Grunder, Tim
Current rating: 1502
Record: 3-3-1
| Grand Prix Antwerp 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 439 | Stanisci, Fabio (1527) | Draw 0-0 | 01500 |
| 2modern | 372 | Stappershoef, Gerard (1486) | Won 2-1 | +181518 |
| 3modern | 343 | Schauer, Andreas (1525) | Lost 0-2 | -181500 |
| 4modern | 544 | Stetteren, Andreas (1500) | Won 2-0 | +181518 |
| 5modern | 368 | Roodenburg, Robbin (1424) | Won 2-0 | +171535 |
| 6modern | 240 | Carabias, Alexandre (1703) | Lost 0-2 | -151520 |
| 7modern | 364 | Rouw, Alex (1557) | Lost 0-2 | -181502 |
| average opponent: 1532record: 3-3-1 | new rating: 1502 | |||