Van Der Bij, Mark
Current rating: 1465
Record: 1-3
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 140 | Demol, Hans (1536) | Won 2-1 | +191519 |
| 2sealed | 131 | Rosada, Adrian (1564) | Lost 1-2 | -181501 |
| 3sealed | 209 | Caputo, Antonio (1519) | Lost 0-2 | -171484 |
| 4sealed | 209 | Pepi, Nicolas (1434) | Lost 0-2 | -191465 |
| average opponent: 1513record: 1-3 | new rating: 1465 | |||