Jacob Volker
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Tarragona op 4th | 09/??/2003 | 908 | Spain |
Most Played Openings as White
| ECO | Opening | Games |
| D45 | Queen's Gambit Declined semi-Slav, 5.e3 | 1 games |
| A57 | Benko gambit | 1 games |
| A52 | Budapest defence | 1 games |
| B07 | Pirc defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A30 | English, symmetrical variation | 1 games |
| C56 | Two knights defence | 1 games |


Spain