[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1b1k1nr/1pqnppbp/2pp2p1/p5B1/2PPP3/2N2N1P/PP2BPP1/R2QK2R b KQkq - 0 1"] [GameDuration "00:00:06"] [GameEndTime "2025-07-04T09:35:48.428 UTC"] [GameStartTime "2025-07-04T09:35:41.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.08+0.04"] 1... Ngf6 {-0.90 5/5 1687 0, White makes an illegal move: 0000} 0-1