[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qkbnr/2p2pp1/p1pp4/4p2p/3PP1b1/2NQ1N2/PPP2PPP/R1B2RK1 b kq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T07:09:59.803 UTC"] [GameStartTime "2025-07-04T07:09:54.805 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... Bxf3 {-0.55 10/10 148 0, White makes an illegal move: 0000} 0-1