[Event "?"]
[Site "?"]
[Date "2025.05.19"]
[Round "1"]
[White "Integral-dev"]
[Black "Integral-base"]
[Result "1-0"]
[FEN "r1bqk2r/pp3pp1/2nbpn1p/2pp4/3P1B1P/2P1P2N/PP2BPP1/RN1QK2R b KQkq - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-05-19T02:31:56.856 UTC"]
[GameStartTime "2025-05-19T02:31:56.452 UTC"]
[PlyCount "1"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "39.44+0.39"]

1... c4 {Black makes an illegal move: a1c1} 1-0