[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "1788"]
[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 "rnbqkbr1/pp1pppp1/2p2n2/7p/1P2P3/N2B1N2/P1PP1PPP/R1BQK2R b KQq - 1 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T18:15:57 +0200"]
[GameEndTime "2026-09-14T18:15:57 +0200"]
[PlyCount "2"]
[Termination "illegal move"]
[TimeControl "-"]

5... g5 {-0.24/10 0.020s, n=15801, sd=14, White makes an illegal move: e1h1} 0-1