B. Koks
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| USA-op | 07/??/1991 | 493 | United States |
| WchT U26 | ??/??/1974 | 21 | United Kingdom |
Most Played Openings as White
| ECO | Opening | Games |
| B08 | Pirc, classical (two knights) system | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A42 | Modern defence, Averbakh system | 1 games |


United States
United Kingdom