Play the model

Play against the engine.

Choose a side, clock, and engine strength. The game opens on a focused play board.

New game

A name is shown with the completed game. Leave it blank to play anonymously.

Play as

Visits limit how much the model searches before moving.

Clock
Advanced settings

Temperature controls lc0 move-selection sampling, not PolicyTemperature. A decay of 0 keeps it constant for the whole game.

Accepts standard FEN or the seventh Double Move field, for example WB, W-, or -Bm.

Quick guide

Double Move Chess

  1. Play ordinary chess moves.The board follows normal piece movement, castling, promotion, and en passant rules.
  2. Each side can move twice once.Press “Use double move” before the first move. The ability is spent when that move is accepted.
  3. Complete the second move.The first move may activate the ability only if at least one legal second move will remain. Your clock keeps running until the turn ends.
  4. Need a correction?A takeback returns to your previous decision point and is recorded with the game.

Read the complete rules and edge cases

Pawn promotion

Choose a piece