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FIDE ID 7202105 · born 2005 · last updated 5/12/2026
Standard
2078
Rapid
2044
Blitz
1979
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Shortlist public Lichess and chess.com accounts for Nielsen via fuzzy name, country, and rating-band signals. Fastest path; works without sample games.
AI matching by sample game
Searching public databases for known games of Nielsen…
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Real tournament games of Jon I Horni Nielsen from public sources. Select a game to replay it on the board.
All games
+8 =2 -2 · score 75% · 12 games
As White
+3 =1 -2 · score 58% · 6 games
As Black
+5 =1 -0 · score 92% · 6 games
Zerafa,P(2009)
Nielsen,Jon I Horni(2084)½-½
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As White
As Black
| Event | Games | Dates |
|---|---|---|
| TCh-Euro Small Nations | 12 | 2023-10-30 to 2025-11-21 |
Prep report
Their repertoire vs yours
Once you have a candidate account, we cross-reference its opening tree against your imported games, surfacing the lines they play that you don’t know, the leaks in their repertoire you can punish, and the gaps in yours you’ll need to plug before the game.
Pick a candidate account above to unlock the report.
AI matching from found games
We already found 12 of Nielsen’s real games in public databases. No PGNs needed: one click shortlists public accounts with similar opening choices.
Sources: twic (12) - latest 11/21/2025
Helps match accounts whose display name is not written in Latin letters.
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Uses 1 credit. Results take a few minutes; the results page updates itself.