[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rnbqk2r/pp3ppp/1bp2n2/3pN3/3P4/3BP3/PPP2PPP/RNBQK2R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T03:06:39.452 UTC"] [GameStartTime "2025-05-19T03:06:38.803 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.29+0.09"] 1... O-O {-1.45 18/34 636 422879, White makes an illegal move: b5b4} 0-1