Kooistra, Thomas
Current rating: 1429
Record: 2-6-1
| Grand Prix Antwerp 2002 (TOR limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 208 | Lange, Frederic (1485) | Lost 1-2 | -181464 |
| 2sealed | 174 | Dewez, Johan (1482) | Lost 1-2 | -171447 |
| 3sealed | 263 | Facciani, Enrico (1465) | Lost 1-2 | -181429 |
| 4sealed | 260 | Gagnon, Nicolas (1446) | Draw 1-1 | 01429 |
| average opponent: 1469record: 0-3-1 | new rating: 1429 | |||
| Grand Prix Amsterdam 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 114 | Martinez, Alexis (1560) | Lost 1-2 | -171483 |
| 2sealed | 204 | van Kraanen, Faber (1482) | Won 2-0 | +181501 |
| 3sealed | 163 | Moreau, Francois (1467) | Won 2-0 | +171518 |
| 4sealed | 129 | van Esch, Jeroen (1519) | Lost 1-2 | -181500 |
| 5sealed | 186 | Heim, Andreas (1483) | Lost 0-2 | -181482 |
| average opponent: 1502record: 2-3 | new rating: 1482 | |||