[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qkbnr/ppp1n1pp/3p4/3Ppb2/4p1B1/8/PPPN1PPP/RNBQ1RK1 b kq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T09:00:39.804 UTC"] [GameStartTime "2025-07-04T09:00:34.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.07+0.04"] 1... Bxg4 {+1.60 10/10 106 0, White makes an illegal move: 0000} 0-1