[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rn1qkbnr/pb2pppp/1p6/2p5/4P3/2NP4/PPP2PPP/R1BQKBNR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T03:06:49.237 UTC"] [GameStartTime "2025-05-19T03:06:48.453 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.29+0.09"] 1... Nc6 {-1.49 19/38 565 232850, White makes an illegal move: a1c1} 0-1