De Rijk, Jonathan
Current rating: 1493
Record: 2-3
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 473 | Mitsios, Johannes (1635) | Won 2-1 | +201520 |
| 5sealed | 429 | van Ravenzwaaij, Don (1571) | Won 2-0 | +191539 |
| 6sealed | 415 | Snijdewind, Ruben (1683) | Lost 0-2 | -151524 |
| 7sealed | 423 | Pedersen, Kristian (1549) | Lost 0-2 | -181506 |
| 8sealed | 447 | Boudaoud, Hakim (1786) | Lost 0-2 | -131493 |
| average opponent: 1645record: 2-3 | new rating: 1493 | |||