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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Chess Game</title>
<style>
:root {
--board-size: min(80vh, 600px);
--square-size: calc(var(--board-size) / 8);
--primary-dark: #2c3e50;
--primary-light: #34495e;
--highlight: #f1c40f;
--move-highlight: rgba(46, 204, 113, 0.4);
--check-highlight: rgba(231, 76, 60, 0.4);
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
background: var(--primary-dark);
color: #ecf0f1;
min-height: 100vh;
display: flex;
}
.container {
display: grid;
grid-template-columns: var(--board-size) 300px;
gap: 2rem;
margin: auto;
padding: 2rem;
background: var(--primary-light);
border-radius: 1rem;
box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}
.board-container {
width: var(--board-size);
height: var(--board-size);
position: relative;
}
.chessboard {
width: 100%;
height: 100%;
display: grid;
grid-template-columns: repeat(8, 1fr);
grid-template-rows: repeat(8, 1fr);
border: 4px solid #2c3e50;
border-radius: 4px;
overflow: hidden;
}
.square {
display: flex;
align-items: center;
justify-content: center;
font-size: calc(var(--square-size) * 0.7);
cursor: pointer;
transition: all 0.2s;
position: relative;
user-select: none;
}
.white { background: #f0d9b5; }
.black { background: #b58863; }
.square.selected {
background: var(--highlight) !important;
}
.square.valid-move::after {
content: '•';
position: absolute;
color: rgba(0,0,0,0.3);
font-size: 2em;
}
.square.attack-move::after {
content: '';
position: absolute;
width: 100%;
height: 100%;
border: 2px solid rgba(231, 76, 60, 0.6);
border-radius: 50%;
}
.piece {
width: 100%;
height: 100%;
display: flex;
align-items: center;
justify-content: center;
font-size: calc(var(--square-size) * 0.7);
cursor: grab;
color: #000;
}
.piece.white { color: #fff; }
@media (max-width: 1024px) {
.container {
grid-template-columns: 1fr;
grid-template-rows: auto auto;
}
.board-container {
margin: auto;
}
}
</style>
</head>
<body>
<div class="container">
<div class="board-container">
<div class="chessboard" id="board"></div>
</div>
<div class="controls">
<div class="status-panel">
<h3>Position Analysis</h3>
<p id="status">White to move</p>
<p id="evaluation">Evaluation: 0.0</p>
</div>
<button onclick="resetBoard()">Reset Board</button>
</div>
</div>
<script>
class ChessGame {
constructor() {
this.board = this.createInitialBoard();
this.currentPlayer = 'white';
this.selectedPiece = null;
this.initializeBoard();
}
createInitialBoard() {
return [
['♜', '♞', '♝', '♛', '♚', '♝', '♞', '♜'],
['♟', '♟', '♟', '♟', '♟', '♟', '♟', '♟'],
[null, null, null, null, null, null, null, null],
[null, null, null, null, null, null, null, null],
[null, null, null, null, null, null, null, null],
[null, null, null, null, null, null, null, null],
['♙', '♙', '♙', '♙', '♙', '♙', '♙', '♙'],
['♖', '♘', '♗', '♕', '♔', '♗', '♘', '♖']
];
}
initializeBoard() {
const boardElement = document.getElementById('board');
boardElement.innerHTML = '';
for (let row = 0; row < 8; row++) {
for (let col = 0; col < 8; col++) {
const square = document.createElement('div');
square.className = `square ${(row + col) % 2 === 0 ? 'white' : 'black'}`;
square.dataset.row = row;
square.dataset.col = col;
square.onclick = (e) => this.handleSquareClick(e);
if (this.board[row][col]) {
const piece = document.createElement('div');
piece.className = 'piece';
piece.textContent = this.board[row][col];
square.appendChild(piece);
}
boardElement.appendChild(square);
}
}
}
handleSquareClick(event) {
const square = event.target.closest('.square');
const row = parseInt(square.dataset.row);
const col = parseInt(square.dataset.col);
const piece = this.board[row][col];
const isWhitePiece = '♔♕♖♗♘♙'.includes(piece);
if (piece && ((this.currentPlayer === 'white' && isWhitePiece) ||
(this.currentPlayer === 'black' && !isWhitePiece))) {
this.selectPiece(row, col);
} else if (this.selectedPiece) {
this.tryMove(row, col);
}
}
selectPiece(row, col) {
document.querySelectorAll('.square').forEach(sq => sq.classList.remove('selected', 'valid-move', 'attack-move'));
document.querySelector(`[data-row="${row}"][data-col="${col}"]`).classList.add('selected');
this.selectedPiece = { row, col };
this.showValidMoves(row, col);
}
tryMove(toRow, toCol) {
const moves = this.getPieceMoves(this.selectedPiece.row, this.selectedPiece.col);
const isValidMove = moves.some(move => move.row === toRow && move.col === toCol);
if (isValidMove) {
this.makeMove(this.selectedPiece.row, this.selectedPiece.col, toRow, toCol);
}
document.querySelectorAll('.square').forEach(sq => sq.classList.remove('selected', 'valid-move', 'attack-move'));
this.selectedPiece = null;
}
makeMove(fromRow, fromCol, toRow, toCol) {
const piece = this.board[fromRow][fromCol];
this.board[fromRow][fromCol] = null;
this.board[toRow][toCol] = piece;
this.currentPlayer = this.currentPlayer === 'white' ? 'black' : 'white';
document.getElementById('status').textContent = `${this.currentPlayer} to move`;
this.initializeBoard();
}
}
const game = new ChessGame();
function resetBoard() { new ChessGame(); }
</script>
</body>
</html>
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