Prepare against Peter Nielsen
DNK · World #103,401 classical · FIDE ID 1707485
When preparing against Peter Nielsen, expect 1.e4 in 60% of White games. Against 1.e4 the reply is 1...c5 (77% of games); against 1.d4, 1...Nf6 (70%). Lowest win rate among frequent openings: Sicilian: Closed as White, 26.7% over 15 games.
Our database contains 214 games by Peter Nielsen, covering Jan 2009 to Aug 2026. Below you'll find Peter Nielsen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Peter Nielsen 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 | 1,719 | 1,926 | Jul 2009 |
| Rapid | 1,740 | 1,767 | Sep 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 214 | 52 | 52 | 110 | 24.3% |
| As White | 105 | 30 | 28 | 47 | 28.6% |
| As Black | 109 | 22 | 24 | 63 | 20.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Peter Nielsen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Peter Nielsen's side.
First moves as White (105 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 63 | 60.0% | 42.9% |
| d4 | 27 | 25.7% | 44.4% |
| c4 | 9 | 8.6% | 50.0% |
| Nf3 | 5 | 4.8% | 10.0% |
| f4 | 1 | 1.0% | 0.0% |
Main lines as White
- 1.e4 — 60% of White games, 42.9% score
- …c5 (30% of these games) — Nielsen usually continues Nc3 (40.0% score)
- …e5 (24% of these games) — Nielsen usually continues Nf3 (50.0% score)
- …c6 (16% of these games) — Nielsen usually continues d4 (43.8% score)
- 1.d4 — 26% of White games, 44.4% score
- …Nf6 (33% of these games) — Nielsen usually continues c4 (33.3% score)
- …f5 (26% of these games) — Nielsen usually continues Bg5 (50.0% score)
- …d5 (22% of these games) — Nielsen usually continues c4 (62.5% score)
As Black against 1.e4 (44 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 34 | 77.3% | 32.4% |
| c6 | 3 | 6.8% | 33.3% |
| e5 | 3 | 6.8% | 33.3% |
| d5 | 3 | 6.8% | 33.3% |
| e6 | 1 | 2.3% | 0.0% |
As Black against 1.d4 (46 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 32 | 69.6% | 26.6% |
| f5 | 9 | 19.6% | 27.8% |
| e6 | 2 | 4.3% | 25.0% |
| d5 | 2 | 4.3% | 0.0% |
| d6 | 1 | 2.2% | 0.0% |
Peter Nielsen's chess games
All 214 games by Peter Nielsen in the Chess.ceo database (Jan 2009 - Aug 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: 52 wins, 52 draws, 110 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B23 | Sicilian: Closed | 15 | 4/4/7 | 26.7% |
| B13 | Caro-Kann: Exchange Variation | 8 | 3/1/4 | 37.5% |
| A80 | Dutch Defense | 7 | 1/5/1 | 14.3% |
| B08 | Pirc Defense | 6 | 3/0/3 | 50.0% |
| C44 | Scotch Game | 5 | 3/0/2 | 60.0% |
| A11 | English Opening | 4 | 1/2/1 | 25.0% |
| B01 | Scandinavian Defense: Main Line | 4 | 1/1/2 | 25.0% |
| A23 | English Opening: Reverse Sicilian | 4 | 2/0/2 | 50.0% |
| A45 | London System | 4 | 0/0/4 | 0.0% |
| B04 | Alekhine Defense | 3 | 0/1/2 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B34 | Sicilian: Accelerated Dragon | 14 | 4/2/8 | 28.6% |
| A80 | Dutch Defense | 12 | 1/5/6 | 8.3% |
| E11 | Bogo-Indian Defense | 10 | 3/3/4 | 30.0% |
| B27 | Sicilian: Hyperaccelerated Dragon | 8 | 0/0/8 | 0.0% |
| A46 | Indian Defense | 8 | 0/2/6 | 0.0% |
| B20 | Sicilian | 6 | 2/1/3 | 33.3% |
| A37 | English Opening: Symmetrical | 6 | 3/2/1 | 50.0% |
| A48 | King's Indian Defense | 3 | 2/0/1 | 66.7% |
| A10 | English Opening: Dutch Defense | 3 | 0/0/3 | 0.0% |
| A45 | London System | 2 | 1/0/1 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2012 | Mauro Barboza | 2,063 | 22nd Wch Seniors | B35 |
| Nov 2013 | Vladimir Karabut | 2,044 | 23rd Wch Seniors | A11 |
| Jul 2018 | Hans Frisk | 2,004 | Helsingor Xtracon Open | E61 |
| Jul 2017 | Sigmund Lunde | 1,932 | Helsingor Xtracon Open | A23 |
| Nov 2012 | Frank Strohbusch | 1,864 | 22nd Wch Seniors | C17 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Helsingor Xtracon Open | 2019 | 29 | 10.5 | 1,645 |
| ch-DEN Seniors 65 | 2022 | 20 | 8 | 1,692 |
| 31st Politiken Cup | 2009 | 17 | 7 | 1,947 |
| 22nd Wch Seniors | 2012 | 11 | 3.5 | 1,836 |
| ch-DEN Seniors | 2023 | 11 | 4.5 | 1,747 |
| 28th Wch Seniors 65 | 2018 | 11 | 3.5 | 1,752 |
| 26th Wch Seniors 65 | 2016 | 11 | 3.5 | 1,670 |
| 34th Politiken Cup | 2012 | 10 | 2.5 | 1,594 |
Interactive opening tree from all 214 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Peter Nielsen's chess games?
214 games by Peter Nielsen, from Jan 2009 to Aug 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 Peter Nielsen has played.
What does Peter Nielsen play on the first move as White?
Across 105 games with White in our database, Peter Nielsen opens with 1.e4 (60% of games), 1.d4 (26% of games), 1.c4 (9% of games). Against 1.e4 as Black, Peter Nielsen answers 1...c5 (77% of games), 1...c6 (7% of games), 1...e5 (7% of games). Against 1.d4: 1...Nf6 (70% of games), 1...f5 (20% of games), 1...e6 (4% of games).
What openings does Peter Nielsen play as White?
As White, Peter Nielsen's most-played openings in our database are: Sicilian: Closed (15 games, 26.7% win rate); Caro-Kann: Exchange Variation (8 games, 37.5% win rate); Dutch Defense (7 games, 14.3% win rate). The full breakdown of 105 games with White is in the table above.
What openings does Peter Nielsen play as Black?
As Black, Peter Nielsen most often plays: Sicilian: Accelerated Dragon (14 games, 28.6% win rate); Dutch Defense (12 games, 8.3% win rate); Bogo-Indian Defense (10 games, 30.0% win rate). See the table above for the top ten Black openings across 109 games.
What is Peter Nielsen's FIDE rating?
Peter Nielsen is currently rated 1,719 in classical chess, 1,740 in rapid. Peak classical rating: 1,926 (Jul 2009).
How many games has Peter Nielsen played?
Our database contains 214 games by Peter Nielsen, covering Jan 2009 to Aug 2026. Overall record: 52 wins, 52 draws, 110 losses (24.3% win rate).
How do I prepare against Peter Nielsen?
214 games by Peter Nielsen 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.