[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qk1nr/pb1pppbp/1pp3p1/n2P4/B3P3/2N2N2/PPPB1PPP/R2QK2R b KQkq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T07:47:51.404 UTC"] [GameStartTime "2025-07-04T07:47:46.258 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.08+0.04"] 1... b5 {-0.05 10/10 124 0, White makes an illegal move: 0000} 0-1