{ "description": "Play chess with legal UCI moves against a Moonfish engine, a random opponent, or in self-play. Observations include the FEN board position, legal moves, and game outcome.", "tags": ["openenv", "rl-environment", "chess", "strategy", "board-game", "self-play"], "representative_queries": [ "find a chess environment with a configurable opponent", "evaluate move selection from a FEN board position", "run chess self-play through an OpenEnv client" ] }