[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqk2r/pp1nbpp1/2pp1n1p/3Pp3/4P2B/2NB1N2/PPP2PPP/R2QK2R b KQkq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T08:23:09.805 UTC"] [GameStartTime "2025-07-04T08:23:04.805 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.13+0.04"] 1... Nxd5 {+0.55 9/9 96 0, White makes an illegal move: 0000} 0-1