[Event "?"] [Site "?"] [Date "2025.05.18"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r2qk2r/pp1n1ppp/5n2/2bp1p2/8/4PN2/PPP2PPP/RNBQ1RK1 w kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-18T19:29:49.318 PDT"] [GameStartTime "2025-05-18T19:29:49.318 PDT"] [PlyCount "0"] [SetUp "1"] [Termination "illegal move"] [TimeControl "20.73+0.21"] {White makes an illegal move: g5g4} 0-1