Prepare against Klaus Mueller
DEU · World #36,010 classical · FIDE ID 4696522
When preparing against Klaus Mueller, expect 1.e4 in 94% of White games. Against 1.e4 the reply is 1...c5 (84% of games); against 1.d4, 1...d5 (62%).
Our database contains 90 games by Klaus Mueller, covering Oct 2003 to Jul 2026. Below you'll find Klaus Mueller's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Klaus Mueller 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 | 1,954 | 2,061 | Jul 2007 |
| Rapid | 1,921 | 1,921 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 90 | 32 | 23 | 35 | 35.6% |
| As White | 47 | 21 | 11 | 15 | 44.7% |
| As Black | 43 | 11 | 12 | 20 | 25.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Klaus Mueller's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Klaus Mueller's side.
First moves as White (47 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 44 | 93.6% | 56.8% |
| d4 | 2 | 4.3% | 75.0% |
| f4 | 1 | 2.1% | 0.0% |
Main lines as White
- 1.e4 — 94% of White games, 56.8% score
- …c5 (36% of these games) — Mueller usually continues Nf3 (53.3% score)
- …e6 (20% of these games) — Mueller usually continues d4 (55.6% score)
- …e5 (16% of these games) — Mueller usually continues Nf3 (64.3% score)
- 1.d4 — 4% of White games, 75.0% score
- …c5 (50% of these games) — Mueller usually continues Nf3 (50.0% score)
- …d5 (50% of these games) — Mueller usually continues Nf3 (100.0% score)
As Black against 1.e4 (19 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 16 | 84.2% | 31.3% |
| e5 | 2 | 10.5% | 25.0% |
| e6 | 1 | 5.3% | 0.0% |
As Black against 1.d4 (13 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 8 | 61.5% | 37.5% |
| Nf6 | 5 | 38.5% | 40.0% |
Klaus Mueller's chess games
All 90 games by Klaus Mueller in the Chess.ceo database (Oct 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: 32 wins, 23 draws, 35 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B35 | Sicilian | 5 | 2/0/3 | 40.0% |
| B07 | Pirc Defense | 4 | 3/1/0 | 75.0% |
| C02 | French: Advance Variation | 4 | 3/1/0 | 75.0% |
| B90 | Sicilian: Najdorf | 3 | 1/2/0 | 33.3% |
| C01 | French Defense | 3 | 1/0/2 | 33.3% |
| B33 | Sicilian: Sveshnikov | 2 | 2/0/0 | 100.0% |
| C78 | Ruy Lopez: Morphy Defense | 2 | 2/0/0 | 100.0% |
| B06 | Modern Defense | 2 | 0/1/1 | 0.0% |
| C60 | Ruy Lopez: Fianchetto | 2 | 0/1/1 | 0.0% |
| D05 | Colle System | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B23 | Sicilian: Closed | 5 | 0/1/4 | 0.0% |
| D46 | Slav Defense | 4 | 2/0/2 | 50.0% |
| B22 | Sicilian: Alapin | 4 | 1/1/2 | 25.0% |
| A10 | English Opening | 3 | 1/1/1 | 33.3% |
| A84 | Queen's Pawn Game | 3 | 1/0/2 | 33.3% |
| B20 | Sicilian | 3 | 1/1/1 | 33.3% |
| A07 | King's Indian Attack | 2 | 0/1/1 | 0.0% |
| D36 | Indian Defense | 2 | 0/1/1 | 0.0% |
| C00 | Réti Opening | 2 | 0/1/1 | 0.0% |
| A22 | English Opening: Reverse Sicilian | 2 | 1/0/1 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2009 | Herbert Weigel | 2,158 | 21st ch-GER Seniors | C78 |
| Jan 2004 | Sergiy Putselyk | 2,136 | Landesliga Nord 0304 | B40 |
| Aug 2015 | Seyran Khodjabagyan | 2,127 | 27th chA-GER Seniors | B99 |
| Aug 2015 | Rudolf Mueller | 2,102 | 27th chA-GER Seniors | B27 |
| Apr 2004 | Fritz Eichenseer | 2,014 | Landesliga Nord 0304 | B80 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 13th Brandenburg Seniors Open | 2005 | 17 | 10 | 1,889 |
| Oberliga Nord O 1920 | 2021 | 9 | 1.5 | 1,861 |
| 27th chA-GER Seniors | 2015 | 9 | 5.5 | 2,081 |
| 35th Potsdam Christmas | 2010 | 7 | 4.5 | 2,088 |
| Wetzlar Open | 2009 | 7 | 3 | 1,864 |
| 21st ch-GER Seniors | 2009 | 7 | 1.5 | 1,968 |
| 34th Potsdam Christmas | 2010 | 6 | 3 | 1,577 |
| Landesliga Nord 0304 | 2004 | 6 | 4.5 | 2,160 |
Interactive opening tree from all 90 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Klaus Mueller's chess games?
90 games by Klaus Mueller, from Oct 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 Klaus Mueller has played.
What does Klaus Mueller play on the first move as White?
Across 47 games with White in our database, Klaus Mueller opens with 1.e4 (94% of games), 1.d4 (4% of games), 1.f4 (2% of games). Against 1.e4 as Black, Klaus Mueller answers 1...c5 (84% of games), 1...e5 (11% of games), 1...e6 (5% of games). Against 1.d4: 1...d5 (62% of games), 1...Nf6 (38% of games).
What openings does Klaus Mueller play as White?
As White, Klaus Mueller's most-played openings in our database are: Sicilian (5 games, 40.0% win rate); Pirc Defense (4 games, 75.0% win rate); French: Advance Variation (4 games, 75.0% win rate). The full breakdown of 47 games with White is in the table above.
What openings does Klaus Mueller play as Black?
As Black, Klaus Mueller most often plays: Sicilian: Closed (5 games, 0.0% win rate); Slav Defense (4 games, 50.0% win rate); Sicilian: Alapin (4 games, 25.0% win rate). See the table above for the top ten Black openings across 43 games.
What is Klaus Mueller's FIDE rating?
Klaus Mueller is currently rated 1,954 in classical chess, 1,921 in rapid. Peak classical rating: 2,061 (Jul 2007).
How many games has Klaus Mueller played?
Our database contains 90 games by Klaus Mueller, covering Oct 2003 to Jul 2026. Overall record: 32 wins, 23 draws, 35 losses (35.6% win rate).
How do I prepare against Klaus Mueller?
90 games by Klaus Mueller 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.