[Event "?"]
[Site "?"]
[Date "2025.06.30"]
[Round "1"]
[White "Heimdall-dev"]
[Black "Heimdall-base"]
[Result "0-1"]
[FEN "rn1qkb1r/pp2pp1p/3p1np1/2pP4/4P3/2N5/PPP1QPPP/R1B1K1NR w KQkq - 0 1"]
[GameDuration "00:00:01"]
[GameEndTime "2025-06-30T23:21:35.933 CEST"]
[GameStartTime "2025-06-30T23:21:34.811 CEST"]
[PlyCount "4"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "5.09+0.05"]

1. f4 {+0.63 17/29 241 368285} Bg7 {-0.55 16/32 219 360898}
2. Nf3 {+0.57 18/30 217 381925}
O-O {-0.67 17/30 243 386279, White makes an illegal move: g1f3} 0-1