[Event "?"]
[Site "?"]
[Date "2025.07.04"]
[Round "1"]
[White "Helios-dev"]
[Black "Helios-base"]
[Result "0-1"]
[FEN "r1bqkb1r/2pp1ppp/p4nn1/1p2p3/4P3/1BN2N2/PPPP1PPP/R1BQR1K1 b kq - 0 1"]
[GameDuration "00:00:04"]
[GameEndTime "2025-07-04T09:15:50.801 UTC"]
[GameStartTime "2025-07-04T09:15:45.805 UTC"]
[PlyCount "1"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4.08+0.04"]

1... b4 {-0.80 6/6 102 0, White makes an illegal move: 0000} 0-1