Prepare against Sonja Klotz
DEU · World #39,869 classical · FIDE ID 4680928
Our database contains 52 games by Sonja Klotz, covering Apr 2003 to Jul 2026. Below you'll find Sonja Klotz's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Sonja Klotz 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 | 1,936 | 2,070 | Mar 2012 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 52 | 11 | 22 | 19 | 21.2% |
| As White | 22 | 5 | 9 | 8 | 22.7% |
| As Black | 30 | 6 | 13 | 11 | 20.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Sonja Klotz's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Sonja Klotz's side.
First moves as White (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 22 | 100.0% | 43.2% |
Main lines as White
- 1.e4 — 100% of White games, 43.2% score
- …c5 (36% of these games) — Klotz usually continues Nc3 (50.0% score)
- …e6 (36% of these games) — Klotz usually continues d4 (37.5% score)
- …e5 (14% of these games) — Klotz usually continues Nf3 (50.0% score)
As Black against 1.e4 (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 15 | 100.0% | 36.7% |
As Black against 1.d4 (10 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 10 | 100.0% | 50.0% |
Sonja Klotz's chess games
All 52 games by Sonja Klotz 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: 11 wins, 22 draws, 19 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B24 | Sicilian: Closed | 8 | 3/2/3 | 37.5% |
| C05 | French: Tarrasch Variation | 5 | 0/3/2 | 0.0% |
| C01 | French: Classical Variation | 2 | 1/1/0 | 50.0% |
| C90 | Ruy Lopez: Closed | 2 | 1/0/1 | 50.0% |
| B07 | Pirc Defense: Lion System | 1 | 0/1/0 | 0.0% |
| C10 | French Defense | 1 | 0/0/1 | 0.0% |
| C70 | Ruy Lopez: Morphy Defense | 1 | 0/1/0 | 0.0% |
| B01 | Scandinavian Defense: Main Line | 1 | 0/1/0 | 0.0% |
| B07 | Pirc Defense | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B63 | Sicilian | 10 | 0/5/5 | 0.0% |
| D52 | Slav Defense | 4 | 2/1/1 | 50.0% |
| A03 | Bird's opening | 3 | 0/2/1 | 0.0% |
| B25 | Sicilian: Closed | 3 | 1/2/0 | 33.3% |
| A06 | Colle System | 2 | 1/1/0 | 50.0% |
| A17 | Indian Defense | 2 | 1/0/1 | 50.0% |
| D31 | Semi-Slav Defense | 1 | 0/0/1 | 0.0% |
| B22 | Sicilian: Alapin | 1 | 0/1/0 | 0.0% |
| D30 | Catalan | 1 | 0/0/1 | 0.0% |
| B31 | Sicilian: Rossolimo | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2010 | Alex Rempeli | 1,990 | Oberliga Wuerttemberg 0910 | D45 |
| Oct 2018 | Isabel Katte | 1,926 | BL2 Sued 1819 w | B23 |
| Jan 2018 | Anne Lukas | 1,877 | BL2 Sued 1718 w | D00 |
| Apr 2017 | Melanie Grund | 1,804 | ch-GER w | B24 |
| Apr 2017 | Ursula Hielscher | 1,796 | ch-GER w | C05 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-GER w | 2017 | 9 | 4.5 | 1,940 |
| Oberliga Wuerttemberg 0910 | 2010 | 7 | 2.5 | 1,925 |
| BL2 Sued 1617 w | 2017 | 7 | 2 | 1,875 |
| BL2 Sued 1718 w | 2018 | 6 | 2.5 | 1,863 |
| BL2 Sued 1819 w | 2019 | 5 | 3.5 | 2,046 |
| BL2 Sued 1415 w | 2015 | 4 | 1 | 1,756 |
| BL2 Sued 1920 w | 2020 | 4 | 0.5 | 1,720 |
| Regionalliga SW 1516 w | 2016 | 4 | 2.5 | 1,859 |
Interactive opening tree from all 52 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Sonja Klotz's chess games?
52 games by Sonja Klotz, 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 Sonja Klotz has played.
What does Sonja Klotz play on the first move as White?
Across 22 games with White in our database, Sonja Klotz opens with 1.e4 (100% of games). Against 1.e4 as Black, Sonja Klotz answers 1...c5 (100% of games). Against 1.d4: 1...d5 (100% of games).
What openings does Sonja Klotz play as White?
As White, Sonja Klotz's most-played openings in our database are: Sicilian: Closed (8 games, 37.5% win rate); French: Tarrasch Variation (5 games, 0.0% win rate); French: Classical Variation (2 games, 50.0% win rate). The full breakdown of 22 games with White is in the table above.
What openings does Sonja Klotz play as Black?
As Black, Sonja Klotz most often plays: Sicilian (10 games, 0.0% win rate); Slav Defense (4 games, 50.0% win rate); Bird's opening (3 games, 0.0% win rate). See the table above for the top ten Black openings across 30 games.
What is Sonja Klotz's FIDE rating?
Sonja Klotz is currently rated 1,936 in classical chess. Peak classical rating: 2,070 (Mar 2012).
How many games has Sonja Klotz played?
Our database contains 52 games by Sonja Klotz, covering Apr 2003 to Jul 2026. Overall record: 11 wins, 22 draws, 19 losses (21.2% win rate).
How do I prepare against Sonja Klotz?
52 games by Sonja Klotz 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.