[Event "?"] [Site "?"] [Date "2025.05.18"] [Round "1"] [White "Integral-dev"] [Black "Integral-base"] [Result "1-0"] [FEN "r2qkbnr/1ppnp1pp/p4p2/3p1b2/3P1P2/2P1PN2/PP4PP/RNBQKB1R w KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-18T19:29:48.518 PDT"] [GameStartTime "2025-05-18T19:29:46.910 PDT"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "20.73+0.21"] 1. c4 {+1.22 20/40 1402 1518404, Black makes an illegal move: g5g4} 1-0