Claus Olsen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Amager-ch | 09/27/1999 | 1194 | Denmark |
| Politiken Cup 21st | 07/04/1999 | 1288 | Denmark |
| Copenhagen op | 06/??/1990 | 1335 | Denmark |
| Copenhagen op | 06/??/1989 | 1406 | Denmark |
Most Played Openings as White
| ECO | Opening | Games |
| B25 | Sicilian, closed | 4 games |
| B13 | Caro-Kann, exchange variation | 2 games |
| B24 | Sicilian, closed | 1 games |
| B03 | Alekhine's defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C42 | Petrov's defence | 2 games |
| E32 | Nimzo-Indian, classical variation | 1 games |
| D05 | Queen's pawn game | 1 games |
| E44 | Nimzo-Indian, Fischer variation, 5.Ne2 | 1 games |
Denmark
FIDE ID:

