[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-dev"] [Black "Integral-base"] [Result "0-1"] [FEN "rnbqkb1r/pp1npp1p/2pp2p1/6B1/2BPP3/2N2N2/PPP2PPP/R2QK2R b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T02:53:56.262 UTC"] [GameStartTime "2025-05-19T02:53:54.941 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.79+0.1"] 1... b5 {-1.50 17/33 1195 531538} 2. Rc1 {White makes an illegal move: a1c1} 0-1