[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-dev"] [Black "Integral-base"] [Result "0-1"] [FEN "r1bqkbnr/1ppp1ppp/2n1p3/p7/3PPB2/2N5/PPP2PPP/R2QKBNR b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T02:53:36.602 UTC"] [GameStartTime "2025-05-19T02:53:34.956 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.79+0.1"] 1... Nf6 {-1.66 18/34 1237 615225} 2. Rc1 {White makes an illegal move: a1c1} 0-1