[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rnbqk2r/ppp1p1bp/3p1ppn/8/4PP2/2N2N2/PPPPB1PP/R1BQ1RK1 b kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T03:11:41.450 UTC"] [GameStartTime "2025-05-19T03:11:40.472 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.32+0.09"] 1... O-O {-1.35 17/36 673 393414} 2. a3 {White makes an illegal move: a2a3} 0-1