[Event "?"]
[Site "?"]
[Date "2025.06.30"]
[Round "1"]
[White "Heimdall-base"]
[Black "Heimdall-dev"]
[Result "1-0"]
[FEN "rn2kbnr/pbq2ppp/1pppp3/8/2PP4/2NBPN2/PPQ2PPP/R1B1K2R b KQkq - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-30T23:20:08.610 CEST"]
[GameStartTime "2025-06-30T23:20:07.840 CEST"]
[PlyCount "2"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "5.09+0.05"]

1... Nf6 {-0.87 16/27 219 308764}
2. O-O {+0.70 16/29 319 584784, Black makes an illegal move: g8f6} 1-0