diff --git a/www/webxdc/assets/index-legacy-CpC3q1r5.js b/www/webxdc/assets/index-legacy-CpC3q1r5.js
new file mode 100644
index 000000000..11799fd4a
--- /dev/null
+++ b/www/webxdc/assets/index-legacy-CpC3q1r5.js
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+/**
+       * @license
+       * Copyright (c) 2023, Jeff Hlywa (jhlywa@gmail.com)
+       * All rights reserved.
+       *
+       * Redistribution and use in source and binary forms, with or without
+       * modification, are permitted provided that the following conditions are met:
+       *
+       * 1. Redistributions of source code must retain the above copyright notice,
+       *    this list of conditions and the following disclaimer.
+       * 2. Redistributions in binary form must reproduce the above copyright notice,
+       *    this list of conditions and the following disclaimer in the documentation
+       *    and/or other materials provided with the distribution.
+       *
+       * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+       * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+       * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+       * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+       * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+       * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+       * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+       * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+       * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+       * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+       * POSSIBILITY OF SUCH DAMAGE.
+       */
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does not contain 8 '/'-delimited rows"};for(var i=0;i<o.length;i++){for(var a=0,s=!1,l=0;l<o[i].length;l++)if(T(o[i][l])){if(s)return{ok:!1,error:"Invalid FEN: piece data is invalid (consecutive number)"};a+=parseInt(o[i][l],10),s=!0}else{if(!/^[prnbqkPRNBQK]$/.test(o[i][l]))return{ok:!1,error:"Invalid FEN: piece data is invalid (invalid piece)"};a+=1,s=!1}if(8!==a)return{ok:!1,error:"Invalid FEN: piece data is invalid (too many squares in rank)"}}if("3"==t[3][1]&&"w"==t[1]||"6"==t[3][1]&&"b"==t[1])return{ok:!1,error:"Invalid FEN: illegal en-passant square"};for(var u=0,c=[{color:"white",regex:/K/g},{color:"black",regex:/k/g}];u<c.length;u++){var f=c[u],d=f.color,h=f.regex;if(!h.test(t[0]))return{ok:!1,error:"Invalid FEN: missing ".concat(d," king")};if((t[0].match(h)||[]).length>1)return{ok:!1,error:"Invalid FEN: too many ".concat(d," kings")}}return Array.from(o[0]+o[7]).some((function(e){return"P"===e.toUpperCase()}))?{ok:!1,error:"Invalid FEN: some pawns are on the edge rows"}:{ok:!0}}(e),c=u.ok,f=u.error;if(!c)throw new Error(f)}var d=l[0],h=0;this.clear({preserveHeaders:i});for(var v=0;v<d.length;v++){var b=d.charAt(v);if("/"===b)h+=8;else if(T(b))h+=parseInt(b,10);else{var y=b<"a"?a:s;this._put({type:b.toLowerCase(),color:y},O(h)),h++}}this._turn=l[1],l[2].indexOf("K")>-1&&(this._castling.w|=m.KSIDE_CASTLE),l[2].indexOf("Q")>-1&&(this._castling.w|=m.QSIDE_CASTLE),l[2].indexOf("k")>-1&&(this._castling.b|=m.KSIDE_CASTLE),l[2].indexOf("q")>-1&&(this._castling.b|=m.QSIDE_CASTLE),this._epSquare="-"===l[3]?p:g[l[3]],this._halfMoves=parseInt(l[4],10),this._moveNumber=parseInt(l[5],10),this._updateSetup(e),this._incPositionCount(e)}},{key:"fen",value:function(){for(var e=0,t="",r=g.a8;r<=g.h1;r++){if(this._board[r]){e>0&&(t+=e,e=0);var n=this._board[r],o=n.color,i=n.type;t+=o===a?i.toUpperCase():i.toLowerCase()}else e++;r+1&136&&(e>0&&(t+=e),r!==g.h1&&(t+="/"),e=0,r+=8)}var u="";this._castling[a]&m.KSIDE_CASTLE&&(u+="K"),this._castling[a]&m.QSIDE_CASTLE&&(u+="Q"),this._castling[s]&m.KSIDE_CASTLE&&(u+="k"),this._castling[s]&m.QSIDE_CASTLE&&(u+="q"),u=u||"-";var c="-";if(this._epSquare!==p)for(var f=this._epSquare+(this._turn===a?16:-16),d=0,h=[f+1,f-1];d<h.length;d++){var v,b,y=h[d];if(!(136&y)){var w=this._turn;if((null===(v=this._board[y])||void 0===v?void 0:v.color)===w&&(null===(b=this._board[y])||void 0===b?void 0:b.type)===l){this._makeMove({color:w,from:y,to:this._epSquare,piece:l,captured:l,flags:m.EP_CAPTURE});var _=!this._isKingAttacked(w);if(this._undoMove(),_){c=O(this._epSquare);break}}}}return[t,this._turn,u,c,this._halfMoves,this._moveNumber].join(" ")}},{key:"_updateSetup",value:function(e){this._history.length>0||(e!==h?(this._header.SetUp="1",this._header.FEN=e):(delete this._header.SetUp,delete this._header.FEN))}},{key:"reset",value:function(){this.load(h)}},{key:"get",value:function(e){return this._board[g[e]]||!1}},{key:"put",value:function(e,t){var r=e.type,n=e.color;return!!this._put({type:r,color:n},t)&&(this._updateCastlingRights(),this._updateEnPassantSquare(),this._updateSetup(this.fen()),!0)}},{key:"_put",value:function(e,t){var r=e.type,n=e.color;if(-1==="pnbrqkPNBRQK".indexOf(r.toLowerCase()))return!1;if(!(t in g))return!1;var o=g[t];if(r==d&&this._kings[n]!=p&&this._kings[n]!=o)return!1;var i=this._board[o];return i&&i.type===d&&(this._kings[i.color]=p),this._board[o]={type:r,color:n},r===d&&(this._kings[n]=o),!0}},{key:"remove",value:function(e){var t=this.get(e);return delete this._board[g[e]],t&&t.type===d&&(this._kings[t.color]=p),this._updateCastlingRights(),this._updateEnPassantSquare(),this._updateSetup(this.fen()),t}},{key:"_updateCastlingRights",value:function(){var e,t,r,n,o,i,l,u,f,h,p,v,b=(null===(e=this._board[g.e1])||void 0===e?void 0:e.type)===d&&(null===(t=this._board[g.e1])||void 0===t?void 0:t.color)===a,y=(null===(r=this._board[g.e8])||void 0===r?void 0:r.type)===d&&(null===(n=this._board[g.e8])||void 0===n?void 0:n.color)===s;b&&(null===(o=this._board[g.a1])||void 0===o?void 0:o.type)===c&&(null===(i=this._board[g.a1])||void 0===i?void 0:i.color)===a||(this._castling.w&=~m.QSIDE_CASTLE),b&&(null===(l=this._board[g.h1])||void 0===l?void 0:l.type)===c&&(null===(u=this._board[g.h1])||void 0===u?void 0:u.color)===a||(this._castling.w&=~m.KSIDE_CASTLE),y&&(null===(f=this._board[g.a8])||void 0===f?void 0:f.type)===c&&(null===(h=this._board[g.a8])||void 0===h?void 0:h.color)===s||(this._castling.b&=~m.QSIDE_CASTLE),y&&(null===(p=this._board[g.h8])||void 0===p?void 0:p.type)===c&&(null===(v=this._board[g.h8])||void 0===v?void 0:v.color)===s||(this._castling.b&=~m.KSIDE_CASTLE)}},{key:"_updateEnPassantSquare",value:function(){var e,t,r=this;if(this._epSquare!==p){var n=this._epSquare+(this._turn===a?-16:16),o=this._epSquare+(this._turn===a?16:-16),i=[o+1,o-1];null===this._board[n]&&null===this._board[this._epSquare]&&(null===(e=this._board[o])||void 0===e?void 0:e.color)===q(this._turn)&&(null===(t=this._board[o])||void 0===t?void 0:t.type)===l&&i.some((function(e){var t,n;return!(136&e)&&(null===(t=r._board[e])||void 0===t?void 0:t.color)===r._turn&&(null===(n=r._board[e])||void 0===n?void 0:n.type)===l}))||(this._epSquare=p)}}},{key:"_attacked",value:function(e,t){for(var r=g.a8;r<=g.h1;r++)if(136&r)r+=7;else if(void 0!==this._board[r]&&this._board[r].color===e){var n=this._board[r],o=r-t;if(0!==o){var i=o+119;if(w[i]&k[n.type]){if(n.type===l){if(o>0){if(n.color===a)return!0}else if(n.color===s)return!0;continue}if("n"===n.type||"k"===n.type)return!0;for(var u=_[i],c=r+u,f=!1;c!==t;){if(null!=this._board[c]){f=!0;break}c+=u}if(!f)return!0}}}return!1}},{key:"_isKingAttacked",value:function(e){var t=this._kings[e];return-1!==t&&this._attacked(q(e),t)}},{key:"isAttacked",value:function(e,t){return this._attacked(t,g[e])}},{key:"isCheck",value:function(){return this._isKingAttacked(this._turn)}},{key:"inCheck",value:function(){return this.isCheck()}},{key:"isCheckmate",value:function(){return this.isCheck()&&0===this._moves().length}},{key:"isStalemate",value:function(){return!this.isCheck()&&0===this._moves().length}},{key:"isInsufficientMaterial",value:function(){for(var e={b:0,n:0,r:0,q:0,k:0,p:0},t=[],r=0,n=0,o=g.a8;o<=g.h1;o++)if(n=(n+1)%2,136&o)o+=7;else{var i=this._board[o];i&&(e[i.type]=i.type in e?e[i.type]+1:1,i.type===u&&t.push(n),r++)}if(2===r)return!0;if(3===r&&(1===e[u]||1===e.n))return!0;if(r===e[u]+2){for(var a=0,s=t.length,l=0;l<s;l++)a+=t[l];if(0===a||a===s)return!0}return!1}},{key:"isThreefoldRepetition",value:function(){return this._getPositionCount(this.fen())>=3}},{key:"isDraw",value:function(){return this._halfMoves>=100||this.isStalemate()||this.isInsufficientMaterial()||this.isThreefoldRepetition()}},{key:"isGameOver",value:function(){return this.isCheckmate()||this.isStalemate()||this.isDraw()}},{key:"moves",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},r=t.verbose,n=void 0!==r&&r,o=t.square,i=void 0===o?void 0:o,a=t.piece,s=void 0===a?void 0:a,l=this._moves({square:i,piece:s});return n?l.map((function(t){return e._makePretty(t)})):l.map((function(t){return e._moveToSan(t,l)}))}},{key:"_moves",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.legal,r=void 0===t||t,n=e.piece,o=void 0===n?void 0:n,i=e.square,a=void 0===i?void 0:i,s=a?a.toLowerCase():void 0,u=null==o?void 0:o.toLowerCase(),c=[],f=this._turn,h=q(f),p=g.a8,v=g.h1,w=!1;if(s){if(!(s in g))return[];p=v=g[s],w=!0}for(var _=p;_<=v;_++)if(136&_)_+=7;else if(this._board[_]&&this._board[_].color!==h){var k=this._board[_].type,x=void 0;if(k===l){if(u&&u!==k)continue;x=_+b[f][0],this._board[x]||(I(c,f,_,x,l),x=_+b[f][1],C[f]!==P(_)||this._board[x]||I(c,f,_,x,l,void 0,m.BIG_PAWN));for(var S=2;S<4;S++){var E;136&(x=_+b[f][S])||((null===(E=this._board[x])||void 0===E?void 0:E.color)===h?I(c,f,_,x,l,this._board[x].type,m.CAPTURE):x===this._epSquare&&I(c,f,_,x,l,l,m.EP_CAPTURE))}}else{if(u&&u!==k)continue;for(var A=0,N=y[k].length;A<N;A++){var T=y[k][A];for(x=_;!(136&(x+=T));){if(this._board[x]){if(this._board[x].color===f)break;I(c,f,_,x,k,this._board[x].type,m.CAPTURE);break}if(I(c,f,_,x,k),"n"===k||k===d)break}}}}if(!(void 0!==u&&u!==d||w&&v!==this._kings[f])){if(this._castling[f]&m.KSIDE_CASTLE){var O=this._kings[f],L=O+2;this._board[O+1]||this._board[L]||this._attacked(h,this._kings[f])||this._attacked(h,O+1)||this._attacked(h,L)||I(c,f,this._kings[f],L,d,void 0,m.KSIDE_CASTLE)}if(this._castling[f]&m.QSIDE_CASTLE){var j=this._kings[f],R=j-2;this._board[j-1]||this._board[j-2]||this._board[j-3]||this._attacked(h,this._kings[f])||this._attacked(h,j-1)||this._attacked(h,R)||I(c,f,this._kings[f],R,d,void 0,m.QSIDE_CASTLE)}}if(!r||-1===this._kings[f])return c;for(var M=[],D=0,z=c.length;D<z;D++)this._makeMove(c[D]),this._isKingAttacked(f)||M.push(c[D]),this._undoMove();return M}},{key:"move",value:function(e){var r=(arguments.length>1&&void 0!==arguments[1]?arguments[1]:{}).strict,n=void 0!==r&&r,o=null;if("string"==typeof e)o=this._moveFromSan(e,n);else if("object"===t(e))for(var i=this._moves(),a=0,s=i.length;a<s;a++)if(e.from===O(i[a].from)&&e.to===O(i[a].to)&&(!("promotion"in i[a])||e.promotion===i[a].promotion)){o=i[a];break}if(!o)throw"string"==typeof e?new Error("Invalid move: ".concat(e)):new Error("Invalid move: ".concat(JSON.stringify(e)));var l=this._makePretty(o);return this._makeMove(o),this._incPositionCount(l.after),l}},{key:"_push",value:function(e){this._history.push({move:e,kings:{b:this._kings.b,w:this._kings.w},turn:this._turn,castling:{b:this._castling.b,w:this._castling.w},epSquare:this._epSquare,halfMoves:this._halfMoves,moveNumber:this._moveNumber})}},{key:"_makeMove",value:function(e){var t=this._turn,r=q(t);if(this._push(e),this._board[e.to]=this._board[e.from],delete this._board[e.from],e.flags&m.EP_CAPTURE&&(this._turn===s?delete this._board[e.to-16]:delete this._board[e.to+16]),e.promotion&&(this._board[e.to]={type:e.promotion,color:t}),this._board[e.to].type===d){if(this._kings[t]=e.to,e.flags&m.KSIDE_CASTLE){var n=e.to-1,o=e.to+1;this._board[n]=this._board[o],delete this._board[o]}else if(e.flags&m.QSIDE_CASTLE){var i=e.to+1,a=e.to-2;this._board[i]=this._board[a],delete this._board[a]}this._castling[t]=0}if(this._castling[t])for(var u=0,c=E[t].length;u<c;u++)if(e.from===E[t][u].square&&this._castling[t]&E[t][u].flag){this._castling[t]^=E[t][u].flag;break}if(this._castling[r])for(var f=0,h=E[r].length;f<h;f++)if(e.to===E[r][f].square&&this._castling[r]&E[r][f].flag){this._castling[r]^=E[r][f].flag;break}e.flags&m.BIG_PAWN?this._epSquare=t===s?e.to-16:e.to+16:this._epSquare=p,e.piece===l||e.flags&(m.CAPTURE|m.EP_CAPTURE)?this._halfMoves=0:this._halfMoves++,t===s&&this._moveNumber++,this._turn=r}},{key:"undo",value:function(){var e=this._undoMove();if(e){var t=this._makePretty(e);return this._decPositionCount(t.after),t}return null}},{key:"_undoMove",value:function(){var e=this._history.pop();if(void 0===e)return null;var t=e.move;this._kings=e.kings,this._turn=e.turn,this._castling=e.castling,this._epSquare=e.epSquare,this._halfMoves=e.halfMoves,this._moveNumber=e.moveNumber;var r,n,o,i=this._turn,a=q(i);return this._board[t.from]=this._board[t.to],this._board[t.from].type=t.piece,delete this._board[t.to],t.captured&&(t.flags&m.EP_CAPTURE?(r=i===s?t.to-16:t.to+16,this._board[r]={type:l,color:a}):this._board[t.to]={type:t.captured,color:a}),t.flags&(m.KSIDE_CASTLE|m.QSIDE_CASTLE)&&(t.flags&m.KSIDE_CASTLE?(n=t.to+1,o=t.to-1):(n=t.to-2,o=t.to+1),this._board[n]=this._board[o],delete this._board[o]),t}},{key:"pgn",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},r=t.newline,n=void 0===r?"\n":r,o=t.maxWidth,a=void 0===o?0:o,s=[],l=!1;for(var u in this._header)s.push("["+u+' "'+this._header[u]+'"]'+n),l=!0;l&&this._history.length&&s.push(n);for(var c=function(t){var r=e._comments[e.fen()];if(void 0!==r){var n=t.length>0?" ":"";t="".concat(t).concat(n,"{").concat(r,"}")}return t},f=[];this._history.length>0;)f.push(this._undoMove());var d=[],h="";for(0===f.length&&d.push(c(""));f.length>0;){h=c(h);var p=f.pop();if(!p)break;if(this._history.length||"b"!==p.color)"w"===p.color&&(h.length&&d.push(h),h=this._moveNumber+".");else{var v="".concat(this._moveNumber,". ...");h=h?"".concat(h," ").concat(v):v}h=h+" "+this._moveToSan(p,this._moves({legal:!0})),this._makeMove(p)}if(h.length&&d.push(c(h)),void 0!==this._header.Result&&d.push(this._header.Result),0===a)return s.join("")+d.join(" ");for(var m=function(){return s.length>0&&" "===s[s.length-1]&&(s.pop(),!0)},g=function(e,t){var r,o=i(t.split(" "));try{for(o.s();!(r=o.n()).done;){var l=r.value;if(l){if(e+l.length>a){for(;m();)e--;s.push(n),e=0}s.push(l),e+=l.length,s.push(" "),e++}}}catch(u){o.e(u)}finally{o.f()}return m()&&e--,e},b=0,y=0;y<d.length;y++)b+d[y].length>a&&d[y].includes("{")?b=g(b,d[y]):(b+d[y].length>a&&0!==y?(" 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diff --git a/www/webxdc/assets/polyfills-legacy-Op9eHCRg.js b/www/webxdc/assets/polyfills-legacy-Op9eHCRg.js
new file mode 100644
index 000000000..06074c318
--- /dev/null
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="45" height="45">
+  <g style="opacity:1; fill:none; fill-opacity:1; fill-rule:evenodd; stroke:#000000; stroke-width:1.5; stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;" transform="translate(0,0.3)">
+    <path
+      d="M 22,10 C 32.5,11 38.5,18 38,39 L 15,39 C 15,30 25,32.5 23,18"
+      style="fill:#000000; stroke:#000000;" />
+    <path
+      d="M 24,18 C 24.38,20.91 18.45,25.37 16,27 C 13,29 13.18,31.34 11,31 C 9.958,30.06 12.41,27.96 11,28 C 10,28 11.19,29.23 10,30 C 9,30 5.997,31 6,26 C 6,24 12,14 12,14 C 12,14 13.89,12.1 14,10.5 C 13.27,9.506 13.5,8.5 13.5,7.5 C 14.5,6.5 16.5,10 16.5,10 L 18.5,10 C 18.5,10 19.28,8.008 21,7 C 22,7 22,10 22,10"
+      style="fill:#000000; stroke:#000000;" />
+    <path
+      d="M 9.5 25.5 A 0.5 0.5 0 1 1 8.5,25.5 A 0.5 0.5 0 1 1 9.5 25.5 z"
+      style="fill:#ffffff; stroke:#ffffff;" />
+    <path
+      d="M 15 15.5 A 0.5 1.5 0 1 1  14,15.5 A 0.5 1.5 0 1 1  15 15.5 z"
+      transform="matrix(0.866,0.5,-0.5,0.866,9.693,-5.173)"
+      style="fill:#ffffff; stroke:#ffffff;" />
+    <path
+      d="M 24.55,10.4 L 24.1,11.85 L 24.6,12 C 27.75,13 30.25,14.49 32.5,18.75 C 34.75,23.01 35.75,29.06 35.25,39 L 35.2,39.5 L 37.45,39.5 L 37.5,39 C 38,28.94 36.62,22.15 34.25,17.66 C 31.88,13.17 28.46,11.02 25.06,10.5 L 24.55,10.4 z "
+      style="fill:#ffffff; stroke:none;" />
+  </g>
+</svg>
diff --git a/www/webxdc/img/bP.svg b/www/webxdc/img/bP.svg
new file mode 100644
index 000000000..b534de8f7
--- /dev/null
+++ b/www/webxdc/img/bP.svg
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="45" height="45">
+  <path d="m 22.5,9 c -2.21,0 -4,1.79 -4,4 0,0.89 0.29,1.71 0.78,2.38 C 17.33,16.5 16,18.59 16,21 c 0,2.03 0.94,3.84 2.41,5.03 C 15.41,27.09 11,31.58 11,39.5 H 34 C 34,31.58 29.59,27.09 26.59,26.03 28.06,24.84 29,23.03 29,21 29,18.59 27.67,16.5 25.72,15.38 26.21,14.71 26.5,13.89 26.5,13 c 0,-2.21 -1.79,-4 -4,-4 z" style="opacity:1; fill:#000000; fill-opacity:1; fill-rule:nonzero; stroke:#000000; stroke-width:1.5; stroke-linecap:round; stroke-linejoin:miter; stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;"/>
+</svg>
diff --git a/www/webxdc/img/bQ.svg b/www/webxdc/img/bQ.svg
new file mode 100644
index 000000000..e55773452
--- /dev/null
+++ b/www/webxdc/img/bQ.svg
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="45"
+height="45">
+  <g style="fill:#000000;stroke:#000000;stroke-width:1.5; stroke-linecap:round;stroke-linejoin:round">
+
+    <path d="M 9,26 C 17.5,24.5 30,24.5 36,26 L 38.5,13.5 L 31,25 L 30.7,10.9 L 25.5,24.5 L 22.5,10 L 19.5,24.5 L 14.3,10.9 L 14,25 L 6.5,13.5 L 9,26 z"
+    style="stroke-linecap:butt;fill:#000000" />
+    <path d="m 9,26 c 0,2 1.5,2 2.5,4 1,1.5 1,1 0.5,3.5 -1.5,1 -1,2.5 -1,2.5 -1.5,1.5 0,2.5 0,2.5 6.5,1 16.5,1 23,0 0,0 1.5,-1 0,-2.5 0,0 0.5,-1.5 -1,-2.5 -0.5,-2.5 -0.5,-2 0.5,-3.5 1,-2 2.5,-2 2.5,-4 -8.5,-1.5 -18.5,-1.5 -27,0 z" />
+    <path d="M 11.5,30 C 15,29 30,29 33.5,30" />
+    <path d="m 12,33.5 c 6,-1 15,-1 21,0" />
+    <circle cx="6" cy="12" r="2" />
+    <circle cx="14" cy="9" r="2" />
+    <circle cx="22.5" cy="8" r="2" />
+    <circle cx="31" cy="9" r="2" />
+    <circle cx="39" cy="12" r="2" />
+    <path d="M 11,38.5 A 35,35 1 0 0 34,38.5"
+    style="fill:none; stroke:#000000;stroke-linecap:butt;" />
+    <g style="fill:none; stroke:#ffffff;">
+      <path d="M 11,29 A 35,35 1 0 1 34,29" />
+      <path d="M 12.5,31.5 L 32.5,31.5" />
+      <path d="M 11.5,34.5 A 35,35 1 0 0 33.5,34.5" />
+      <path d="M 10.5,37.5 A 35,35 1 0 0 34.5,37.5" />
+    </g>
+  </g>
+</svg>
diff --git a/www/webxdc/img/bR.svg b/www/webxdc/img/bR.svg
new file mode 100644
index 000000000..4eec43c42
--- /dev/null
+++ b/www/webxdc/img/bR.svg
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="45" height="45">
+  <g style="opacity:1; fill:#000000; fill-opacity:1; fill-rule:evenodd; stroke:#000000; stroke-width:1.5; stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;" transform="translate(0,0.3)">
+    <path
+      d="M 9,39 L 36,39 L 36,36 L 9,36 L 9,39 z "
+      style="stroke-linecap:butt;" />
+    <path
+      d="M 12.5,32 L 14,29.5 L 31,29.5 L 32.5,32 L 12.5,32 z "
+      style="stroke-linecap:butt;" />
+    <path
+      d="M 12,36 L 12,32 L 33,32 L 33,36 L 12,36 z "
+      style="stroke-linecap:butt;" />
+    <path
+      d="M 14,29.5 L 14,16.5 L 31,16.5 L 31,29.5 L 14,29.5 z "
+      style="stroke-linecap:butt;stroke-linejoin:miter;" />
+    <path
+      d="M 14,16.5 L 11,14 L 34,14 L 31,16.5 L 14,16.5 z "
+      style="stroke-linecap:butt;" />
+    <path
+      d="M 11,14 L 11,9 L 15,9 L 15,11 L 20,11 L 20,9 L 25,9 L 25,11 L 30,11 L 30,9 L 34,9 L 34,14 L 11,14 z "
+      style="stroke-linecap:butt;" />
+    <path
+      d="M 12,35.5 L 33,35.5 L 33,35.5"
+      style="fill:none; stroke:#ffffff; stroke-width:1; stroke-linejoin:miter;" />
+    <path
+      d="M 13,31.5 L 32,31.5"
+      style="fill:none; stroke:#ffffff; stroke-width:1; stroke-linejoin:miter;" />
+    <path
+      d="M 14,29.5 L 31,29.5"
+      style="fill:none; stroke:#ffffff; stroke-width:1; stroke-linejoin:miter;" />
+    <path
+      d="M 14,16.5 L 31,16.5"
+      style="fill:none; stroke:#ffffff; stroke-width:1; stroke-linejoin:miter;" />
+    <path
+      d="M 11,14 L 34,14"
+      style="fill:none; stroke:#ffffff; stroke-width:1; stroke-linejoin:miter;" />
+  </g>
+</svg>
diff --git a/www/webxdc/img/board-background.png b/www/webxdc/img/board-background.png
new file mode 100644
index 000000000..c85894520
Binary files /dev/null and b/www/webxdc/img/board-background.png differ
diff --git a/www/webxdc/img/wB.svg b/www/webxdc/img/wB.svg
new file mode 100644
index 000000000..1fcc90b0b
--- /dev/null
+++ b/www/webxdc/img/wB.svg
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="45" height="45">
+  <g style="opacity:1; fill:none; fill-rule:evenodd; fill-opacity:1; stroke:#000000; stroke-width:1.5; stroke-linecap:round; stroke-linejoin:round; stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;" transform="translate(0,0.6)">>
+    <g style="fill:#ffffff; stroke:#000000; stroke-linecap:butt;">
+      <path d="M 9,36 C 12.39,35.03 19.11,36.43 22.5,34 C 25.89,36.43 32.61,35.03 36,36 C 36,36 37.65,36.54 39,38 C 38.32,38.97 37.35,38.99 36,38.5 C 32.61,37.53 25.89,38.96 22.5,37.5 C 19.11,38.96 12.39,37.53 9,38.5 C 7.65,38.99 6.68,38.97 6,38 C 7.35,36.54 9,36 9,36 z"/>
+      <path d="M 15,32 C 17.5,34.5 27.5,34.5 30,32 C 30.5,30.5 30,30 30,30 C 30,27.5 27.5,26 27.5,26 C 33,24.5 33.5,14.5 22.5,10.5 C 11.5,14.5 12,24.5 17.5,26 C 17.5,26 15,27.5 15,30 C 15,30 14.5,30.5 15,32 z"/>
+      <path d="M 25 8 A 2.5 2.5 0 1 1  20,8 A 2.5 2.5 0 1 1  25 8 z"/>
+    </g>
+    <path d="M 17.5,26 L 27.5,26 M 15,30 L 30,30 M 22.5,15.5 L 22.5,20.5 M 20,18 L 25,18" style="fill:none; stroke:#000000; stroke-linejoin:miter;"/>
+  </g>
+</svg>
diff --git a/www/webxdc/img/wK.svg b/www/webxdc/img/wK.svg
new file mode 100644
index 000000000..16f96e49e
--- /dev/null
+++ b/www/webxdc/img/wK.svg
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="45" height="45">
+  <g style="fill:none; fill-opacity:1; fill-rule:evenodd; stroke:#000000; stroke-width:1.5; stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;">
+    <path d="M 22.5,11.63 L 22.5,6" style="fill:none; stroke:#000000; stroke-linejoin:miter;"/>
+    <path d="M 20,8 L 25,8" style="fill:none; stroke:#000000; stroke-linejoin:miter;"/>
+    <path d="M 22.5,25 C 22.5,25 27,17.5 25.5,14.5 C 25.5,14.5 24.5,12 22.5,12 C 20.5,12 19.5,14.5 19.5,14.5 C 18,17.5 22.5,25 22.5,25" style="fill:#ffffff; stroke:#000000; stroke-linecap:butt; stroke-linejoin:miter;"/>
+    <path d="M 12.5,37 C 18,40.5 27,40.5 32.5,37 L 32.5,30 C 32.5,30 41.5,25.5 38.5,19.5 C 34.5,13 25,16 22.5,23.5 L 22.5,27 L 22.5,23.5 C 20,16 10.5,13 6.5,19.5 C 3.5,25.5 12.5,30 12.5,30 L 12.5,37" style="fill:#ffffff; stroke:#000000;"/>
+    <path d="M 12.5,30 C 18,27 27,27 32.5,30" style="fill:none; stroke:#000000;"/>
+    <path d="M 12.5,33.5 C 18,30.5 27,30.5 32.5,33.5" style="fill:none; stroke:#000000;"/>
+    <path d="M 12.5,37 C 18,34 27,34 32.5,37" style="fill:none; stroke:#000000;"/>
+  </g>
+</svg>
\ No newline at end of file
diff --git a/www/webxdc/img/wN.svg b/www/webxdc/img/wN.svg
new file mode 100644
index 000000000..92feeee00
--- /dev/null
+++ b/www/webxdc/img/wN.svg
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="45" height="45">
+  <g style="opacity:1; fill:none; fill-opacity:1; fill-rule:evenodd; stroke:#000000; stroke-width:1.5; stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;" transform="translate(0,0.3)">
+    <path
+      d="M 22,10 C 32.5,11 38.5,18 38,39 L 15,39 C 15,30 25,32.5 23,18"
+      style="fill:#ffffff; stroke:#000000;" />
+    <path
+      d="M 24,18 C 24.38,20.91 18.45,25.37 16,27 C 13,29 13.18,31.34 11,31 C 9.958,30.06 12.41,27.96 11,28 C 10,28 11.19,29.23 10,30 C 9,30 5.997,31 6,26 C 6,24 12,14 12,14 C 12,14 13.89,12.1 14,10.5 C 13.27,9.506 13.5,8.5 13.5,7.5 C 14.5,6.5 16.5,10 16.5,10 L 18.5,10 C 18.5,10 19.28,8.008 21,7 C 22,7 22,10 22,10"
+      style="fill:#ffffff; stroke:#000000;" />
+    <path
+      d="M 9.5 25.5 A 0.5 0.5 0 1 1 8.5,25.5 A 0.5 0.5 0 1 1 9.5 25.5 z"
+      style="fill:#000000; stroke:#000000;" />
+    <path
+      d="M 15 15.5 A 0.5 1.5 0 1 1  14,15.5 A 0.5 1.5 0 1 1  15 15.5 z"
+      transform="matrix(0.866,0.5,-0.5,0.866,9.693,-5.173)"
+      style="fill:#000000; stroke:#000000;" />
+  </g>
+</svg>
diff --git a/www/webxdc/img/wP.svg b/www/webxdc/img/wP.svg
new file mode 100644
index 000000000..b265fe1b4
--- /dev/null
+++ b/www/webxdc/img/wP.svg
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="45" height="45">
+  <path d="m 22.5,9 c -2.21,0 -4,1.79 -4,4 0,0.89 0.29,1.71 0.78,2.38 C 17.33,16.5 16,18.59 16,21 c 0,2.03 0.94,3.84 2.41,5.03 C 15.41,27.09 11,31.58 11,39.5 H 34 C 34,31.58 29.59,27.09 26.59,26.03 28.06,24.84 29,23.03 29,21 29,18.59 27.67,16.5 25.72,15.38 26.21,14.71 26.5,13.89 26.5,13 c 0,-2.21 -1.79,-4 -4,-4 z" style="opacity:1; fill:#ffffff; fill-opacity:1; fill-rule:nonzero; stroke:#000000; stroke-width:1.5; stroke-linecap:round; stroke-linejoin:miter; stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;"/>
+</svg>
diff --git a/www/webxdc/img/wQ.svg b/www/webxdc/img/wQ.svg
new file mode 100644
index 000000000..8df7c8f92
--- /dev/null
+++ b/www/webxdc/img/wQ.svg
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="45" height="45">
+  <g style="fill:#ffffff;stroke:#000000;stroke-width:1.5;stroke-linejoin:round">
+    <path d="M 9,26 C 17.5,24.5 30,24.5 36,26 L 38.5,13.5 L 31,25 L 30.7,10.9 L 25.5,24.5 L 22.5,10 L 19.5,24.5 L 14.3,10.9 L 14,25 L 6.5,13.5 L 9,26 z"/>
+    <path d="M 9,26 C 9,28 10.5,28 11.5,30 C 12.5,31.5 12.5,31 12,33.5 C 10.5,34.5 11,36 11,36 C 9.5,37.5 11,38.5 11,38.5 C 17.5,39.5 27.5,39.5 34,38.5 C 34,38.5 35.5,37.5 34,36 C 34,36 34.5,34.5 33,33.5 C 32.5,31 32.5,31.5 33.5,30 C 34.5,28 36,28 36,26 C 27.5,24.5 17.5,24.5 9,26 z"/>
+    <path d="M 11.5,30 C 15,29 30,29 33.5,30" style="fill:none"/>
+    <path d="M 12,33.5 C 18,32.5 27,32.5 33,33.5" style="fill:none"/>
+    <circle cx="6" cy="12" r="2" />
+    <circle cx="14" cy="9" r="2" />
+    <circle cx="22.5" cy="8" r="2" />
+    <circle cx="31" cy="9" r="2" />
+    <circle cx="39" cy="12" r="2" />
+  </g>
+</svg>
diff --git a/www/webxdc/img/wR.svg b/www/webxdc/img/wR.svg
new file mode 100644
index 000000000..ac03578ec
--- /dev/null
+++ b/www/webxdc/img/wR.svg
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="45" height="45">
+  <g style="opacity:1; fill:#ffffff; fill-opacity:1; fill-rule:evenodd; stroke:#000000; stroke-width:1.5; stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;" transform="translate(0,0.3)">
+    <path
+      d="M 9,39 L 36,39 L 36,36 L 9,36 L 9,39 z "
+      style="stroke-linecap:butt;" />
+    <path
+      d="M 12,36 L 12,32 L 33,32 L 33,36 L 12,36 z "
+      style="stroke-linecap:butt;" />
+    <path
+      d="M 11,14 L 11,9 L 15,9 L 15,11 L 20,11 L 20,9 L 25,9 L 25,11 L 30,11 L 30,9 L 34,9 L 34,14"
+      style="stroke-linecap:butt;" />
+    <path
+      d="M 34,14 L 31,17 L 14,17 L 11,14" />
+    <path
+      d="M 31,17 L 31,29.5 L 14,29.5 L 14,17"
+      style="stroke-linecap:butt; stroke-linejoin:miter;" />
+    <path
+      d="M 31,29.5 L 32.5,32 L 12.5,32 L 14,29.5" />
+    <path
+      d="M 11,14 L 34,14"
+      style="fill:none; stroke:#000000; stroke-linejoin:miter;" />
+  </g>
+</svg>
diff --git a/www/webxdc/index.html b/www/webxdc/index.html
index 93b2d794b..ea35f9bc2 100644
--- a/www/webxdc/index.html
+++ b/www/webxdc/index.html
@@ -8,12 +8,15 @@ SPDX-License-Identifier: AGPL-3.0-or-later
 <html>
 <head>
     <title>CryptPad</title>
+
+    <meta charset="utf-8" />
     <meta content="text/html; charset=utf-8" http-equiv="content-type" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script src="/customize/pre-loading.js?ver=1.1"></script>
     <link href="/customize/src/pre-loading.css?ver=1.0" rel="stylesheet" type="text/css">
     <script async data-bootload="/common/sframe-app-outer.js" data-main="/common/boot.js?ver=1.0" src="/components/requirejs/require.js?ver=2.3.7"></script>
+    <script src="webxdc.js"></script>
     <link href="/customize/src/outer.css?ver=1.3.2" rel="stylesheet" type="text/css">
     <link id="favicon-ico" type="image/x-icon" rel="icon"
       data-main-favicon="/customize/favicon/main-favicon.ico"
@@ -25,5 +28,13 @@ SPDX-License-Identifier: AGPL-3.0-or-later
       href="/customize/favicon/main-favicon.png">
 </head>
 <body>
+
 <noscript></noscript>
     <iframe-placeholder>
+    <div id="root"></div>
+    <script src="./lib/jquery.min.js"></script>
+    <script crossorigin id="vite-legacy-polyfill" src="/assets/polyfills-legacy-Op9eHCRg.js"></script>
+    <script crossorigin id="vite-legacy-entry" data-src="/assets/index-legacy-CpC3q1r5.js">System.import(document.getElementById('vite-legacy-entry').getAttribute('data-src'))</script>
+</body>
+</html>
+
diff --git a/www/webxdc/lib/jquery.min.js b/www/webxdc/lib/jquery.min.js
new file mode 100644
index 000000000..c4c6022f2
--- /dev/null
+++ b/www/webxdc/lib/jquery.min.js
@@ -0,0 +1,2 @@
+/*! jQuery v3.6.0 | (c) OpenJS Foundation and other contributors | jquery.org/license */
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diff --git a/www/webxdc/manifest.toml b/www/webxdc/manifest.toml
new file mode 100644
index 000000000..bd6461525
--- /dev/null
+++ b/www/webxdc/manifest.toml
@@ -0,0 +1,3 @@
+name = "Chess"
+source_code_url = "https://github.com/ArcaneCircle/chess"
+tag_name = "v2.4.0"