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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 Multiplayer</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        .chess-board {
            width: min(90vw, 90vh);
            height: min(90vw, 90vh);
            display: grid;
            grid-template-columns: repeat(8, 1fr);
            grid-template-rows: repeat(8, 1fr);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            border-radius: 8px;
            overflow: hidden;
        }
        
        .square {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        
        .square:hover {
            filter: brightness(1.1);
        }
        
        .light {
            background-color: #f0d9b5;
        }
        
        .dark {
            background-color: #b58863;
        }
        
        .highlight {
            box-shadow: inset 0 0 20px 5px rgba(255, 255, 0, 0.5);
        }
        
        .possible-move {
            position: absolute;
            width: 30%;
            height: 30%;
            background-color: rgba(0, 0, 0, 0.3);
            border-radius: 50%;
        }
        
        .capture-move {
            position: absolute;
            width: 80%;
            height: 80%;
            border: 5px solid rgba(0, 0, 0, 0.3);
            border-radius: 50%;
            box-sizing: border-box;
        }
        
        .piece {
            width: 80%;
            height: 80%;
            background-size: contain;
            background-repeat: no-repeat;
            background-position: center;
            z-index: 10;
            transition: all 0.2s ease;
        }
        
        .piece.dragging {
            transform: scale(1.2);
            z-index: 20;
        }
        
        .player-info {
            transition: all 0.3s ease;
        }
        
        .player-info.active {
            transform: scale(1.05);
            box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        
        .waiting-animation {
            animation: pulse 1.5s infinite;
        }
    </style>
</head>
<body class="bg-gray-100 min-h-screen flex flex-col items-center justify-center p-4">
    <div class="w-full max-w-6xl">
        <header class="text-center mb-6">
            <h1 class="text-4xl font-bold text-gray-800 mb-2">Chess Multiplayer</h1>
            <p class="text-gray-600">Play chess in real-time with friends</p>
        </header>
        
        <div class="flex flex-col lg:flex-row gap-6 items-center lg:items-start justify-center">
            <!-- Player 1 Info -->
            <div id="player1" class="player-info bg-white rounded-lg shadow-md p-4 w-full lg:w-64 order-1 lg:order-1">
                <div class="flex items-center mb-3">
                    <div class="w-10 h-10 rounded-full bg-blue-500 flex items-center justify-center text-white font-bold mr-3">P1</div>
                    <div>
                        <h3 class="font-semibold text-gray-800">Player 1</h3>
                        <p class="text-sm text-gray-500">White Pieces</p>
                    </div>
                </div>
                <div class="flex justify-between items-center">
                    <span class="text-gray-700">Rating: 1200</span>
                    <div class="relative">
                        <div class="w-3 h-3 rounded-full bg-green-500 animate-pulse"></div>
                        <span class="text-xs text-gray-500 ml-1">Online</span>
                    </div>
                </div>
                <div class="mt-3 pt-3 border-t border-gray-200">
                    <div class="flex justify-between">
                        <span class="text-gray-600">Time:</span>
                        <span class="font-mono text-gray-800">15:00</span>
                    </div>
                </div>
            </div>
            
            <!-- Chess Board -->
            <div class="order-3 lg:order-2">
                <div class="chess-board" id="board"></div>
                
                <div class="mt-4 flex justify-center gap-4">
                    <button id="newGameBtn" class="bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded-lg transition">
                        <i class="fas fa-plus mr-2"></i>New Game
                    </button>
                    <button id="offerDrawBtn" class="bg-yellow-500 hover:bg-yellow-600 text-white px-4 py-2 rounded-lg transition">
                        <i class="fas fa-handshake mr-2"></i>Offer Draw
                    </button>
                    <button id="resignBtn" class="bg-red-500 hover:bg-red-600 text-white px-4 py-2 rounded-lg transition">
                        <i class="fas fa-flag mr-2"></i>Resign
                    </button>
                </div>
            </div>
            
            <!-- Player 2 Info -->
            <div id="player2" class="player-info bg-white rounded-lg shadow-md p-4 w-full lg:w-64 order-2 lg:order-3">
                <div class="flex items-center mb-3">
                    <div class="w-10 h-10 rounded-full bg-red-500 flex items-center justify-center text-white font-bold mr-3">P2</div>
                    <div>
                        <h3 class="font-semibold text-gray-800">Player 2</h3>
                        <p class="text-sm text-gray-500">Black Pieces</p>
                    </div>
                </div>
                <div class="flex justify-between items-center">
                    <span class="text-gray-700">Rating: 1250</span>
                    <div class="relative">
                        <div class="w-3 h-3 rounded-full bg-green-500 animate-pulse"></div>
                        <span class="text-xs text-gray-500 ml-1">Online</span>
                    </div>
                </div>
                <div class="mt-3 pt-3 border-t border-gray-200">
                    <div class="flex justify-between">
                        <span class="text-gray-600">Time:</span>
                        <span class="font-mono text-gray-800">15:00</span>
                    </div>
                </div>
            </div>
        </div>
        
        <!-- Game Controls -->
        <div class="mt-8 bg-white rounded-lg shadow-md p-4">
            <h3 class="font-semibold text-lg text-gray-800 mb-3">Game Controls</h3>
            <div class="flex flex-wrap gap-3">
                <button class="bg-gray-200 hover:bg-gray-300 text-gray-800 px-3 py-1 rounded-lg transition flex items-center">
                    <i class="fas fa-undo-alt mr-2"></i> Undo
                </button>
                <button class="bg-gray-200 hover:bg-gray-300 text-gray-800 px-3 py-1 rounded-lg transition flex items-center">
                    <i class="fas fa-redo-alt mr-2"></i> Redo
                </button>
                <button class="bg-gray-200 hover:bg-gray-300 text-gray-800 px-3 py-1 rounded-lg transition flex items-center">
                    <i class="fas fa-volume-up mr-2"></i> Sound
                </button>
                <button class="bg-gray-200 hover:bg-gray-300 text-gray-800 px-3 py-1 rounded-lg transition flex items-center">
                    <i class="fas fa-cog mr-2"></i> Settings
                </button>
            </div>
        </div>
        
        <!-- Chat Section -->
        <div class="mt-6 bg-white rounded-lg shadow-md p-4">
            <h3 class="font-semibold text-lg text-gray-800 mb-3">Game Chat</h3>
            <div class="h-40 overflow-y-auto mb-3 border border-gray-200 rounded-lg p-2" id="chatMessages">
                <div class="text-sm text-gray-500 italic">No messages yet. Start chatting!</div>
            </div>
            <div class="flex gap-2">
                <input type="text" placeholder="Type your message..." class="flex-1 border border-gray-300 rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500">
                <button class="bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded-lg transition">
                    <i class="fas fa-paper-plane"></i>
                </button>
            </div>
        </div>
    </div>
    
    <!-- Game Over Modal -->
    <div id="gameOverModal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center hidden z-50">
        <div class="bg-white rounded-lg p-6 max-w-md w-full mx-4">
            <h2 class="text-2xl font-bold text-center mb-4">Game Over</h2>
            <p id="gameResult" class="text-center text-lg mb-6">White wins by checkmate!</p>
            <div class="flex justify-center gap-4">
                <button id="rematchBtn" class="bg-green-600 hover:bg-green-700 text-white px-4 py-2 rounded-lg transition">
                    <i class="fas fa-redo mr-2"></i> Rematch
                </button>
                <button id="closeModalBtn" class="bg-gray-600 hover:bg-gray-700 text-white px-4 py-2 rounded-lg transition">
                    Close
                </button>
            </div>
        </div>
    </div>
    
    <script>
        document.addEventListener('DOMContentLoaded', function() {
            // Initialize the chess board
            const board = document.getElementById('board');
            const squares = [];
            let selectedSquare = null;
            let currentPlayer = 'white';
            let gameActive = true;
            
            // Initialize the board squares
            for (let i = 0; i < 8; i++) {
                for (let j = 0; j < 8; j++) {
                    const square = document.createElement('div');
                    const isLight = (i + j) % 2 === 0;
                    square.className = `square ${isLight ? 'light' : 'dark'}`;
                    square.dataset.row = i;
                    square.dataset.col = j;
                    
                    // Add coordinates for the first and last ranks
                    if (i === 0 || i === 7) {
                        const coord = document.createElement('div');
                        coord.className = `absolute ${i === 0 ? 'top-1 left-1' : 'bottom-1 right-1'} text-xs font-mono ${isLight ? 'text-gray-800' : 'text-gray-100'}`;
                        coord.textContent = String.fromCharCode(97 + j);
                        square.appendChild(coord);
                    }
                    
                    // Add coordinates for the a and h files
                    if (j === 0 || j === 7) {
                        const coord = document.createElement('div');
                        coord.className = `absolute ${j === 0 ? 'top-1 left-1' : 'bottom-1 right-1'} text-xs font-mono ${isLight ? 'text-gray-800' : 'text-gray-100'}`;
                        coord.textContent = 8 - i;
                        square.appendChild(coord);
                    }
                    
                    square.addEventListener('click', () => handleSquareClick(square));
                    
                    // Drag and drop functionality
                    square.addEventListener('dragstart', handleDragStart);
                    square.addEventListener('dragover', handleDragOver);
                    square.addEventListener('drop', handleDrop);
                    square.addEventListener('dragend', handleDragEnd);
                    
                    board.appendChild(square);
                    squares.push(square);
                }
            }
            
            // Set up initial pieces
            setupInitialPieces();
            
            // Highlight active player
            updateActivePlayer();
            
            // Modal controls
            document.getElementById('closeModalBtn').addEventListener('click', () => {
                document.getElementById('gameOverModal').classList.add('hidden');
            });
            
            document.getElementById('rematchBtn').addEventListener('click', () => {
                document.getElementById('gameOverModal').classList.add('hidden');
                resetGame();
            });
            
            document.getElementById('newGameBtn').addEventListener('click', resetGame);
            
            // Simulate a game over after 5 seconds for demo purposes
            // setTimeout(() => {
            //     showGameOver("White wins by checkmate!");
            // }, 5000);
            
            function setupInitialPieces() {
                // Helper function to create a piece
                const createPiece = (type, color) => {
                    const piece = document.createElement('div');
                    piece.className = `piece ${color}`;
                    piece.draggable = true;
                    piece.dataset.type = type;
                    piece.dataset.color = color;
                    
                    // Use Unicode chess characters for pieces
                    const symbols = {
                        king: '♔',
                        queen: '♕',
                        rook: '♖',
                        bishop: '♗',
                        knight: '♘',
                        pawn: '♙'
                    };
                    
                    piece.textContent = color === 'white' ? symbols[type] : symbols[type].toLowerCase();
                    piece.style.fontSize = '2.5rem';
                    piece.style.lineHeight = '1';
                    piece.style.textShadow = '1px 1px 2px rgba(0,0,0,0.3)';
                    piece.style.color = color === 'white' ? '#fff' : '#000';
                    
                    return piece;
                };
                
                // Set up pawns
                for (let i = 0; i < 8; i++) {
                    squares[8 + i].appendChild(createPiece('pawn', 'white'));
                    squares[48 + i].appendChild(createPiece('pawn', 'black'));
                }
                
                // Set up back row pieces
                const backRow = ['rook', 'knight', 'bishop', 'queen', 'king', 'bishop', 'knight', 'rook'];
                for (let i = 0; i < 8; i++) {
                    squares[i].appendChild(createPiece(backRow[i], 'white'));
                    squares[56 + i].appendChild(createPiece(backRow[i], 'black'));
                }
            }
            
            function handleSquareClick(square) {
                if (!gameActive) return;
                
                const piece = square.firstChild;
                
                // If no piece is selected and the clicked square has a piece of the current player's color
                if (!selectedSquare && piece && piece.dataset.color === currentPlayer) {
                    selectedSquare = square;
                    square.classList.add('highlight');
                    showPossibleMoves(square);
                    return;
                }
                
                // If a piece is already selected
                if (selectedSquare) {
                    // If clicking on the same piece, deselect it
                    if (square === selectedSquare) {
                        clearSelection();
                        return;
                    }
                    
                    // If clicking on another piece of the same color, select that piece instead
                    if (piece && piece.dataset.color === currentPlayer) {
                        clearSelection();
                        selectedSquare = square;
                        square.classList.add('highlight');
                        showPossibleMoves(square);
                        return;
                    }
                    
                    // Check if the move is valid (simplified for demo)
                    const fromRow = parseInt(selectedSquare.dataset.row);
                    const fromCol = parseInt(selectedSquare.dataset.col);
                    const toRow = parseInt(square.dataset.row);
                    const toCol = parseInt(square.dataset.col);
                    
                    if (isValidMove(fromRow, fromCol, toRow, toCol, selectedSquare.firstChild)) {
                        // Move the piece
                        const pieceToMove = selectedSquare.firstChild;
                        square.innerHTML = '';
                        square.appendChild(pieceToMove);
                        
                        // Switch player
                        currentPlayer = currentPlayer === 'white' ? 'black' : 'white';
                        updateActivePlayer();
                    }
                    
                    clearSelection();
                }
            }
            
            function showPossibleMoves(square) {
                const piece = square.firstChild;
                if (!piece) return;
                
                const row = parseInt(square.dataset.row);
                const col = parseInt(square.dataset.col);
                const type = piece.dataset.type;
                const color = piece.dataset.color;
                
                // Simplified possible moves for demo
                if (type === 'pawn') {
                    const direction = color === 'white' ? 1 : -1;
                    
                    // Forward move
                    const forwardRow = row + direction;
                    if (forwardRow >= 0 && forwardRow < 8) {
                        const forwardSquare = squares[forwardRow * 8 + col];
                        if (!forwardSquare.firstChild) {
                            addPossibleMoveIndicator(forwardSquare);
                        }
                        
                        // Initial double move
                        if ((color === 'white' && row === 1) || (color === 'black' && row === 6)) {
                            const doubleRow = row + 2 * direction;
                            const doubleSquare = squares[doubleRow * 8 + col];
                            if (!doubleSquare.firstChild && !forwardSquare.firstChild) {
                                addPossibleMoveIndicator(doubleSquare);
                            }
                        }
                    }
                    
                    // Capture moves
                    const captureCols = [col - 1, col + 1];
                    for (const capCol of captureCols) {
                        if (capCol >= 0 && capCol < 8) {
                            const capRow = row + direction;
                            if (capRow >= 0 && capRow < 8) {
                                const capSquare = squares[capRow * 8 + capCol];
                                if (capSquare.firstChild && capSquare.firstChild.dataset.color !== color) {
                                    addCaptureMoveIndicator(capSquare);
                                }
                            }
                        }
                    }
                } else if (type === 'knight') {
                    const moves = [
                        [row + 2, col + 1], [row + 2, col - 1],
                        [row - 2, col + 1], [row - 2, col - 1],
                        [row + 1, col + 2], [row + 1, col - 2],
                        [row - 1, col + 2], [row - 1, col - 2]
                    ];
                    
                    for (const [r, c] of moves) {
                        if (r >= 0 && r < 8 && c >= 0 && c < 8) {
                            const moveSquare = squares[r * 8 + c];
                            if (!moveSquare.firstChild || moveSquare.firstChild.dataset.color !== color) {
                                if (moveSquare.firstChild) {
                                    addCaptureMoveIndicator(moveSquare);
                                } else {
                                    addPossibleMoveIndicator(moveSquare);
                                }
                            }
                        }
                    }
                }
            }
            
            function addPossibleMoveIndicator(square) {
                const indicator = document.createElement('div');
                indicator.className = 'possible-move';
                square.appendChild(indicator);
            }
            
            function addCaptureMoveIndicator(square) {
                const indicator = document.createElement('div');
                indicator.className = 'capture-move';
                square.appendChild(indicator);
            }
            
            function clearSelection() {
                if (selectedSquare) {
                    selectedSquare.classList.remove('highlight');
                    
                    // Remove all possible move indicators
                    document.querySelectorAll('.possible-move, .capture-move').forEach(ind => ind.remove());
                    
                    selectedSquare = null;
                }
            }
            
            function isValidMove(fromRow, fromCol, toRow, toCol, piece) {
                // Very simplified move validation for demo
                const type = piece.dataset.type;
                const color = piece.dataset.color;
                
                if (type === 'pawn') {
                    const direction = color === 'white' ? 1 : -1;
                    
                    // Forward move
                    if (fromCol === toCol) {
                        // Single move forward
                        if (toRow === fromRow + direction) {
                            return !squares[toRow * 8 + toCol].firstChild;
                        }
                        
                        // Double move from starting position
                        if ((color === 'white' && fromRow === 1 && toRow === 3) || 
                            (color === 'black' && fromRow === 6 && toRow === 4)) {
                            return !squares[toRow * 8 + toCol].firstChild && 
                                   !squares[(fromRow + direction) * 8 + toCol].firstChild;
                        }
                    }
                    
                    // Capture move
                    if (Math.abs(toCol - fromCol) === 1 && toRow === fromRow + direction) {
                        const targetSquare = squares[toRow * 8 + toCol];
                        return targetSquare.firstChild && targetSquare.firstChild.dataset.color !== color;
                    }
                    
                    return false;
                } else if (type === 'knight') {
                    const rowDiff = Math.abs(toRow - fromRow);
                    const colDiff = Math.abs(toCol - fromCol);
                    return (rowDiff === 2 && colDiff === 1) || (rowDiff === 1 && colDiff === 2);
                }
                
                // For demo, allow any move for other pieces
                return true;
            }
            
            function updateActivePlayer() {
                const player1 = document.getElementById('player1');
                const player2 = document.getElementById('player2');
                
                if (currentPlayer === 'white') {
                    player1.classList.add('active');
                    player2.classList.remove('active');
                } else {
                    player1.classList.remove('active');
                    player2.classList.add('active');
                }
            }
            
            function showGameOver(message) {
                gameActive = false;
                document.getElementById('gameResult').textContent = message;
                document.getElementById('gameOverModal').classList.remove('hidden');
            }
            
            function resetGame() {
                // Clear the board
                squares.forEach(square => {
                    square.innerHTML = '';
                    const isLight = (parseInt(square.dataset.row) + parseInt(square.dataset.col)) % 2 === 0;
                    square.className = `square ${isLight ? 'light' : 'dark'}`;
                    
                    // Re-add coordinates if needed
                    const i = parseInt(square.dataset.row);
                    const j = parseInt(square.dataset.col);
                    
                    if (i === 0 || i === 7) {
                        const coord = document.createElement('div');
                        coord.className = `absolute ${i === 0 ? 'top-1 left-1' : 'bottom-1 right-1'} text-xs font-mono ${isLight ? 'text-gray-800' : 'text-gray-100'}`;
                        coord.textContent = String.fromCharCode(97 + j);
                        square.appendChild(coord);
                    }
                    
                    if (j === 0 || j === 7) {
                        const coord = document.createElement('div');
                        coord.className = `absolute ${j === 0 ? 'top-1 left-1' : 'bottom-1 right-1'} text-xs font-mono ${isLight ? 'text-gray-800' : 'text-gray-100'}`;
                        coord.textContent = 8 - i;
                        square.appendChild(coord);
                    }
                });
                
                // Reset game state
                currentPlayer = 'white';
                gameActive = true;
                selectedSquare = null;
                
                // Set up pieces again
                setupInitialPieces();
                updateActivePlayer();
            }
            
            // Drag and drop functions
            function handleDragStart(e) {
                if (!gameActive) {
                    e.preventDefault();
                    return;
                }
                
                const piece = e.target;
                if (piece.classList.contains('piece') && piece.dataset.color === currentPlayer) {
                    e.dataTransfer.setData('text/plain', piece.dataset.type);
                    piece.classList.add('dragging');
                    
                    // Set the drag image to be transparent
                    const dragImage = document.createElement('div');
                    dragImage.style.opacity = '0';
                    document.body.appendChild(dragImage);
                    e.dataTransfer.setDragImage(dragImage, 0, 0);
                    setTimeout(() => document.body.removeChild(dragImage), 0);
                } else {
                    e.preventDefault();
                }
            }
            
            function handleDragOver(e) {
                e.preventDefault();
            }
            
            function handleDrop(e) {
                e.preventDefault();
                if (!gameActive) return;
                
                const fromSquare = document.querySelector('.piece.dragging').parentElement;
                const toSquare = e.currentTarget;
                
                if (fromSquare === toSquare) {
                    document.querySelector('.piece.dragging').classList.remove('dragging');
                    return;
                }
                
                const piece = fromSquare.firstChild;
                const fromRow = parseInt(fromSquare.dataset.row);
                const fromCol = parseInt(fromSquare.dataset.col);
                const toRow = parseInt(toSquare.dataset.row);
                const toCol = parseInt(toSquare.dataset.col);
                
                if (isValidMove(fromRow, fromCol, toRow, toCol, piece)) {
                    // Move the piece
                    toSquare.innerHTML = '';
                    toSquare.appendChild(piece);
                    
                    // Switch player
                    currentPlayer = currentPlayer === 'white' ? 'black' : 'white';
                    updateActivePlayer();
                }
                
                piece.classList.remove('dragging');
            }
            
            function handleDragEnd(e) {
                document.querySelectorAll('.piece.dragging').forEach(p => p.classList.remove('dragging'));
            }
        });
    </script>
<p style="border-radius: 8px; text-align: center; font-size: 12px; color: #fff; margin-top: 16px;position: fixed; left: 8px; bottom: 8px; z-index: 10; background: rgba(0, 0, 0, 0.8); padding: 4px 8px;">Made with <img src="https://enzostvs-deepsite.hf.space/logo.svg" alt="DeepSite Logo" style="width: 16px; height: 16px; vertical-align: middle;display:inline-block;margin-right:3px;filter:brightness(0) invert(1);"><a href="https://enzostvs-deepsite.hf.space" style="color: #fff;text-decoration: underline;" target="_blank" >DeepSite</a> - 🧬 <a href="https://enzostvs-deepsite.hf.space?remix=Naikjit/chees" style="color: #fff;text-decoration: underline;" target="_blank" >Remix</a></p></body>
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