Prepare against Claus B. Olsen
DNK · World #33,747 classical · FIDE ID 1403575
Our database contains 50 games by Claus B. Olsen, covering Apr 2003 to Jul 2026. Below you'll find Claus B. Olsen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Claus B. Olsen 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 | 1,965 | 2,150 | Oct 2013 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 50 | 15 | 12 | 23 | 30.0% |
| As White | 26 | 10 | 7 | 9 | 38.5% |
| As Black | 24 | 5 | 5 | 14 | 20.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Claus B. Olsen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Claus B. Olsen's side.
First moves as White (26 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 20 | 76.9% | 50.0% |
| Nf3 | 5 | 19.2% | 50.0% |
| b3 | 1 | 3.8% | 100.0% |
Main lines as White
- 1.e4 — 77% of White games, 50.0% score
- …c5 (45% of these games) — Olsen usually continues Nc3 (64.3% score)
- …c6 (20% of these games) — Olsen usually continues d4 (25.0% score)
- …e5 (10% of these games) — Olsen usually continues Nc3 (0.0% score)
- 1.Nf3 — 19% of White games, 50.0% score
- …Nf6 (60% of these games) — Olsen usually continues b3 (16.7% score)
- …c5 (20% of these games) — Olsen usually continues b3 (100.0% score)
- …d6 (20% of these games) — Olsen usually continues b3 (100.0% score)
As Black against 1.e4 (9 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 9 | 100.0% | 38.9% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 6 | 75.0% | 41.7% |
| f5 | 1 | 12.5% | 0.0% |
| e6 | 1 | 12.5% | 0.0% |
Claus B. Olsen's chess games
All 50 games by Claus B. Olsen in the Chess.ceo database (Apr 2003 - 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: 15 wins, 12 draws, 23 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B25 | Sicilian: Closed | 7 | 4/1/2 | 57.1% |
| A04 | Réti Opening | 4 | 2/1/1 | 50.0% |
| B15 | Caro-Kann: Main Line | 2 | 0/1/1 | 0.0% |
| B13 | Caro-Kann: Exchange Variation | 2 | 0/1/1 | 0.0% |
| B20 | Sicilian | 2 | 0/0/2 | 0.0% |
| B03 | Alekhine Defense | 1 | 1/0/0 | 100.0% |
| A01 | Nimzovich-Larsen attack | 1 | 1/0/0 | 100.0% |
| B00 | Nimzowitsch Defense | 1 | 1/0/0 | 100.0% |
| B07 | Pirc Defense | 1 | 1/0/0 | 100.0% |
| A12 | Nimzo-Larsen Attack | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C42 | Petrov's Defense | 3 | 1/1/1 | 33.3% |
| A10 | English Opening: Dutch Defense | 3 | 0/0/3 | 0.0% |
| A04 | Dutch Defense | 3 | 1/0/2 | 33.3% |
| E44 | Nimzo-Indian: Rubinstein System | 2 | 0/1/1 | 0.0% |
| C61 | Ruy Lopez | 2 | 0/1/1 | 0.0% |
| A51 | Budapest Defense | 2 | 1/0/1 | 50.0% |
| E32 | Nimzo-Indian: Classical Variation | 1 | 0/0/1 | 0.0% |
| C41 | Philidor | 1 | 0/1/0 | 0.0% |
| C44 | Scotch Game | 1 | 0/0/1 | 0.0% |
| C27 | Vienna Game | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 1999 | Thomas Johansson | 2,218 | 21st Politiken Cup | B03 |
| Jun 1990 | Henning Brogger Jensen | 2,084 | 12th Politiken Cup | B23 |
| Jun 1989 | Brian Jorgen Jorgensen | 2,005 | 11th Politiken Cup | A04 |
| Aug 2002 | Michael Tandrup | 1,874 | Vanlose Summer Open | A52 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 11th Politiken Cup | 1989 | 10 | 4 | 2,206 |
| 12th Politiken Cup | 1990 | 10 | 4.5 | 2,199 |
| 21st Politiken Cup | 1999 | 10 | 5.5 | 2,349 |
| ch-Amager | 1999 | 8 | 3.5 | 2,149 |
| Vanlose Summer Open | 2002 | 6 | 2.5 | 1,939 |
| Helsingor Hojstrupgaard Open | 2021 | 5 | 0.5 | 1,827 |
| chT-DEN 1920 Gr1 | 2020 | 1 | 0.5 | 2,114 |
Interactive opening tree from all 50 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Claus B. Olsen's chess games?
50 games by Claus B. Olsen, from Apr 2003 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 Claus B. Olsen has played.
What does Claus B. Olsen play on the first move as White?
Across 26 games with White in our database, Claus B. Olsen opens with 1.e4 (77% of games), 1.Nf3 (19% of games), 1.b3 (4% of games). Against 1.e4 as Black, Claus B. Olsen answers 1...e5 (100% of games). Against 1.d4: 1...Nf6 (75% of games), 1...f5 (13% of games), 1...e6 (13% of games).
What openings does Claus B. Olsen play as White?
As White, Claus B. Olsen's most-played openings in our database are: Sicilian: Closed (7 games, 57.1% win rate); Réti Opening (4 games, 50.0% win rate); Caro-Kann: Main Line (2 games, 0.0% win rate). The full breakdown of 26 games with White is in the table above.
What openings does Claus B. Olsen play as Black?
As Black, Claus B. Olsen most often plays: Petrov's Defense (3 games, 33.3% win rate); English Opening: Dutch Defense (3 games, 0.0% win rate); Dutch Defense (3 games, 33.3% win rate). See the table above for the top ten Black openings across 24 games.
What is Claus B. Olsen's FIDE rating?
Claus B. Olsen is currently rated 1,965 in classical chess. Peak classical rating: 2,150 (Oct 2013).
How many games has Claus B. Olsen played?
Our database contains 50 games by Claus B. Olsen, covering Apr 2003 to Jul 2026. Overall record: 15 wins, 12 draws, 23 losses (30.0% win rate).
How do I prepare against Claus B. Olsen?
50 games by Claus B. Olsen 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.