability<=128&&l.setoption("Skill Level Probability",u.errorProbability)}else l.setoption("Skill Level",20);void 0!==u.contempt?l.setoption("Contempt",u.contempt):l.setoption("Contempt","0");u.multiPv>1?l.setoption("MultiPV",u.multiPv):l.setoption("MultiPV",1);if(!u.movetime&&(!u.wtime||!u.btime)&&!u.depth&&!u.infinite){u.btime=u.btime||72e3;u.wtime=u.wtime||72e3}if(!u.startpos&&u.fen||u.moves||u.variant){a=e.createGame({fen:u.fen?convertStandardVariantFen(u.fen):"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1",moves:u.moves,variant:u.variant,disableHashing:!0});if(a.turn()===a.WHITE)o="w";else{o="b";b=-1}}else{o="w";a=e.createGame({disableHashing:!0})}if(u.cee&&m){if(2>(Number(u.multiPv)||1)){r=!0;l.setoption("MultiPV",2)}m=classifyStream(m,u.cee,a.fen(),u.variant,1===a.moves().length,r)}l.setVariant(u.variant);l.position(u);l.go(u,returnBestMove,streamInfo);u.getNextBest&&x&&a.moves({verbose:!0}).forEach(function toLan(n){n=e.normalizeMoveObj(n);h.push(n.from+n.to+(n.promotion||""))});createTimeout()}function queueBestMoveSearch(e,n,t){p.push({args:e,cb:n,stream:t});1===p.length&&l.ready&&bestMoveSearch()}l.getBestMove=function(e,n,t){var o;(e=e||{}).fen=e.fen||e.baseFen;e.is960&&(e.variant="Chess960");if(l.bookLoaded&&e.useBook){o=l.getBookMove(e);if(o)return setTimeout(function(){o.mtype="bestmove";n(o)},0)}queueBestMoveSearch(e,n,t)};l.stopAll=function(n){var t,o=x.length,a=0;function ondiscard(){0==(a-=1)&&n()}p=[];for(t=0;t<o;t+=1){e.log&&console.log("debug (stop_moves): "+t,getFirstWord(x[t].cmd));if("go"===getFirstWord(x[t].cmd)&&!x[t].discard){l.stop();x[t].discard=!0;if(n&&l.ready){a+=1;x[t].ondiscard=ondiscard}}}l.ready?n&&!a&&l.isready(n):setTimeout(n,0)};l.restartEngine=function(e){return l.stopAll(),l.quit(),x=[],p=[],l.bookLoaded&&!i.book&&((i=JSON.parse(JSON.stringify(i))).book=l.book),loadEngine(i,e)};l.stopFast=function(e,n){var t,o;if(l._isStopping)return l._stopQueue.push(e);o=function(e){l._stopQueue.forEach(function(n){n(e)});l._stopQueue=null;l._isStopping=!1};l._isStopping=!0;l._stopQueue=[e];l.stopAll(function(){clearTimeout(t);o(l)});t=setTimeout(function(){l.restartEngine(o)},Math.max(+n||5e3,50))};function startUp(){l.uci(function onstart(){i.settings&&Object.keys(i.settings).forEach(function oneach(e){l.setoption(e,i.settings[e])});l.ready=!0;p.length&&bestMoveSearch();cbIfReady()})}function cbIfReady(){l.ready&&(l.bookLoaded||!l.pathToBook)&&f&&f(l)}if("undefined"==typeof Worker)return!1;if(i.ceeMode){addCeeInterface(l,i);l.ceeVersion=function(){return JSON.parse(JSON.stringify(m))}}(c=createWorker(i,l)).onmessage=onmessage;if(i.book){l.book=i.book;l.bookLoaded=!0;l.pathToBook=i.pathToBook}return l.getFenFromMoves=e.getFenFromMoves,l.getLegalMoves=e.getLegalMoves,l.getPositionInfo=e.getPositionInfo,l.isFenValid=e.isFenValid,l.ready=!1,startUp(),!l.book&&i.pathToBook&&l.loadBook(i.pathToBook,cbIfReady),l}function addCeeInterface(n,t){var o,a,r=1e3,i=0;function createInterruptHook(e){function interruptHook(e){var n=interruptHook.callbacks;interruptHook.callbacks={};interruptHook.original&&interruptHook.original(e);for(var t in n)n[t](e)}return interruptHook.callbacks={},interruptHook.original=e,interruptHook}t.onError=o=createInterruptHook(t.onError);t.onSignal=a=createInterruptHook(t.onSignal);function analyze(t,s,f,c){var d,u=Date.now(),l=!1,x=++i;function cleanup(){clearTimeout(d);delete o.callbacks[x];delete a.callbacks[x];l=!0}function handleError(e){if(!l){cleanup();c({data:e,action:s,uci:t},t)}}function onProcessCrash(n){handleError({msg:"CEE process crashed unexpectedly",code:e.ERROR_CODES.CRASH,exitCode:n,err:Error("CEE process exited with "+n)})}o.callbacks[x]=onProcessCrash;a.callbacks[x]=onProcessCrash;d=setTimeout(function(){handleError({msg:"CEE timed out",code:e.ERROR_CODES.TIMEOUT,timeout:r,duration:Date.now()-u,err:Error("CEE timed out")})},r);for(var p=0;p<t.length;++p)n.send(t[p]);n.send("fetch "+s,function onFetchDone(e){if(!l){cleanup();f(e,t)}},function onFetchStream(t){t.indexOf("info string CEEError")>=0?handleError({msg:"CEE crashed with error code",code:e.ERROR_CODES.ERROR,log:t.match(/info string CEEError\s*(.*)/)[1],err:Error(t.match(/info string CEEError\s*(.*)/)[1])}):n.ceeDebug&&t.indexOf("not recognized")>=0&&handleError({msg:"CEE received unknown UCI option (engine.ceeDebug mode on)",option:t,code:e.ERROR_CODES.NONFATAL_ERROR,err:Error(t)})})}n.fetch=function(t,o,a){var r,i;r=(t=t||[]).action||"analysis";if(Array.isArray(t))i=t;else{i=t.uciCommands?t.uciCommands.map(function(e){return e}):[];if(t.startFen){t.options=t.options||{};void 0===t.options.ScoreWhiteToMove&&(t.options.ScoreWhiteToMove=!0);void 0===t.options.SerializeLikeCEAC&&(t.options.SerializeLikeCEAC=!0);e.CEE_LIB.addOptions(i,t.options);e.CEE_LIB.addVariant(i,t.variant);e.CEE_LIB.addPosition(i,t.startFen)}e.CEE_LIB.addVariations(i,t.evals&&t.evals[0]);e.CEE_LIB.addVariations(i,t.threats&&t.threats[0],"threat-variation");(t.moves||[]).forEach(function(n,o){var a=o+1;e.CEE_LIB.addPush(i,n);e.CEE_LIB.addClock(i,t.clocks&&t.clocks[o]);e.CEE_LIB.addVariations(i,t.evals&&t.evals[a]);e.CEE_LIB.addVariations(i,t.threats&&t.threats[a],"threat-variation")})}if(n.ready)analyze(i,r,o,a);else{n.once("quit",a);n.isready(function onReady(){n.off("quit",a);analyze(i,r,o,a)})}};n.fetch.setTimeout=function(e){r=e};e.ERROR_CODES={TIMEOUT:1,CRASH:2,ERROR:3,NONFATAL_ERROR:4}}return loadEngine},o=function(){var e,o=t(),a="rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1",r=252,i={4:"p",5:"P",6:"p",8:"n",9:"N",10:"n",16:"b",17:"B",18:"b",32:"r",33:"R",34:"r",64:"q",65:"Q",66:"q",128:"k",129:"K",130:"k"},s=512,f="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!?{~}(^)[_]@#$,./&-*++=",c="qnrbkp";function decodeTCN(e){var n,t,o,a,r=e.length,i=[];for(n=0;n<r;n+=2){a={};t=f.indexOf(e[n]);o=f.indexOf(e[n+1]);if(o>63){a.promotion=c[Math.floor((o-64)/3)];o=t+(t<16?-8:8)+(o-1)%3-1}t>75?a.drop=c[t-79]:a.from=f[t%8]+(Math.floor(t/8)+1);a.to=f[o%8]+(Math.floor(o/8)+1);i.push(a)}return i}function encodeTCN(e){var n,t,o,a,r="";Array.isArray(e)||(e=[e]);t=e.length;for(n=0;n<t;n+=1){o=e[n].drop?79+c.indexOf(e[n].drop):f.indexOf(e[n].from[0])+(e[n].from[1]-1)*8;a=f.indexOf(e[n].to[0])+(e[n].to[1]-1)*8;e[n].promotion&&(a=3*c.indexOf(e[n].promotion)+64+(a<o?9+a-o:a-o-7));r+=f[o]+f[a]}return r}function uciToObj(e){var n,t,o=e.split(" "),a=o.length,r=[];if(e)for(n=0;n<a;++n)4===(t=o[n]).length?"@"===t[1]?r.push({drop:t[0].toLowerCase(),to:t.substr(2,2)}):r.push({from:t.substr(0,2),to:t.substr(2,2)}):r.push({from:t.substr(0,2),to:t.substr(2,2),promotion:t[4]});return r}function isSameMove(e,n){return e.san===n.san||e.to===n.to&&(e.from===n.from||!e.from&&!n.from)&&(e.promotion===n.promotion||!e.promotion&&!n.promotion)&&(e.drop===n.drop||!e.drop&&!n.drop)}function getPremoves(e,n,o){var a,r,i,s,f,c,d,u,l,x,p=[],m=1,b=8,h=1,_=8,v={verbose:!0};l=3-(x=e.turn());(s=t("/",n)).turn(l);if(o){m=b=+o[1];h=_=o.charCodeAt(0)-96}for(a=m;a<=b;++a)for(r=h;r<=_;++r){f=String.fromCharCode(r+96)+a;i=e.get(f);if(i&&i.color===l){s.put(i,f,!0);if("p"===i.type){c=String.fromCharCode(r-1+96)+(a+(1===l?1:-1));d=String.fromCharCode(r+1+96)+(a+(1===l?1:-1));s.put({type:"n",color:x},c,!0);s.put({type:"n",color:x},d,!0)}else"k"===i.type&&"-"!==(u=e.fen().split(" ")[2])&&s.load(s.fen().replace(/^(\S+\s\S\s)(\S+)/,"$1"+u),n,!0,!0);p=p.concat(s.moves(v));s.remove(f,!0);if("p"===i.type){s.remove(c,!0);s.remove(d,!0)}}}if(n&&e.hand()){s._hand[l]=18721;p=p.concat(s.moves({verbose:!0}).filter(function(e){return!o||e.to===o}))}return p.forEach(function(e){normalizeMoveObj(e)}),p}function makePremove(e,n){var t,a,r,i,s,f=e.header().Variant,c=getPremoves(e,f,n.from),d=3-e.turn();for(t=c.length-1;t>=0;--t){a=c[t];if(isSameMove(a,n)){r=!0;break}}if(r){if(a.drop)e.put({type:a.drop,color:d},a.to);else{i=e.remove(a.from,!0);if(a.flags===o.FLAGS.KSIDE_CASTLE){s=e.remove("Chess960"===f?a.to:"h"+a.from[1],!0);e.put(i,"g"+a.from[1],!0);e.put(s,"f"+a.from[1])}else if(a.flags===o.FLAGS.QSIDE_CASTLE){s=e.remove("Chess960"===f?a.to:"a"+a.from[1],!0);e.put(i,"c"+a.from[1],!0);e.put(s,"d"+a.from[1])}else{if(a.promotion){i.type=a.promotion;i.promoted=!0}s=e.get(a.to);e.put(i,a.to,"k"!==i.type&&"r"!==i.type&&(!s||s.color!==d||"r"!==s.type))}}return a}if(n.from){e.turn(d);n=e.fixMove(n);e.turn(3-d);if(n)return makePremove(e,{san:n,from:n.from})}}function getPieces(e,n){var t,o,a,c=n?{}:[],d=e._board();if(n)for(t=112;t>=0;++t){136&t&&(t-=24);(o=d[t])&&(c[a=f[7&t]+(8-(t>>4))]={type:i[o&r],color:3&o,promoted:(o&s)!=0,square:a})}else for(t=112;t>=0;++t){136&t&&(t-=24);(o=d[t])&&c.push({type:i[o&r],color:3&o,promoted:(o&s)!=0,rank:8-(t>>4),file:(7&t)+1})}return c}function predict(e,n){var t=Math.min(Math.max(.20773843*Math.atan(2.49085889*e/100-2.47841945*n/100)+.02262979*e/100-.02256839*n/100+.52239679,0),1),o=Math.min(Math.max(-.20720905*Math.atan(2.49626837*e/100-2.48220286*n/100)+-.02352551*e/100+.02172627*n/100+.49443923,0),1),a=Math.min(Math.max(Math.exp(.037043456*e/100+.178106427*n/100+-8.069742932)+.004823544*Math.exp(-1.364136591*Math.pow(e/100-n/100,2))+-.001625539,0),1),r=t+o+a;return{w:t/r,b:o/r,d:a/r}}function getPositionDetails(e,n){var t,o,a,r;(e=e||{}).disableHashing=!0;t=createGame(e);if(!t)return null;if(n){a=t.move(n);if(!a)return null;t.extended||normalizeMoveObj(a)}return(r=t.fen(),e.skipValidation||t.isPositionValid(e))?(o=r.split(" "),{fen:r,pieces:getPieces(t),sideToMove:t.turn(),castling:o[2],epSquare:"-"===o[3]?null:o[3],halfMoves:+o[4],moveNumber:+o[5],move:a,hand:t.hand(),checks:t.checks()}):null}function gameFingerprints(e){var t,o,r,i,s,f,c,d,u,l=createGame(e),x=[""],p=[];if(!l)return!1;u=(d=l.header()).Variant||"";f=l.hashes();t="function"==typeof l.origHistory?l.origHistory(!0):l.history(!0);s=f.length;o=[f[0][0],f[0][1]];p.push(n.to64BitHex(o)+u);f[0]=n.to64BitHex(f[0]);for(r=1;r<s;++r){o[0]=(o[0]^f[r][0]*(r+58465))>>>0;o[1]=(o[1]^f[r][1]*(r+984))>>>0;f[r]=n.to64BitHex(f[r]);p.push(n.to64BitHex(o)+u);normalizeMoveObj(t[i=r-1]);c=(t[i].from?t[i].from:t[i].drop.toUpperCase()+"@")+t[i].to+(t[i].promotion||"");i&&(c=x[i]+" "+c);x.push(c)}return{startingFen:d.FEN||a,hashes:f,fingerprints:p,moves:x,variant:d.Variant}}function makeMoves(e,n,t,o){var a,r,i,s,f,c,d,u,l,x,p;t=t||{};"string"==typeof n&&(n=n.trim().split(" "));i=n.length;for(a=0;a<i;a+=1){f="b"===n[a].board||"B"===n[a].board?e.siblingGame:e;c="string"==typeof n[a].moveLan?uciToObj(n[a].moveLan)[0]:"string"==typeof n[a]?uciToObj(n[a])[0]:n[a].san?n[a].san:n[a];if(!f.move(c)){if(!t.rejectNullMoves&&/^(?:--|00|Z0|<>)+$/.test(c.to||n[a]))f.move("--");else if(t.autoPromote){!0===t.autoPromote?c.promotion="q":c.promotion=t.autoPromote;if(!f.move(c)){if(t.skipBadLines)break;return!1}}else{if(t.skipBadLines)break;return!1}}u=(d=f._history())[d.length-1];o&&(l=parseInt(o[a],10));("number"!=typeof l||isNaN(l))&&(l=parseInt(n[a].time,10));if("number"==typeof l&&!isNaN(l)){u.time=l;l=void 0}n[a].firstComment&&(d.initComment=n[a].firstComment);n[a].comment&&(u.comment=n[a].comment);n[a].annotation&&(u.annotation=n[a].annotation);n[a].additionalAnnotation&&(u.additionalAnnotation=n[a].additionalAnnotation);n[a].commands&&(u.commands=n[a].commands);if(n[a].lines){s=n[a].lines.length;for(r=0;r<s;++r){x=e._history().id;e.createVariation();p=makeMoves(e,n[a].lines[r],t);if(!p&&!t.skipBadLines)return!1;e.selectLine(x)}}}return!0}function playBughouseTCN(e,n,t){var o,a,r,i=[decodeTCN(n[0]),decodeTCN(n[1])],s=[0,0],f=[0,0],c=i[0].length+i[1].length,d=Math.max(0|t[0][0],0|t[0][1],0|t[1][0],0|t[1][1]),u=[0,0],l=[0,0];d+=600-d%600;o=[[d,d],[d,d]];for(;c--;){l[0]=u[0]+o[0][f[0]]-t[0][s[0]]||0;l[1]=u[1]+o[1][f[1]]-t[1][s[1]]||0;i[a=l[0]<=l[1]?0:1][s[a]]||(a^=1);r=a?e.siblingGame:e;if(!r.move(i[a][s[a]])||c&&r.inCheckmate()&&r.undo(!0)){a^=1;r=a?e.siblingGame:e;if(!r.move(i[a][s[a]]))return!1}r._history()[s[a]].time=t[a][s[a]];o[a][f[a]]=t[a][s[a]];u[a]=l[a];f[a]^=1;++s[a]}return!0}function extendChess(e){var n,r,i=-1,s=0;function descendsFromMove(e,n,t){for(var o,a=e[n];"number"==typeof(o=a.parentId);){if(o===t)return a.atMoveNode;a=e[o]}return!1}function swapMoveAttributes(e,n){var t={moveTime:e.moveTime,firstComment:e.firstComment,comment:e.comment,annotation:e.annotation,additionalAnnotation:e.additionalAnnotation,commands:e.commands};Object.keys(t).forEach(function(o){e[o]=n[o];n[o]=t[o]})}if(!e.extended){e.extended=!0;n={header:e.header,load:e.load,loadPgn:e.loadPgn,createVariation:e.createVariation,undo:e.undo,pgn:e.pgn};e._move=e.move;e.undo=function(){return e.siblingGame?e.deleteBughouseMove(e.curBughouseMove()):e.deletePosition(i,s)};e.getMove=function(t){return t&&("string"==typeof t||t.to&&(t.from||t.drop))&&e._move(t)&&normalizeMoveObj(n.undo())||null};e.premove=function(){var n,o=[];return{queue:o,move:function(a){var r;return(r=makePremove(n=n||t(e.fen(),e.header().Variant),a))&&!s&&i===e._history().length-1?(o.push(r),r):(o.length||(n=void 0),null)},consume:function(){var a,r,i,s=o.shift();if(s){a=e.move(s);if(a){n=void 0;r=o.length;if(r){n=t(e.fen(),e.header().Variant);for(i=0;i<r;++i)makePremove(n,o[i])}return a}e.premove.cancel()}},moves:function(t){return!s&&i===e._history().length-1&&getPremoves(n||e,e.header().Variant,t)},getPieces:function(t){return getPieces(n||e,t)},fen:function(){return(n||e).fen()},cancel:function(){o.length=0;n=void 0}}}();e.getPieces=function(n){return getPieces(e,n)};e.material=function(){var n,t,o,a=e.getPieces(),r={imbalance:0,white:{p:8,n:2,b:2,r:2,q:1,count:0},black:{p:8,n:2,b:2,r:2,q:1,count:0}},i={p:1,n:3,b:3,r:5,q:9,k:0};for(n=a.length-1;n>=0;--n){if(1===a[n].color){t=r.white;o=r.black}else{t=r.black;o=r.white}o[a[n].type]&&--o[a[n].type];t.count+=i[a[n].type]}return r.imbalance=r.white.count-r.black.count,r};e.origHistory=e.history;e.history=function(n,t){var o,a,r,i=[],s=e._history(),f=s.length,c=e._lines();"boolean"==typeof n&&(n={verbose:n});n=n||{};t&&(n.noParentLines=t);n.toCurrent&&(f=e.ids().move+1);for(;;){if(-1==--f){if(s.id&&!n.noParentLines){f=s.atMoveNode;s=c[s.parentId];continue}break}if(n.verbose){o={};for(a in s[f])if(s[f][a]&&"object"==typeof s[f][a]){o[a]=s[f][a].constructor===Array?[]:{};for(r in s[f][a])o[a][r]=s[f][a][r]}else o[a]=s[f][a];i.unshift(o)}else i.unshift(s[f].san)}return i};e._getPos=function(t,o,r){var f,c,d;return("number"!=typeof t&&(t=i),"number"!=typeof o&&(o=s),f=(c=e._lines())[o],t>=0)?f[t]:r?f:f.id?f.atMoveNode?c[f.parentId][f.atMoveNode-1]:e._getPos(f.atMoveNode-1,f.parentId):(d={fen:n.header().FEN||a,hash:f.hash,initial:!0,ids:{move:-1,line:0},moveNumber:-1},e.siblingGame&&(d.bughouseOrder=-1),d)};e.move=function(n,t){var o,a,r,f,c=e._history();if(n&&("string"==typeof n||n.to&&(n.from||n.drop))){if(s===c.id&&i<c.length-1||t){if(e.moveForward(t,n))return!0;if(i<c.length-1){e.selectPosition(i+1);e.createVariation();c=e._history()}}e.siblingGame&&(r=e.isDependent?e.siblingGame.fen():e.fen());o=e._move(n);if(o){normalizeMoveObj(o);s=c.id;i=c.length-1;a=c[i];f=e._getPos(i-1);if(e.siblingGame){a.fen=e.isDependent?e.siblingGame.fen():e.fen();a.beforeFen=r;a.siblingIds=e.siblingGame.ids()}else{a.fen=e.fen();a.beforeFen=f.fen}a.moveNumber=f.moveNumber+1;a.previous=f.ids;s&&0===i&&e._lines()[c.parentId][c.atMoveNode].move===a.move&&(a.isContinuation=!0);a.flags=o.flags;a.to=o.to;a.from=o.from;a.drop=o.drop;a.capturedStr=o.captured;a.promotion=o.promotion;a.piece=o.piece;o.promoted&&(a.promoted=!0);o.capturedPromotedPawn&&(a.capturedPromotedPawn=!0);a.ids={move:i,line:s}}}return o};e.moveDetails=function(n){n=n||e._history()[i];if(n){n.lines=n.lines||null;if(n.flags===o.FLAGS.KSIDE_CASTLE){n.rookFrom="Chess960"===e.header().Variant?n.to:"h"+n.to[1];n.rookTo="f"+n.to[1];n.kingTo="g"+n.to[1]}else if(n.flags===o.FLAGS.QSIDE_CASTLE){n.rookFrom="Chess960"===e.header().Variant?n.to:"a"+n.to[1];n.rookTo="d"+n.to[1];n.kingTo="c"+n.to[1]}else n.flags===o.FLAGS.EP_CAPTURE&&(n.epCapture=n.to[0]+n.from[1])}return n};e.header=e.headers=function(t){var o=n.header(t);return e.siblingGame&&extendChess(e.siblingGame),o};e.load=function(t,o,a,r){var f=n.load(t,o,a,r);e.siblingGame&&extendChess(e.siblingGame);if(f&&!a){i=-1;s=0}return f};e.removeEmptyLines=function(){var n,t,o=e._lines();for(n=o.length-1;n>0;--n)if(!o[n].length){o[n]=void 0;t=!0}t&&e.reorderLines()};e.loadPgn=function(t,o,a){var r=n.loadPgn(t,o,a),f=e._history();return e.removeEmptyLines(),i=f.length-1,(s=f.id)&&e.selectLine(0),r};e.ids=function(){return{move:i,line:s}};e.selectLine=function(n){e.selectPosition(null,n)};e.curBughouseMove=function(){return Math.max(e._getPos().bughouseOrder,e.siblingGame._getPos().bughouseOrder)};e.deleteBughouseMove=function(n){var t,o,a,r=e.curBughouseMove(),i=!1,s=e;if(n>=0){r>=n&&e.selectBughouseMove(n-1);for(;;){o=(t=s._history()).length;for(a=0;a<o;++a)if(t[a].bughouseOrder>=n){t.length=a;i=!0;break}if(s===e.siblingGame)break;s=e.siblingGame}}return i};e.selectBughouseMove=function(n){var t,o,a=e.isDependent?e.siblingGame:e,r=a;if(-1===n)return r.selectPosition(-1,0,!0),r.siblingGame.selectPosition(-1,0,!0),a.load(a.header().FEN,"Bughouse",!0,!0);for(;;){t=r._history();for(o=t.length-1;o>=0;--o)if(t[o].bughouseOrder===n){r.selectPosition(t[o].ids.move,0,!0);r.siblingGame.selectPosition(t[o].siblingIds.move,0,!0);return a.load(t[o].fen,"Bughouse",!0,!0)}if(r===a.siblingGame)return!1;r=a.siblingGame}};e.moveBackward=function(n){var t,o,a;if(e.siblingGame)return e.selectBughouseMove(e.curBughouseMove()-1);if(-1===i&&0===s)return!1;if(i>1||0===s)e.selectPosition(i-1);else{t=e._getPos();o=e._getPos(t.previous.move,t.previous.line);for(;o.isContinuation&&!n;){a=e._lines()[o.ids.line];o=e._getPos(a.atMoveNode,a.parentId)}e.selectPosition(o.ids.move,o.ids.line)}return!0};e.moveForward=function(n,t){var o,a,r,f,c,d,u=e._lines();if(e.siblingGame)return e.selectBughouseMove(e.curBughouseMove()+1);o=u[s][i+1];"string"==typeof t&&(t={san:t});if(!o||t&&!isSameMove(t,o)){if(t&&o&&o.lines){c=o.lines.length;for(f=0;f<c;++f){r=u[o.lines[f]][0];if(r&&isSameMove(t,r)){o=r;d=!0;break}}}if(!d&&n){a=u[s][i];if(a&&a.lines){c=a.lines.length;for(f=0;f<c;++f){r=u[a.lines[f]][0];if(r&&r.isContinuation){r=u[a.lines[f]][1];if(r&&(!t||isSameMove(t,r))){o=r;d=!0;break}}}}}if(!d){try{if(t&&t.san&&(t=e.fixMove(t.san))||t&&t.to&&t.from&&Math.abs(t.to.charCodeAt(0)-t.from.charCodeAt(0))>1&&(t=e.fixMove(t)))return e.moveForward(n,t)}catch(e){}return!1}}return e.selectPosition(o.ids.move,o.ids.line)};e.moveVariation=function(n,t){var o,a,r,i=e._lines(),s=i[n];if(s&&s.id){o=i[s.parentId][s.atMoveNode].lines;for(a=o.length-1;a>=0;--a)if(o[a]===n){r=a-(t?1:-1);if(o[r]){o[a]=o[r];o[r]=n;e.reorderLines();return!0}}}return!1};e.promoteVariation=function(n,t){for(var o,a,r,f,c,d,u=e._lines(),l=u[n];l&&l[0]&&l.id&&(-1!==t||l.parentId);){o=u[r=l.parentId];f=l.atMoveNode;l[0].lines=o[f].lines.concat(l[0].lines||[]);o[f].lines=void 0;d=o.length-f;a=o.splice(f,d);for(c=0;c<d;++c){a[c].ids.line=n;a[c].ids.move=c}a.id=n;a.parentId=r;a.atMoveNode=f;a.hash=l.hash;if(0===f){a.initComment=o.initComment;o.initComment=l.initComment}else l.initComment&&(o[f-1].comment=((o[f-1].comment||"")+" "+l.initComment).trim());u[n]=a;d=l.length;for(c=0;c<d;++c){l[c].ids.line=r;l[c].ids.move=c+f;o.push(l[c])}a[0].isContinuation=!!l[0].isContinuation;o[f].isContinuation=!f&&"number"==typeof o.parentId&&u[o.parentId][o.atMoveNode].move===o[0].move;d=o[f].lines.length;for(c=0;c<d;++c){u[o[f].lines[c]].atMoveNode=f;u[o[f].lines[c]][0]&&(u[o[f].lines[c]][0].isContinuation=u[o[f].lines[c]][0].move===o[f].move)}if(s===n){s=r;i+=f}else if(s===r&&i>=f){s=n;i-=f}if(1===t)break;l=u[n=r]}return void 0!==o&&(e._history(u[s]),e.reorderLines(),!i&&u[s][0].isContinuation&&e.selectPosition(u[s].atMoveNode,u[s].parentId),!0)};e.reorderLines=function(n,t){var o,a,i,f,c,d,u,l,x,p,m=e._lines(),b=!1;if(n)x=t.length-1;else{n=0;t=[m[0]];x=0;r=!1}i=(o=m[n]).length;for(a=0;a<i;++a){f=o[a];if(f.ids.line!==x){b=!0;f.ids.line=x}if(f.lines){c=f.lines.length;for(d=0;d<c;++d){l=m[u=f.lines[d]];if(l){l.atMoveNode=a;p=t.length;f.lines[d]=p;l.parentId=x;if(!r&&u===s){r=!0;s=p}t.push(l);b=e.reorderLines(u,t)||b}else{1===f.lines.length?delete f.lines:f.lines.splice(d,1);--d;--c}}}}return n||e.saveLines(t,!0),b};e.createVariation=function(){var t,o,a,r=e._history(),f=e._lines();return i===r.length-1?(t=n.createVariation(),i=(r=e._history()).length-1,s=r.id,t):-1!==i&&(o=[],a=r[i],o.parentId=r.id,o.id=f.length,a.lines||(a.lines=[]),a.lines.push(o.id),o.hash=e._getPos(i-1).hash,o.atMoveNode=i,f.push(o),e.selectPosition(-1,o.id))};e.selectLineEnd=function(n){return e.siblingGame?e.selectBughouseMove(e._history().length+e.siblingGame._history().length-1):("number"!=typeof n&&(n=s),(n!==s||i<e._history().length-1)&&e.selectPosition(null,n,!0))};e.selectLineStart=function(){var n,t;if(e.siblingGame)return e.selectBughouseMove(-1);if(!s)return -1!==i&&e.selectPosition(-1,0);if(i>1||1===i&&!e._getPos(0).isContinuation)n=e._history();else{t=e._getPos(-1);n=e._lines()[t.ids.line]}return e.selectPosition(n.id?n[1]&&n[0].isContinuation?1:0:-1,n.id)};e.selectPosition=function(t,o,a){var r=e._lines(),f=e._history();if("number"==typeof o&&(o!==s||a)){if(o<0||o>=r.length)return!1;f=r[o];if("number"!=typeof t)t=f.length-1;else if(t<-1||t>=f.length)return!1;s=o;e._history(f);a=!0}if("number"==typeof t&&(t!==i||a)){if(t<-1||t>=f.length)return!1;n.load(e._getPos(t).fen,n.header().Variant,!0,!0);i=t}return!0};e.resetToMainLine=function(){var n=e._lines();e.selectLineEnd(0);if(n.length>1){n.length=1;e.reorderLines()}};e.updateNode=function(n,t,o){var a,r,f=e._lines();o="number"==typeof o?o:s;t="number"==typeof t?t:i;a=f[o][t]||f[o];for(r in n)a[r]=n[r]};e.updateLineComment=function(n,t){e.updateNode({initComment:n},-1,t)};e.saveLines=function(n,t){var o,a,r,i=e._lines(),s=n.length;n!==i&&(i.length=0);for(a=0;a<s;++a){o=n[a];if(a&&"number"!=typeof o.parentId)return!1;n!==i&&i.push(o);o.id=a}e._history(e._history());if(!t){r=e.ids();e.selectPosition(-1,0,!0);e.selectPosition(r.move,r.line)}return!0};e.deletePosition=function(n,t){var o,a,r=e._lines();if(!r[t]||!r[t][n]&&(-1!==n||0===t))return!1;t&&(0===n?n=-1:1===n&&r[t][0].isContinuation&&(n=-1));a=s>0&&t!==s?!1!==(o=descendsFromMove(r,s,t))&&o>=n:t===s&&n<=i;if(a){if(n>1)e.selectPosition(n-1,t);else{e.selectPosition((r[t][0].isContinuation||1===n)&&r[t][1]?1:0,t);e.moveBackward()}}return n>0?r[t].length=n:t?r[t]=null:r[0].length=0,e.reorderLines(),e.ids()};e.mark=function(n,t,o,a){var r=e._getPos(o,a,!0),i=n.type,s=1;n.color&&("arrow"===i?e.mark({key:n.color+n.key,type:"cal"},t,o,a):"square"===i&&e.mark({key:n.color+n.key,type:"csl"},t,o,a));if("cal"!==i&&"csl"!==i){i="c_"+i;s=0}if(r.commands&&r.commands[i]){r.commands[i]=r.commands[i].split(",").filter(function rm(e){return e.slice(s).split(";")[0]!==n.key.slice(s)}).join(",");r.commands[i]||delete r.commands[i]}if(!t){r.commands||(r.commands={});r.commands[i]=(r.commands[i]?r.commands[i]+",":"")+n.key+(n.data?";"+n.data.join(";"):"")}};e.markings=function(n,t){var o,a,r,i,s,f,c,d,u={},l=e._getPos(n,t,!0),x={cal:"arrow",csl:"square"};for(a in l.commands){r=l.commands[a];if(x[a]){a=x[a];i=0}else{if("c_"!==a.substr(0,2))continue;a=a.slice(2);i=1}u[a]=u[a]||{};f=(s=r.split(",")).length;for(o=0;o<f;++o)if(i){d=(c=s[o].split(";")).shift();u[a][d]=u[a][d]||{type:a,key:d};u[a][d].data=c}else{d=s[o].slice(1);u[a][d]=u[a][d]||{type:a,key:d};u[a][d].color=s[o][0]}}return u};e.clearMarkings=function(n,t){var o,a=e._getPos(n,t,!0);for(o in a.commands)/^c[sa]l$|^c_/.test(o)&&delete a.commands[o]};e.pgn=function(t){var o,a=e.ids();return e.selectLineEnd(0),o=n.pgn(t),e.selectPosition(a.move,a.line),o};e.loadMoves=function(n,t){var o,a,r,f,c;t=t||{};"string"==typeof n&&(n=decodeTCN(n));if(n){t.atCurrent||e.selectPosition(-1,0);r=s;a=n.length;for(o=0;o<a;++o){f=e.move(n[o],!0);if(!f){n[o].promotion=!0===t.autoPromote?"q":t.autoPromote;f=e.move(n[o],!0);if(!f)return!1}if(s!==r&&"merge"!==t.method){e.promoteVariation(s,1);if("promote"!==t.method){e._history()[i].lines=void 0;e.reorderLines()}r=s}}if("promote"===t.method){if(a){if(e._history()[i+1]){f=e._history()[i];e.createVariation();e.move(f);swapMoveAttributes(e._history()[0],f);e.promoteVariation(s,1)}c=e._lines();for(o=c.length-1;o>=0;--o)if(1===c[o].length&&c[o][0].isContinuation){swapMoveAttributes(c[o][0],c[c[o].parentId][c[o].atMoveNode]);c[o].length=0}e.removeEmptyLines()}}else"merge"!==t.method&&e.deletePosition(i+1,s)}return!0}}}function createGame(e){var n,o;e=e||{};if(e.game)return e.game;n=t();e.analysis&&extendChess(n);e.disableHashing&&n.hashing(!1);if(e.pgn){if(!n.loadPgn(e.pgn,e.index,e.options)&&("detect"!==e.variant||!t.variants.some(function(t){return e.options=e.options||{},e.options.variant=t,n.loadPgn(e.pgn,e.index,e.options)})))return!1}else{if(e.headers){e.variant=e.headers.Variant||e.variant;e.fen||(e.fen=e.headers.FEN)}"detect"===e.variant&&e.fen&&(e.fen.indexOf("|")>-1?e.variant="Bughouse":9===e.fen.split("/").length?e.variant="Crazyhouse":e.fen.indexOf("+")>-1?e.variant="3-check":e.variant=void 0);if((e.fen||e.variant)&&!n.load(e.fen||a,e.variant))return!1;e.headers&&"object"==typeof e.headers&&!Array.isArray(e.headers)&&n.header(e.headers)}if(e.tcn){if("object"==typeof e.tcn){if(!playBughouseTCN(n,e.tcn,e.timestamps||[[],[]]))return!1}else o=decodeTCN(e.tcn)}else o=e.moves;return(!o||!!makeMoves(n,o,e,e.timestamps))&&n}function generatePgn(e){var n;return(e=e||{}).disableHashing=!0,!!(n=createGame(e))&&n.pgn(e)}function pgnToFen(e,n){var t,a,r=[];o.reset();if(!o.loadPgn(e))return!1;t=o.moveCount();if("number"==typeof n){n<0&&(n=t+n+1);for(a=t-1;a>=n&&a>=0;a-=1)o.undo();return o.fen()}for(a=0;a<=t;a+=1){r.unshift(o.fen());o.undo()}return r}function normalizeMoveObj(e){if(e){e.piece&s&&(e.promoted=!0);e.piece=i[e.piece&r];if(e.captured){e.captured&s&&(e.capturedPromotedPawn=!0);e.captured=i[255&e.captured]}e.promotion&&(e.promotion=i[e.promotion&r]);void 0!==e.drop&&(e.drop="pnbrq"[e.drop])}return e}function normalizeHistory(e){var n,t,o,a,r,i,s,f=e.history(!0,!0);if(e.siblingGame){n=e.siblingGame.history(!0,!0);o=f.length+n.length;t=[];for(a=0;a<o;++a){!f.length||n.length&&n[0].bughouseOrder<f[0].bughouseOrder?(r=n.shift()).board="b":(r=f.shift()).board="a";t.push(r)}f=t}o=f.length;for(a=0;a<o;++a){(i=f[a]).fen||normalizeMoveObj(i);if(i.lines)for(s=i.lines.length-1;s>=0;--s){e.selectLine(i.lines[s]);i.lines[s]=normalizeHistory(e).moves}}return{moves:f}}function pgnToJson(e,n,t){var a,r=[],i=o;if("number"!=typeof n){t=n;n=void 0}return a=i.tokenizePgn(e,t),n<0&&(n=a.length+n),!!a&&((t&&t.includeFen&&(i=createGame({analysis:!0})),a.forEach(function(e,o){void 0===n||o===n?i.loadPgn([e],0,t)?r.push({headers:i.header(),moves:normalizeHistory(i).moves}):r.push(!1):r.push(void 0)}),"number"==typeof n)?r[n]:r)}function sanToObj(e,n,t){return o.reset(),!!o.load(n,t)&&normalizeMoveObj(o.move(e))}function shortenFen(e,n){return o.completeFen(e).split(" ").slice(0,n||4).join(" ")}function getFenFromMoves(e,n,t,a){return o.reset(),o.load(e,t),(!n||!!makeMoves(o,n,a))&&o.fen()}function getLegalMoves(e,n){var t,a,r,i;if("string"==typeof e){(a=o).reset();if(!a.load(e,n))return null}else a=createGame(e);i=(t=a.moves({verbose:!0})).length;for(r=0;r<i;++r)normalizeMoveObj(t[r]);return t}function getPositionInfo(e,n,t){var a,r,i={gameOver:!1,check:!1,checkmate:!1,draw:!1,stalemate:!1,threefold:!1,insufficient:!1};if(!Array.isArray(n)){t=n;n=null}if("boolean"==typeof t){a=t;t={}}else a=(t=t||{}).variant;if("string"==typeof e){(r=o).reset();if(0!==r.validateFen(e,a)||!r.load(e,a))return!1}else r=createGame(e);if(n&&!makeMoves(r,n,t))return!1;t.getLegalMoves&&(i.legalMoves=getLegalMoves({game:r}));if(r.inCheck()){i.check=!0;i.checkmate=r.inCheckmate()}else i.stalemate=r.inStalemate();i.threefold=r.inThreefoldRepetition();i.insufficient=r.insufficientMaterial(t.color);i.fiftyMoveRule=r.in50MoveRule();i.draw=i.stalemate||i.threefold||i.insufficient||i.fiftyMoveRule||r.inDraw();t.skipValidation||(i.isValid=r.isPositionValid(t));if(a){i.variantWin=r.isVariantWin();void 0===i.variantWin&&(i.variantWin=r.isBughouseWin())}return i.gameOver=i.checkmate||i.draw||!!i.variantWin,i}function isFenValid(e,n){return 0===o.validateFen(e,n)}function loadECO(e,t){n.loadBook(e,function onload(e,o){if(!o||!o.json)return t(e||Error("Invalid book"));t(e,function queryECO(e){var t,a,r,i,s,f,c,d,u;if(e.hash){a="string"==typeof e.hash?[n.hex64ToDec(e.hash)]:[e.hash];i=1}else{t=createGame(e);if(!t)return!1;i=(a=t.hashes()).length}for(r=0;r<i;++r){s=o.json[n.to64BitHex(a[r])];if(s){if(s.constructor===Array){if(f&&-1===s[0].m.indexOf(f.m)){for(d=s.length-1;d>=0;--d)if(!d||-1!==s[d].m.indexOf(f.m)){(u=s[d]).e=s[0].e;u.s=s[0].s;u.mate=s[0].mate;u.v=s[0].v;u.h=s[0].h;u.n=u.n||s[0].n;u.u=u.u||s[0].u;u.c=u.c||s[0].c;break}}else u=s[0]}else u=s;(u.n||e.allowNameless)&&(f=u)}else e.mustEndInBook&&(f=void 0)}if(f){c={name:f.n};f.m&&(c.moves=f.m);void 0!==f.d&&(c.sdiff=f.d/100);if(f.c){c.code=f.c;c.url=f.u||f.n.replace(/[\u00e1-\u00e5]/g,"a").replace(/[\u0107\u010d]/g,"c").replace(/[\u00e9\u00e8\u0117\u0113]/g,"e").replace(/[\u00f3\u00f6\u00f8]/g,"o").replace(/[\u016f\u00fc]/g,"u").replace(/['+,]/g,"").replace(/[^a-z0-9.]+/ig,"-").replace(/(with-\d|St)\.+-?/,"$1-")}if(f.e){c.eval=f.e;c.depth=f.h;c.score=f.e[0].cp/100;void 0!==f.e[0].mate&&(c.mate=f.e[0].mate)}else{c.score=f.s/100;void 0!==f.mate&&(c.mate=f.mate)}return f.v&&(c.bad=!0),c}},o.json)})}function jce(n,t){return(e=e||ENGINE_MANAGER(jce))(n,t)}return jce.supportsMultithreading=function(){var e,n=!!jce._hasThreads;if("boolean"!=typeof jce._hasThreads){try{(e=new Worker("data:application/javascript,")).postMessage(new SharedArrayBuffer(1));n=!0}catch(e){}try{e.terminate()}catch(e){}jce._hasThreads=n}return n},jce.supportsSIMD=function(){return"boolean"==typeof jce._hasSIMD?jce._hasSIMD:jce._hasSIMD=WebAssembly.validate(new Uint8Array([0,97,115,109,1,0,0,0,1,5,1,96,0,1,123,3,2,1,0,10,10,1,8,0,65,0,253,15,253,98,11]))},jce.gameFingerprints=gameFingerprints,jce.getFenFromMoves=getFenFromMoves,jce.getLegalMoves=getLegalMoves,jce.getPositionInfo=getPositionInfo,jce.isFenValid=isFenValid,jce.encodeTCN=encodeTCN,jce.decodeTCN=decodeTCN,jce.uciToObj=uciToObj,jce.generatePgn=generatePgn,jce.pgnToFen=pgnToFen,jce.pgnToJson=pgnToJson,jce.sanToObj=sanToObj,jce.completeFen=o.completeFen,jce.shortenFen=shortenFen,jce.createGame=createGame,jce.getPositionDetails=getPositionDetails,jce.predict=predict,jce.normalizeMoveObj=normalizeMoveObj,jce.FLAGS=o.FLAGS,jce.loadECO=loadECO,jce.CEE_LIB=function(){var e={};return e.addOptions=function(e,n){for(var t in n)void 0!==n[t]&&e.push("setoption name "+t+" value "+n[t]);return e},e.addVariations=function(e,n,t){n=n||[];t=t||"variation";for(var o,a,r=0;r<n.length;++r){a=t+" "+(Array.isArray((o=n[r]).pv)?o.pv.join(" "):o.pv||"");"number"==typeof o.mateIn?a+=" mate 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 *  howler.js v2.2.1
 *  howlerjs.com
 *
 *  (c) 2013-2020, James Simpson of GoldFire Studios
 *  goldfirestudios.com
 *
 *  MIT License
 */!function(){"use strict";var HowlerGlobal=function(){this.init()};HowlerGlobal.prototype={init:function(){var e=this||a;return e._counter=1e3,e._html5AudioPool=[],e.html5PoolSize=10,e._codecs={},e._howls=[],e._muted=!1,e._volume=1,e._canPlayEvent="canplaythrough",e._navigator="undefined"!=typeof window&&window.navigator?window.navigator:null,e.masterGain=null,e.noAudio=!1,e.usingWebAudio=!0,e.autoSuspend=!0,e.ctx=null,e.autoUnlock=!0,e._setup(),e},volume:function(e){var n=this||a;e=parseFloat(e);n.ctx||setupAudioContext();if(void 0!==e&&e>=0&&e<=1){n._volume=e;if(n._muted)return n;n.usingWebAudio&&n.masterGain.gain.setValueAtTime(e,a.ctx.currentTime);for(var t=0;t<n._howls.length;t++)if(!n._howls[t]._webAudio)for(var o=n._howls[t]._getSoundIds(),r=0;r<o.length;r++){var i=n._howls[t]._soundById(o[r]);i&&i._node&&(i._node.volume=i._volume*e)}return n}return n._volume},mute:function(e){var n=this||a;n.ctx||setupAudioContext();n._muted=e;n.usingWebAudio&&n.masterGain.gain.setValueAtTime(e?0:n._volume,a.ctx.currentTime);for(var t=0;t<n._howls.length;t++)if(!n._howls[t]._webAudio)for(var o=n._howls[t]._getSoundIds(),r=0;r<o.length;r++){var i=n._howls[t]._soundById(o[r]);i&&i._node&&(i._node.muted=!!e||i._muted)}return n},stop:function(){for(var e=this||a,n=0;n<e._howls.length;n++)e._howls[n].stop();return e},unload:function(){for(var e=this||a,n=e._howls.length-1;n>=0;n--)e._howls[n].unload();if(e.usingWebAudio&&e.ctx&&void 0!==e.ctx.close){e.ctx.close();e.ctx=null;setupAudioContext()}return e},codecs:function(e){return(this||a)._codecs[e.replace(/^x-/,"")]},_setup:function(){var e=this||a;e.state=e.ctx&&e.ctx.state||"suspended";e._autoSuspend();if(!e.usingWebAudio){if("undefined"!=typeof Audio)try{var n=new Audio;void 0===n.oncanplaythrough&&(e._canPlayEvent="canplay")}catch(n){e.noAudio=!0}else e.noAudio=!0}try{var n=new Audio;n.muted&&(e.noAudio=!0)}catch(e){}return e.noAudio||e._setupCodecs(),e},_setupCodecs:function(){var e=this||a,n=null;try{n="undefined"!=typeof Audio?new Audio:null}catch(n){return e}if(!n||"function"!=typeof n.canPlayType)return e;var t=n.canPlayType("audio/mpeg;").replace(/^no$/,""),o=e._navigator&&e._navigator.userAgent.match(/OPR\/([0-6].)/g),r=o&&33>parseInt(o[0].split("/")[1],10);return e._codecs={mp3:!!(!r&&(t||n.canPlayType("audio/mp3;").replace(/^no$/,""))),mpeg:!!t,opus:!!n.canPlayType('audio/ogg; codecs="opus"').replace(/^no$/,""),ogg:!!n.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/,""),oga:!!n.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/,""),wav:!!(n.canPlayType('audio/wav; codecs="1"')||n.canPlayType("audio/wav")).replace(/^no$/,""),aac:!!n.canPlayType("audio/aac;").replace(/^no$/,""),caf:!!n.canPlayType("audio/x-caf;").replace(/^no$/,""),m4a:!!(n.canPlayType("audio/x-m4a;")||n.canPlayType("audio/m4a;")||n.canPlayType("audio/aac;")).replace(/^no$/,""),m4b:!!(n.canPlayType("audio/x-m4b;")||n.canPlayType("audio/m4b;")||n.canPlayType("audio/aac;")).replace(/^no$/,""),mp4:!!(n.canPlayType("audio/x-mp4;")||n.canPlayType("audio/mp4;")||n.canPlayType("audio/aac;")).replace(/^no$/,""),weba:!!n.canPlayType('audio/webm; codecs="vorbis"').replace(/^no$/,""),webm:!!n.canPlayType('audio/webm; codecs="vorbis"').replace(/^no$/,""),dolby:!!n.canPlayType('audio/mp4; codecs="ec-3"').replace(/^no$/,""),flac:!!(n.canPlayType("audio/x-flac;")||n.canPlayType("audio/flac;")).replace(/^no$/,"")},e},_unlockAudio:function(){var e=this||a;if(!e._audioUnlocked&&e.ctx){e._audioUnlocked=!1;e.autoUnlock=!1;if(!e._mobileUnloaded&&44100!==e.ctx.sampleRate){e._mobileUnloaded=!0;e.unload()}e._scratchBuffer=e.ctx.createBuffer(1,1,22050);var unlock=function(n){for(;e._html5AudioPool.length<e.html5PoolSize;)try{var t=new Audio;t._unlocked=!0;e._releaseHtml5Audio(t)}catch(n){e.noAudio=!0;break}for(var o=0;o<e._howls.length;o++)if(!e._howls[o]._webAudio)for(var a=e._howls[o]._getSoundIds(),r=0;r<a.length;r++){var i=e._howls[o]._soundById(a[r]);if(i&&i._node&&!i._node._unlocked){i._node._unlocked=!0;i._node.load()}}e._autoResume();var s=e.ctx.createBufferSource();s.buffer=e._scratchBuffer;s.connect(e.ctx.destination);void 0===s.start?s.noteOn(0):s.start(0);"function"==typeof e.ctx.resume&&e.ctx.resume();s.onended=function(){s.disconnect(0);e._audioUnlocked=!0;document.removeEventListener("touchstart",unlock,!0);document.removeEventListener("touchend",unlock,!0);document.removeEventListener("click",unlock,!0);for(var n=0;n<e._howls.length;n++)e._howls[n]._emit("unlock")}};return document.addEventListener("touchstart",unlock,!0),document.addEventListener("touchend",unlock,!0),document.addEventListener("click",unlock,!0),e}},_obtainHtml5Audio:function(){var e=this||a;if(e._html5AudioPool.length)return e._html5AudioPool.pop();var n=new Audio().play();return n&&"undefined"!=typeof Promise&&(n instanceof Promise||"function"==typeof n.then)&&n.catch(function(){console.warn("HTML5 Audio pool exhausted, returning potentially locked audio object.")}),new Audio},_releaseHtml5Audio:function(e){var n=this||a;return e._unlocked&&n._html5AudioPool.push(e),n},_autoSuspend:function(){var e=this;if(e.autoSuspend&&e.ctx&&void 0!==e.ctx.suspend&&a.usingWebAudio){for(var n=0;n<e._howls.length;n++)if(e._howls[n]._webAudio){for(var t=0;t<e._howls[n]._sounds.length;t++)if(!e._howls[n]._sounds[t]._paused)return e}return e._suspendTimer&&clearTimeout(e._suspendTimer),e._suspendTimer=setTimeout(function(){if(e.autoSuspend){e._suspendTimer=null;e.state="suspending";var handleSuspension=function(){e.state="suspended";if(e._resumeAfterSuspend){delete e._resumeAfterSuspend;e._autoResume()}};e.ctx.suspend().then(handleSuspension,handleSuspension)}},3e4),e}},_autoResume:function(){var e=this;if(e.ctx&&void 0!==e.ctx.resume&&a.usingWebAudio){if("running"===e.state&&"interrupted"!==e.ctx.state&&e._suspendTimer){clearTimeout(e._suspendTimer);e._suspendTimer=null}else if("suspended"===e.state||"running"===e.state&&"interrupted"===e.ctx.state){e.ctx.resume().then(function(){e.state="running";for(var n=0;n<e._howls.length;n++)e._howls[n]._emit("resume")});if(e._suspendTimer){clearTimeout(e._suspendTimer);e._suspendTimer=null}}else"suspending"===e.state&&(e._resumeAfterSuspend=!0);return e}}};var a=new HowlerGlobal,Howl=function(e){if(!e.src||0===e.src.length){console.error("An array of source files must be passed with any new Howl.");return}this.init(e)};Howl.prototype={init:function(e){var n=this;return a.ctx||setupAudioContext(),n._autoplay=e.autoplay||!1,n._format="string"!=typeof e.format?e.format:[e.format],n._html5=e.html5||!1,n._muted=e.mute||!1,n._loop=e.loop||!1,n._pool=e.pool||5,n._preload="boolean"!=typeof e.preload&&"metadata"!==e.preload||e.preload,n._rate=e.rate||1,n._sprite=e.sprite||{},n._src="string"!=typeof e.src?e.src:[e.src],n._volume=void 0!==e.volume?e.volume:1,n._xhr={method:e.xhr&&e.xhr.method?e.xhr.method:"GET",headers:e.xhr&&e.xhr.headers?e.xhr.headers:null,withCredentials:!!e.xhr&&!!e.xhr.withCredentials&&e.xhr.withCredentials},n._duration=0,n._state="unloaded",n._sounds=[],n._endTimers={},n._queue=[],n._playLock=!1,n._onend=e.onend?[{fn:e.onend}]:[],n._onfade=e.onfade?[{fn:e.onfade}]:[],n._onload=e.onload?[{fn:e.onload}]:[],n._onloaderror=e.onloaderror?[{fn:e.onloaderror}]:[],n._onplayerror=e.onplayerror?[{fn:e.onplayerror}]:[],n._onpause=e.onpause?[{fn:e.onpause}]:[],n._onplay=e.onplay?[{fn:e.onplay}]:[],n._onstop=e.onstop?[{fn:e.onstop}]:[],n._onmute=e.onmute?[{fn:e.onmute}]:[],n._onvolume=e.onvolume?[{fn:e.onvolume}]:[],n._onrate=e.onrate?[{fn:e.onrate}]:[],n._onseek=e.onseek?[{fn:e.onseek}]:[],n._onunlock=e.onunlock?[{fn:e.onunlock}]:[],n._onresume=[],n._webAudio=a.usingWebAudio&&!n._html5,void 0!==a.ctx&&a.ctx&&a.autoUnlock&&a._unlockAudio(),a._howls.push(n),n._autoplay&&n._queue.push({event:"play",action:function(){n.play()}}),n._preload&&"none"!==n._preload&&n.load(),n},load:function(){var e,n,t=this,o=null;if(a.noAudio){t._emit("loaderror",null,"No audio support.");return}"string"==typeof t._src&&(t._src=[t._src]);for(var r=0;r<t._src.length;r++){if(t._format&&t._format[r])e=t._format[r];else{n=t._src[r];if("string"!=typeof n){t._emit("loaderror",null,"Non-string found in selected audio sources - ignoring.");continue}(e=/^data:audio\/([^;,]+);/i.exec(n))||(e=/\.([^.]+)$/.exec(n.split("?",1)[0]));e&&(e=e[1].toLowerCase())}e||console.warn('No file extension was found. Consider using the "format" property or specify an extension.');if(e&&a.codecs(e)){o=t._src[r];break}}if(!o){t._emit("loaderror",null,"No codec support for selected audio sources.");return}t._src=o;t._state="loading";if("https:"===window.location.protocol&&"http:"===o.slice(0,5)){t._html5=!0;t._webAudio=!1}return new Sound(t),t._webAudio&&loadBuffer(t),t},play:function(e,n){var t=this,o=null;if("number"==typeof e){o=e;e=null}else if("string"==typeof e&&"loaded"===t._state&&!t._sprite[e])return null;else if(void 0===e){e="__default";if(!t._playLock){for(var r=0,i=0;i<t._sounds.length;i++)if(t._sounds[i]._paused&&!t._sounds[i]._ended){r++;o=t._sounds[i]._id}1===r?e=null:o=null}}var s=o?t._soundById(o):t._inactiveSound();if(!s)return null;o&&!e&&(e=s._sprite||"__default");if("loaded"!==t._state){s._sprite=e;s._ended=!1;var f=s._id;return t._queue.push({event:"play",action:function(){t.play(f)}}),f}if(o&&!s._paused)return n||t._loadQueue("play"),s._id;t._webAudio&&a._autoResume();var c=Math.max(0,s._seek>0?s._seek:t._sprite[e][0]/1e3),d=Math.max(0,(t._sprite[e][0]+t._sprite[e][1])/1e3-c),u=1e3*d/Math.abs(s._rate),l=t._sprite[e][0]/1e3,x=(t._sprite[e][0]+t._sprite[e][1])/1e3;s._sprite=e;s._ended=!1;var setParams=function(){s._paused=!1;s._seek=c;s._start=l;s._stop=x;s._loop=!!(s._loop||t._sprite[e][2])};if(c>=x){t._ended(s);return}var p=s._node;if(t._webAudio){var playWebAudio=function(){t._playLock=!1;setParams();t._refreshBuffer(s);var e=s._muted||t._muted?0:s._volume;p.gain.setValueAtTime(e,a.ctx.currentTime);s._playStart=a.ctx.currentTime;void 0===p.bufferSource.start?s._loop?p.bufferSource.noteGrainOn(0,c,86400):p.bufferSource.noteGrainOn(0,c,d):s._loop?p.bufferSource.start(0,c,86400):p.bufferSource.start(0,c,d);u!==1/0&&(t._endTimers[s._id]=setTimeout(t._ended.bind(t,s),u));n||setTimeout(function(){t._emit("play",s._id);t._loadQueue()},0)};if("running"===a.state&&"interrupted"!==a.ctx.state)playWebAudio();else{t._playLock=!0;t.once("resume",playWebAudio);t._clearTimer(s._id)}}else{var playHtml5=function(){p.currentTime=c;p.muted=s._muted||t._muted||a._muted||p.muted;p.volume=s._volume*a.volume();p.playbackRate=s._rate;try{var o=p.play();if(o&&"undefined"!=typeof Promise&&(o instanceof Promise||"function"==typeof o.then)){t._playLock=!0;setParams();o.then(function(){t._playLock=!1;p._unlocked=!0;if(!n){t._emit("play",s._id);t._loadQueue()}}).catch(function(){t._playLock=!1;t._emit("playerror",s._id,"Playback was unable to start. This is most commonly an issue on mobile devices and Chrome where playback was not within a user interaction.");s._ended=!0;s._paused=!0})}else if(!n){t._playLock=!1;setParams();t._emit("play",s._id);t._loadQueue()}p.playbackRate=s._rate;if(p.paused){t._emit("playerror",s._id,"Playback was unable to start. This is most commonly an issue on mobile devices and Chrome where playback was not within a user interaction.");return}if("__default"!==e||s._loop)t._endTimers[s._id]=setTimeout(t._ended.bind(t,s),u);else{t._endTimers[s._id]=function(){t._ended(s);p.removeEventListener("ended",t._endTimers[s._id],!1)};p.addEventListener("ended",t._endTimers[s._id],!1)}}catch(e){t._emit("playerror",s._id,e)}};if("data:audio/wav;base64,UklGRigAAABXQVZFZm10IBIAAAABAAEARKwAAIhYAQACABAAAABkYXRhAgAAAAEA"===p.src){p.src=t._src;p.load()}var m=window&&window.ejecta||!p.readyState&&a._navigator.isCocoonJS;if(p.readyState>=3||m)playHtml5();else{t._playLock=!0;var listener=function(){playHtml5();p.removeEventListener(a._canPlayEvent,listener,!1)};p.addEventListener(a._canPlayEvent,listener,!1);t._clearTimer(s._id)}}return s._id},pause:function(e){var n=this;if("loaded"!==n._state||n._playLock)return n._queue.push({event:"pause",action:function(){n.pause(e)}}),n;for(var t=n._getSoundIds(e),o=0;o<t.length;o++){n._clearTimer(t[o]);var a=n._soundById(t[o]);if(a&&!a._paused){a._seek=n.seek(t[o]);a._rateSeek=0;a._paused=!0;n._stopFade(t[o]);if(a._node){if(n._webAudio){if(!a._node.bufferSource)continue;void 0===a._node.bufferSource.stop?a._node.bufferSource.noteOff(0):a._node.bufferSource.stop(0);n._cleanBuffer(a._node)}else isNaN(a._node.duration)&&a._node.duration!==1/0||a._node.pause()}}arguments[1]||n._emit("pause",a?a._id:null)}return n},stop:function(e,n){var t=this;if("loaded"!==t._state||t._playLock)return t._queue.push({event:"stop",action:function(){t.stop(e)}}),t;for(var o=t._getSoundIds(e),a=0;a<o.length;a++){t._clearTimer(o[a]);var r=t._soundById(o[a]);if(r){r._seek=r._start||0;r._rateSeek=0;r._paused=!0;r._ended=!0;t._stopFade(o[a]);if(r._node){if(t._webAudio){if(r._node.bufferSource){void 0===r._node.bufferSource.stop?r._node.bufferSource.noteOff(0):r._node.bufferSource.stop(0);t._cleanBuffer(r._node)}}else if(!isNaN(r._node.duration)||r._node.duration===1/0){r._node.currentTime=r._start||0;r._node.pause();r._node.duration===1/0&&t._clearSound(r._node)}}n||t._emit("stop",r._id)}}return t},mute:function(e,n){var t=this;if("loaded"!==t._state||t._playLock)return t._queue.push({event:"mute",action:function(){t.mute(e,n)}}),t;if(void 0===n){if("boolean"!=typeof e)return t._muted;t._muted=e}for(var o=t._getSoundIds(n),r=0;r<o.length;r++){var i=t._soundById(o[r]);if(i){i._muted=e;i._interval&&t._stopFade(i._id);t._webAudio&&i._node?i._node.gain.setValueAtTime(e?0:i._volume,a.ctx.currentTime):i._node&&(i._node.muted=!!a._muted||e);t._emit("mute",i._id)}}return t},volume:function(){var e,n,t,o=this,r=arguments;if(0===r.length)return o._volume;if(1===r.length||2===r.length&&void 0===r[1])o._getSoundIds().indexOf(r[0])>=0?n=parseInt(r[0],10):e=parseFloat(r[0]);else if(r.length>=2){e=parseFloat(r[0]);n=parseInt(r[1],10)}if(void 0===e||!(e>=0)||!(e<=1))return(t=n?o._soundById(n):o._sounds[0])?t._volume:0;if("loaded"!==o._state||o._playLock)return o._queue.push({event:"volume",action:function(){o.volume.apply(o,r)}}),o;void 0===n&&(o._volume=e);n=o._getSoundIds(n);for(var i=0;i<n.length;i++){t=o._soundById(n[i]);if(t){t._volume=e;r[2]||o._stopFade(n[i]);o._webAudio&&t._node&&!t._muted?t._node.gain.setValueAtTime(e,a.ctx.currentTime):t._node&&!t._muted&&(t._node.volume=e*a.volume());o._emit("volume",t._id)}}return o},fade:function(e,n,t,o){var r=this;if("loaded"!==r._state||r._playLock)return r._queue.push({event:"fade",action:function(){r.fade(e,n,t,o)}}),r;e=Math.min(Math.max(0,parseFloat(e)),1);n=Math.min(Math.max(0,parseFloat(n)),1);t=parseFloat(t);r.volume(e,o);for(var i=r._getSoundIds(o),s=0;s<i.length;s++){var f=r._soundById(i[s]);if(f){o||r._stopFade(i[s]);if(r._webAudio&&!f._muted){var c=a.ctx.currentTime,d=c+t/1e3;f._volume=e;f._node.gain.setValueAtTime(e,c);f._node.gain.linearRampToValueAtTime(n,d)}r._startFadeInterval(f,e,n,t,i[s],void 0===o)}}return r},_startFadeInterval:function(e,n,t,o,a,r){var i=this,s=n,f=t-n,c=Math.abs(f/.01),d=Math.max(4,c>0?o/c:o),u=Date.now();e._fadeTo=t;e._interval=setInterval(function(){var a=(Date.now()-u)/o;u=Date.now();s+=f*a;s=Math.round(100*s)/100;s=f<0?Math.max(t,s):Math.min(t,s);i._webAudio?e._volume=s:i.volume(s,e._id,!0);r&&(i._volume=s);if(t<n&&s<=t||t>n&&s>=t){clearInterval(e._interval);e._interval=null;e._fadeTo=null;i.volume(t,e._id);i._emit("fade",e._id)}},d)},_stopFade:function(e){var n=this,t=n._soundById(e);if(t&&t._interval){n._webAudio&&t._node.gain.cancelScheduledValues(a.ctx.currentTime);clearInterval(t._interval);t._interval=null;n.volume(t._fadeTo,e);t._fadeTo=null;n._emit("fade",e)}return n},loop:function(){var e,n,t,o=this,a=arguments;if(0===a.length)return o._loop;if(1===a.length){if("boolean"!=typeof a[0])return!!(t=o._soundById(parseInt(a[0],10)))&&t._loop;e=a[0];o._loop=e}else if(2===a.length){e=a[0];n=parseInt(a[1],10)}for(var r=o._getSoundIds(n),i=0;i<r.length;i++){t=o._soundById(r[i]);if(t){t._loop=e;if(o._webAudio&&t._node&&t._node.bufferSource){t._node.bufferSource.loop=e;if(e){t._node.bufferSource.loopStart=t._start||0;t._node.bufferSource.loopEnd=t._stop}}}}return o},rate:function(){var e,n,t,o=this,r=arguments;if(0===r.length)n=o._sounds[0]._id;else if(1===r.length)o._getSoundIds().indexOf(r[0])>=0?n=parseInt(r[0],10):e=parseFloat(r[0]);else if(2===r.length){e=parseFloat(r[0]);n=parseInt(r[1],10)}if("number"!=typeof e)return(t=o._soundById(n))?t._rate:o._rate;if("loaded"!==o._state||o._playLock)return o._queue.push({event:"rate",action:function(){o.rate.apply(o,r)}}),o;void 0===n&&(o._rate=e);n=o._getSoundIds(n);for(var i=0;i<n.length;i++){t=o._soundById(n[i]);if(t){if(o.playing(n[i])){t._rateSeek=o.seek(n[i]);t._playStart=o._webAudio?a.ctx.currentTime:t._playStart}t._rate=e;o._webAudio&&t._node&&t._node.bufferSource?t._node.bufferSource.playbackRate.setValueAtTime(e,a.ctx.currentTime):t._node&&(t._node.playbackRate=e);var s=o.seek(n[i]),f=1e3*((o._sprite[t._sprite][0]+o._sprite[t._sprite][1])/1e3-s)/Math.abs(t._rate);if(o._endTimers[n[i]]||!t._paused){o._clearTimer(n[i]);o._endTimers[n[i]]=setTimeout(o._ended.bind(o,t),f)}o._emit("rate",t._id)}}return o},seek:function(){var e,n,t=this,o=arguments;if(0===o.length)n=t._sounds[0]._id;else if(1===o.length){var r=t._getSoundIds().indexOf(o[0]);if(r>=0)n=parseInt(o[0],10);else if(t._sounds.length){n=t._sounds[0]._id;e=parseFloat(o[0])}}else if(2===o.length){e=parseFloat(o[0]);n=parseInt(o[1],10)}if(void 0===n)return t;if("number"==typeof e&&("loaded"!==t._state||t._playLock))return t._queue.push({event:"seek",action:function(){t.seek.apply(t,o)}}),t;var i=t._soundById(n);if(i){if("number"==typeof e&&e>=0){var s=t.playing(n);s&&t.pause(n,!0);i._seek=e;i._ended=!1;t._clearTimer(n);t._webAudio||!i._node||isNaN(i._node.duration)||(i._node.currentTime=e);var seekAndEmit=function(){t._emit("seek",n);s&&t.play(n,!0)};if(s&&!t._webAudio){var emitSeek=function(){t._playLock?setTimeout(emitSeek,0):seekAndEmit()};setTimeout(emitSeek,0)}else seekAndEmit()}else{if(!t._webAudio)return i._node.currentTime;var f=t.playing(n)?a.ctx.currentTime-i._playStart:0,c=i._rateSeek?i._rateSeek-i._seek:0;return i._seek+(c+f*Math.abs(i._rate))}}return t},playing:function(e){var n=this;if("number"==typeof e){var t=n._soundById(e);return!!t&&!t._paused}for(var o=0;o<n._sounds.length;o++)if(!n._sounds[o]._paused)return!0;return!1},duration:function(e){var n=this,t=n._duration,o=n._soundById(e);return o&&(t=n._sprite[o._sprite][1]/1e3),t},state:function(){return this._state},unload:function(){for(var e=this,n=e._sounds,t=0;t<n.length;t++){n[t]._paused||e.stop(n[t]._id);if(!e._webAudio){e._clearSound(n[t]._node);n[t]._node.removeEventListener("error",n[t]._errorFn,!1);n[t]._node.removeEventListener(a._canPlayEvent,n[t]._loadFn,!1);n[t]._node.removeEventListener("ended",n[t]._endFn,!1);a._releaseHtml5Audio(n[t]._node)}delete n[t]._node;e._clearTimer(n[t]._id)}var o=a._howls.indexOf(e);o>=0&&a._howls.splice(o,1);var i=!0;for(t=0;t<a._howls.length;t++)if(a._howls[t]._src===e._src||e._src.indexOf(a._howls[t]._src)>=0){i=!1;break}return r&&i&&delete r[e._src],a.noAudio=!1,e._state="unloaded",e._sounds=[],e=null,null},on:function(e,n,t,o){var a=this,r=a["_on"+e];return"function"==typeof n&&r.push(o?{id:t,fn:n,once:o}:{id:t,fn:n}),a},off:function(e,n,t){var o=this,a=o["_on"+e],r=0;if("number"==typeof n){t=n;n=null}if(n||t)for(r=0;r<a.length;r++){var i=t===a[r].id;if(n===a[r].fn&&i||!n&&i){a.splice(r,1);break}}else if(e)o["_on"+e]=[];else{var s=Object.keys(o);for(r=0;r<s.length;r++)0===s[r].indexOf("_on")&&Array.isArray(o[s[r]])&&(o[s[r]]=[])}return o},once:function(e,n,t){var o=this;return o.on(e,n,t,1),o},_emit:function(e,n,t){for(var o=this,a=o["_on"+e],r=a.length-1;r>=0;r--)if(!a[r].id||a[r].id===n||"load"===e){setTimeout((function(e){e.call(this,n,t)}).bind(o,a[r].fn),0);a[r].once&&o.off(e,a[r].fn,a[r].id)}return o._loadQueue(e),o},_loadQueue:function(e){var n=this;if(n._queue.length>0){var t=n._queue[0];if(t.event===e){n._queue.shift();n._loadQueue()}e||t.action()}return n},_ended:function(e){var n=this,t=e._sprite;if(!n._webAudio&&e._node&&!e._node.paused&&!e._node.ended&&e._node.currentTime<e._stop)return setTimeout(n._ended.bind(n,e),100),n;var o=!!(e._loop||n._sprite[t][2]);n._emit("end",e._id);!n._webAudio&&o&&n.stop(e._id,!0).play(e._id);if(n._webAudio&&o){n._emit("play",e._id);e._seek=e._start||0;e._rateSeek=0;e._playStart=a.ctx.currentTime;var r=(e._stop-e._start)*1e3/Math.abs(e._rate);n._endTimers[e._id]=setTimeout(n._ended.bind(n,e),r)}if(n._webAudio&&!o){e._paused=!0;e._ended=!0;e._seek=e._start||0;e._rateSeek=0;n._clearTimer(e._id);n._cleanBuffer(e._node);a._autoSuspend()}return n._webAudio||o||n.stop(e._id,!0),n},_clearTimer:function(e){var n=this;if(n._endTimers[e]){if("function"!=typeof n._endTimers[e])clearTimeout(n._endTimers[e]);else{var t=n._soundById(e);t&&t._node&&t._node.removeEventListener("ended",n._endTimers[e],!1)}delete n._endTimers[e]}return n},_soundById:function(e){for(var n=this,t=0;t<n._sounds.length;t++)if(e===n._sounds[t]._id)return n._sounds[t];return null},_inactiveSound:function(){var e=this;e._drain();for(var n=0;n<e._sounds.length;n++)if(e._sounds[n]._ended)return e._sounds[n].reset();return new Sound(e)},_drain:function(){var e=this,n=e._pool,t=0,o=0;if(!(e._sounds.length<n)){for(o=0;o<e._sounds.length;o++)e._sounds[o]._ended&&t++;for(o=e._sounds.length-1;o>=0;o--){if(t<=n)return;if(e._sounds[o]._ended){e._webAudio&&e._sounds[o]._node&&e._sounds[o]._node.disconnect(0);e._sounds.splice(o,1);t--}}}},_getSoundIds:function(e){var n=this;if(void 0!==e)return[e];for(var t=[],o=0;o<n._sounds.length;o++)t.push(n._sounds[o]._id);return t},_refreshBuffer:function(e){var n=this;e._node.bufferSource=a.ctx.createBufferSource();e._node.bufferSource.buffer=r[n._src];e._panner?e._node.bufferSource.connect(e._panner):e._node.bufferSource.connect(e._node);e._node.bufferSource.loop=e._loop;if(e._loop){e._node.bufferSource.loopStart=e._start||0;e._node.bufferSource.loopEnd=e._stop||0}return e._node.bufferSource.playbackRate.setValueAtTime(e._rate,a.ctx.currentTime),n},_cleanBuffer:function(e){var n=a._navigator&&a._navigator.vendor.indexOf("Apple")>=0;if(a._scratchBuffer&&e.bufferSource){e.bufferSource.onended=null;e.bufferSource.disconnect(0);if(n)try{e.bufferSource.buffer=a._scratchBuffer}catch(e){}}return e.bufferSource=null,this},_clearSound:function(e){/MSIE |Trident\//.test(a._navigator&&a._navigator.userAgent)||(e.src="data:audio/wav;base64,UklGRigAAABXQVZFZm10IBIAAAABAAEARKwAAIhYAQACABAAAABkYXRhAgAAAAEA")}};var Sound=function(e){this._parent=e;this.init()};Sound.prototype={init:function(){var e=this,n=e._parent;return e._muted=n._muted,e._loop=n._loop,e._volume=n._volume,e._rate=n._rate,e._seek=0,e._paused=!0,e._ended=!0,e._sprite="__default",e._id=++a._counter,n._sounds.push(e),e.create(),e},create:function(){var e=this,n=e._parent,t=a._muted||e._muted||e._parent._muted?0:e._volume;if(n._webAudio){e._node=void 0===a.ctx.createGain?a.ctx.createGainNode():a.ctx.createGain();e._node.gain.setValueAtTime(t,a.ctx.currentTime);e._node.paused=!0;e._node.connect(a.masterGain)}else if(!a.noAudio){e._node=a._obtainHtml5Audio();e._errorFn=e._errorListener.bind(e);e._node.addEventListener("error",e._errorFn,!1);e._loadFn=e._loadListener.bind(e);e._node.addEventListener(a._canPlayEvent,e._loadFn,!1);e._endFn=e._endListener.bind(e);e._node.addEventListener("ended",e._endFn,!1);e._node.src=n._src;e._node.preload=!0===n._preload?"auto":n._preload;e._node.volume=t*a.volume();e._node.load()}return e},reset:function(){var e=this,n=e._parent;return e._muted=n._muted,e._loop=n._loop,e._volume=n._volume,e._rate=n._rate,e._seek=0,e._rateSeek=0,e._paused=!0,e._ended=!0,e._sprite="__default",e._id=++a._counter,e},_errorListener:function(){var e=this;e._parent._emit("loaderror",e._id,e._node.error?e._node.error.code:0);e._node.removeEventListener("error",e._errorFn,!1)},_loadListener:function(){var e=this,n=e._parent;n._duration=Math.ceil(10*e._node.duration)/10;0===Object.keys(n._sprite).length&&(n._sprite={__default:[0,1e3*n._duration]});if("loaded"!==n._state){n._state="loaded";n._emit("load");n._loadQueue()}e._node.removeEventListener(a._canPlayEvent,e._loadFn,!1)},_endListener:function(){var e=this,n=e._parent;if(n._duration===1/0){n._duration=Math.ceil(10*e._node.duration)/10;n._sprite.__default[1]===1/0&&(n._sprite.__default[1]=1e3*n._duration);n._ended(e)}e._node.removeEventListener("ended",e._endFn,!1)}};var r={},loadBuffer=function(e){var n=e._src;if(r[n]){e._duration=r[n].duration;loadSound(e);return}if(/^data:[^;]+;base64,/.test(n)){for(var t=atob(n.split(",")[1]),o=new Uint8Array(t.length),a=0;a<t.length;++a)o[a]=t.charCodeAt(a);decodeAudioData(o.buffer,e)}else{var i=new XMLHttpRequest;i.open(e._xhr.method,n,!0);i.withCredentials=e._xhr.withCredentials;i.responseType="arraybuffer";e._xhr.headers&&Object.keys(e._xhr.headers).forEach(function(n){i.setRequestHeader(n,e._xhr.headers[n])});i.onload=function(){var n=(i.status+"")[0];if("0"!==n&&"2"!==n&&"3"!==n){e._emit("loaderror",null,"Failed loading audio file with status: "+i.status+".");return}decodeAudioData(i.response,e)};i.onerror=function(){if(e._webAudio){e._html5=!0;e._webAudio=!1;e._sounds=[];delete r[n];e.load()}};safeXhrSend(i)}},safeXhrSend=function(e){try{e.send()}catch(n){e.onerror()}},decodeAudioData=function(e,n){var error=function(){n._emit("loaderror",null,"Decoding audio data failed.")},success=function(e){if(e&&n._sounds.length>0){r[n._src]=e;loadSound(n,e)}else error()};"undefined"!=typeof Promise&&1===a.ctx.decodeAudioData.length?a.ctx.decodeAudioData(e).then(success).catch(error):a.ctx.decodeAudioData(e,success,error)},loadSound=function(e,n){n&&!e._duration&&(e._duration=n.duration);0===Object.keys(e._sprite).length&&(e._sprite={__default:[0,1e3*e._duration]});if("loaded"!==e._state){e._state="loaded";e._emit("load");e._loadQueue()}},setupAudioContext=function(){if(a.usingWebAudio){try{"undefined"!=typeof AudioContext?a.ctx=new AudioContext:"undefined"!=typeof webkitAudioContext?a.ctx=new webkitAudioContext:a.usingWebAudio=!1}catch(e){a.usingWebAudio=!1}a.ctx||(a.usingWebAudio=!1);var e=/iP(hone|od|ad)/.test(a._navigator&&a._navigator.platform),n=a._navigator&&a._navigator.appVersion.match(/OS (\d+)_(\d+)_?(\d+)?/),t=n?parseInt(n[1],10):null;if(e&&t&&t<9){var o=/safari/.test(a._navigator&&a._navigator.userAgent.toLowerCase());a._navigator&&!o&&(a.usingWebAudio=!1)}if(a.usingWebAudio){a.masterGain=void 0===a.ctx.createGain?a.ctx.createGainNode():a.ctx.createGain();a.masterGain.gain.setValueAtTime(a._muted?0:a._volume,a.ctx.currentTime);a.masterGain.connect(a.ctx.destination)}a._setup()}};void 0!==(o=(function(){return{Howler:a,Howl:Howl}}).apply(n,[]))&&(e.exports=o);n.Howler=a;n.Howl=Howl;if(void 0!==t.g){t.g.HowlerGlobal=HowlerGlobal;t.g.Howler=a;t.g.Howl=Howl;t.g.Sound=Sound}else if("undefined"!=typeof window){window.HowlerGlobal=HowlerGlobal;window.Howler=a;window.Howl=Howl;window.Sound=Sound}}();!/*!
 *  Spatial Plugin - Adds support for stereo and 3D audio where Web Audio is supported.
 *  
 *  howler.js v2.2.1
 *  howlerjs.com
 *
 *  (c) 2013-2020, James Simpson of GoldFire Studios
 *  goldfirestudios.com
 *
 *  MIT License
 */function(){"use strict";HowlerGlobal.prototype._pos=[0,0,0];HowlerGlobal.prototype._orientation=[0,0,-1,0,1,0];HowlerGlobal.prototype.stereo=function(e){var n=this;if(!n.ctx||!n.ctx.listener)return n;for(var t=n._howls.length-1;t>=0;t--)n._howls[t].stereo(e);return n};HowlerGlobal.prototype.pos=function(e,n,t){var o=this;if(!o.ctx||!o.ctx.listener)return o;n="number"!=typeof n?o._pos[1]:n;t="number"!=typeof t?o._pos[2]:t;if("number"!=typeof e)return o._pos;o._pos=[e,n,t];if(void 0!==o.ctx.listener.positionX){o.ctx.listener.positionX.setTargetAtTime(o._pos[0],Howler.ctx.currentTime,.1);o.ctx.listener.positionY.setTargetAtTime(o._pos[1],Howler.ctx.currentTime,.1);o.ctx.listener.positionZ.setTargetAtTime(o._pos[2],Howler.ctx.currentTime,.1)}else o.ctx.listener.setPosition(o._pos[0],o._pos[1],o._pos[2]);return o};HowlerGlobal.prototype.orientation=function(e,n,t,o,a,r){var i=this;if(!i.ctx||!i.ctx.listener)return i;var s=i._orientation;n="number"!=typeof n?s[1]:n;t="number"!=typeof t?s[2]:t;o="number"!=typeof o?s[3]:o;a="number"!=typeof a?s[4]:a;r="number"!=typeof r?s[5]:r;if("number"!=typeof e)return s;i._orientation=[e,n,t,o,a,r];if(void 0!==i.ctx.listener.forwardX){i.ctx.listener.forwardX.setTargetAtTime(e,Howler.ctx.currentTime,.1);i.ctx.listener.forwardY.setTargetAtTime(n,Howler.ctx.currentTime,.1);i.ctx.listener.forwardZ.setTargetAtTime(t,Howler.ctx.currentTime,.1);i.ctx.listener.upX.setTargetAtTime(o,Howler.ctx.currentTime,.1);i.ctx.listener.upY.setTargetAtTime(a,Howler.ctx.currentTime,.1);i.ctx.listener.upZ.setTargetAtTime(r,Howler.ctx.currentTime,.1)}else i.ctx.listener.setOrientation(e,n,t,o,a,r);return i};Howl.prototype.init=function(e){return function(n){var t=this;return t._orientation=n.orientation||[1,0,0],t._stereo=n.stereo||null,t._pos=n.pos||null,t._pannerAttr={coneInnerAngle:void 0!==n.coneInnerAngle?n.coneInnerAngle:360,coneOuterAngle:void 0!==n.coneOuterAngle?n.coneOuterAngle:360,coneOuterGain:void 0!==n.coneOuterGain?n.coneOuterGain:0,distanceModel:void 0!==n.distanceModel?n.distanceModel:"inverse",maxDistance:void 0!==n.maxDistance?n.maxDistance:1e4,panningModel:void 0!==n.panningModel?n.panningModel:"HRTF",refDistance:void 0!==n.refDistance?n.refDistance:1,rolloffFactor:void 0!==n.rolloffFactor?n.rolloffFactor:1},t._onstereo=n.onstereo?[{fn:n.onstereo}]:[],t._onpos=n.onpos?[{fn:n.onpos}]:[],t._onorientation=n.onorientation?[{fn:n.onorientation}]:[],e.call(this,n)}}(Howl.prototype.init);Howl.prototype.stereo=function(e,n){var t=this;if(!t._webAudio)return t;if("loaded"!==t._state)return t._queue.push({event:"stereo",action:function(){t.stereo(e,n)}}),t;var o=void 0===Howler.ctx.createStereoPanner?"spatial":"stereo";if(void 0===n){if("number"!=typeof e)return t._stereo;t._stereo=e;t._pos=[e,0,0]}for(var a=t._getSoundIds(n),r=0;r<a.length;r++){var i=t._soundById(a[r]);if(i){if("number"!=typeof e)return i._stereo;i._stereo=e;i._pos=[e,0,0];if(i._node){i._pannerAttr.panningModel="equalpower";i._panner&&i._panner.pan||setupPanner(i,o);if("spatial"===o){if(void 0!==i._panner.positionX){i._panner.positionX.setValueAtTime(e,Howler.ctx.currentTime);i._panner.positionY.setValueAtTime(0,Howler.ctx.currentTime);i._panner.positionZ.setValueAtTime(0,Howler.ctx.currentTime)}else i._panner.setPosition(e,0,0)}else i._panner.pan.setValueAtTime(e,Howler.ctx.currentTime)}t._emit("stereo",i._id)}}return t};Howl.prototype.pos=function(e,n,t,o){var a=this;if(!a._webAudio)return a;if("loaded"!==a._state)return a._queue.push({event:"pos",action:function(){a.pos(e,n,t,o)}}),a;n="number"!=typeof n?0:n;t="number"!=typeof t?-.5:t;if(void 0===o){if("number"!=typeof e)return a._pos;a._pos=[e,n,t]}for(var r=a._getSoundIds(o),i=0;i<r.length;i++){var s=a._soundById(r[i]);if(s){if("number"!=typeof e)return s._pos;s._pos=[e,n,t];if(s._node){(!s._panner||s._panner.pan)&&setupPanner(s,"spatial");if(void 0!==s._panner.positionX){s._panner.positionX.setValueAtTime(e,Howler.ctx.currentTime);s._panner.positionY.setValueAtTime(n,Howler.ctx.currentTime);s._panner.positionZ.setValueAtTime(t,Howler.ctx.currentTime)}else s._panner.setPosition(e,n,t)}a._emit("pos",s._id)}}return a};Howl.prototype.orientation=function(e,n,t,o){var a=this;if(!a._webAudio)return a;if("loaded"!==a._state)return a._queue.push({event:"orientation",action:function(){a.orientation(e,n,t,o)}}),a;n="number"!=typeof n?a._orientation[1]:n;t="number"!=typeof t?a._orientation[2]:t;if(void 0===o){if("number"!=typeof e)return a._orientation;a._orientation=[e,n,t]}for(var r=a._getSoundIds(o),i=0;i<r.length;i++){var s=a._soundById(r[i]);if(s){if("number"!=typeof e)return s._orientation;s._orientation=[e,n,t];if(s._node){if(!s._panner){s._pos||(s._pos=a._pos||[0,0,-.5]);setupPanner(s,"spatial")}if(void 0!==s._panner.orientationX){s._panner.orientationX.setValueAtTime(e,Howler.ctx.currentTime);s._panner.orientationY.setValueAtTime(n,Howler.ctx.currentTime);s._panner.orientationZ.setValueAtTime(t,Howler.ctx.currentTime)}else s._panner.setOrientation(e,n,t)}a._emit("orientation",s._id)}}return a};Howl.prototype.pannerAttr=function(){var e,n,t,o=this,a=arguments;if(!o._webAudio)return o;if(0===a.length)return o._pannerAttr;if(1===a.length){if("object"!=typeof a[0])return(t=o._soundById(parseInt(a[0],10)))?t._pannerAttr:o._pannerAttr;e=a[0];if(void 0===n){e.pannerAttr||(e.pannerAttr={coneInnerAngle:e.coneInnerAngle,coneOuterAngle:e.coneOuterAngle,coneOuterGain:e.coneOuterGain,distanceModel:e.distanceModel,maxDistance:e.maxDistance,refDistance:e.refDistance,rolloffFactor:e.rolloffFactor,panningModel:e.panningModel});o._pannerAttr={coneInnerAngle:void 0!==e.pannerAttr.coneInnerAngle?e.pannerAttr.coneInnerAngle:o._coneInnerAngle,coneOuterAngle:void 0!==e.pannerAttr.coneOuterAngle?e.pannerAttr.coneOuterAngle:o._coneOuterAngle,coneOuterGain:void 0!==e.pannerAttr.coneOuterGain?e.pannerAttr.coneOuterGain:o._coneOuterGain,distanceModel:void 0!==e.pannerAttr.distanceModel?e.pannerAttr.distanceModel:o._distanceModel,maxDistance:void 0!==e.pannerAttr.maxDistance?e.pannerAttr.maxDistance:o._maxDistance,refDistance:void 0!==e.pannerAttr.refDistance?e.pannerAttr.refDistance:o._refDistance,rolloffFactor:void 0!==e.pannerAttr.rolloffFactor?e.pannerAttr.rolloffFactor:o._rolloffFactor,panningModel:void 0!==e.pannerAttr.panningModel?e.pannerAttr.panningModel:o._panningModel}}}else if(2===a.length){e=a[0];n=parseInt(a[1],10)}for(var r=o._getSoundIds(n),i=0;i<r.length;i++){t=o._soundById(r[i]);if(t){var s=t._pannerAttr;s={coneInnerAngle:void 0!==e.coneInnerAngle?e.coneInnerAngle:s.coneInnerAngle,coneOuterAngle:void 0!==e.coneOuterAngle?e.coneOuterAngle:s.coneOuterAngle,coneOuterGain:void 0!==e.coneOuterGain?e.coneOuterGain:s.coneOuterGain,distanceModel:void 0!==e.distanceModel?e.distanceModel:s.distanceModel,maxDistance:void 0!==e.maxDistance?e.maxDistance:s.maxDistance,refDistance:void 0!==e.refDistance?e.refDistance:s.refDistance,rolloffFactor:void 0!==e.rolloffFactor?e.rolloffFactor:s.rolloffFactor,panningModel:void 0!==e.panningModel?e.panningModel:s.panningModel};var f=t._panner;if(f){f.coneInnerAngle=s.coneInnerAngle;f.coneOuterAngle=s.coneOuterAngle;f.coneOuterGain=s.coneOuterGain;f.distanceModel=s.distanceModel;f.maxDistance=s.maxDistance;f.refDistance=s.refDistance;f.rolloffFactor=s.rolloffFactor;f.panningModel=s.panningModel}else{t._pos||(t._pos=o._pos||[0,0,-.5]);setupPanner(t,"spatial")}}}return o};Sound.prototype.init=function(e){return function(){var n=this,t=n._parent;n._orientation=t._orientation;n._stereo=t._stereo;n._pos=t._pos;n._pannerAttr=t._pannerAttr;e.call(this);n._stereo?t.stereo(n._stereo):n._pos&&t.pos(n._pos[0],n._pos[1],n._pos[2],n._id)}}(Sound.prototype.init);Sound.prototype.reset=function(e){return function(){var n=this,t=n._parent;n._orientation=t._orientation;n._stereo=t._stereo;n._pos=t._pos;n._pannerAttr=t._pannerAttr;if(n._stereo)t.stereo(n._stereo);else if(n._pos)t.pos(n._pos[0],n._pos[1],n._pos[2],n._id);else if(n._panner){n._panner.disconnect(0);n._panner=void 0;t._refreshBuffer(n)}return e.call(this)}}(Sound.prototype.reset);var setupPanner=function(e,n){n=n||"spatial";if("spatial"===n){e._panner=Howler.ctx.createPanner();e._panner.coneInnerAngle=e._pannerAttr.coneInnerAngle;e._panner.coneOuterAngle=e._pannerAttr.coneOuterAngle;e._panner.coneOuterGain=e._pannerAttr.coneOuterGain;e._panner.distanceModel=e._pannerAttr.distanceModel;e._panner.maxDistance=e._pannerAttr.maxDistance;e._panner.refDistance=e._pannerAttr.refDistance;e._panner.rolloffFactor=e._pannerAttr.rolloffFactor;e._panner.panningModel=e._pannerAttr.panningModel;if(void 0!==e._panner.positionX){e._panner.positionX.setValueAtTime(e._pos[0],Howler.ctx.currentTime);e._panner.positionY.setValueAtTime(e._pos[1],Howler.ctx.currentTime);e._panner.positionZ.setValueAtTime(e._pos[2],Howler.ctx.currentTime)}else e._panner.setPosition(e._pos[0],e._pos[1],e._pos[2]);if(void 0!==e._panner.orientationX){e._panner.orientationX.setValueAtTime(e._orientation[0],Howler.ctx.currentTime);e._panner.orientationY.setValueAtTime(e._orientation[1],Howler.ctx.currentTime);e._panner.orientationZ.setValueAtTime(e._orientation[2],Howler.ctx.currentTime)}else e._panner.setOrientation(e._orientation[0],e._orientation[1],e._orientation[2])}else{e._panner=Howler.ctx.createStereoPanner();e._panner.pan.setValueAtTime(e._stereo,Howler.ctx.currentTime)}e._panner.connect(e._node);e._paused||e._parent.pause(e._id,!0).play(e._id,!0)}}()}}]);