or
Loading player profile…
FIDE ID 40121216· born 1982 · last updated 5/12/2026
FIDE standard
1833
FIDE rapid
1678
FIDE blitz
-
Quick name searchFree
Shortlist public Lichess and chess.com accounts for Koelewijn 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 ofKoelewijn…
Have your own PGNs? You can also paste them below once this finishes; or use Quick name search above to skip this step.
Real tournament games of Jan Wout Koelewijn from public sources. Select a game to replay it on the board.
All games
+1 =0 -0 · score100% · 1 game
As White
+1 =0 -0 · score100% · 1 game
As Black
No games yet.
CXG Sphinx 40,Computer
Koelewijn,Jaap-Jan1-0
Loading the game…
Select a game
As White
As Black
No games yet.
| Event | Games | Dates |
|---|---|---|
| FishPartners Open 2025 | 1 | 2025-07-05 |
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 1 of Koelewijn ’s real games in public databases. No PGNs needed: one click shortlists public accounts with similar opening choices.
Sources:twic (1)- latest 7/5/2025
Helps match accounts whose display name is not written in Latin letters.
Costs 1 credit
Uses 1 credit. Results take a few minutes; the results page updates itself.