Prepare against Sjoerd Kelder
NLD · World #40,185 classical · FIDE ID 1025538
Our database contains 30 games by Sjoerd Kelder, covering Oct 2008 to Aug 2026. Below you'll find Sjoerd Kelder's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Sjoerd Kelder 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 | 1,934 | 2,035 | Sep 2013 |
| Blitz | 1,959 | 1,971 | May 2023 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 30 | 6 | 11 | 13 | 20.0% |
| As White | 16 | 3 | 6 | 7 | 18.8% |
| As Black | 14 | 3 | 5 | 6 | 21.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Sjoerd Kelder's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Sjoerd Kelder's side.
First moves as White (16 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 7 | 43.8% | 21.4% |
| c4 | 6 | 37.5% | 50.0% |
| Nf3 | 1 | 6.3% | 50.0% |
| f4 | 1 | 6.3% | 0.0% |
| d4 | 1 | 6.3% | 100.0% |
Main lines as White
- 1.e4 — 44% of White games, 21.4% score
- …c5 (14% of these games) — Kelder usually continues Nc3 (0.0% score)
- …g6 (14% of these games) — Kelder usually continues d4 (50.0% score)
- …c6 (14% of these games) — Kelder usually continues d4 (0.0% score)
- 1.c4 — 38% of White games, 50.0% score
- …Nf6 (33% of these games) — Kelder usually continues Nc3 (50.0% score)
- …c6 (17% of these games) — Kelder usually continues Nf3 (100.0% score)
- …Nc6 (17% of these games) — Kelder usually continues g3 (50.0% score)
As Black against 1.e4 (4 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 2 | 50.0% | 75.0% |
| c6 | 1 | 25.0% | 0.0% |
| g6 | 1 | 25.0% | 50.0% |
As Black against 1.d4 (2 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 2 | 100.0% | 0.0% |
Sjoerd Kelder's chess games
All 30 games by Sjoerd Kelder in the Chess.ceo database (Oct 2008 - Aug 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: 6 wins, 11 draws, 13 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A16 | English Opening | 3 | 1/1/1 | 33.3% |
| A03 | Bird's opening | 1 | 0/0/1 | 0.0% |
| B13 | Caro-Kann: Exchange Variation | 1 | 0/0/1 | 0.0% |
| A21 | English Opening: Reverse Sicilian | 1 | 0/1/0 | 0.0% |
| A12 | English Opening: Slav Setup | 1 | 1/0/0 | 100.0% |
| A36 | English Opening: Symmetrical | 1 | 0/0/1 | 0.0% |
| C00 | French Defense | 1 | 0/0/1 | 0.0% |
| B06 | Modern Defense | 1 | 0/1/0 | 0.0% |
| C63 | Ruy Lopez: Schliemann | 1 | 0/0/1 | 0.0% |
| B01 | Scandinavian Defense: Main Line | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B06 | Bird's opening | 1 | 1/0/0 | 100.0% |
| B14 | Caro-Kann: Exchange Variation | 1 | 0/0/1 | 0.0% |
| A15 | English Opening | 1 | 1/0/0 | 100.0% |
| A19 | English Opening: Mikenas Variation | 1 | 0/1/0 | 0.0% |
| A37 | English Opening: Symmetrical | 1 | 0/0/1 | 0.0% |
| D36 | Indian Defense | 1 | 0/0/1 | 0.0% |
| E94 | King's Indian Defense: Orthodox Variation | 1 | 0/1/0 | 0.0% |
| E49 | Queen's Gambit Declined | 1 | 0/0/1 | 0.0% |
| A04 | Réti Opening | 1 | 0/1/0 | 0.0% |
| B22 | Sicilian | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2013 | Maaike Keetman | 1,988 | 3rd Amsterdam Science Park Open B | A12 |
| Jul 2008 | Tobias Boje | 1,979 | 30th Politiken Cup | B24 |
| Jul 2008 | Jens Holm Nielsen | 1,943 | 30th Politiken Cup | B06 |
| Jul 2013 | Jouke Van Veelen | 1,899 | 3rd Amsterdam Science Park Open B | D44 |
| Jul 2013 | Ton Van Nieuwkerk | 1,800 | 3rd Amsterdam Science Park Open B | A16 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 30th Politiken Cup | 2008 | 10 | 4.5 | 1,996 |
| 3rd Amsterdam Science Park Open B | 2013 | 5 | 3.5 | 2,099 |
| Scheldemond Chess Tournament 2026 | 2026 | 4 | 1 | 1,913 |
| 3rd Haarlem Nova College Open | 2004 | 4 | 1.5 | 2,007 |
| Groninger Combinatie Open | 2026 | 2 | 0.5 | 1,878 |
| 26th Vlissingen HZ Open | 2024 | 2 | 0.5 | 1,948 |
| Amsterdam Science Park Open A | 2014 | 1 | 0 | 1,822 |
| 10th Vlissingen HZ Open | 2006 | 1 | 0 | 1,946 |
Interactive opening tree from all 30 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Sjoerd Kelder's chess games?
30 games by Sjoerd Kelder, from Oct 2008 to Aug 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 Sjoerd Kelder has played.
What does Sjoerd Kelder play on the first move as White?
Across 16 games with White in our database, Sjoerd Kelder opens with 1.e4 (44% of games), 1.c4 (38% of games), 1.Nf3 (6% of games). Against 1.e4 as Black, Sjoerd Kelder answers 1...c5 (50% of games), 1...c6 (25% of games), 1...g6 (25% of games). Against 1.d4: 1...d5 (100% of games).
What openings does Sjoerd Kelder play as White?
As White, Sjoerd Kelder's most-played openings in our database are: English Opening (3 games, 33.3% win rate); Bird's opening (1 games, 0.0% win rate); Caro-Kann: Exchange Variation (1 games, 0.0% win rate). The full breakdown of 16 games with White is in the table above.
What openings does Sjoerd Kelder play as Black?
As Black, Sjoerd Kelder most often plays: Bird's opening (1 games, 100.0% win rate); Caro-Kann: Exchange Variation (1 games, 0.0% win rate); English Opening (1 games, 100.0% win rate). See the table above for the top ten Black openings across 14 games.
What is Sjoerd Kelder's FIDE rating?
Sjoerd Kelder is currently rated 1,934 in classical chess and 1,959 in blitz. Peak classical rating: 2,035 (Sep 2013).
How many games has Sjoerd Kelder played?
Our database contains 30 games by Sjoerd Kelder, covering Oct 2008 to Aug 2026. Overall record: 6 wins, 11 draws, 13 losses (20.0% win rate).
How do I prepare against Sjoerd Kelder?
30 games by Sjoerd Kelder 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.