Prepare against Harald Keller
DEU · World #27,424 classical · FIDE ID 24699802
When preparing against Harald Keller, expect 1.e4 in 100% of White games. Against 1.e4 the reply is 1...Nf6 (95% of games); against 1.d4, 1...Nf6 (100%). Lowest win rate among frequent openings: Sicilian: Closed as White, 20.0% over 20 games.
Our database contains 112 games by Harald Keller, covering Apr 2009 to Aug 2026. Below you'll find Harald Keller's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Harald Keller 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 | 2,002 | 2,082 | Aug 2015 |
| Rapid | 2,057 | 2,061 | Oct 2012 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 112 | 26 | 61 | 25 | 23.2% |
| As White | 55 | 13 | 30 | 12 | 23.6% |
| As Black | 57 | 13 | 31 | 13 | 22.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Harald Keller's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Harald Keller's side.
First moves as White (55 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 55 | 100.0% | 50.9% |
Main lines as White
- 1.e4 — 100% of White games, 50.9% score
- …c5 (40% of these games) — Keller usually continues Nc3 (40.0% score)
- …e6 (22% of these games) — Keller usually continues Nf3 (62.5% score)
- …c6 (13% of these games) — Keller usually continues d4 (50.0% score)
As Black against 1.e4 (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 21 | 95.5% | 52.4% |
| d5 | 1 | 4.5% | 50.0% |
As Black against 1.d4 (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 22 | 100.0% | 50.0% |
Harald Keller's chess games
All 112 games by Harald Keller in the Chess.ceo database (Apr 2009 - 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: 26 wins, 61 draws, 25 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B25 | Sicilian: Closed | 20 | 4/8/8 | 20.0% |
| C00 | French Defense | 10 | 4/5/1 | 40.0% |
| B12 | Caro-Kann: Advance Variation | 4 | 1/2/1 | 25.0% |
| B02 | Alekhine Defense | 4 | 2/2/0 | 50.0% |
| C56 | Italian Game | 3 | 0/3/0 | 0.0% |
| B22 | Sicilian | 2 | 0/1/1 | 0.0% |
| B13 | Caro-Kann: Exchange Variation | 2 | 0/2/0 | 0.0% |
| C16 | French: Winawer Variation | 2 | 0/1/1 | 0.0% |
| C25 | Vienna Game | 1 | 1/0/0 | 100.0% |
| C24 | Bishop's Opening: Boden-Kieseritzky Gambit | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B04 | Alekhine Defense | 21 | 5/12/4 | 23.8% |
| A38 | English Opening | 10 | 2/4/4 | 20.0% |
| A46 | Indian Defense | 4 | 1/2/1 | 25.0% |
| A52 | Budapest Defense | 4 | 1/2/1 | 25.0% |
| A92 | Catalan | 3 | 0/2/1 | 0.0% |
| D01 | Richter-Veresov Attack | 2 | 0/1/1 | 0.0% |
| A03 | Réti Opening | 2 | 1/1/0 | 50.0% |
| E30 | Nimzo-Indian: Leningrad Variation | 1 | 1/0/0 | 100.0% |
| E18 | Queen's Indian Defense | 1 | 1/0/0 | 100.0% |
| B01 | Scandinavian Defense: Main Line | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2015 | Werner Szenetra | 2,200 | 27th ch-Wuertemberg Seniors | A08 |
| Jul 2016 | Frank Schneider | 2,107 | ch-Baden Wuerttemberg Seniors Open 2nd | E16 |
| Oct 2017 | Gerhard Krueger | 1,978 | 26th chT-GER Seniors | B04 |
| May 2013 | Bernhard Ast | 1,962 | ch-Stuttgart A int | C00 |
| May 2015 | Elisa Zeller | 1,956 | chA-Stuttgart Open | C00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-Stuttgart A int | 2013 | 27 | 15.5 | 2,091 |
| 27th ch-Wuertemberg Seniors | 2015 | 9 | 6 | 2,216 |
| 28th Kiel Open | 2015 | 9 | 4.5 | 1,977 |
| 18th ch-MVP Seniors Open | 2018 | 9 | 5 | 1,932 |
| 26th chT-GER Seniors | 2017 | 7 | 3 | 1,938 |
| chA-Stuttgart Open | 2015 | 7 | 3 | 2,030 |
| 25th Kiel Open | 2012 | 6 | 3 | 1,953 |
| 28th chA-GER Seniors | 2016 | 6 | 3.5 | 2,155 |
Interactive opening tree from all 112 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Harald Keller's chess games?
112 games by Harald Keller, from Apr 2009 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 Harald Keller has played.
What does Harald Keller play on the first move as White?
Across 55 games with White in our database, Harald Keller opens with 1.e4 (100% of games). Against 1.e4 as Black, Harald Keller answers 1...Nf6 (95% of games), 1...d5 (5% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Harald Keller play as White?
As White, Harald Keller's most-played openings in our database are: Sicilian: Closed (20 games, 20.0% win rate); French Defense (10 games, 40.0% win rate); Caro-Kann: Advance Variation (4 games, 25.0% win rate). The full breakdown of 55 games with White is in the table above.
What openings does Harald Keller play as Black?
As Black, Harald Keller most often plays: Alekhine Defense (21 games, 23.8% win rate); English Opening (10 games, 20.0% win rate); Indian Defense (4 games, 25.0% win rate). See the table above for the top ten Black openings across 57 games.
What is Harald Keller's FIDE rating?
Harald Keller is currently rated 2,002 in classical chess, 2,057 in rapid. Peak classical rating: 2,082 (Aug 2015).
How many games has Harald Keller played?
Our database contains 112 games by Harald Keller, covering Apr 2009 to Aug 2026. Overall record: 26 wins, 61 draws, 25 losses (23.2% win rate).
How do I prepare against Harald Keller?
112 games by Harald Keller 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.