[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkb1r/ppp1pnpp/2n2p2/3p4/2PP3B/2N1P3/PP3PPP/R2QKBNR b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T09:42:51.805 UTC"] [GameStartTime "2025-07-04T09:42:46.807 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.1+0.04"] 1... dxc4 {-0.10 9/9 187 0, White makes an illegal move: 0000} 0-1