[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r2qk1nr/pbpn1pp1/1p1pp2p/8/2B1P3/P1NPB3/1PP2PPP/R2QK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:53:00.509 UTC"] [GameStartTime "2025-05-19T02:53:00.162 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1. Rc1 {White makes an illegal move: b2b3} 0-1