[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "298"]
[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 "r1bqkbn1/pp1ppppr/n6p/2p5/1P4P1/N6N/P1PPPPBP/R1BQK2R b KQq - 0 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T16:07:43 +0000"]
[GameEndTime "2026-09-14T16:07:43 +0000"]
[PlyCount "2"]
[Termination "illegal move"]
[TimeControl "-"]

5... Nxb4 {+0.80/8 0.019s, n=13432, sd=12, White makes an illegal move: e1h1}
0-1