[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r1bqkb1r/pp4pp/2n1p3/2ppPpn1/3P4/2PB1P2/PP2N1PP/RNBQ1RK1 w kq f6 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T03:33:34.966 UTC"] [GameStartTime "2025-05-19T03:33:34.872 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.4+0.09"] 1. a3 {White makes an illegal move: a2a3} 0-1