Prepare against Lex Karstens
NLD · World #51,944 classical · FIDE ID 1037617
Our database contains 45 games by Lex Karstens, covering Jan 2011 to Jul 2026. Below you'll find Lex Karstens's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Lex Karstens 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 | 1,885 | 1,926 | Mar 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 45 | 13 | 13 | 19 | 28.9% |
| As White | 23 | 10 | 7 | 6 | 43.5% |
| As Black | 22 | 3 | 6 | 13 | 13.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Lex Karstens's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Lex Karstens's side.
First moves as White (23 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 23 | 100.0% | 58.7% |
Main lines as White
- 1.d4 — 100% of White games, 58.7% score
- …Nf6 (43% of these games) — Karstens usually continues Bg5 (65.0% score)
- …d5 (30% of these games) — Karstens usually continues Bg5 (50.0% score)
- …d6 (9% of these games) — Karstens usually continues e4 (75.0% score)
As Black against 1.e4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 11 | 100.0% | 22.7% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 8 | 100.0% | 37.5% |
Lex Karstens's chess games
All 45 games by Lex Karstens in the Chess.ceo database (Jan 2011 - 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: 13 wins, 13 draws, 19 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D00 | Trompowsky Attack | 10 | 5/3/2 | 50.0% |
| D00 | Queen's Pawn Game | 8 | 2/3/3 | 25.0% |
| A80 | Dutch Defense | 2 | 1/0/1 | 50.0% |
| B07 | Pirc Defense | 2 | 1/1/0 | 50.0% |
| A80 | Horwitz Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A52 | Budapest Defense | 4 | 1/2/1 | 25.0% |
| B13 | Caro-Kann: Exchange Variation | 4 | 1/1/2 | 25.0% |
| B10 | Caro-Kann | 2 | 1/0/1 | 50.0% |
| B12 | Caro-Kann: Advance Variation | 2 | 0/0/2 | 0.0% |
| A20 | English Opening: Reverse Sicilian | 2 | 0/1/1 | 0.0% |
| B16 | Caro-Kann: Main Line | 2 | 0/0/2 | 0.0% |
| A45 | Trompowsky Attack | 1 | 0/1/0 | 0.0% |
| B11 | Caro-Kann: Two Knights Variation | 1 | 0/0/1 | 0.0% |
| D04 | Colle System | 1 | 0/1/0 | 0.0% |
| A10 | English Opening | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2018 | Jan Prins | 2,003 | 44th Guernsey Open | D00 |
| Oct 2018 | Dirk Sikkel | 1,969 | 44th Guernsey Open | B13 |
| Oct 2018 | Mark V Taylor | 1,933 | 44th Guernsey Open | B07 |
| Jun 2011 | Jan Heijenrath | 1,782 | 5th Maastricht Limburg Open B | A52 |
| Aug 2009 | Joey Van de Braak | 1,744 | chB-NBSB | A80 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 9th Maastricht Limburg Open B | 2015 | 7 | 3.5 | 1,841 |
| 5th Maastricht Limburg Open B | 2011 | 7 | 3 | 1,753 |
| 44th Guernsey Open | 2018 | 7 | 4 | 2,060 |
| 27th Geraardsbergen Open | 2011 | 6 | 1.5 | 1,987 |
| 6th Maastricht Limburg Open B | 2012 | 6 | 3 | 1,849 |
| chB-NBSB | 2009 | 5 | 3.5 | 1,905 |
| Utrecht OKU Open | 2009 | 3 | 1 | 2,097 |
| Haarlem Open | 2007 | 2 | 0 | 1,766 |
Interactive opening tree from all 45 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Lex Karstens's chess games?
45 games by Lex Karstens, from Jan 2011 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 Lex Karstens has played.
What does Lex Karstens play on the first move as White?
Across 23 games with White in our database, Lex Karstens opens with 1.d4 (100% of games). Against 1.e4 as Black, Lex Karstens answers 1...c6 (100% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Lex Karstens play as White?
As White, Lex Karstens's most-played openings in our database are: Trompowsky Attack (10 games, 50.0% win rate); Queen's Pawn Game (8 games, 25.0% win rate); Dutch Defense (2 games, 50.0% win rate). The full breakdown of 23 games with White is in the table above.
What openings does Lex Karstens play as Black?
As Black, Lex Karstens most often plays: Budapest Defense (4 games, 25.0% win rate); Caro-Kann: Exchange Variation (4 games, 25.0% win rate); Caro-Kann (2 games, 50.0% win rate). See the table above for the top ten Black openings across 22 games.
What is Lex Karstens's FIDE rating?
Lex Karstens is currently rated 1,885 in classical chess. Peak classical rating: 1,926 (Mar 2024).
How many games has Lex Karstens played?
Our database contains 45 games by Lex Karstens, covering Jan 2011 to Jul 2026. Overall record: 13 wins, 13 draws, 19 losses (28.9% win rate).
How do I prepare against Lex Karstens?
45 games by Lex Karstens 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.