String.prototype.replaceAt = function(index, replacement) { return this.substr(0, index) + replacement + this.substr(index).substr(1); } var divSquare = "

"; var divFigure = "

$figure

"; var map = new Array(64); var time; var whiteMove = true; var isFlip = false; var pos; var isComp = true; var allFigures = []; var vMove = 0; var depth; var ALLMOVES = []; var positionCount = 0; var last; var compMove; var firstMove; var figures = "KQRBNP"; var FRCOORD = -5, TOCOORD = -5; $(function () { start("rnbqkbnrpppppppp11111111111111111111111111111111PPPPPPPPRNBQKBNR"); //1k1rr111ppp1nppp11n1bq111111p11111P1P1111Q111N1111BNPPP1R1111RK1 //rnbqkbnrpppppppp11111111111111111111111111111111PPPPPPPPRNBQKBNR }); function start(MAP) { clearInterval(compMove); clearInterval(time); firstMove = false; map = MAP; whiteMove = true; isFlip = false; pos = 0; vMode = 0; depth = 3; isComp = true; allGameMoves = []; ALLMOVES = []; allGameMovesCount = 0; positionCount = 0; blackFigures = []; whiteFigures = []; $(".board").html(""); $("#react").html(""); $("#pos").html(""); $("#check").html(""); $("#depth").html(depth); $("#thinkingTime").html(""); if ($('#firstMove').find(':selected').text() == "BLACK") { firstMove = true; computer(); isFlip = true; } last = map; time = setInterval(addSquares(map), 1000); compMove = setInterval(compMovement, 100); setUp(); } function compMovement() { if (firstMove == whiteMove) { if (isComp) { clearInterval(time); computer(); time = setInterval(addSquares(map), 1000); } } last = map; } function appendMap() { start($("#input2").val()); } function appendMove() { clearInterval(time); let movement = $("#input").val().toLowerCase(); let empty; for (let i = 0; i < movement.length; i++) if (movement[i] == "-") empty = i; let frCoord = movement.substr(0, empty); let toCoord = movement.substr(empty + 1, movement.length - 1); frCoord = getCoord(frCoord); toCoord = getCoord(toCoord); if (canMove(frCoord, toCoord)) { move(Number.parseInt(frCoord), Number.parseInt(toCoord), map[Number.parseInt(frCoord)]); if (isComp) computer(); } else { $("#input").val("impossible"); } if (vMode == 0) time = setInterval(addSquares(map), 1000); } function getLetterAndNumber(coord) { let row = 8 - Math.floor(coord / 8); let letter = String.fromCharCode(coord - 8 * Math.floor(coord / 8) + 97); return letter + row; } function getCoord(coord) { let a = "a"; let letter = coord[0]; let number = coord.substr(1); let row = 8 - number; let elem = (letter.charCodeAt() - a.charCodeAt()); coord = row * 8 + elem; return coord; } function mode() { vMode++; if (vMode == 3) vMode = 0; switch (vMode) { case 0: { clearInterval(time); setUp(); time = setInterval(addSquares(map), 1000); //$("#pos").html(""); } break; case 1: { $(".board").html(""); if (isFlip) { for (let coord = 0; coord < 64; coord++) { $(".board").append(divSquare.replace("$color", isBlackSquareAt(coord) ? "black" : "white").replace("$coord", 63 - coord)); } } else { for (let coord = 0; coord < 64; coord++) { $(".board").append(divSquare.replace("$color", isBlackSquareAt(coord) ? "black" : "white").replace("$coord", coord)); } } setUp(); //$("#pos").html(""); } break; case 2: { $(".board").html(""); clearInterval(time); setUp(); } } } function canMove(frCoord, toCoord) { if (!checkTest(frCoord, toCoord)) return false; if ((isWhiteFigureAt(frCoord) === isWhiteFigureAt(toCoord))) return false; if (isWhiteFigureAt(frCoord) == whiteMove) { return moveTest(frCoord, toCoord); } } function pawn(frCoord, toCoord, horDifference, rowDifference) { frCoord = Number.parseInt(frCoord); let toFigure = map[toCoord]; if (map[frCoord] == "P") { if (frCoord > 47) { if ( (horDifference === 0) && (rowDifference < 3) && (rowDifference > 0) && (toFigure == "1") && ( (map[frCoord - 8]) == "1") ) return true; } else { if ( (horDifference === 0) && (rowDifference == 1) && (toFigure == "1") ) { return true;//queen(frCoord, toCoord); } } if ( (Math.abs(horDifference) == 1) && (rowDifference == 1) && (toFigure != "1") ) { return true;//queen(frCoord, toCoord); } } else if (map[frCoord] == "p") { if (frCoord < 16) { if ( (horDifference === 0) && (rowDifference > -3) && (rowDifference < 0) && (toFigure == "1") && ( (map[frCoord + 8]) == "1") ) return true; } else { if ( (horDifference === 0) && (rowDifference == -1) && (toFigure == "1") ) { return true;//queen(frCoord, toCoord); } } if ( (Math.abs(horDifference) == 1) && (rowDifference == -1) && (toFigure != "1") ) { return true;//queen(frCoord, toCoord); } } return false; } function norse(rowDifference, horDifference) { if ( ( (Math.abs(rowDifference) == 1) && (Math.abs(horDifference) == 2) ) || ( (Math.abs(rowDifference) == 2) && (Math.abs(horDifference) == 1) ) ) return true; else return false; } function bishop(frCoord, toCoord, horDifference, rowDifference) { if ( Math.abs(rowDifference) == Math.abs(horDifference) ) if (diagonal(frCoord, toCoord, rowDifference, horDifference) == "1") return true; else return false; } function rook(frCoord, toCoord, horDifference, rowDifference) { if ( ( rowDifference === 0 ) || ( ( horDifference === 0 ) ) ) if (frontal(frCoord, toCoord, rowDifference, horDifference) == "1") return true; return false; } function king(frCoord, toCoord, horDifference, rowDifference) { if (map[frCoord] == "K") { if ((frCoord == 60) && (toCoord == 62) && (map[63] == "R") && (map[62] == "1") && (map[61] == "1")) { //tMove(63, 61, "R"); return true; } if ((frCoord == 60) && (toCoord == 58) && (map[56] == "R") && (map[57] == "1") && (map[58] == "1") && (map[59] == "1")) { //tMove(56, 59, "R"); return true; } if ( (Math.abs(rowDifference) < 2) && (Math.abs(horDifference) < 2)) return true; } else { if ((frCoord == 4) && (toCoord == 6) && (map[7] == "r") && (map[6] == "1") && (map[5] == "1")) { //tMove(63, 61, "R"); return true; } if ((frCoord == 4) && (toCoord == 2) && (map[0] == "R") && (map[1] == "1") && (map[2] == "1") && (map[3] == "1")) { //tMove(56, 59, "R"); return true; } if ( (Math.abs(rowDifference) < 2) && (Math.abs(horDifference) < 2)) return true; } return false; } function moveTest(frCoord, toCoord) { let frFigure = map[frCoord]; let toFigure = map[toCoord]; let frRow = Math.floor(frCoord / 8); let toRow = Math.floor(toCoord / 8); let rowDifference = (frRow - toRow); let horDifference = ((frCoord - 8 * frRow) - (toCoord - 8 * toRow)); switch (frFigure) { //Pawns case "P": case "p": return pawn(frCoord, toCoord, horDifference, rowDifference); break; //Norses case "N": case "n": return norse(rowDifference, horDifference); break; //Bishops case "B": case "b": return bishop(frCoord, toCoord, horDifference, rowDifference); break; //Rooks case "R": case "r": return rook(frCoord, toCoord, horDifference, rowDifference); break; //Quens case "Q": case "q": return bishop(frCoord, toCoord, horDifference, rowDifference) || rook(frCoord, toCoord, horDifference, rowDifference); break; //Kings case "K": case "k": return king(frCoord, toCoord, horDifference, rowDifference); break; } return false; } function computer() { //$("#react").html("Thinking..."); //clearInterval(time); showFigures(map); const start = new Date().getTime(); positionCount = 0; let bBestMove = calculateBestMove(depth); if (bBestMove !== undefined) { move(bBestMove.frCoord, bBestMove.toCoord, map[bBestMove.frCoord]); $("#check").html(""); } //time = setInterval(addSquares(map), 1000); const end = new Date().getTime(); let thinkTime = (Number.parseInt(end) - Number.parseInt(start)); $("#thinkingTime").html("Thinking time: " + thinkTime + "ms
Positions in sec: " + (positionCount / (thinkTime / 1000)) + "
Tested position count: " + positionCount); $("#check").html(""); } function minimax(depth, alpha, beta, bMoveTime) { let nextMap = map; let bMoves; let boardValue; let wMoves; //if (Math.abs(position()) >= 500) return position(); if (depth <= 0) return position(); if (bMoveTime) { bMoves = allMoves(false); boardValue = 9999; if (bMoves == undefined) return 9999; for (let i = 0; i < bMoves.length; i++) { tMove(bMoves[i].frCoord, bMoves[i].toCoord, map[bMoves[i].frCoord]); positionCount++; boardValue = Math.min(boardValue, minimax(depth - 1, alpha, beta, !bMoveTime)); beta = Math.min(beta, boardValue); if (beta <= alpha) { return boardValue; } map = nextMap; } return boardValue; } else { wMoves = allMoves(true); boardValue = -9999; if (wMoves == undefined) return -9999; for (let i = 0; i < wMoves.length; i++) { tMove(wMoves[i].frCoord, wMoves[i].toCoord, map[wMoves[i].frCoord]); positionCount++; boardValue = Math.max(boardValue, minimax(depth - 1, alpha, beta, !bMoveTime)); alpha = Math.max(alpha, boardValue); if (beta <= alpha) { return boardValue; } map = nextMap; } return boardValue; } } function calculateBestMove(depth) { let lastMap = map; let lastPos = position(); let bestMove; let boardValue; if (whiteMove) { let wMoves = allMoves(whiteMove); let bestValue = -9999; let wRand = Math.floor(Math.random() * wMoves.length); for (let i = 0; i < wMoves.length; i++) { tMove(wMoves[i].frCoord, wMoves[i].toCoord, map[wMoves[i].frCoord]); positionCount++; boardValue = minimax(depth - 1, -10000, 10000, whiteMove); if (boardValue >= bestValue) { bestValue = boardValue; bestMove = wMoves[i]; } map = lastMap; } if (bestMove == undefined) { console.log("calculateBestMove = undefined"); bestMove = wMoves[wRand]; } } else { let bMoves = allMoves(whiteMove); let bestValue = 9999; let bRand = Math.floor(Math.random() * bMoves.length); for (let i = 0; i < bMoves.length; i++) { tMove(bMoves[i].frCoord, bMoves[i].toCoord, map[bMoves[i].frCoord]); positionCount++; boardValue = minimax(depth - 1, -10000, 10000, whiteMove); if (boardValue <= bestValue) { bestValue = boardValue; bestMove = bMoves[i]; } map = lastMap; } if (bestMove == undefined) { console.log("calculateBestMove = undefined"); bestMove = bMoves[bRand]; } } map = lastMap; return bestMove; } function tMove(frCoord, toCoord, figure) { if ( (toCoord < 8) && (figure == "P") ) figure = "Q"; if ( (toCoord > 55) && (figure == "p") ) figure = "q"; if ( (frCoord == 60) && (toCoord == 62) && (figure == "K") ) tMove(63, 61, "R"); if ( (frCoord == 60) && (toCoord == 58) && (figure == "K") ) tMove(56, 59, "R"); if ( (frCoord == 4) && (toCoord == 6) && (figure == "k") ) tMove(7, 5, "r"); if ( (frCoord == 4) && (toCoord == 2) && (figure == "k") ) tMove(0, 3, "R"); map = map.replaceAt(frCoord, "1"); map = map.replaceAt(toCoord, figure); } function move(frCoord, toCoord, figure) { whiteMove = !whiteMove; if (!isComp) isFlip = !isFlip; allGameMoves[allGameMovesCount] = map; allGameMovesCount++; if ( (toCoord < 8) && (figure == "P") ) figure = "Q"; if ( (toCoord > 55) && (figure == "p") ) figure = "q"; if ( (frCoord == 60) && (toCoord == 62) && (figure == "K") ) tMove(63, 61, "R"); if ( (frCoord == 60) && (toCoord == 58) && (figure == "K") ) tMove(56, 59, "R"); if ( (frCoord == 4) && (toCoord == 6) && (figure == "k") ) tMove(7, 5, "r"); if ( (frCoord == 4) && (toCoord == 2) && (figure == "k") ) tMove(0, 3, "R"); map = map.replaceAt(frCoord, "1"); map = map.replaceAt(toCoord, figure); FRCOORD = frCoord; TOCOORD = toCoord; if (!whiteMove) $("#react").html($("#react").html() + "
"); $("#react").html(Math.floor((allGameMovesCount + 1) / 2) + "." + getLetterAndNumber(frCoord) + "-" + getLetterAndNumber(toCoord)); winCheck(); } function winCheck() { let toCoord; if (allMoves(false).length == 0) { for (let i = 0; i < 64; i++) { if (map[i] == "k") { toCoord = i; } } for (let i = 0; i < 64; i++) { if ( (map[i] > 'A') && (map[i] < 'Z') ) { if (!moveTest(i, toCoord)) { $("#pos").html("CheckMate to Black");//by " + map[i]); clearInterval(time); return; } } } $("#pos").html("It is draw!!"); clearInterval(time); return; } if (allMoves(true).length == 0) { for (let i = 0; i < 64; i++) { if (map[i] == "K") { toCoord = i; } } for (let i = 0; i < 64; i++) { if ( (map[i] > 'a') && (map[i] < 'z') ) { if (!moveTest(i, toCoord)) { $("#pos").html("CheckMate to White");//by " + map[i]); clearInterval(time); return; } } } $("#pos").html("It is draw!!"); clearInterval(time); return; } } function checkTest(frCoordM, toCoordM) { let normalMap = map; tMove(frCoordM, toCoordM, map[frCoordM]); let lastMap = map; if (whiteMove) { for (let i = 0; i < 64; i++) { if ( (map[i] > 'a') && (map[i] < 'z') ) { if (moveTest(i, map.indexOf("K"))) { $("#check").html("Check to White"); map = normalMap; return false; } } } } else { for (let i = 0; i < 64; i++) { if ( (map[i] > 'A') && (map[i] < 'Z') ) { if (moveTest(i, map.indexOf("k"))) { $("#check").html("Check to Black"); map = normalMap; return false; } } } } $("#check").html(""); map = normalMap; return true; } function addSquares(m) { $(".board").html(""); if (isFlip) { for (let coord = 0; coord < 64; coord++) { $(".board").append(divSquare.replace("$color", isBlackSquareAt(coord) ? "black" : "white").replace("$coord", 63 - coord)); } } else { for (let coord = 0; coord < 64; coord++) { $(".board").append(divSquare.replace("$color", isBlackSquareAt(coord) ? "black" : "white").replace("$coord", coord)); } } $("#s" + FRCOORD).css({ backgroundColor : "yellow" }); $("#s" + TOCOORD).css({ backgroundColor : "yellow" }); showFigures(m); setDroppable(); setUp(); } function showFigures(m) { for (let coord = 0; coord < 64; coord++) { if (map[coord] != "1") { $("#s" + coord).html(divFigure.replace("$coord", coord).replace("$figure", getFigureSymbolAt(m[coord]))); setDraggable(coord); } } } function allMoves(order) { let move = whiteMove; let s = new Array(); let lastMap = map; ALLMOVES = []; if (!order) whiteMove = false; else whiteMove = true; movesKing(whiteMove ? lastMap.indexOf("K") : lastMap.indexOf("k"), whiteMove); for (let i = 1; i <= 5; i++) { let figure = whiteMove ? figures[i].toUpperCase() : figures[i].toLowerCase(); while (~lastMap.indexOf(figure)) { switch (figure) { case (whiteMove ? figures[1].toUpperCase() : figures[1].toLowerCase()): { movesRook(lastMap.indexOf(figure), whiteMove); movesBishop(lastMap.indexOf(figure), whiteMove); } break; case (whiteMove ? figures[2].toUpperCase() : figures[2].toLowerCase()): { movesRook(lastMap.indexOf(figure), whiteMove); } break; case (whiteMove ? figures[3].toUpperCase() : figures[3].toLowerCase()): { movesBishop(lastMap.indexOf(figure), whiteMove); } break; case (whiteMove ? figures[4].toUpperCase() : figures[4].toLowerCase()): { movesNorse(lastMap.indexOf(figure), whiteMove); } break; case (whiteMove ? figures[5].toUpperCase() : figures[5].toLowerCase()): { movesPawn(lastMap.indexOf(figure), whiteMove); } break; } lastMap = lastMap.replaceAt(lastMap.indexOf(figure), "1"); } } s = ALLMOVES; /*for (let i = 0; i < s.length; i++) { console.log(s[i].frCoord + "|" + s[i].toCoord); }*/ whiteMove = move; if (s[0] == undefined) return ""; return s; } function movesKing(coord, whiteMove) { //6 let row = Math.floor(coord / 8); let col = coord - row * 8; let fir = 8 * (row - 1) + col - 1; let sec = 8 * (row - 1) + col; let thi = 8 * (row - 1) + col + 1; let fou = 8 * row + col - 1; let fiv = 8 * row + col + 1; let six = 8 * (row + 1) + col - 1; let sev = 8 * (row + 1) + col; let eig = 8 * (row + 1) + col + 1; if ( (col - 1) >=0 ) if ( (map[fir] != undefined) && (isWhiteFigureAt(fir) !== whiteMove) ) if (checkTest(coord, fir)) ALLMOVES.push(new string(coord, fir)); if ( (map[sec] != undefined) && (isWhiteFigureAt(sec) !== whiteMove) ) if (checkTest(coord, sec)) ALLMOVES.push(new string(coord, sec)); if ( (col + 1) < 8) if ( (map[thi] != undefined) && (isWhiteFigureAt(thi) !== whiteMove) ) if (checkTest(coord, thi)) ALLMOVES.push(new string(coord, thi)); if ( (col - 1) >=0 ) if ( (map[fou] != undefined) && (isWhiteFigureAt(fou) !== whiteMove) ) if (checkTest(coord, fou)) ALLMOVES.push(new string(coord, fou)); if ( (col + 1) < 8) if ( (map[fiv] != undefined) && (isWhiteFigureAt(fiv) !== whiteMove) ) if (checkTest(coord, fiv)) ALLMOVES.push(new string(coord, fiv)); if ( (col - 1) >=0 ) if ( (map[six] != undefined) && (isWhiteFigureAt(six) !== whiteMove) ) if (checkTest(coord, six)) ALLMOVES.push(new string(coord, six)); if ( (map[sev] != undefined) && (isWhiteFigureAt(sev) !== whiteMove) ) if (checkTest(coord, sev)) ALLMOVES.push(new string(coord, sev)); if ( (col + 1) < 8) if ( (map[eig] != undefined) && (isWhiteFigureAt(eig) !== whiteMove) ) if (checkTest(coord, eig)) ALLMOVES.push(new string(coord, eig)); if (whiteMove) { if ( (map[63] == "R") && (map[62] == "1") && (map[61] == "1") && (coord == 60) ) ALLMOVES.push(new string(coord, 62)); if ( (map[56] == "R") && (map[57] == "1") && (map[58] == "1") && (map[59] == "1") && (coord == 60) ) ALLMOVES.push(new string(coord, 58)); } else { if ( (map[7] == "r") && (map[6] == "1") && (map[5] == "1") && (coord == 4) ) ALLMOVES.push(new string(coord, 6)); if ( (map[0] == "r") && (map[1] == "1") && (map[2] == "1") && (map[3] == "1") && (coord == 4) ) ALLMOVES.push(new string(coord, 2)); } } function movesRook(coord, whiteMove) { let row = Math.floor(coord / 8); let col = coord - row * 8; let first = true; let second = true; let third = true; let fourth = true; for(let i = 1; i < 8; i++) { let c = 0; let fi = 8 * (row - i) + col; let se = 8 * (row + i) + col; let th = 8 * row + col - i; let fo = 8 * row + col + i; if (fi < 0) first = false; if (se > 63) second = false; if (th < 0) third = false; if (fo > 63) fourth = false; if (first) {if ( (map[fi] != undefined) && (isWhiteFigureAt(fi) !== whiteMove) ) {if (checkTest(coord, fi)) ALLMOVES.push(new string(coord, fi));} if (map[fi] != "1") {first = false; c++;}} if (second) {if ( (map[se] != undefined) && (isWhiteFigureAt(se) !== whiteMove) ) {if (checkTest(coord, se)) ALLMOVES.push(new string(coord, se));} if (map[se] != "1") {second = false; c++;}} if (third) {if ( (col - i) >= 0) if ( (map[th] != undefined) && (isWhiteFigureAt(th) !== whiteMove) ) {if (checkTest(coord, th)) ALLMOVES.push(new string(coord, th));} if (map[th] != "1") {third = false; c++;}} if (fourth) {if ( (col + i) < 7) if ( (map[fo] != undefined) && (isWhiteFigureAt(fo) !== whiteMove) ) {if (checkTest(coord, fo)) ALLMOVES.push(new string(coord, fo));} if (map[fo] != "1") {fourth = false; c++;}} if (c == 4) i = 8; } } function movesBishop(coord, whiteMove) { // 27 let row = Math.floor(coord / 8); // 3 let col = coord - row * 8; // 3 let first = true; let second = true; let third = true; let fourth = true; for(let i = 1; i < 8; i++) { // 1, 2, 3 let c = 0; let fi = 8 * (row - i) + col - i; // 18, 9, 0 let se = 8 * (row - i) + col + i; // 20, 13, 6 let th = 8 * (row + i) + col - i; // 34, 41, 48 let fo = 8 * (row + i) + col + i; // 36, 45, 54 if (fi < 0) first = false; if (se < 0) second = false; if (th > 63) third = false; if (fo > 63) fourth = false; if (first) {if ( (col - i) >= 0) if ( (map[fi] != undefined) && (isWhiteFigureAt(fi) !== whiteMove) ) {if (checkTest(coord, fi)) ALLMOVES.push(new string(coord, fi));} if (map[fi] != "1") {first = false; c++;}} if (second) {if ( (col + i) < 7) if ( (map[se] != undefined) && (isWhiteFigureAt(se) !== whiteMove) ) {if (checkTest(coord, se)) ALLMOVES.push(new string(coord, se));} if (map[se] != "1") {second = false; c++;}} if (third) {if ( (col - i) >= 0) if ( (map[th] != undefined) && (isWhiteFigureAt(th) !== whiteMove) ) {if (checkTest(coord, th)) ALLMOVES.push(new string(coord, th));} if (map[th] != "1") {third = false; c++;}} if (fourth) {if ( (col + i) < 7) if ( (map[fo] != undefined) && (isWhiteFigureAt(fo) !== whiteMove) ) {if (checkTest(coord, fo)) ALLMOVES.push(new string(coord, fo));} if (map[fo] != "1") {fourth = false; c++;}} if (c == 4) i = 8; } } function movesNorse(coord, whiteMove) { // 21 let row = Math.floor(coord / 8); // 2 let col = coord - row * 8; // 5 let first = 8 * (row - 1) + col - 2; // 11 let second = 8 * (row - 2) + col - 1; // 4 let third = 8 * (row - 2) + col + 1; // 6 let fourth = 8 * (row - 1) + col + 2; // 15 let fiveth = 8 * (row + 1) + col + 2; // 31 let sixth = 8 * (row + 2) + col + 1; // 38 let seventh = 8 * (row + 2) + col - 1; // 36 let eighth = 8 * (row + 1) + col - 2; // 27 if ( (col - 2) >= 0) if ( (map[first] != undefined) && (isWhiteFigureAt(first) !== whiteMove) ) {if (checkTest(coord, first)) ALLMOVES.push(new string(coord, first));} if ( (col - 1) >= 0) if ( (map[second] != undefined) && (isWhiteFigureAt(second) !== whiteMove) ) {if (checkTest(coord, second)) ALLMOVES.push(new string(coord, second));} if ( (col + 1) < 8) if ( (map[third] != undefined) && (isWhiteFigureAt(third) !== whiteMove) ) {if (checkTest(coord, third)) ALLMOVES.push(new string(coord, third));} if ( (col + 2) < 8) if ( (map[fourth] != undefined) && (isWhiteFigureAt(fourth) !== whiteMove) ) {if (checkTest(coord, fourth)) ALLMOVES.push(new string(coord, fourth));} if ( (col + 2) < 8) if ( (map[fiveth] != undefined) && (isWhiteFigureAt(fiveth) !== whiteMove) ) {if (checkTest(coord, fiveth)) ALLMOVES.push(new string(coord, fiveth));} if ( (col + 1) < 8) if ( (map[sixth] != undefined) && (isWhiteFigureAt(sixth) !== whiteMove) ) {if (checkTest(coord, sixth)) ALLMOVES.push(new string(coord, sixth));} if ( (col - 1) >= 0) if ( (map[seventh] != undefined) && (isWhiteFigureAt(seventh) !== whiteMove) ) {if (checkTest(coord, seventh)) ALLMOVES.push(new string(coord, seventh));} if ( (col - 2) >= 0) if ( (map[eighth] != undefined) && (isWhiteFigureAt(eighth) !== whiteMove) ) {if (checkTest(coord, eighth)) ALLMOVES.push(new string(coord, eighth));} }; function movesPawn(coord, whiteMove) { let row = Math.floor(coord / 8); let col = coord - row * 8; if (!whiteMove) { if ( (map[coord + 8]) == "1") { if (coord < 16) { if ( (map[coord + 16]) == "1") if (checkTest(coord, coord + 16)) ALLMOVES.push(new string(coord, coord + 16)); } if (checkTest(coord, coord + 8)) ALLMOVES.push(new string(coord, coord + 8)); } if (isWhiteFigureAt(coord + 7) === true) if ( (col > 0) ) if (checkTest(coord, coord + 7)) ALLMOVES.push(new string(coord, coord + 7)); if (isWhiteFigureAt(coord + 9) === true) if ( (col < 7) ) if (checkTest(coord, coord + 9)) ALLMOVES.push(new string(coord, coord + 9)); } else { if ( (map[coord - 8]) == "1") { if (coord > 47) { if ( (map[coord - 16]) == "1") if (checkTest(coord, coord - 16))ALLMOVES.push(new string(coord, coord - 16)); } if (checkTest(coord, coord - 8)) ALLMOVES.push(new string(coord, coord - 8)); } if (isWhiteFigureAt(coord - 7) === false) if ( (col < 7) ) if (checkTest(coord, coord - 7)) ALLMOVES.push(new string(coord, coord - 7)); if (isWhiteFigureAt(coord - 9) === false) if ( (col > 0) ) if (checkTest(coord, coord - 9)) ALLMOVES.push(new string(coord, coord - 9)); } } function position() { pos = 0; for (let i = 0; i < 64; i++) { pos = Number(pos) + Number(getFigureValAt(map[i], i)); } return pos; } function string (frCoord, toCoord, figure) { this.frCoord = Number(frCoord); this.toCoord = Number(toCoord); } function prev() { if ( (allGameMovesCount - 2) >= 0) { clearInterval(time); allGameMovesCount -= 2; map = allGameMoves[allGameMovesCount]; time = setInterval(addSquares(map), 500); //if (whiteMove == false) computer(); } } function setDraggable(coord) { $("#f" + coord).draggable({ start() { } }); } function setDroppable() { $(".square").droppable({ drop(event, ui) { var frCoord = ui.draggable.attr("id").substring(1); var toCoord = this.id.substring(1); ui.draggable.css({"backgroundColor": "red"}); clearInterval(time); if (canMove(frCoord, toCoord)) { move(frCoord, toCoord, map[frCoord]); /*if (isComp) { clearInterval(time); computer(); time = setInterval(addSquares(map), 1000); }*/ } time = setInterval(addSquares(map), 1000); /*else { clearInterval(time); time = setInterval(addSquares(map), 1000); }*/ } }); } function comp() { isComp = !isComp; return isComp; } function frontal(frCoord, toCoord, rowDifference, horDifference) { let coord; if (horDifference == 0) { // 63 7 +1 0 if (rowDifference > 0) dirRow = rowDifference / rowDifference; else dirRow = -(rowDifference / rowDifference); for (let i = 1; i < Math.abs(rowDifference); i++) { coord = frCoord - (dirRow * 8 * i); if (map[coord] != "1") return map[coord]; } } else { // 63 56 0 +1 if (horDifference > 0) dirHor = horDifference / horDifference; else dirHor = -(horDifference / horDifference); for (let i = 1; i < Math.abs(horDifference); i++) { coord = frCoord - (dirHor * i); if (map[coord] != "1") return map[coord]; } } return "1"; } function diagonal(frCoord, toCoord, rowDifference, horDifference) { let dirRow, dirHor, coord; if (rowDifference > 0) dirRow = rowDifference / rowDifference; else dirRow = -(rowDifference / rowDifference); if (horDifference > 0) dirHor = horDifference / horDifference; else dirHor = -(horDifference / horDifference); // 61 47 +1 -1 for (let i = 1; i < Math.abs(rowDifference); i++) { coord = frCoord - (dirRow * 8 * i) - (dirHor * i); if (map[coord] != "1") return map[coord]; } return "1"; } function getFigureSymbolAt(symbol) { switch (symbol) { case 'K': return "♔"; case 'Q': return "♕"; case 'R': return "♖"; case 'B': return "♗"; case 'N': return "♘"; case 'P': return "♙"; case 'k': return "♚"; case 'q': return "♛"; case 'r': return "♜"; case 'b': return "♝"; case 'n': return "♞"; case 'p': return "♟"; default: return ""; } } function getFigureValAt(symbol, coord) { switch (symbol) { case 'K': return 900 + absoluteVal(symbol, coord); case 'Q': return 90 + absoluteVal(symbol, coord); case 'R': return 50 + absoluteVal(symbol, coord); case 'B': return 30 + absoluteVal(symbol, coord); case 'N': return 30 + absoluteVal(symbol, coord); case 'P': return 10 + absoluteVal(symbol, coord); case 'k': return -900 + absoluteVal(symbol, coord); case 'q': return -90 + absoluteVal(symbol, coord); case 'r': return -50 + absoluteVal(symbol, coord); case 'b': return -30 + absoluteVal(symbol, coord); case 'n': return -30 + absoluteVal(symbol, coord); case 'p': return -10 + absoluteVal(symbol, coord); default: return 0; } } function absoluteVal(symbol, COORD) { let val; let coef; let coord; if ( (map[COORD] > "A") && (map[COORD] < "Z") ) { coord = COORD; coef = 1; } else { coord = 63 - COORD; coef = -1; } let king = [ -3,-4,-4,-5,-5,-4,-4,-3, -3,-4,-4,-5,-5,-4,-4,-3, -3,-4,-4,-5,-5,-4,-4,-3, -3,-4,-4,-5,-5,-4,-4,-3, -2,-3,-3,-4,-4,-3,-3,-2, -1,-2,-2,-2,-2,-2,-2,-1, 2,2,0,0,0,0,2,2, 2,3,1,0,0,1,3,2 ]; let queen = [ -2,-1,-1,-0.5,-0.5,-1,-1,-2, -1,0,0,0,0,0,0,-1, -1,0,0.5,0.5,0.5,0.5,0,-1, -0.5,0,0.5,0.5,0.5,0.5,0,-0.5, 0,0,0.5,0.5,0.5,0.5,0,-0.5, -1,0.5,0.5,0.5,0.5,0.5,0,-1, -1,0,0.5,0,0,0,0,-1, -2,-1,-1,-0.5,-0.5,-1,-1,-2 ]; let rook = [ 0,0,0,0,0,0,0,0, 0.5,1,1,1,1,1,1,0.5, -0.5,0,0,0,0,0,0,-0.5, -0.5,0,0,0,0,0,0,-0.5, -0.5,0,0,0,0,0,0,-0.5, -0.5,0,0,0,0,0,0,-0.5, -0.5,0,0,0,0,0,0,-0.5, 0,0,0,0.5,0.5,0,0,0 ]; let bishop = [ -2,-1,-1,-1,-1,-1,-1,-2, -1,0,0,0,0,0,0,-1, -1,0,0.5,1,1,0.5,0,-1, -1,0.5,0.5,1,1,0.5,0.5,-1, -1,0,1,1,1,1,0,-1, -1,1,1,1,1,1,1,-1, -1,0.5,0,0,0,0,0.5,-1, -2,-1,-1,-1,-1,-1,-1,-2 ]; let norse = [ -5,-4,-3,-3,-3,-3,-4,-5, -4,-2,0,0,0,0,-2,-4, -3,0,1,1.5,1.5,1,0,-3, -3,0.5,1.5,2,2,1.5,0.5,-3, -3,0,1.5,2,2,1.5,1,0,-3, -3,0.5,1,1.5,1.5,1,0.5,-3, -4,-2,0,0.5,0.5,0.5,0,-2,-4, -5,-4,-3,-3,-3,-3,-4,-5 ]; let paw = [ 9,9,9,9,9,9,9,9, 5,5,5,5,5,5,5,5, 1,1,2,3,3,2,1,1, 0.5,0.5,1,2.5,2.5,1,0.5,0.5, 0,0,0,2,2,0,0,0, 0.5,-0.5,-1,0,0,-1,-0.5,0.5, 0.5,1,1,-2,-2,1,1,0.5, 0,0,0,0,0,0,0,0 ]; switch (symbol) { case "K": case "k": { val = king[coord]; } break; case "Q": case "q": { val = queen[coord]; } break; case "R": case "r": { val = rook[coord]; } break; case "B": case "b": { val = bishop[coord]; } break; case "N": case "n": { val = norse[coord]; } break; case "P": case "p": { val = paw[coord]; } break; }; return coef * val; } function isBlackSquareAt(coord) { return (coord % 2 == 0) != Math.floor(coord / 8) % 2 == 0; } function flip() { clearInterval(time); isFlip = !isFlip; time = setInterval(addSquares(map), 1000); } function isWhiteFigureAt(coord) { coord = Number.parseInt(coord); if ( (map[coord] > "A") && (map[coord] <"Z") ) return true; else if ( (map[coord] > "a") && (map[coord] <"z") ) return false; else if (map[coord] == "1") return "1"; else return undefined; } function setUp() { let boardSize, squareSize; boardSize = $(document).width() > $(document).height() ? $(document).height() : $(document).width(); boardSize = boardSize * 0.7; squareSize = boardSize / 8; $(".board").height(boardSize); $(".board").width(boardSize); $(".square").height(squareSize); $(".square").width(squareSize); $(".figure").css({ fontSize : squareSize * 0.8 }); $(".right").height(boardSize / 7 * 3); $(".right").width(boardSize / 7 * 3); $(".control").height(boardSize / 7 * 2); $(".control").width(boardSize * 1.1); $(".control").css({ //top : boardSize * 1.07 + "px" }); $(".right").css({ //left : boardSize * 1.1 + "px" }); //$("button").height(boardSize / 7); $(".contBut").width(boardSize / 6.93); $(".move").width($(".input").width() * 0.925); $(".map").width($(".move").width()); }

chess_future_test