[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnbqkbnr/4ppp1/p6p/1p1pP3/2pP4/P1N2NP1/1PP2P1P/R1BQKB1R b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T07:40:02.805 UTC"] [GameStartTime "2025-07-04T07:39:57.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.13+0.04"] 1... Nc6 {-0.90 5/5 121 0, White makes an illegal move: 0000} 0-1