[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqk2r/pp1n1ppp/2pbpn2/3p4/5P2/3PP1N1/PPP1B1PP/RNBQK2R b KQkq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T06:05:58.552 UTC"] [GameStartTime "2025-07-04T06:05:53.406 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.08+0.04"] 1... c5 {+0.30 7/7 181 0, White makes an illegal move: 0000} 0-1