[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnb1k1nr/1p1pppbp/1qp3p1/p3P3/P2P1P2/5N2/1PP3PP/RNBQKB1R b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T08:14:04.804 UTC"] [GameStartTime "2025-07-04T08:13:59.805 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.019+0.04"] 1... d5 {-1.00 7/7 206 0, White makes an illegal move: 0000} 0-1