[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnbqk1nr/5pbp/p2pp1p1/1ppP4/4P3/2P2N1P/PP2BPP1/RNBQ1RK1 b kq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T05:42:30.804 UTC"] [GameStartTime "2025-07-04T05:42:25.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.05+0.04"] 1... Nf6 {-0.55 4/4 104 0, White makes an illegal move: 0000} 0-1