[Event "?"]
[Site "?"]
[Date "2025.06.30"]
[Round "1"]
[White "Heimdall-base"]
[Black "Heimdall-dev"]
[Result "1-0"]
[FEN "rnbq1rk1/1p1nppbp/p2p2p1/2pP4/2P1PP2/3B1N2/PP1N2PP/R1BQK2R w KQ - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-30T23:21:23.374 CEST"]
[GameStartTime "2025-06-30T23:21:22.875 CEST"]
[PlyCount "1"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "5.09+0.05"]

1. O-O {+0.48 17/28 270 449258, Black makes an illegal move: e1g1} 1-0