[Event "?"] [Site "?"] [Date "2025.05.20"] [Round "1"] [White "Integral-base"] [Black "Reckless-dev"] [Result "0-1"] [FEN "rnbqkbnr/3p1ppp/p3p3/1pp5/P3P3/2N2PP1/1PPP3P/R1BQKBNR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-20T09:03:06.056 PDT"] [GameStartTime "2025-05-20T09:03:05.591 PDT"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "8.8+0.09"] 1... b4 {+1.51 18/25 378 450539, White makes an illegal move: c5c4} 0-1