Bertelink, Jeroen S
Current rating: 1504
Record: 2-2
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 586 | Sas, Ivar (1500) | Won 2-1 | +181518 |
| 2sealed | 485 | van Houts, Kevin (1552) | Lost 1-2 | -171501 |
| 3sealed | 599 | Pedoux, Sophie (1433) | Won 2-1 | +161517 |
| 4sealed | 569 | Ziesche, Sebastian (1771) | Lost 1-2 | -131504 |
| average opponent: 1564record: 2-2 | new rating: 1504 | |||