Explore
Choose Your Mode
Whether you want to improve, compete, or collaborate — Stockfish has you covered.
Play vs AI
Face off against Stockfish at any skill level. Adjust depth and time controls to find your perfect challenge.
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AI vs AI
Watch two Stockfish engines battle it out. Learn from their strategies, openings and endgame techniques.
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Analysis Board
Deep-dive into any position. Import FEN or PGN, get multi-line engine analysis, and find the best moves instantly.
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Play Online
Create a private room or join a friend with a code. Real-time multiplayer with live clocks and move sync.
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