Pussel

Visit every square on the board exactly once using only knight moves. Choose your board size and race the clock.

White to move — find the shortest winning line. Force Black into zugzwang, where every move makes their position worse.

Capture all 16 pawns with a single knight in exactly 16 moves — one capture per move. Race the clock and claim your spot on the leaderboard.

Place one queen in every colored region — no two queens may share a row, column, or diagonal. A new logic puzzle every day with sizes 4×4 to 10×10.

Build your own chess puzzle by dragging pieces onto the board, then share the link. Others play white against Stockfish Hard — fastest checkmate wins the leaderboard.