[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qk1nr/pppbppb1/2np2p1/7p/2BPP2P/2N1BP1N/PPP3P1/R2QK2R b KQkq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T08:06:42.805 UTC"] [GameStartTime "2025-07-04T08:06:37.805 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.12+0.04"] 1... Nf6 {-0.50 6/6 109 0, White makes an illegal move: 0000} 0-1