Play Atomic Chess.
Play solo against the computer, with friends online, or on one device.
1 player vs computer or 2 players · Free to play · No account needed
Choose how to play.
Fairy-Stockfish runs on your device. First use loads about 1.1 MiB.
Your level is remembered on this device. Solo games are unrated.
Online play needs a connection. Invitation rooms are private and expire seven days after the last move. Local play works on one device without connecting to the room service.
How to play Atomic Chess
Standard chess setup and moves, with explosive captures: the capturing piece, captured piece and adjacent non-pawns disappear. Adjacent pawns survive. En passant explodes at the capturing pawn’s destination. A move that explodes your own king is illegal. Kings cannot capture, but may stand next to one another. Explode the opposing king or deliver checkmate to win. Stalemate, insufficient material, threefold repetition or fifty moves without a pawn move or capture draws. Castling and all four promotions are supported.
Rules credits and corresponding source · Computer engine credits and source
Before you play
How many people can play Atomic Chess?
Play solo against the computer, or with 2 players. Choose your mode above before starting.
How do I invite friends?
Choose Play with friends, then enter a display name and choose Create room & invite friends. Copy the invite link and send it to your friends. They enter their own names to join; no account or download is needed. Only people with the link or room code can join.
Can we play on one device?
Yes. Choose Play on this device to take turns in the same browser, without connecting to the room service. JavaScript is needed for both local and online play.
Can I play against the computer?
Yes. Choose Play solo, pick Easy, Normal or Hard, then Start solo game. You can change the level during a game. No account or room connection is needed.
Is Atomic Chess free to play?
Yes. Local tables and private online rooms are free to play. Online play needs an internet connection; rooms expire seven days after the last move.