[Event "?"]
[Site "?"]
[Date "2025.07.04"]
[Round "1"]
[White "Helios-dev"]
[Black "Helios-base"]
[Result "0-1"]
[FEN "r1bqkb1r/pppp2pp/2n4n/4pp2/2B1P3/3P1N2/PPP2PPP/RNBQ1RK1 b kq - 0 1"]
[GameDuration "00:00:05"]
[GameEndTime "2025-07-04T09:34:54.804 UTC"]
[GameStartTime "2025-07-04T09:34:49.507 UTC"]
[PlyCount "1"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4.08+0.04"]

1... fxe4 {-0.60 7/7 141 0, White makes an illegal move: 0000} 0-1