[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1b1kb1r/pp1npppp/2p2B2/8/4P3/5P2/PPP3PP/RN1K1BNR b kq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T07:43:19.803 UTC"] [GameStartTime "2025-07-04T07:43:14.583 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.13+0.04"] 1... Nxf6 {+0.30 9/9 93 0, White makes an illegal move: 0000} 0-1