Marbus, Piet
Current rating: 1494
Record: 2-3
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 122 | Vogt, Adrian (1609) | Won 2-0 | +201520 |
| 2standard | 17 | Zani, Gianluca (1645) | Lost 1-2 | -161504 |
| 3standard | 133 | Blanchard, Xavier (1533) | Won 2-0 | +191523 |
| 4standard | 234 | Steiner, Stefan (1634) | Lost 1-2 | -161507 |
| 5standard | 277 | Kraft, Lukas (1780) | Lost 0-2 | -131494 |
| average opponent: 1640record: 2-3 | new rating: 1494 | |||