[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rnbqk1nr/pppp1ppp/3bp3/8/3P2P1/2N5/PPP1PPBP/R1BQK1NR b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T03:12:28.680 UTC"] [GameStartTime "2025-05-19T03:12:27.343 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.32+0.09"] 1... Nc6 {-1.55 19/35 1261 816600} 2. a3 {White makes an illegal move: a2a3} 0-1