[Event "?"]
[Site "?"]
[Date "2025.06.23"]
[Round "1"]
[White "Helios-dev"]
[Black "Helios-base"]
[Result "0-1"]
[FEN "r1bqkb1r/1p1n1ppp/p1np4/2p1p3/4PP2/2NP1NP1/PPP3BP/R1BQ1RK1 b kq - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-23T15:43:38.643 UTC"]
[GameStartTime "2025-06-23T15:43:38.242 UTC"]
[PlyCount "3"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4.03+0.04"]

1... exf4 {-1.60 7/0 189 3073433} 2. gxf4 {+0.25 6/0 87 774124}
Nf6 {-0.45 5/0 82 1188308, White makes an illegal move: g3f4} 0-1