Johann Sommerville
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Islington op | 12/15/1972 | 1796 | United Kingdom |
| BCF-ch | 08/??/1971 | 798 | United Kingdom |
Most Played Openings as White
| ECO | Opening | Games |
| C02 | French, advance variation | 2 games |
| B31 | Sicilian, Nyezhmetdinov-Rossolimo attack (with ...g6, without ...d6) | 1 games |
| B08 | Pirc, classical (two knights) system | 1 games |
| B53 | Sicilian, Chekhover variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A83 | Dutch, Staunton gambit, Staunton's line | 1 games |
| B08 | Pirc, classical (two knights) system | 1 games |
| A10 | English opening | 1 games |
| C51 | Evans gambit declined | 1 games |


United Kingdom