Prepare against Lasse Simoni Nielsen
DNK · World #23,353 classical · FIDE ID 1404954
When preparing against Lasse Simoni Nielsen, expect 1.e4 in 100% of White games. Against 1.e4 the reply is 1...c5 (50% of games); against 1.d4, 1...Nf6 (75%).
Our database contains 42 games by Lasse Simoni Nielsen, covering Jul 2008 to Jul 2026. Below you'll find Lasse Simoni Nielsen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Lasse Simoni 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 | 2,030 | 2,062 | Nov 2017 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 42 | 16 | 10 | 16 | 38.1% |
| As White | 21 | 7 | 5 | 9 | 33.3% |
| As Black | 21 | 9 | 5 | 7 | 42.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Lasse Simoni Nielsen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Lasse Simoni Nielsen's side.
First moves as White (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 21 | 100.0% | 45.2% |
Main lines as White
- 1.e4 — 100% of White games, 45.2% score
- …c5 (52% of these games) — Nielsen usually continues Nc3 (60.0% score)
- …e6 (19% of these games) — Nielsen usually continues d4 (25.0% score)
- …c6 (14% of these games) — Nielsen usually continues d4 (0.0% score)
As Black against 1.e4 (16 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 8 | 50.0% | 62.5% |
| e6 | 8 | 50.0% | 68.8% |
As Black against 1.d4 (4 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 3 | 75.0% | 33.3% |
| d5 | 1 | 25.0% | 0.0% |
Lasse Simoni Nielsen's chess games
All 42 games by Lasse Simoni Nielsen in the Chess.ceo database (Jul 2008 - 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: 16 wins, 10 draws, 16 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B26 | Sicilian: Closed | 10 | 5/2/3 | 50.0% |
| C03 | French: Tarrasch Variation | 3 | 0/2/1 | 0.0% |
| B17 | Caro-Kann: Karpov Variation | 1 | 0/0/1 | 0.0% |
| B44 | French Defense | 1 | 0/0/1 | 0.0% |
| B19 | Caro-Kann: Classical | 1 | 0/0/1 | 0.0% |
| B01 | Scandinavian Defense: Main Line | 1 | 1/0/0 | 100.0% |
| C45 | Scotch Game | 1 | 1/0/0 | 100.0% |
| B35 | Sicilian: Accelerated Dragon | 1 | 0/0/1 | 0.0% |
| C92 | Ruy Lopez: Closed | 1 | 0/1/0 | 0.0% |
| B13 | Caro-Kann: Exchange Variation | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B48 | Sicilian: Taimanov | 3 | 1/1/1 | 33.3% |
| B23 | Sicilian: Closed | 3 | 2/1/0 | 66.7% |
| C01 | French: Exchange Variation | 2 | 0/1/1 | 0.0% |
| E90 | King's Indian Defense: Orthodox Variation | 2 | 0/0/2 | 0.0% |
| E81 | King's Indian: Sämisch | 2 | 1/0/1 | 50.0% |
| C02 | French: Advance Variation | 2 | 2/0/0 | 100.0% |
| C01 | French Defense | 2 | 0/2/0 | 0.0% |
| B44 | Sicilian | 1 | 1/0/0 | 100.0% |
| C18 | French: Winawer Variation | 1 | 1/0/0 | 100.0% |
| B30 | Sicilian: Rossolimo | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2008 | Torsten Lindestrom | 2,259 | 23rd North Sea Cup | B01 |
| Apr 2009 | Nicholas Nielsen | 2,197 | ch-DEN | B47 |
| Apr 2009 | John Bauneborg Nielsen | 2,197 | ch-DEN | B26 |
| Jul 2008 | Iver Poulsen | 2,147 | 23rd North Sea Cup | B26 |
| Jul 2008 | Flemming Preuss | 2,059 | 30th Politiken Cup | C02 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 30th Politiken Cup | 2008 | 10 | 5.5 | 2,221 |
| ch-DEN | 2009 | 9 | 3.5 | 2,081 |
| 23rd North Sea Cup | 2008 | 9 | 4.5 | 2,169 |
| 31st Politiken Cup | 2009 | 9 | 5 | 2,155 |
| chT-Nordic School | 2006 | 5 | 2.5 | 1,487 |
Interactive opening tree from all 42 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Lasse Simoni Nielsen's chess games?
42 games by Lasse Simoni Nielsen, from Jul 2008 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 Lasse Simoni Nielsen has played.
What does Lasse Simoni Nielsen play on the first move as White?
Across 21 games with White in our database, Lasse Simoni Nielsen opens with 1.e4 (100% of games). Against 1.e4 as Black, Lasse Simoni Nielsen answers 1...c5 (50% of games), 1...e6 (50% of games). Against 1.d4: 1...Nf6 (75% of games), 1...d5 (25% of games).
What openings does Lasse Simoni Nielsen play as White?
As White, Lasse Simoni Nielsen's most-played openings in our database are: Sicilian: Closed (10 games, 50.0% win rate); French: Tarrasch Variation (3 games, 0.0% win rate); Caro-Kann: Karpov Variation (1 games, 0.0% win rate). The full breakdown of 21 games with White is in the table above.
What openings does Lasse Simoni Nielsen play as Black?
As Black, Lasse Simoni Nielsen most often plays: Sicilian: Taimanov (3 games, 33.3% win rate); Sicilian: Closed (3 games, 66.7% win rate); French: Exchange Variation (2 games, 0.0% win rate). See the table above for the top ten Black openings across 21 games.
What is Lasse Simoni Nielsen's FIDE rating?
Lasse Simoni Nielsen is currently rated 2,030 in classical chess. Peak classical rating: 2,062 (Nov 2017).
How many games has Lasse Simoni Nielsen played?
Our database contains 42 games by Lasse Simoni Nielsen, covering Jul 2008 to Jul 2026. Overall record: 16 wins, 10 draws, 16 losses (38.1% win rate).
How do I prepare against Lasse Simoni Nielsen?
42 games by Lasse Simoni 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.