[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r1b1kbnr/ppqp1ppp/2n5/2P1p3/1P6/P1P1P3/5PPP/RNBQKBNR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T03:07:11.670 UTC"] [GameStartTime "2025-05-19T03:07:11.152 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.29+0.09"] 1... Nf6 {-1.11 18/40 498 337803, White makes an illegal move: a2a3} 0-1