[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rnbqkb1r/pp2pp1p/2p2np1/6B1/3P4/4PN2/PP2BPPP/RN1QK2R b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T03:11:18.880 UTC"] [GameStartTime "2025-05-19T03:11:17.655 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.32+0.09"] 1... c5 {-1.19 20/41 1174 971027} 2. a3 {White makes an illegal move: a2a3} 0-1