Chess
Castle, promote, and checkmate
Offline
Play against bots, no connection needed.
Bot difficulty
Play as
Online play
Match with other players. Start when the table is full.
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Quick Match and rated friend rooms affect ratings (starting at 1200); practice matches and games ending before 10 plies do not
Puzzles
Completed 0 / 21Checkmate within the move limit against a master-level bot. Undo is disabled in puzzles; you may retry after failing.
My matches
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Live matches
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How to play
- White moves first. Checkmate the opposing king to win. A player with no legal moves who is not in check is stalemated: a draw.
- Castling requires an unmoved king and rook, no pieces between them, and a king that is not in check and does not pass through an attacked square.
- En passant: immediately after an opposing pawn advances two squares past your pawn, you may capture it diagonally on your next move.
- A pawn reaching the last rank promotes to queen, rook, bishop or knight. Threefold repetition, 50 moves without a capture or pawn move, or insufficient material result in a draw.