[Event "?"]
[Site "?"]
[Date "2025.06.30"]
[Round "1"]
[White "Heimdall-dev"]
[Black "Heimdall-base"]
[Result "0-1"]
[FEN "r1bq1rk1/pppnb1pp/2n1pp2/3p4/3P4/2N1PNB1/PPP1BPPP/R2QK2R w KQ - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-30T23:21:45.463 CEST"]
[GameStartTime "2025-06-30T23:21:44.507 CEST"]
[PlyCount "2"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "5.09+0.05"]

1. O-O {+0.75 17/31 394 624956}
a6 {-0.85 15/27 297 446437, White makes an illegal move: e1g1} 0-1