[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rn1qkb1r/ppp2ppp/4pn2/3p4/3P1B2/2N1PP1P/PPP4P/R2QKB1R b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T05:40:35.805 UTC"] [GameStartTime "2025-07-04T05:40:30.808 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.05+0.04"] 1... Nc6 {-0.10 7/7 249 0, White makes an illegal move: 0000} 0-1