[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "1-0"] [FEN "rn1qk2r/1bp2ppp/p2bpn2/1p6/3N4/P3P3/BP1P1PPP/RNBQ1RK1 w kq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T02:54:04.848 UTC"] [GameStartTime "2025-05-19T02:54:03.096 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1. b4 {-1.07 19/40 1251 653946, Black makes an illegal move: b2b3} 1-0