[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qkbnr/1b1p1ppp/ppn5/2p1p3/3PP3/2P2N2/PP2BPPP/RNBQ1RK1 b kq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T05:38:44.805 UTC"] [GameStartTime "2025-07-04T05:38:39.569 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.05+0.04"] 1... Nf6 {0.00 1/1 189 0, White makes an illegal move: 0000} 0-1