Prepare against Niels Dettmer
DEU · World #86,623 classical · FIDE ID 12933333
When preparing against Niels Dettmer, expect 1.d4 in 97% of White games. Against 1.e4 the reply is 1...e6 (38% of games); against 1.d4, 1...g6 (27%). Lowest win rate among frequent openings: London System as White, 40.0% over 20 games.
Our database contains 70 games by Niels Dettmer, covering Dec 2015 to Jul 2026. Below you'll find Niels Dettmer's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Niels Dettmer 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 | 1,769 | 1,856 | Jan 2017 |
| Rapid | 1,841 | 1,854 | Oct 2024 |
| Blitz | 1,809 | 1,830 | Jul 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 70 | 28 | 21 | 21 | 40.0% |
| As White | 37 | 14 | 14 | 9 | 37.8% |
| As Black | 33 | 14 | 7 | 12 | 42.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Niels Dettmer's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Niels Dettmer's side.
First moves as White (37 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 36 | 97.3% | 58.3% |
| Nf3 | 1 | 2.7% | 0.0% |
Main lines as White
- 1.d4 — 97% of White games, 58.3% score
- …d5 (50% of these games) — Dettmer usually continues Bf4 (63.9% score)
- …Nf6 (22% of these games) — Dettmer usually continues Bf4 (16.7% score)
- …d6 (8% of these games) — Dettmer usually continues Bf4 (50.0% score)
- 1.Nf3 — 3% of White games, 0.0% score
- …b6 (100% of these games) — Dettmer usually continues d4 (0.0% score)
As Black against 1.e4 (16 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 6 | 37.5% | 83.3% |
| d6 | 5 | 31.3% | 60.0% |
| g6 | 2 | 12.5% | 25.0% |
| c6 | 2 | 12.5% | 75.0% |
| b6 | 1 | 6.3% | 100.0% |
As Black against 1.d4 (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| g6 | 4 | 26.7% | 25.0% |
| e6 | 4 | 26.7% | 25.0% |
| d6 | 3 | 20.0% | 50.0% |
| Nf6 | 3 | 20.0% | 33.3% |
| f5 | 1 | 6.7% | 50.0% |
Niels Dettmer's chess games
All 70 games by Niels Dettmer in the Chess.ceo database (Dec 2015 - 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: 28 wins, 21 draws, 21 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D00 | London System | 20 | 8/7/5 | 40.0% |
| D00 | Horwitz Defense | 3 | 2/1/0 | 66.7% |
| A81 | Dutch Defense | 2 | 1/1/0 | 50.0% |
| A46 | Indian Defense | 2 | 1/1/0 | 50.0% |
| D00 | Queen's Pawn Game: Chigorin Variation | 2 | 0/1/1 | 0.0% |
| A45 | Rat Defense | 2 | 1/0/1 | 50.0% |
| A40 | Mikenas Defense | 1 | 0/1/0 | 0.0% |
| B12 | Caro-Kann: Advance Variation | 1 | 1/0/0 | 100.0% |
| A71 | Benoni Defense | 1 | 0/0/1 | 0.0% |
| A40 | Owen Defense | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A42 | Modern Defense | 6 | 1/0/5 | 16.7% |
| B07 | Pirc Defense: Lion System | 4 | 3/0/1 | 75.0% |
| A47 | Horwitz Defense | 3 | 0/0/3 | 0.0% |
| C00 | French Defense | 3 | 2/1/0 | 66.7% |
| B18 | Caro-Kann: Classical | 2 | 1/1/0 | 50.0% |
| A53 | Indian Defense | 2 | 1/0/1 | 50.0% |
| B34 | Pirc Defense | 2 | 0/1/1 | 0.0% |
| C02 | French: Advance Variation | 2 | 2/0/0 | 100.0% |
| E16 | Queen's Indian Defense | 1 | 0/0/1 | 0.0% |
| D37 | Semi-Slav Defense | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2017 | Vladimir Zotin | 1,917 | ch-Niedersachsen Open C | C02 |
| Jan 2016 | Monika Braje | 1,820 | ch-Niedersachsen Open B | C02 |
| Apr 2021 | Peter Krauseneck | 1,786 | ch-GER Net blitz qual1 | A80 |
| Apr 2021 | Dominik Gerhard | 1,698 | ch-GER Net blitz qual1 | B07 |
| Jan 2017 | Jakob Rautenberg | 1,697 | ch-Niedersachsen Open C | D02 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-Niedersachsen Open B | 2016 | 14 | 9.5 | 1,742 |
| ch-GER Net blitz qual2 | 2021 | 11 | 5 | 1,648 |
| ch-GER Net blitz qual1 | 2021 | 10 | 5.5 | 1,720 |
| Verden Open B | 2023 | 7 | 3.5 | 1,449 |
| ch-Niedersachsen Open C | 2017 | 7 | 4.5 | 1,863 |
| 19th Nuremberg Zabo Open | 2017 | 5 | 2 | 1,403 |
| 20th Nuremberg Zabo Open | 2018 | 5 | 3 | 1,744 |
| 18th Nuremberg Zabo Open | 2016 | 5 | 2.5 | 1,613 |
Interactive opening tree from all 70 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Niels Dettmer's chess games?
70 games by Niels Dettmer, from Dec 2015 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 Niels Dettmer has played.
What does Niels Dettmer play on the first move as White?
Across 37 games with White in our database, Niels Dettmer opens with 1.d4 (97% of games), 1.Nf3 (3% of games). Against 1.e4 as Black, Niels Dettmer answers 1...e6 (38% of games), 1...d6 (31% of games), 1...g6 (13% of games). Against 1.d4: 1...g6 (27% of games), 1...e6 (27% of games), 1...d6 (20% of games).
What openings does Niels Dettmer play as White?
As White, Niels Dettmer's most-played openings in our database are: London System (20 games, 40.0% win rate); Horwitz Defense (3 games, 66.7% win rate); Dutch Defense (2 games, 50.0% win rate). The full breakdown of 37 games with White is in the table above.
What openings does Niels Dettmer play as Black?
As Black, Niels Dettmer most often plays: Modern Defense (6 games, 16.7% win rate); Pirc Defense: Lion System (4 games, 75.0% win rate); Horwitz Defense (3 games, 0.0% win rate). See the table above for the top ten Black openings across 33 games.
What is Niels Dettmer's FIDE rating?
Niels Dettmer is currently rated 1,769 in classical chess, 1,841 in rapid and 1,809 in blitz. Peak classical rating: 1,856 (Jan 2017).
How many games has Niels Dettmer played?
Our database contains 70 games by Niels Dettmer, covering Dec 2015 to Jul 2026. Overall record: 28 wins, 21 draws, 21 losses (40.0% win rate).
How do I prepare against Niels Dettmer?
70 games by Niels Dettmer 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.