van der Werff, Xion
Current rating: 1550
Record: 10-7
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 313 | van Lamoen, Tom (1467) | Won 2-1 | +171552 |
| 2extended | 45 | De La Fosse, Sebastien (1514) | Lost 0-2 | -191533 |
| 3extended | 285 | Zejnilagic, Nenad (1482) | Won 2-0 | +171550 |
| 4extended | 280 | Pot, Andre (1518) | Won 2-1 | +181568 |
| 5extended | 184 | van der Vaart, Henk (1520) | Won 2-0 | +171585 |
| 6extended | 55 | Canali, Pierre (1813) | Lost 1-2 | -141571 |
| 7extended | 104 | Rifisch, Rene (1539) | Won 2-0 | +171588 |
| 8extended | 103 | Richter, Niels (1577) | Lost 0-2 | -181570 |
| 9extended | 118 | Hopkins, Jon (1455) | Lost 0-2 | -201550 |
| average opponent: 1543record: 5-4 | new rating: 1550 | |||
| Grand Prix Brussels 2004 (DST standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 56 | Munoz Cano, Eduardo (1484) | Won 2-0 | +181518 |
| 2standard | 130 | Baker, Keef (1451) | Won 2-1 | +161534 |
| 3standard | 103 | Bonhomme, Silvere (1504) | Won 2-0 | +181552 |
| 4standard | 60 | Larsen, Christoffer (1452) | Won 2-1 | +161568 |
| 5standard | 7 | Mitsios, Johannes (1613) | Lost 0-2 | -171551 |
| 6standard | 65 | Magera, Markus (1673) | Won 2-0 | +201571 |
| 7standard | 23 | Willems, Sjoerd (1562) | Lost 0-2 | -181553 |
| 8standard | 51 | Cavadini, Nicolas (1560) | Lost 1-2 | -181535 |
| average opponent: 1537record: 5-3 | new rating: 1535 | |||