[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-dev"] [Black "Integral-base"] [Result "0-1"] [FEN "rnbqk2r/ppp2ppp/1b3n2/3p4/3P4/PP3N2/2P1PPPP/RNBQKB1R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:54:08.960 UTC"] [GameStartTime "2025-05-19T02:54:08.254 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.79+0.1"] 1... c5 {-1.74 18/39 672 339731, White makes an illegal move: a1c1} 0-1