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Play Chess Against AI Online
Play a complete browser chess game against AI with legal move highlights, castling, en passant, promotion, undo, timer, captured pieces, and move history.
Complete browser chess game
Chess AI Trainer
Play a polished chess game against a built-in AI with legal move highlighting, castling, en passant, promotion, checkmate detection, undo, move history, and mobile-friendly controls.
You play White. Select a piece to see every legal move. The AI automatically replies as Black.
Captured pieces
Move history
No moves yet.
Rules included
Legal move validation, check, checkmate, stalemate, castling, en passant, and automatic queen promotion are handled locally in your browser.
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How to play Chess AI Trainer
Open the game on a phone, tablet, or desktop browser.
Use the on-screen controls or supported keyboard controls to play.
Start a new game at any time and try to improve your score or result.
Frequently Asked Questions
Is Chess AI Trainer free to play?
Yes. It runs in your browser without an account, API key, download, or payment.
Does it work on mobile?
Yes. The board and controls resize for mobile screens and support touch input.
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