Prepare against Nils Decker
DEU · World #129,377 classical · FIDE ID 16273761
When preparing against Nils Decker, expect 1.e4 in 100% of White games. Against 1.e4 the reply is 1...e5 (100% of games); against 1.d4, 1...e6 (80%).
Our database contains 51 games by Nils Decker, covering Feb 2020 to Oct 2026. Below you'll find Nils Decker's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Nils Decker 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 | 1,649 | 1,649 | Oct 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 51 | 18 | 5 | 28 | 35.3% |
| As White | 25 | 7 | 3 | 15 | 28.0% |
| As Black | 26 | 11 | 2 | 13 | 42.3% |
FIDE rated record
From FIDE's official rated-game ledger (2018-2025): 94 rated games against 82 different opponents, across 15 events in 1 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 | 94 | 31 | 13 | 50 | 33.0% | 1,587 | 1,427 | 5 |
Against the field
| Opposition | Games | W | D | L | Win rate |
|---|---|---|---|---|---|
| Against higher-rated | 40 | 8 | 7 | 25 | 20.0% |
| Against lower-rated | 11 | 5 | 2 | 4 | 45.5% |
Year by year
| Year | Games | W | D | L | Avg opp | Perf |
|---|---|---|---|---|---|---|
| 2025 | 7 | 2 | 2 | 3 | 1,704 | 1,637 |
| 2024 | 12 | 5 | 2 | 5 | 1,700 | 1,656 |
| 2023 | 17 | 5 | 2 | 10 | 1,486 | 1,393 |
| 2022 | 18 | 6 | 3 | 9 | 1,669 | 1,454 |
| 2021 | 14 | 5 | 1 | 8 | 1,622 | 1,289 |
| 2020 | 5 | 2 | 1 | 2 | 1,452 | 1,552 |
| 2019 | 14 | 5 | 1 | 8 | 1,508 | 1,286 |
| 2018 | 7 | 1 | 1 | 5 | 1,505 | 1,105 |
Move-by-move preparation stats
Straight from the preparation tree built over all of Nils Decker's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Nils Decker's side.
First moves as White (25 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 25 | 100.0% | 34.0% |
Main lines as White
- 1.e4 — 100% of White games, 34.0% score
- …c5 (36% of these games) — Decker usually continues Nf3 (40.0% score)
- …e5 (28% of these games) — Decker usually continues Nf3 (21.4% score)
- …c6 (16% of these games) — Decker usually continues d4 (50.0% score)
As Black against 1.e4 (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 15 | 100.0% | 56.7% |
As Black against 1.d4 (5 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 4 | 80.0% | 12.5% |
| Nf6 | 1 | 20.0% | 0.0% |
Nils Decker's chess games
All 51 games by Nils Decker in the Chess.ceo database (Feb 2020 - Oct 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: 18 wins, 5 draws, 28 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B21 | Sicilian | 8 | 2/1/5 | 25.0% |
| C78 | Ruy Lopez: Morphy Defense | 2 | 0/1/1 | 0.0% |
| C50 | Italian Game | 2 | 0/0/2 | 0.0% |
| B07 | Pirc Defense | 2 | 0/1/1 | 0.0% |
| B10 | Caro-Kann | 2 | 1/0/1 | 50.0% |
| C15 | French: Winawer Variation | 1 | 0/0/1 | 0.0% |
| B06 | Modern Defense | 1 | 0/0/1 | 0.0% |
| C63 | Ruy Lopez: Schliemann | 1 | 0/0/1 | 0.0% |
| B20 | Sicilian: Closed | 1 | 1/0/0 | 100.0% |
| C46 | Three Knights Opening | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C50 | Italian Game | 6 | 2/0/4 | 33.3% |
| A13 | Indian Defense | 3 | 1/0/2 | 33.3% |
| C48 | Four Knights Game: Spanish Variation | 2 | 2/0/0 | 100.0% |
| D02 | Queen's Pawn Game | 2 | 0/0/2 | 0.0% |
| C47 | Four Knights Game | 2 | 1/0/1 | 50.0% |
| A22 | English Opening: Reverse Sicilian | 2 | 1/0/1 | 50.0% |
| C30 | King's Gambit | 2 | 1/0/1 | 50.0% |
| C50 | Scotch Game | 1 | 1/0/0 | 100.0% |
| C07 | French: Tarrasch Variation | 1 | 0/0/1 | 0.0% |
| D00 | Horwitz Defense | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2026 | Anton Albrecht | 1,827 | Greifswalder Springer 2026 | C02 |
| Apr 2023 | Karsten Manke | 1,803 | Mecklenburg VP LL2 Ost 2223 | C30 |
| Jan 2023 | Wolfgang Mietz | 1,785 | Mecklenburg VP LL2 Ost 2223 | A13 |
| Oct 2026 | Narek Mkrtchyan | 1,712 | Greifswalder Springer 2026 | C55 |
| Oct 2026 | Nico Alexander Grubel | 1,689 | Greifswalder Springer 2026 | B10 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Greifswald Springer Open | 2023 | 14 | 6 | 1,512 |
| chC-Mecklenburg VP | 2024 | 7 | 3 | 1,504 |
| Mecklenburg VP LL2 Ost 2223 | 2023 | 7 | 3 | 1,698 |
| ch-Mecklenburg VP Open | 2021 | 7 | 2 | 1,441 |
| 23rd Greifswald Ryck Open | 2022 | 6 | 2 | 1,433 |
| Greifswalder Springer 2026 | 2026 | 5 | 3 | 1,872 |
| 24th Greifswald Ryck Open | 2023 | 5 | 1.5 | 1,092 |
Interactive opening tree from all 51 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Nils Decker's chess games?
51 games by Nils Decker, from Feb 2020 to Oct 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 Nils Decker has played.
What does Nils Decker play on the first move as White?
Across 25 games with White in our database, Nils Decker opens with 1.e4 (100% of games). Against 1.e4 as Black, Nils Decker answers 1...e5 (100% of games). Against 1.d4: 1...e6 (80% of games), 1...Nf6 (20% of games).
What openings does Nils Decker play as White?
As White, Nils Decker's most-played openings in our database are: Sicilian (8 games, 25.0% win rate); Ruy Lopez: Morphy Defense (2 games, 0.0% win rate); Italian Game (2 games, 0.0% win rate). The full breakdown of 25 games with White is in the table above.
What openings does Nils Decker play as Black?
As Black, Nils Decker most often plays: Italian Game (6 games, 33.3% win rate); Indian Defense (3 games, 33.3% win rate); Four Knights Game: Spanish Variation (2 games, 100.0% win rate). See the table above for the top ten Black openings across 26 games.
What is Nils Decker's FIDE rating?
Nils Decker is currently rated 1,649 in classical chess. Peak classical rating: 1,649 (Oct 2026).
How many games has Nils Decker played?
Our database contains 51 games by Nils Decker, covering Feb 2020 to Oct 2026. Overall record: 18 wins, 5 draws, 28 losses (35.3% win rate).
How do I prepare against Nils Decker?
51 games by Nils Decker 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.