[Event "?"]
[Site "?"]
[Date "2025.06.23"]
[Round "1"]
[White "Helios-base"]
[Black "Helios-dev"]
[Result "1-0"]
[FEN "r1bq1rk1/pppp1ppp/3b1n2/4p1N1/2P1P3/3PB3/P1P2PPP/RN1QK2R b KQ - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-23T15:40:43.887 UTC"]
[GameStartTime "2025-06-23T15:40:43.323 UTC"]
[PlyCount "6"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4+0.04"]

1... a6 {-0.30 6/0 99 1004727} 2. O-O {-2.60 6/0 92 2011847}
a5 {-0.50 6/0 98 885751} 3. Nc3 {-2.40 6/0 83 1767392} Bb4 {+0.15 5/0 87 342514}
4. Nd5 {-2.35 6/0 82 1596426, Black makes an illegal move: d6b4} 1-0