[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qk2r/ppp1bppp/2n2n2/3P2B1/6b1/2N2N2/PPP2PPP/R2QKB1R b KQkq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T07:50:59.804 UTC"] [GameStartTime "2025-07-04T07:50:54.531 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.08+0.04"] 1... Bxf3 {-0.20 10/10 123 0, White makes an illegal move: 0000} 0-1