🎮 How to play:

• Choose your side: ♔ (White) or ♚ (Black)
• Adjust difficulty: From level 1 (easy) to 6 (Stockfish expert)
• Make moves: Drag and drop pieces
• Pawn promotion: When a pawn reaches the end, choose promotion piece

🔄 Top controls:

• ℹ️ Game information
• ↻ Flip board
• ↶ Undo move
• ↺ New game

💾 Bottom controls:

• 💾 Save game (PNG)
• 📂 Load saved game
• ★ Immortal Game with comments
• ⏮ ◀ ▶ ⏭ Navigate through moves

🏆 Chess Variants:

• Standard (S): Traditional chess with standard starting position
• Fischer Random (F): Also known as Chess960. The back rank pieces are randomly arranged following specific rules:
• Two bishops must be on opposite-colored squares
• The king must be between the two rooks
• There are 960 possible starting positions
• Castling rules adapt to the random setup
• Eliminates opening theory memorization

🤖 Chess engine:

Levels 1-5: Optimized minimax algorithm
Level 6: Full Stockfish (world's strongest engine)