Play • Analyze • Master
Pick a mode to get started. More ways to play are on the way.
2-Player Local
The classic game. Pass and play on one board with move history, undo, and flip.
Stockfish Engine
Challenge the world's strongest engine. Pick your difficulty and test your skills.
vs Stockfish · Max
Every landing cracks the square. Three cracks and the square — and the piece on it — vanishes. Play against full-strength Stockfish.
After every move the duck roams ranks 3–6 on its own — eating any piece it lands on (except kings) and blocking pieces. Trap the king to win!
Powerups & More
Chess variants, powerups, and themed bots. The full iwantcheckmate-style arcade.