[Event "?"]
[Site "?"]
[Date "2025.06.23"]
[Round "1"]
[White "Helios-base"]
[Black "Helios-dev"]
[Result "1-0"]
[FEN "r2qkb1r/1bpnnppp/1p1pp3/p7/8/1P1P1NP1/PBPNPPBP/R2Q1RK1 b kq - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-23T15:43:26.401 UTC"]
[GameStartTime "2025-06-23T15:43:26.050 UTC"]
[PlyCount "2"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4.03+0.04"]

1... a4 {-0.55 6/0 95 475936}
2. bxa4 {-0.90 7/0 238 3467819, Black makes an illegal move: a5a4} 1-0