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<!DOCTYPE html>
<html>
<head>
<title>Chess Game</title>
<style>
body {
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
background: #f0f0f0;
}
#chessboard {
display: grid;
grid-template-columns: repeat(8, 60px);
grid-template-rows: repeat(8, 60px);
border: 2px solid #333;
}
.square {
width: 60px;
height: 60px;
display: flex;
justify-content: center;
align-items: center;
font-size: 40px;
cursor: pointer;
position: relative;
}
.white {
background-color: #EEEED2;
}
.black {
background-color: #769656;
}
.highlight {
background-color: rgba(255, 255, 0, 0.4) !important;
}
.possible-move {
position: relative;
}
.possible-move::before {
content: '';
position: absolute;
width: 20px;
height: 20px;
background-color: rgba(0,0,0,0.2);
border-radius: 50%;
}
.piece {
user-select: none;
}
.white-piece {
color: white;
text-shadow: 1px 1px 2px black;
}
.black-piece {
color: black;
}
</style>
</head>
<body>
<div id="chessboard"></div>
<script>
let selectedPiece = null;
let currentTurn = 'white';
const pieces = {
'white': {
'king': '♔',
'queen': '♕',
'rook': '♖',
'bishop': '♗',
'knight': '♘',
'pawn': '♙'
},
'black': {
'king': '♚',
'queen': '♛',
'rook': '♜',
'bishop': '♝',
'knight': '♞',
'pawn': '♟'
}
};
function createBoard() {
const board = document.getElementById('chessboard');
for (let row = 0; row < 8; row++) {
for (let col = 0; col < 8; col++) {
const square = document.createElement('div');
square.classList.add('square');
square.classList.add((row + col) % 2 ? 'black' : 'white');
square.dataset.row = row;
square.dataset.col = col;
// Add pieces
if (row < 2 || row > 5) {
const color = row < 2 ? 'black' : 'white';
let piece;
if (row === 1 || row === 6) {
piece = 'pawn';
} else {
if (col === 0 || col === 7) piece = 'rook';
if (col === 1 || col === 6) piece = 'knight';
if (col === 2 || col === 5) piece = 'bishop';
if (col === 3) piece = 'queen';
if (col === 4) piece = 'king';
}
if (piece) {
square.innerHTML = pieces[color][piece];
square.dataset.piece = piece;
square.dataset.color = color;
square.classList.add('piece', `${color}-piece`);
}
}
square.addEventListener('click', handleClick);
board.appendChild(square);
}
}
}
function clearHighlights() {
document.querySelectorAll('.square').forEach(square => {
square.classList.remove('highlight', 'possible-move');
});
}
function showPossibleMoves(square) {
const piece = square.dataset.piece;
const row = parseInt(square.dataset.row);
const col = parseInt(square.dataset.col);
const color = square.dataset.color;
if (piece === 'pawn') {
const direction = color === 'white' ? -1 : 1;
const startRow = color === 'white' ? 6 : 1;
// Forward moves
let nextRow = row + direction;
if (nextRow >= 0 && nextRow < 8) {
const forwardSquare = document.querySelector(`[data-row="${nextRow}"][data-col="${col}"]`);
if (!forwardSquare.dataset.piece) {
forwardSquare.classList.add('possible-move');
// Initial two-square move
if (row === startRow) {
const twoAheadSquare = document.querySelector(`[data-row="${row + 2 * direction}"][data-col="${col}"]`);
if (!twoAheadSquare.dataset.piece) {
twoAheadSquare.classList.add('possible-move');
}
}
}
}
// Captures
[-1, 1].forEach(offset => {
const captureSquare = document.querySelector(`[data-row="${nextRow}"][data-col="${col + offset}"]`);
if (captureSquare && captureSquare.dataset.piece && captureSquare.dataset.color !== color) {
captureSquare.classList.add('possible-move');
}
});
}
}
function handleClick(event) {
const square = event.target;
const piece = square.dataset.piece;
const color = square.dataset.color;
clearHighlights();
if (selectedPiece) {
if (square.classList.contains('possible-move')) {
// Move piece
square.innerHTML = selectedPiece.innerHTML;
square.dataset.piece = selectedPiece.dataset.piece;
square.dataset.color = selectedPiece.dataset.color;
square.classList.add('piece', `${selectedPiece.dataset.color}-piece`);
selectedPiece.innerHTML = '';
selectedPiece.removeAttribute('data-piece');
selectedPiece.removeAttribute('data-color');
selectedPiece.classList.remove('piece', 'white-piece', 'black-piece');
currentTurn = currentTurn === 'white' ? 'black' : 'white';
}
selectedPiece = null;
} else if (piece && color === currentTurn) {
selectedPiece = square;
square.classList.add('highlight');
showPossibleMoves(square);
}
}
createBoard();
</script>
</body>
</html> |