[Event "?"]
[Site "?"]
[Date "2025.07.04"]
[Round "1"]
[White "Helios-dev"]
[Black "Helios-base"]
[Result "0-1"]
[FEN "rnbqk1nr/ppp3pp/5p2/8/2N1p3/2P5/P1PPQPPP/R1B1KB1R b KQkq - 0 1"]
[GameDuration "00:00:04"]
[GameEndTime "2025-07-04T09:25:41.804 UTC"]
[GameStartTime "2025-07-04T09:25:36.806 UTC"]
[PlyCount "1"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4.08+0.04"]

1... f5 {-0.25 9/9 142 0, White makes an illegal move: 0000} 0-1