[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qkbnr/1pp3pp/p1np1p2/4P3/2B1P1b1/4BN2/PPP2PPP/RN1Q1RK1 b kq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T08:32:13.105 UTC"] [GameStartTime "2025-07-04T08:32:08.105 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.08+0.04"] 1... Bxf3 {-0.60 8/8 159 0, White makes an illegal move: 0000} 0-1