[Event "?"]
[Site "?"]
[Date "2025.06.27"]
[Round "1"]
[White "Helios-base"]
[Black "Helios-dev"]
[Result "1-0"]
[FEN "r2qk2r/pbp1nppp/1pn1p3/3p4/1b6/1P1P1NP1/PBPNPPBP/R2Q1RK1 b kq - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-27T23:28:57.077 UTC"]
[GameStartTime "2025-06-27T23:28:56.627 UTC"]
[PlyCount "2"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4.14+0.04"]

1... O-O {+0.20 5/0 198 1426062}
2. e3 {-0.55 6/0 172 902255, Black makes an illegal move: 0000} 1-0