[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqk2r/ppp1bpp1/2np1n1p/4p3/5P2/3P2P1/PPPNP1BP/RNBQ1RK1 b kq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T09:49:14.806 UTC"] [GameStartTime "2025-07-04T09:49:09.382 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.18+0.04"] 1... exf4 {+0.75 7/7 163 0, White makes an illegal move: 0000} 0-1