Prepare against Constantin Mueller
DEU · World #4,624 classical · FIDE ID 24697630
When preparing against Constantin Mueller, expect 1.d4 in 54% of White games. Against 1.e4 the reply is 1...e6 (68% of games); against 1.d4, 1...d5 (55%). Lowest win rate among frequent openings: Slav Defense as Black, 52.9% over 17 games.
Our database contains 187 games by Constantin Mueller, covering Jan 2010 to Nov 2026. Below you'll find Constantin Mueller's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Constantin 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 | 2,285 | 2,288 | Apr 2017 |
| Rapid | 2,285 | 2,285 | Nov 2026 |
| Blitz | 2,258 | 2,277 | Feb 2018 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 187 | 73 | 53 | 61 | 39.0% |
| As White | 91 | 34 | 29 | 28 | 37.4% |
| As Black | 96 | 39 | 24 | 33 | 40.6% |
FIDE rated record
From FIDE's official rated-game ledger (2008-2026): 320 rated games against 290 different opponents, across 54 events in 7 countries. These counts cover FIDE-rated play only, so they differ from the database totals above.
By time control
| Format | Games | W | D | L | Win rate | Avg opp | Perf | Unbeaten |
|---|---|---|---|---|---|---|---|---|
| Classical | 277 | 110 | 86 | 81 | 39.7% | 2,084 | 2,100 | 11 |
| Rapid | 16 | 13 | 2 | 1 | 81.3% | 1,855 | 2,148 | 11 |
| Blitz | 27 | 21 | 1 | 5 | 77.8% | 1,930 | 2,150 | 10 |
Against the field
| Opposition | Games | W | D | L | Win rate |
|---|---|---|---|---|---|
| Against higher-rated | 138 | 39 | 46 | 53 | 28.3% |
| Against lower-rated | 121 | 71 | 28 | 22 | 58.7% |
Wins over titled players: 2 vs GM · 8 vs IM · 18 vs FM · 1 vs WGM · 1 vs WIM · 1 vs WCM.
Tournament wins
3 tournament wins from 38 events, 2 of them outright.
Year by year
| Year | Games | W | D | L | Avg opp | Perf |
|---|---|---|---|---|---|---|
| 2026 | 6 | 6 | 0 | 0 | 1,603 | 2,003 |
| 2025 | 10 | 7 | 2 | 1 | 1,980 | 2,220 |
| 2020 | 2 | 2 | 0 | 0 | 2,314 | 2,714 |
| 2019 | 14 | 7 | 2 | 5 | 2,114 | 2,171 |
| 2018 | 15 | 9 | 4 | 2 | 2,060 | 2,214 |
| 2017 | 19 | 10 | 5 | 4 | 2,127 | 2,213 |
| 2016 | 49 | 19 | 15 | 15 | 2,253 | 2,278 |
| 2015 | 18 | 7 | 9 | 2 | 2,133 | 2,244 |
| 2014 | 16 | 9 | 2 | 5 | 2,064 | 2,144 |
| 2013 | 24 | 12 | 6 | 6 | 2,088 | 2,165 |
| 2012 | 38 | 14 | 9 | 15 | 1,970 | 1,948 |
| 2011 | 43 | 16 | 12 | 15 | 2,024 | 1,991 |
| 2010 | 40 | 17 | 14 | 9 | 1,936 | 1,989 |
| 2009 | 20 | 7 | 6 | 7 | 1,938 | 1,804 |
| 2008 | 6 | 2 | 3 | 1 | 1,815 | 1,615 |
Where Constantin Mueller has played
Germany (35) · England (12) · Switzerland (3) · Austria (1) · Czechia (1) · Greece (1) · Hong Kong SAR China (1)
Move-by-move preparation stats
Straight from the preparation tree built over all of Constantin Mueller's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Constantin Mueller's side.
First moves as White (91 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 49 | 53.8% | 52.0% |
| e4 | 20 | 22.0% | 62.5% |
| c4 | 11 | 12.1% | 54.5% |
| g3 | 6 | 6.6% | 58.3% |
| Nf3 | 5 | 5.5% | 20.0% |
Main lines as White
- 1.d4 — 54% of White games, 52.0% score
- …Nf6 (63% of these games) — Mueller usually continues c4 (51.9% score)
- …d5 (20% of these games) — Mueller usually continues c4 (50.0% score)
- …d6 (8% of these games) — Mueller usually continues c4 (50.0% score)
- 1.e4 — 22% of White games, 62.5% score
- …e6 (20% of these games) — Mueller usually continues d4 (87.5% score)
- …d6 (15% of these games) — Mueller usually continues d4 (100.0% score)
- …d5 (15% of these games) — Mueller usually continues exd5 (66.7% score)
As Black against 1.e4 (50 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 34 | 68.0% | 48.5% |
| c5 | 16 | 32.0% | 53.1% |
As Black against 1.d4 (29 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 16 | 55.2% | 59.4% |
| e6 | 8 | 27.6% | 56.3% |
| Nf6 | 5 | 17.2% | 30.0% |
Constantin Mueller's chess games
All 187 games by Constantin Mueller in the Chess.ceo database (Jan 2010 - Nov 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: 73 wins, 53 draws, 61 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A64 | Catalan | 14 | 4/9/1 | 28.6% |
| A42 | Modern Defense | 7 | 2/2/3 | 28.6% |
| D85 | Grünfeld Defense | 6 | 3/2/1 | 50.0% |
| A50 | Indian Defense | 5 | 0/2/3 | 0.0% |
| A33 | English Opening | 5 | 1/1/3 | 20.0% |
| B07 | Pirc Defense | 3 | 3/0/0 | 100.0% |
| A07 | Hungarian Opening | 3 | 2/1/0 | 66.7% |
| A36 | English Opening: Symmetrical | 3 | 1/0/2 | 33.3% |
| A11 | English Opening: Slav Setup | 3 | 2/0/1 | 66.7% |
| E18 | Queen's Indian Defense | 3 | 1/1/1 | 33.3% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D15 | Slav Defense | 17 | 9/4/4 | 52.9% |
| D35 | Indian Defense | 12 | 3/5/4 | 25.0% |
| B42 | Sicilian | 12 | 4/1/7 | 33.3% |
| C01 | French: Winawer Variation | 11 | 5/2/4 | 45.5% |
| C00 | French Defense | 7 | 2/2/3 | 28.6% |
| C01 | French: Exchange Variation | 7 | 3/2/2 | 42.9% |
| C02 | French: Advance Variation | 4 | 0/1/3 | 0.0% |
| A13 | English Opening | 3 | 2/1/0 | 66.7% |
| A11 | English Opening: Slav Setup | 3 | 1/1/1 | 33.3% |
| B22 | French: Tarrasch Variation | 3 | 1/2/0 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2016 | Spyridon Skembris | 2,416 | 28th Staufer Open A | E18 |
| Jul 2016 | Epaminondas Kourousis | 2,382 | 27th Pardubice Czech Open A | E15 |
| Feb 2018 | Callum Kilpatrick | 2,354 | chT2b-BCF 1718 (4NCL) | D41 |
| Feb 2018 | Peter J Batchelor | 2,332 | ch-British Universities | E04 |
| Feb 2017 | Andrew P Lewis | 2,301 | chT-BCF1b 1617 (4NCL) | D35 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-GER U12 | 2010 | 22 | 14.5 | 1,792 |
| ch-GER U14 | 2012 | 18 | 7.5 | 1,837 |
| ch-GER U10 | 2008 | 11 | 6.5 | 1,458 |
| ch-GER U16 | 2013 | 9 | 5.5 | 2,194 |
| 89th Hastings Masters Open | 2014 | 7 | 3 | 2,226 |
| chT-GER U20 | 2015 | 7 | 3.5 | 2,082 |
| Bayernliga U20 1516 | 2016 | 7 | 3.5 | 2,035 |
| Bayernliga U20 1112 | 2012 | 7 | 6 | 2,141 |
Interactive opening tree from all 187 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Constantin Mueller's chess games?
187 games by Constantin Mueller, from Jan 2010 to Nov 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 Constantin Mueller has played.
What does Constantin Mueller play on the first move as White?
Across 91 games with White in our database, Constantin Mueller opens with 1.d4 (54% of games), 1.e4 (22% of games), 1.c4 (12% of games). Against 1.e4 as Black, Constantin Mueller answers 1...e6 (68% of games), 1...c5 (32% of games). Against 1.d4: 1...d5 (55% of games), 1...e6 (28% of games), 1...Nf6 (17% of games).
What openings does Constantin Mueller play as White?
As White, Constantin Mueller's most-played openings in our database are: Catalan (14 games, 28.6% win rate); Modern Defense (7 games, 28.6% win rate); Grünfeld Defense (6 games, 50.0% win rate). The full breakdown of 91 games with White is in the table above.
What openings does Constantin Mueller play as Black?
As Black, Constantin Mueller most often plays: Slav Defense (17 games, 52.9% win rate); Indian Defense (12 games, 25.0% win rate); Sicilian (12 games, 33.3% win rate). See the table above for the top ten Black openings across 96 games.
What is Constantin Mueller's FIDE rating?
Constantin Mueller is currently rated 2,285 in classical chess, 2,285 in rapid and 2,258 in blitz. Peak classical rating: 2,288 (Apr 2017).
How many games has Constantin Mueller played?
Our database contains 187 games by Constantin Mueller, covering Jan 2010 to Nov 2026. Overall record: 73 wins, 53 draws, 61 losses (39.0% win rate).
How do I prepare against Constantin Mueller?
187 games by Constantin 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.