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FIDE ID 1011588 · born 1960 · last updated 10/5/2026
Search for the accounts Jan Willem Koelmans plays online, then open one to see its openings and practice the lines.
FIDE standard
1850
FIDE rapid
1822
FIDE blitz
1894
5 tournament games found. The search uses all of them.
From Lichess broadcasts and The Week in Chess. Latest game: 12/23/2025.
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Search for Jan Willem Koelmans's online accounts first. Then open one to see the openings it plays, move by move, and practice the positions.
Real tournament games of Jan Willem Koelmans from public sources. Select a game to replay it on the board.
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+0 =2 -3 · score 20% · 5 games
As White
+0 =2 -1 · score 33% · 3 games
As Black
+0 =0 -2 · score 0% · 2 games
Zecha, Oscar(1982)
Koelmans, Jan Willem(1783)0-1
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| Event | Games | Dates |
|---|---|---|
| Chessfestival Groningen 2025 | Open B | 1 | 2025-12-23 |
| Utrecht Open Championship 2024 | Group B | 3 | 2024-05-12 |
| 10th Arber Open 2023 | 1 | 2023-08-05 |