[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "1-0"] [FEN "rnbqkb1r/pp2p1pp/2p2n2/5p2/8/3P1B2/PPP2PPP/RNBQK1NR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:32:12.853 UTC"] [GameStartTime "2025-05-19T02:32:12.415 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "36.89+0.37"] 1... c5 2. a3 {Black makes an illegal move: a1c1} 1-0