[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rn1qk1nr/1pp1ppbp/p5p1/6B1/3P2b1/2N2N2/PPP1BPPP/R2Q1RK1 b kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:44.514 UTC"] [GameStartTime "2025-06-23T15:43:44.158 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... Bxf3 {-1.90 6/0 103 820138} 2. Bxf3 {-1.10 7/0 230 3119276, Black makes an illegal move: g4f3} 1-0