[Event "?"]
[Site "?"]
[Date "2025.06.30"]
[Round "1"]
[White "Heimdall-base"]
[Black "Heimdall-dev"]
[Result "1-0"]
[FEN "r2qkb1r/1b1p1ppp/p1n1pn2/1pp3N1/4P3/1B1PB3/PPPN1PPP/R2QK2R b KQkq - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-30T23:21:41.159 CEST"]
[GameStartTime "2025-06-30T23:21:40.358 CEST"]
[PlyCount "2"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "5.09+0.05"]

1... Be7 {+0.52 15/28 348 507691}
2. O-O {-0.58 14/29 236 356246, Black makes an illegal move: f8e7} 1-0