[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkbnr/ppp1n1pp/3p4/3Pp3/2P1Pp1P/3B2P1/PP3P2/RNBQK1NR b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T05:51:45.803 UTC"] [GameStartTime "2025-07-04T05:51:40.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.05+0.04"] 1... fxg3 {-0.20 9/9 127 0, White makes an illegal move: 0000} 0-1