[Event "?"]
[Site "?"]
[Date "2025.06.23"]
[Round "1"]
[White "Helios-base"]
[Black "Helios-dev"]
[Result "1-0"]
[FEN "rnbq1rk1/pp2ppbp/5np1/2pp4/8/2PPPPP1/PP3N1P/RNBQKB1R b KQ - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-23T15:40:41.882 UTC"]
[GameStartTime "2025-06-23T15:40:41.636 UTC"]
[PlyCount "2"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4+0.04"]

1... c4 {-0.60 6/0 86 723317}
2. dxc4 {-0.85 7/0 126 1876258, Black makes an illegal move: c5c4} 1-0