Rob Boersma
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Hengelo U20 op | 08/04/2003 | 383 | Netherlands |
| Hengelo op U16 | 08/??/2001 | 29 | Netherlands |
| NED-ch U14 op | 08/07/2000 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| C45 | Scotch game | 4 games |
| B79 | Sicilian, dragon, Yugoslav attack, 12.h4 | 2 games |
| B89 | Sicilian, Sozin, 7.Be3 | 1 games |
| C01 | French, exchange variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C54 | Giuoco Piano | 3 games |
| C30 | King's gambit | 2 games |
| B06 | Robatsch (modern) defence | 1 games |
| C44 | King's pawn game | 1 games |


Netherlands