[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnbqkb1r/2pp1ppp/p4n2/1p2p3/2P5/2NP2P1/PP2PPBP/R1BQK1NR b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T10:47:21.804 UTC"] [GameStartTime "2025-07-04T10:47:16.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.1+0.04"] 1... Nc6 {-0.25 9/9 137 0, White makes an illegal move: 0000} 0-1