Prepare against Lennart Dek
FM · NLD · World #4,140 classical · FIDE ID 1013114
When preparing against Lennart Dek, expect 1.e4 in 93% of White games. Against 1.e4 the reply is 1...c5 (98% of games); against 1.d4, 1...d5 (62%). Lowest win rate among frequent openings: Sicilian: Sveshnikov as Black, 34.8% over 23 games.
Our database contains 220 games by Lennart Dek, covering Oct 2004 to Jul 2026. Below you'll find Lennart Dek's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Lennart Dek 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 | 2,299 | 2,341 | Nov 2018 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 220 | 80 | 64 | 75 | 36.4% |
| As White | 109 | 44 | 35 | 30 | 40.4% |
| As Black | 111 | 36 | 29 | 45 | 32.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Lennart Dek's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Lennart Dek's side.
First moves as White (109 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 101 | 92.7% | 55.9% |
| b3 | 7 | 6.4% | 64.3% |
| d4 | 1 | 0.9% | 50.0% |
Main lines as White
- 1.e4 — 93% of White games, 55.9% score
- …c5 (30% of these games) — Dek usually continues Nf3 (51.7% score)
- …e6 (20% of these games) — Dek usually continues d4 (50.0% score)
- …e5 (20% of these games) — Dek usually continues Nf3 (57.5% score)
- 1.b3 — 6% of White games, 64.3% score
- …Nf6 (43% of these games) — Dek usually continues Bb2 (83.3% score)
- …d5 (43% of these games) — Dek usually continues e3 (75.0% score)
- …e5 (14% of these games) — Dek usually continues Bb2 (50.0% score)
As Black against 1.e4 (60 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 59 | 98.3% | 46.6% |
| g6 | 1 | 1.7% | 50.0% |
As Black against 1.d4 (37 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 23 | 62.2% | 43.5% |
| d6 | 8 | 21.6% | 75.0% |
| Nf6 | 5 | 13.5% | 30.0% |
| e6 | 1 | 2.7% | 100.0% |
Lennart Dek's chess games
All 220 games by Lennart Dek in the Chess.ceo database (Oct 2004 - 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: 80 wins, 64 draws, 75 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B13 | Caro-Kann: Exchange Variation | 10 | 6/2/2 | 60.0% |
| C57 | Italian Game: Two Knights Defense | 10 | 7/1/2 | 70.0% |
| C11 | French Defense | 9 | 2/4/3 | 22.2% |
| B06 | Modern Defense | 8 | 5/1/2 | 62.5% |
| B32 | Sicilian | 7 | 2/3/2 | 28.6% |
| B33 | Sicilian: Sveshnikov | 6 | 0/3/3 | 0.0% |
| A01 | Nimzovich-Larsen attack | 6 | 2/3/1 | 33.3% |
| B76 | Sicilian: Dragon | 5 | 3/2/0 | 60.0% |
| C54 | Italian Game | 5 | 1/3/1 | 20.0% |
| C19 | French: Winawer Variation | 5 | 2/1/2 | 40.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B33 | Sicilian: Sveshnikov | 23 | 8/7/8 | 34.8% |
| B30 | Sicilian | 14 | 6/1/7 | 42.9% |
| D15 | Slav Defense | 10 | 5/1/4 | 50.0% |
| B23 | Sicilian: Closed | 8 | 3/3/2 | 37.5% |
| B30 | Sicilian: Rossolimo | 8 | 1/3/3 | 12.5% |
| D37 | Indian Defense | 6 | 0/1/5 | 0.0% |
| A21 | Queen's Pawn Game | 5 | 2/3/0 | 40.0% |
| B22 | Sicilian: Alapin | 5 | 0/3/2 | 0.0% |
| A32 | Catalan | 4 | 0/1/3 | 0.0% |
| A30 | English Opening: Symmetrical | 3 | 1/1/1 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2018 | Eduardas Rozentalis | 2,522 | 34th EU-Cup | B15 |
| May 2009 | Thomas Henrichs | 2,500 | 3rd Maastricht Limburg Open | A21 |
| Oct 2018 | Zoltan Varga | 2,448 | 34th EU-Cup | A28 |
| Apr 2018 | Mark Van der Werf | 2,400 | chT-NED 1718 | B09 |
| Nov 2017 | Martin Martens | 2,399 | chT-NED 1718 | B30 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Maastricht Limburg Open | 2008 | 14 | 9 | 2,364 |
| PRO League Stage | 2019 | 14 | 5.5 | 2,163 |
| PRO League Central | 2017 | 9 | 0.5 | 2,155 |
| Haarlem BDO-B | 2005 | 9 | 5 | 2,238 |
| chT-NED 1617 | 2017 | 9 | 6 | 2,411 |
| 11th Vlissingen HZ Open | 2007 | 9 | 5.5 | 2,290 |
| 12th Vlissingen HZ Open | 2008 | 9 | 5.5 | 2,172 |
| chT-NED 1516 | 2016 | 9 | 6 | 2,444 |
Interactive opening tree from all 220 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Lennart Dek's chess games?
220 games by Lennart Dek, from Oct 2004 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 Lennart Dek has played.
What does Lennart Dek play on the first move as White?
Across 109 games with White in our database, Lennart Dek opens with 1.e4 (93% of games), 1.b3 (6% of games), 1.d4 (1% of games). Against 1.e4 as Black, Lennart Dek answers 1...c5 (98% of games), 1...g6 (2% of games). Against 1.d4: 1...d5 (62% of games), 1...d6 (22% of games), 1...Nf6 (14% of games).
What openings does Lennart Dek play as White?
As White, Lennart Dek's most-played openings in our database are: Caro-Kann: Exchange Variation (10 games, 60.0% win rate); Italian Game: Two Knights Defense (10 games, 70.0% win rate); French Defense (9 games, 22.2% win rate). The full breakdown of 109 games with White is in the table above.
What openings does Lennart Dek play as Black?
As Black, Lennart Dek most often plays: Sicilian: Sveshnikov (23 games, 34.8% win rate); Sicilian (14 games, 42.9% win rate); Slav Defense (10 games, 50.0% win rate). See the table above for the top ten Black openings across 111 games.
What is Lennart Dek's FIDE rating?
Lennart Dek is currently rated 2,299 in classical chess. Peak classical rating: 2,341 (Nov 2018).
How many games has Lennart Dek played?
Our database contains 220 games by Lennart Dek, covering Oct 2004 to Jul 2026. Overall record: 80 wins, 64 draws, 75 losses (36.4% win rate).
How do I prepare against Lennart Dek?
220 games by Lennart Dek 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.