[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-dev"] [Black "Integral-base"] [Result "0-1"] [FEN "r1bq1rk1/1pppbppp/p4n2/n3N3/B3P3/2PP4/PP3PPP/RNBQK2R b KQ - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T02:50:37.619 UTC"] [GameStartTime "2025-05-19T02:50:35.701 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.84+0.1"] 1... c5 {-1.70 18/36 1053 450577} 2. a3 {White makes an illegal move: a1c1} 0-1