[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkb1r/pppp2pp/2n2n2/4p3/8/2N1P3/PPP1BPPP/R1BQK1NR b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T05:19:29.804 UTC"] [GameStartTime "2025-07-04T05:19:24.805 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... d5 {+0.55 8/8 107 0, White makes an illegal move: 0000} 0-1