R. Corwin
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| US op | ??/??/1977 | 178 |  United States |
Most Played Openings as White
| ECO | Opening | Games |
| B51 | Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
