[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rnbqk2r/pp1pn1bp/2p1ppp1/8/3PPP1B/3B1N2/PPP3PP/RN1QK2R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:54:45.538 UTC"] [GameStartTime "2025-05-19T02:54:44.661 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1... d5 {-1.31 18/35 726 314455, White makes an illegal move: a1c1} 0-1