Prepare against Karl Erik Clausen
Spain · World #46,967 classical · FIDE ID 54585767
When preparing against Karl Erik Clausen, expect 1.b3 in 78% of White games. Against 1.e4 the reply is 1...d5 (100% of games); against 1.d4, 1...Nf6 (80%).
Our database contains 34 games by Karl Erik Clausen, covering Jul 2018 to Jul 2026. Below you'll find Karl Erik Clausen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Karl Erik Clausen 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 | 1,906 | 1,956 | Apr 2026 |
| Rapid | 1,938 | 1,959 | Nov 2024 |
| Blitz | 1,940 | 1,950 | Oct 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 34 | 11 | 10 | 13 | 32.4% |
| As White | 18 | 8 | 5 | 5 | 44.4% |
| As Black | 16 | 3 | 5 | 8 | 18.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Karl Erik Clausen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Karl Erik Clausen's side.
First moves as White (18 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| b3 | 14 | 77.8% | 71.4% |
| f4 | 2 | 11.1% | 25.0% |
| e4 | 1 | 5.6% | 0.0% |
| e3 | 1 | 5.6% | 0.0% |
Main lines as White
- 1.b3 — 78% of White games, 71.4% score
- …e5 (36% of these games) — Clausen usually continues e3 (50.0% score)
- …d5 (29% of these games) — Clausen usually continues e3 (87.5% score)
- …Nf6 (14% of these games) — Clausen usually continues Bb2 (75.0% score)
- 1.f4 — 11% of White games, 25.0% score
- …d6 (50% of these games) — Clausen usually continues Nf3 (50.0% score)
- …Nf6 (50% of these games) — Clausen usually continues Nf3 (0.0% score)
As Black against 1.e4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 8 | 100.0% | 37.5% |
As Black against 1.d4 (5 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 4 | 80.0% | 37.5% |
| f5 | 1 | 20.0% | 50.0% |
Karl Erik Clausen's chess games
All 34 games by Karl Erik Clausen in the Chess.ceo database (Jul 2018 - 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: 11 wins, 10 draws, 13 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A01 | Nimzovich-Larsen attack | 14 | 8/4/2 | 57.1% |
| A03 | Bird's opening | 2 | 0/1/1 | 0.0% |
| B26 | Sicilian: Closed | 1 | 0/0/1 | 0.0% |
| A05 | Van 't Kruijs Opening | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B01 | Scandinavian Defense: Main Line | 8 | 2/2/4 | 25.0% |
| A46 | Indian Defense | 2 | 1/0/1 | 50.0% |
| A28 | English Opening: Reverse Sicilian | 1 | 0/1/0 | 0.0% |
| E51 | Nimzo-Indian: Rubinstein System | 1 | 0/0/1 | 0.0% |
| D00 | Queen's Pawn Game: Chigorin Variation | 1 | 0/0/1 | 0.0% |
| A95 | Dutch Defense | 1 | 0/1/0 | 0.0% |
| A45 | Trompowsky Attack | 1 | 0/1/0 | 0.0% |
| A17 | English Opening | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2019 | Sebastian Racasan | 2,093 | 16th Calvia Amateur Open | A01 |
| Jul 2020 | Lionel Gut | 1,641 | Davos Summer Open | D45 |
| Aug 2020 | Simon Schnell | 1,636 | Wohlen Open 1st | A05 |
| Jul 2022 | Jan Mohr | 1,622 | 2nd Pfaeffikon Acrevis Open | A01 |
| Feb 2020 | Kirill Danchishin | 1,599 | Stein am Rhein Open 11th | A01 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Wohlen Open 1st | 2020 | 5 | 3.5 | 1,883 |
| Davos Summer Open | 2020 | 5 | 3 | 1,827 |
| Stein am Rhein Open 11th | 2020 | 5 | 2.5 | 1,958 |
| 2nd Pfaeffikon Acrevis Open | 2022 | 4 | 2.5 | 2,058 |
| 16th Calvia Amateur Open | 2019 | 4 | 1.5 | 1,996 |
| 5th Locarno Open | 2020 | 3 | 1 | 2,106 |
| Davos Open 19th | 2020 | 2 | 1 | 1,602 |
| 20th Calvia Amateur Open | 2023 | 2 | 0.5 | 1,913 |
Interactive opening tree from all 34 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Karl Erik Clausen's chess games?
34 games by Karl Erik Clausen, from Jul 2018 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 Karl Erik Clausen has played.
What does Karl Erik Clausen play on the first move as White?
Across 18 games with White in our database, Karl Erik Clausen opens with 1.b3 (78% of games), 1.f4 (11% of games), 1.e4 (6% of games). Against 1.e4 as Black, Karl Erik Clausen answers 1...d5 (100% of games). Against 1.d4: 1...Nf6 (80% of games), 1...f5 (20% of games).
What openings does Karl Erik Clausen play as White?
As White, Karl Erik Clausen's most-played openings in our database are: Nimzovich-Larsen attack (14 games, 57.1% win rate); Bird's opening (2 games, 0.0% win rate); Sicilian: Closed (1 games, 0.0% win rate). The full breakdown of 18 games with White is in the table above.
What openings does Karl Erik Clausen play as Black?
As Black, Karl Erik Clausen most often plays: Scandinavian Defense: Main Line (8 games, 25.0% win rate); Indian Defense (2 games, 50.0% win rate); English Opening: Reverse Sicilian (1 games, 0.0% win rate). See the table above for the top ten Black openings across 16 games.
What is Karl Erik Clausen's FIDE rating?
Karl Erik Clausen is currently rated 1,906 in classical chess, 1,938 in rapid and 1,940 in blitz. Peak classical rating: 1,956 (Apr 2026).
How many games has Karl Erik Clausen played?
Our database contains 34 games by Karl Erik Clausen, covering Jul 2018 to Jul 2026. Overall record: 11 wins, 10 draws, 13 losses (32.4% win rate).
How do I prepare against Karl Erik Clausen?
34 games by Karl Erik Clausen 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.