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FIDE ID 1025538· born 1981 · last updated 5/12/2026
FIDE standard
1932
FIDE rapid
-
FIDE blitz
1959
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Shortlist public Lichess and chess.com accounts for Kelder via fuzzy name, country, and rating-band signals. Fastest path; works without sample games.
AI matching by sample game
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Real tournament games of Sjoerd Kelder from public sources. Select a game to replay it on the board.
All games
+0 =4 -4 · score25% · 8 games
As White
+0 =2 -1 · score33% · 3 games
As Black
+0 =2 -3 · score20% · 5 games
Lind,Jacco(2089)
Kelder,S(1934)1-0
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As White
As Black
| Event | Games | Dates |
|---|---|---|
| Scheldemond Open 2026 | 4 | 2026-08-02 to 2026-08-05 |
| Groninger Combinatie Open | 2 | 2026-05-14 to 2026-05-15 |
| 26th HZ Open 2024 | 2 | 2024-08-06 to 2024-08-07 |
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.
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AI matching from found games
We already found 8 of Kelder ’s real games in public databases. No PGNs needed: one click shortlists public accounts with similar opening choices.
Sources:twic (8)- latest 8/5/2026
Helps match accounts whose display name is not written in Latin letters.
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