[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rn2kb1r/ppq2ppp/2pp1n2/4p3/4PPb1/2NPB2P/PPPQ2P1/R3KBNR b KQkq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T06:06:19.203 UTC"] [GameStartTime "2025-07-04T06:06:13.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.08+0.04"] 1... exf4 {-0.50 7/7 425 0, White makes an illegal move: 0000} 0-1