[Event "?"]
[Site "?"]
[Date "2025.06.30"]
[Round "1"]
[White "Heimdall-base"]
[Black "Heimdall-dev"]
[Result "1-0"]
[FEN "r1b1kb1r/pppn1ppp/1q2pn2/8/2BP4/P1N1P3/1P1N1PPP/R1BQK2R w KQkq - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-30T23:20:41.967 CEST"]
[GameStartTime "2025-06-30T23:20:41.315 CEST"]
[PlyCount "1"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "5.09+0.05"]

1. O-O {+0.87 17/27 340 538784, Black makes an illegal move: c4d3} 1-0