Stapelkamp, Joost
Current rating: 1539
Record: 5-3-1
| Grand Prix Hanover 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 79 | Scheel, Thomas (1500) | Won 2-0 | +181518 |
| 2extended | 32 | Passow, Christopher (1447) | Won 2-0 | +171535 |
| 3extended | 42 | Reinschmidt, Christian (1643) | Won 2-0 | +201555 |
| 4extended | 1 | Vavra, Nikola (1610) | Draw 0-0 | +11556 |
| 5extended | 31 | Steiner, Stefan (1616) | Won 2-0 | +191575 |
| 6extended | 19 | Sisu, Andrei (1579) | Lost 0-2 | -181557 |
| 7extended | 48 | Nachtigall, Jaroslav (1539) | Won 2-1 | +181575 |
| 8extended | 23 | Erinin, Dimitar (1609) | Lost 1-2 | -181557 |
| 9extended | 48 | Esteves, Julio (1536) | Lost 1-2 | -181539 |
| average opponent: 1564record: 5-3-1 | new rating: 1539 | |||