Claus Mueller
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| DDR-ch 04th | 08/02/1953 | 0 | |
| Helsinki ol (Men) | 08/10/1952 | 0 | Finland |
| DDR-ch 02nd | 07/01/1951 | 0 |
Most Played Openings as White
| ECO | Opening | Games |
| A53 | Old Indian defence | 3 games |
| E87 | King's Indian, Saemisch, orthodox, 7.d5 | 2 games |
| E33 | Nimzo-Indian, classical, 4...Nc6 | 2 games |
| D45 | Queen's Gambit Declined semi-Slav, 5.e3 | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B55 | Sicilian, Prins variation, Venice attack | 3 games |
| B91 | Sicilian, Najdorf, Zagreb (fianchetto) variation | 3 games |
| B25 | Sicilian, closed | 2 games |
| E14 | Queen's Indian, 4.e3 | 2 games |
Germany
Male
FIDE ID:

Finland