[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-dev"] [Black "Integral-base"] [Result "0-1"] [FEN "r1b1kbnr/1pp3pp/p1nq1p2/4p3/3pP2B/3P1N2/PPP1NPPP/R2QKB1R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:54:03.792 UTC"] [GameStartTime "2025-05-19T02:54:03.759 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.79+0.1"] 1. Rc1 {White makes an illegal move: a1c1} 0-1