Viggo Klausen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| DEN-ch | ??/??/1941 | 0 |  Denmark |
| Copenhagen KS | ??/??/1940 | 0 | Denmark |
| DEN-ch | ??/??/1937 | 0 | Denmark |
| DEN-ch | 04/??/1935 | 0 | Denmark |
Most Played Openings as White
| ECO | Opening | Games |
| E72 | King's Indian with e4 & g3 | 1 games |
| D02 | Queen's pawn game | 1 games |
| D34 | Queen's Gambit Declined, Tarrasch, Prague variation, 7...Be7 | 1 games |
| E16 | Queen's Indian, Capablanca variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B70 | Sicilian, dragon variation | 2 games |
| A00 | Polish (Sokolsky) opening | 2 games |
| B73 | Sicilian, dragon, classical, 8.O-O | 1 games |
| A84 | Dutch defence | 1 games |
