[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qkbnr/1bp2pp1/p1np4/1p2p2p/4P3/1BPP1N2/PP3PPP/RNBQ1RK1 b kq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T09:09:34.804 UTC"] [GameStartTime "2025-07-04T09:09:29.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.09+0.04"] 1... Nf6 {-0.05 7/7 108 0, White makes an illegal move: 0000} 0-1