[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r3kb1r/pppbqppp/2n1pn2/3p4/2PP1P2/P2BPN2/1P4PP/RNBQK2R b KQkq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T06:31:42.804 UTC"] [GameStartTime "2025-07-04T06:31:37.529 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.08+0.04"] 1... dxc4 {0.00 7/7 234 0, White makes an illegal move: 0000} 0-1