[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rn1qk2r/ppp2ppp/4p1n1/b2pPb2/3P1P2/2PB1N2/PP4PP/RNBQ1RK1 b kq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T06:15:38.804 UTC"] [GameStartTime "2025-07-04T06:15:33.805 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.059+0.04"] 1... Nc6 {0.00 6/6 123 0, White makes an illegal move: 0000} 0-1