[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "1-0"] [FEN "rnb1kbnr/pp2q1p1/2pp3p/4p3/2B1P3/2N2N1P/PPP1QPP1/R1B1K2R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:32:31.020 UTC"] [GameStartTime "2025-05-19T02:32:30.537 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "36.89+0.37"] 1... c5 2. a3 {Black makes an illegal move: c6c5} 1-0