Prepare against Alef Boer
NLD · World #17,550 classical · FIDE ID 1007122
Our database contains 138 games by Alef Boer, covering Apr 2003 to Jul 2026. Below you'll find Alef Boer's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Alef Boer 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 | 2,079 | 2,201 | Apr 2006 |
| Blitz | 2,103 | 2,166 | Aug 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 138 | 39 | 44 | 55 | 28.3% |
| As White | 68 | 21 | 19 | 28 | 30.9% |
| As Black | 70 | 18 | 25 | 27 | 25.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Alef Boer's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Alef Boer's side.
First moves as White (68 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 35 | 51.5% | 47.1% |
| c4 | 30 | 44.1% | 46.7% |
| d4 | 2 | 2.9% | 0.0% |
| Nf3 | 1 | 1.5% | 0.0% |
Main lines as White
- 1.e4 — 51% of White games, 47.1% score
- …c5 (43% of these games) — Boer usually continues Nf3 (45.5% score)
- …e6 (23% of these games) — Boer usually continues d4 (25.0% score)
- …e5 (11% of these games) — Boer usually continues Nf3 (75.0% score)
- 1.c4 — 44% of White games, 46.7% score
- …Nf6 (30% of these games) — Boer usually continues g3 (50.0% score)
- …e5 (17% of these games) — Boer usually continues g3 (30.0% score)
- …f5 (13% of these games) — Boer usually continues g3 (50.0% score)
As Black against 1.e4 (35 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 28 | 80.0% | 48.2% |
| e5 | 3 | 8.6% | 66.7% |
| e6 | 3 | 8.6% | 16.7% |
| c5 | 1 | 2.9% | 0.0% |
As Black against 1.d4 (24 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 17 | 70.8% | 44.1% |
| Nf6 | 7 | 29.2% | 64.3% |
Alef Boer's chess games
All 138 games by Alef Boer in the Chess.ceo database (Apr 2003 - 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: 39 wins, 44 draws, 55 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B22 | Sicilian | 10 | 3/3/4 | 30.0% |
| A14 | English Opening | 8 | 4/1/3 | 50.0% |
| A25 | English Opening: Reverse Sicilian | 6 | 0/3/3 | 0.0% |
| A10 | English Opening: Dutch Defense | 4 | 1/1/2 | 25.0% |
| A35 | English Opening: Symmetrical | 4 | 3/0/1 | 75.0% |
| C00 | King's Indian Attack | 3 | 0/0/3 | 0.0% |
| C00 | French Defense | 3 | 2/0/1 | 66.7% |
| A14 | English Opening: Neo-Catalan | 3 | 1/0/2 | 33.3% |
| C31 | King's Gambit | 2 | 0/1/1 | 0.0% |
| C02 | French: Advance Variation | 2 | 1/0/1 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B03 | Alekhine Defense | 27 | 9/9/9 | 33.3% |
| A07 | Réti Opening | 5 | 0/1/4 | 0.0% |
| D00 | Queen's Pawn Game | 4 | 2/1/1 | 50.0% |
| D11 | Slav Defense | 4 | 0/2/2 | 0.0% |
| D11 | Queen's Gambit Accepted | 4 | 0/2/2 | 0.0% |
| D35 | Indian Defense | 3 | 1/1/1 | 33.3% |
| C47 | Four Knights Game: Scotch Variation | 2 | 0/1/1 | 0.0% |
| C10 | French: Tarrasch Variation | 2 | 0/1/1 | 0.0% |
| A03 | Nimzovich-Larsen attack | 2 | 0/1/1 | 0.0% |
| D61 | Queen's Gambit Declined | 2 | 1/1/0 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2014 | Sergey Kasparov | 2,484 | 18th Hoogeveen Unive Open | B04 |
| Jan 2002 | Bernd Korsus | 2,283 | 4th Nord West Cup | E20 |
| Jan 1994 | Migchiel De Jong | 2,275 | Groningen Open 3 | D30 |
| Dec 2015 | Yochanan Afek | 2,267 | 53rd Groningen Open A | A16 |
| Oct 2014 | Thomas Henrich | 2,227 | 18th Hoogeveen Unive Open | D61 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 21st Hoogeveen Open | 2017 | 9 | 4.5 | 2,135 |
| 53rd Groningen Open A | 2015 | 9 | 4 | 2,213 |
| Reykjavik Open | 2025 | 9 | 4.5 | 2,171 |
| 18th Hoogeveen Unive Open | 2014 | 9 | 4.5 | 2,263 |
| Oberliga Nord W 1213 | 2013 | 9 | 5 | 2,200 |
| 19th Hoogeveen Unive Open | 2015 | 9 | 3.5 | 2,044 |
| Dieren Open | 1998 | 9 | 3.5 | 2,117 |
| 55th Groningen Open A | 2017 | 8 | 3 | 2,105 |
Interactive opening tree from all 138 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Alef Boer's chess games?
138 games by Alef Boer, from Apr 2003 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 Alef Boer has played.
What does Alef Boer play on the first move as White?
Across 68 games with White in our database, Alef Boer opens with 1.e4 (51% of games), 1.c4 (44% of games), 1.d4 (3% of games). Against 1.e4 as Black, Alef Boer answers 1...Nf6 (80% of games), 1...e5 (9% of games), 1...e6 (9% of games). Against 1.d4: 1...d5 (71% of games), 1...Nf6 (29% of games).
What openings does Alef Boer play as White?
As White, Alef Boer's most-played openings in our database are: Sicilian (10 games, 30.0% win rate); English Opening (8 games, 50.0% win rate); English Opening: Reverse Sicilian (6 games, 0.0% win rate). The full breakdown of 68 games with White is in the table above.
What openings does Alef Boer play as Black?
As Black, Alef Boer most often plays: Alekhine Defense (27 games, 33.3% win rate); Réti Opening (5 games, 0.0% win rate); Queen's Pawn Game (4 games, 50.0% win rate). See the table above for the top ten Black openings across 70 games.
What is Alef Boer's FIDE rating?
Alef Boer is currently rated 2,079 in classical chess and 2,103 in blitz. Peak classical rating: 2,201 (Apr 2006).
How many games has Alef Boer played?
Our database contains 138 games by Alef Boer, covering Apr 2003 to Jul 2026. Overall record: 39 wins, 44 draws, 55 losses (28.3% win rate).
How do I prepare against Alef Boer?
138 games by Alef Boer 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.