[Event "?"]
[Site "?"]
[Date "2025.07.04"]
[Round "1"]
[White "Helios-dev"]
[Black "Helios-base"]
[Result "0-1"]
[FEN "r1bq1rk1/pp1pnpbp/2n1p1p1/2P5/1P2P3/2P3P1/P2B1PBP/RN1QK1NR b KQ - 0 1"]
[GameDuration "00:00:04"]
[GameEndTime "2025-07-04T09:41:09.804 UTC"]
[GameStartTime "2025-07-04T09:41:04.807 UTC"]
[PlyCount "1"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4.1+0.04"]

1... Nxb4 {+0.25 6/6 129 0, White makes an illegal move: 0000} 0-1