[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bq1rk1/pppp1ppn/2n5/2b1p1Pp/P3P2P/2P2P2/1P1PN3/RNBQKB1R b KQ - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T05:31:01.803 UTC"] [GameStartTime "2025-07-04T05:30:56.805 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.1+0.04"] 1... d5 {+0.55 7/7 89 0, White makes an illegal move: 0000} 0-1