Roger1 Patterson
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Langley Labour Day op | 09/01/2007 | 440 |  Canada |
| Keres mem 32nd | 05/18/2007 | 1244 | Canada |
| British Columbia-ch | 04/06/2007 | 1912 | Canada |
| Canadian zt | 08/18/2006 | 1929 | Canada |
Most Played Openings as White
| ECO | Opening | Games |
| B93 | Sicilian, Najdorf, 6.f4 | 4 games |
| B77 | Sicilian, dragon, Yugoslav attack, 9.Bc4 | 3 games |
| B82 | Sicilian, Scheveningen, 6.f4 | 3 games |
| B09 | Pirc, Austrian attack | 3 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B85 | Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6 | 4 games |
| B80 | Sicilian, Scheveningen variation | 3 games |
| E32 | Nimzo-Indian, classical variation | 3 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 2 games |
