[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rnb1kbnr/p4pp1/2pp1q2/1p2p2p/4P3/1BNPBQ1P/PPP2PP1/R3K1NR b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T03:11:45.700 UTC"] [GameStartTime "2025-05-19T03:11:44.195 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.32+0.09"] 1... a5 {-1.00 19/37 1135 562685} 2. Rc1 {White makes an illegal move: a1c1} 0-1