Roos
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Porz op | ??/??/1986 | 129 |  Germany |
| FRG Hochschul-ch | 11/??/1982 | 97 | Germany |
| Mitropa-Cup 3rd | 10/09/1978 | 964 |  Italy |
| Monte Carlo-B | ??/??/1967 | 0 |  Monaco |
Most Played Openings as White
| ECO | Opening | Games |
| E04 | Catalan, open, 5.Nf3 | 1 games |
| A39 | English, symmetrical, main line with d4 | 1 games |
| B09 | Pirc, Austrian attack | 1 games |
| C69 | Ruy Lopez, exchange variation, 5.O-O | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B51 | Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | 1 games |
| B18 | Caro-Kann, classical variation | 1 games |
| D93 | Gruenfeld with Bf4 e3 | 1 games |
| D79 | Neo-Gruenfeld, 6.O-O, main line | 1 games |
