[Event "?"]
[Site "?"]
[Date "2025.06.27"]
[Round "1"]
[White "Helios-base"]
[Black "Helios-dev"]
[Result "1-0"]
[FEN "rnb1kbnr/p1p2ppp/4p3/1p1q4/P2P4/5N2/1PP2PPP/RNBQKB1R b KQkq - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-27T23:29:42.041 UTC"]
[GameStartTime "2025-06-27T23:29:41.784 UTC"]
[PlyCount "2"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4.14+0.04"]

1... b4 {-0.75 5/0 100 664008}
2. Nbd2 {+0.70 5/0 91 328250, Black makes an illegal move: 0000} 1-0