[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r3k1nr/ppp1ppbp/2nq2p1/3p1b2/3P4/2P2NP1/PP2PPBP/RNBQ1RK1 w kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:22:46.776 UTC"] [GameStartTime "2025-07-14T03:22:46.443 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.05+0.04"] 1. Bf4 {-0.05 12/12 128 1235656, Black makes an illegal move: a8a7} 1-0