Chess

Play Chess in your browser against a lightweight computer opponent with three settings, or share the board with someone on the same device. The build handles legal moves, castling, en passant, promotion, check, checkmate and stalemate. A daily mate-in-one challenge adds a short puzzle. The computer is designed for casual play, not competitive analysis. This release remains Beta.

Controls

Click or tap a piece, then a highlighted square.. Tab to focus the board, arrows to move focus, Enter or Space to select, and Escape to clear selection..

How to play

Choose a computer game or local two-player game. Select a piece, then a highlighted destination. Take turns as White and Black, keep your king safe, and aim for checkmate. When a pawn reaches the last rank, choose its promotion piece.

Click or tap a piece, then a highlighted square.. Tab to focus the board, arrows to move focus, Enter or Space to select, and Escape to clear selection..

Modes and local progress

Play Chess in your browser against a lightweight computer opponent with three settings, or share the board with someone on the same device. The build handles legal moves, castling, en passant, promotion, check, checkmate and stalemate. A daily mate-in-one challenge adds a short puzzle. The computer is designed for casual play, not competitive analysis.

ZAROCER opens this build in English. Progress and records stay in this browser when storage is available. Use native continuation controls after reloading. Clearing site data can remove saves. Pause, Theater and Fullscreen preserve one game instance.