U. Viefhues
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Moscow7 op | 09/??/1991 | 1472 |
Most Played Openings as White
| ECO | Opening | Games |
| D50 | Queen's Gambit Declined, 4.Bg5 | 1 games |
| D40 | Queen's Gambit Declined, Semi-Tarrasch defence | 1 games |
| E45 | Nimzo-Indian, 4.e3, Bronstein (Byrne) variation | 1 games |
| D66 | Queen's Gambit Declined, Orthodox defence, Bd3 line | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B43 | Sicilian, Kan, 5.Nc3 | 1 games |
| E06 | Catalan, closed, 5.Nf3 | 1 games |
| D46 | Queen's Gambit Declined semi-Slav, 6.Bd3 | 1 games |
| D03 | Torre attack (Tartakower variation) | 1 games |
