[Event "?"]
[Site "?"]
[Date "2025.07.14"]
[Round "1"]
[White "Helios-base"]
[Black "Helios-dev"]
[Result "1-0"]
[FEN "r1bq1rk1/pp1nbppp/2pp1n2/4p3/5P2/3PP2P/PPP1B1PN/RNBQ1RK1 b - - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-07-14T03:18:10.950 UTC"]
[GameStartTime "2025-07-14T03:18:10.736 UTC"]
[PlyCount "0"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4.05+0.04"]

{Black makes an illegal move: g2g4} 1-0