A fully functional chess game implemented in JavaScript for Val Town. This game includes all standard chess rules and features.

• Complete chess rules implementation
• Visual chessboard with proper piece movement
• Highlights for selected pieces and valid moves
• Support for special moves:
  • Castling (kingside and queenside)
  • En passant captures
  • Pawn promotion
• Game state tracking:
  • Check detection
  • Checkmate detection
  • Stalemate detection
  • Draw conditions (insufficient material, 50-move rule)
• Captured pieces display
• Reset game functionality

1. White moves first, followed by black
2. Click on a piece to select it
3. Valid moves will be highlighted on the board
4. Click on a highlighted square to move the selected piece
5. When a pawn reaches the opposite end of the board, you'll be prompted to choose a piece for promotion
6. The game automatically detects check, checkmate, and draw conditions
7. Use the "Reset Game" button to start a new game

The game is built using vanilla JavaScript with no external dependencies. The chess logic includes:

• Piece movement validation based on chess rules
• Check and checkmate detection
• Special move handling (castling, en passant, promotion)
• Game state management

The UI is styled with Tailwind CSS for a clean, responsive design.

• /index.ts - HTTP handler for serving the game
• /index.html - Main HTML file with the game layout
• /js/chess.js - Chess game logic implementation
• /css/styles.css - Custom styles for the chessboard and pieces

Potential enhancements for the future:

• Move history and notation
• Undo move functionality
• Timer/clock for timed games
• Save/load game state
• AI opponent