[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "612"]
[White "Heimdall-base"]
[Black "Heimdall-dev"]
[Result "0-1"]
[EngineWhiteName "Heimdall dev (unknown at unknown)"]
[EngineWhiteAuthor "Nocturn9x (see LICENSE)"]
[EngineBlackName "Heimdall dev (unknown at unknown)"]
[EngineBlackAuthor "Nocturn9x (see LICENSE)"]
[SetUp "1"]
[FEN "rnb1kbnr/pppp2pp/B4p1q/4p3/1P2PP2/7N/P1PP2PP/RNBQK2R b KQkq - 1 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T12:48:31 -0400"]
[GameEndTime "2026-09-14T12:48:31 -0400"]
[PlyCount "2"]
[Termination "illegal move"]
[TimeControl "-"]

5... Nxa6 {+5.17/9 0.011s, n=14026, sd=14, White makes an illegal move: e1h1}
0-1