[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rn1qnrk1/pbpp1ppp/1p2p3/8/1bPPPP2/2NB1N2/PP2Q1PP/R1B1K2R b KQ - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:54:33.388 UTC"] [GameStartTime "2025-05-19T02:54:32.450 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1... c5 {-1.19 16/35 684 293243, White makes an illegal move: a1c1} 0-1