Prepare against Fred Jonker
NLD · World #16,630 classical · FIDE ID 1005260
Our database contains 76 games by Fred Jonker, covering Jul 2004 to Jul 2026. Below you'll find Fred Jonker's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Fred Jonker before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 2,088 | 2,197 | Oct 2008 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 76 | 29 | 20 | 27 | 38.2% |
| As White | 39 | 17 | 11 | 11 | 43.6% |
| As Black | 37 | 12 | 9 | 16 | 32.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Fred Jonker's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Fred Jonker's side.
First moves as White (39 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 38 | 97.4% | 59.2% |
| f4 | 1 | 2.6% | 0.0% |
Main lines as White
- 1.e4 — 97% of White games, 59.2% score
- …c5 (42% of these games) — Jonker usually continues c3 (46.9% score)
- …e5 (21% of these games) — Jonker usually continues Nf3 (78.6% score)
- …e6 (16% of these games) — Jonker usually continues d4 (58.3% score)
- 1.f4 — 3% of White games, 0.0% score
- …d5 (100% of these games) — Jonker usually continues g3 (0.0% score)
As Black against 1.e4 (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 12 | 54.5% | 50.0% |
| Nc6 | 6 | 27.3% | 58.3% |
| c6 | 3 | 13.6% | 16.7% |
| c5 | 1 | 4.5% | 0.0% |
As Black against 1.d4 (12 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 7 | 58.3% | 50.0% |
| d5 | 4 | 33.3% | 62.5% |
| d6 | 1 | 8.3% | 50.0% |
Fred Jonker's chess games
All 76 games by Fred Jonker in the Chess.ceo database (Jul 2004 - Jul 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 29 wins, 20 draws, 27 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B22 | Sicilian: Alapin | 16 | 4/7/5 | 25.0% |
| C01 | French Defense | 6 | 3/1/2 | 50.0% |
| B19 | Caro-Kann: Classical | 2 | 2/0/0 | 100.0% |
| C63 | Ruy Lopez: Schliemann | 2 | 1/1/0 | 50.0% |
| C45 | Scotch Game | 2 | 1/0/1 | 50.0% |
| B07 | Pirc Defense | 2 | 1/1/0 | 50.0% |
| C69 | Ruy Lopez: Exchange | 1 | 1/0/0 | 100.0% |
| C80 | Ruy Lopez: Open | 1 | 1/0/0 | 100.0% |
| B07 | Alekhine Defense | 1 | 0/0/1 | 0.0% |
| C29 | Vienna Game | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D30 | Slav Defense | 4 | 1/1/2 | 25.0% |
| C96 | Ruy Lopez: Closed | 4 | 1/0/3 | 25.0% |
| B01 | Nimzowitsch Defense | 3 | 3/0/0 | 100.0% |
| C56 | Italian Game | 3 | 2/1/0 | 66.7% |
| D36 | Indian Defense | 3 | 1/1/1 | 33.3% |
| C84 | Ruy Lopez: Morphy Defense | 2 | 0/0/2 | 0.0% |
| E98 | King's Indian Defense: Orthodox Variation | 2 | 1/1/0 | 50.0% |
| A58 | Benoni Defense | 2 | 0/1/1 | 0.0% |
| C47 | Four Knights Game: Scotch Variation | 1 | 1/0/0 | 100.0% |
| A20 | English Opening: Reverse Sicilian | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2006 | Sjoerd Van Roosmalen | 2,266 | Dieren Open | D45 |
| Jul 2013 | Nico Schouten | 2,222 | Dieren Open | C80 |
| Aug 2006 | David Miedema | 2,218 | Dieren Open | C01 |
| Apr 1996 | Merijn Van Delft | 2,185 | ch-NED U21 | B22 |
| Jul 2006 | Frans Hoynck van Papendrecht | 2,098 | Dieren Open | C45 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Dieren Open | 2013 | 27 | 12.5 | 2,146 |
| ch-NED U20 | 1997 | 18 | 11 | 2,277 |
| Hengelo U20 Open | 1996 | 9 | 5.5 | – |
| ch-NED U21 | 1996 | 9 | 3 | 2,084 |
| VCN SchaakFestival | 1999 | 7 | 4.5 | 2,032 |
| Hengelo U16 Open | 1993 | 4 | 2 | – |
| KNSB-competitie 2025/2026 - Ronde 2 | 2025 | 1 | 0.5 | 2,206 |
| ch-NED 59 sf | 2004 | 1 | 0 | 2,199 |
Interactive opening tree from all 76 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Fred Jonker's chess games?
76 games by Fred Jonker, from Jul 2004 to Jul 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Fred Jonker has played.
What does Fred Jonker play on the first move as White?
Across 39 games with White in our database, Fred Jonker opens with 1.e4 (97% of games), 1.f4 (3% of games). Against 1.e4 as Black, Fred Jonker answers 1...e5 (55% of games), 1...Nc6 (27% of games), 1...c6 (14% of games). Against 1.d4: 1...Nf6 (58% of games), 1...d5 (33% of games), 1...d6 (8% of games).
What openings does Fred Jonker play as White?
As White, Fred Jonker's most-played openings in our database are: Sicilian: Alapin (16 games, 25.0% win rate); French Defense (6 games, 50.0% win rate); Caro-Kann: Classical (2 games, 100.0% win rate). The full breakdown of 39 games with White is in the table above.
What openings does Fred Jonker play as Black?
As Black, Fred Jonker most often plays: Slav Defense (4 games, 25.0% win rate); Ruy Lopez: Closed (4 games, 25.0% win rate); Nimzowitsch Defense (3 games, 100.0% win rate). See the table above for the top ten Black openings across 37 games.
What is Fred Jonker's FIDE rating?
Fred Jonker is currently rated 2,088 in classical chess. Peak classical rating: 2,197 (Oct 2008).
How many games has Fred Jonker played?
Our database contains 76 games by Fred Jonker, covering Jul 2004 to Jul 2026. Overall record: 29 wins, 20 draws, 27 losses (38.2% win rate).
How do I prepare against Fred Jonker?
76 games by Fred Jonker reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.