[Event "?"]
[Site "?"]
[Date "2025.06.30"]
[Round "1"]
[White "Heimdall-dev"]
[Black "Heimdall-base"]
[Result "0-1"]
[FEN "rnbqk1nr/pp3ppp/1p1p4/4p3/1P2P3/3P1N2/P1P1BPPP/R1BQK2R b KQkq - 0 1"]
[GameDuration "00:00:01"]
[GameEndTime "2025-06-30T23:20:09.812 CEST"]
[GameStartTime "2025-06-30T23:20:08.750 CEST"]
[PlyCount "3"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "5.09+0.05"]

1... Nf6 {-0.98 18/30 264 450017} 2. O-O {+0.92 16/28 246 432509}
O-O {-0.94 17/27 259 344138, White makes an illegal move: e1g1} 0-1