[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r1bqk2r/ppp2ppp/2np1n2/b3p3/4P3/N1P2N2/PP1PBPPP/R1BQ1RK1 w kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T03:06:53.070 UTC"] [GameStartTime "2025-05-19T03:06:53.068 UTC"] [PlyCount "0"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.29+0.09"] {White makes an illegal move: b5b4} 0-1