[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qk1nr/pppbbppp/2np4/4p3/1PBPP3/2P2N1P/P4PP1/RNBQ1RK1 b kq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T09:40:39.804 UTC"] [GameStartTime "2025-07-04T09:40:34.807 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.1+0.04"] 1... exd4 {-0.40 6/6 93 0, White makes an illegal move: 0000} 0-1