[Event "?"]
[Site "?"]
[Date "2025.07.04"]
[Round "1"]
[White "Helios-dev"]
[Black "Helios-base"]
[Result "0-1"]
[FEN "r1b1kbnr/pppp1pp1/2n1p1qp/4P3/3P4/4BNP1/PPP2P1P/RN1QKB1R b KQkq - 0 1"]
[GameDuration "00:00:04"]
[GameEndTime "2025-07-04T07:10:39.804 UTC"]
[GameStartTime "2025-07-04T07:10:34.806 UTC"]
[PlyCount "1"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4.03+0.04"]

1... Nb4 {-0.60 5/5 211 0, White makes an illegal move: 0000} 0-1