Jacob Rubens
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Hengelo U14 op | 08/??/2005 | 1394 | Netherlands |
| Hengelo U12 op | 08/??/2004 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| D02 | Queen's pawn game | 3 games |
| A80 | Dutch | 3 games |
| D12 | Queen's Gambit Declined Slav, 4.e3 Bf5 | 1 games |
| A00 | Polish (Sokolsky) opening | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A00 | Polish (Sokolsky) opening | 3 games |
| B00 | King's pawn opening | 2 games |
| C62 | Ruy Lopez, old Steinitz defence | 1 games |
| C45 | Scotch game | 1 games |


Netherlands