CCRL Challenger

Set up your game

New Game

Choose your side and how much time the engine gets for each move.

Playing against: RubiChess 20220223 64-bit 8CPU

Play as

White Black Random

Computer move time

From 0.001 to 5 seconds per computer move.

Use opening book

Maximum book moves

Number of moves for which the opening book may be used.

Choose a new opponent