[Event "?"]
[Site "?"]
[Date "2025.06.23"]
[Round "1"]
[White "Helios-dev"]
[Black "Helios-base"]
[Result "0-1"]
[FEN "rnbq1rk1/pp2ppbp/5np1/2pp4/8/2PPPPP1/PP3N1P/RNBQKB1R b KQ - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-23T15:40:41.974 UTC"]
[GameStartTime "2025-06-23T15:40:41.626 UTC"]
[PlyCount "3"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4+0.04"]

1... e5 {+1.05 5/0 104 1588764} 2. f4 {-1.10 5/0 90 660036}
exf4 {+1.05 6/0 123 1148882, White makes an illegal move: f3f4} 0-1