[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qk1nr/ppp1ppbp/2n1b1p1/4P3/2Np4/3P1NP1/PPP2P1P/R1BQKB1R b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T05:11:11.804 UTC"] [GameStartTime "2025-07-04T05:11:06.807 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.019+0.04"] 1... b5 {+0.90 8/8 140 0, White makes an illegal move: 0000} 0-1