[Event "?"]
[Site "?"]
[Date "2025.06.23"]
[Round "1"]
[White "Helios-base"]
[Black "Helios-dev"]
[Result "1-0"]
[FEN "r1b1k1nr/1pppqppp/p1n5/2b5/3BP3/2N2N2/PPP2PPP/R2QKB1R b KQkq - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-23T15:43:33.568 UTC"]
[GameStartTime "2025-06-23T15:43:33.356 UTC"]
[PlyCount "2"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4.03+0.04"]

1... Nxd4 {-0.45 6/0 87 410135}
2. Nxd4 {-0.65 5/0 85 251901, Black makes an illegal move: c6d4} 1-0