C Kolling, Rik
Current rating: 1450
| Grand Prix Strasbourg 2014 (KTK limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 127 | Sheygal, Evgeny (1500) | Lost 0-2 | -181450 |
| top | record: 0-1 | new rating: 1450 | ||
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 63 | Musolino, Letterio (1544) | Lost 0-2 | -171467 |
| 2legacy | 243 | Bender, Bagus (1471) | Draw 1-1 | 01467 |
| 3legacy | 317 | van Doesburg, Jos (1488) | Draw 1-1 | 01467 |
| 4legacy | 416 | Schaum, Stuart (1496) | Draw 1-1 | +11468 |
| 5legacy | 387 | Lucas, Mark (1466) | Draw 1-1 | 01468 |
| 6legacy | 354 | Bingenheimer, Beate (1465) | Draw 1-1 | 01468 |
| top | average opponent: 1488record: 0-1-5 | new rating: 1468 | ||
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 228 | Schwarz, Wolff (1482) | Lost 0-2 | -181482 |
| 2sealed | 348 | Schepker, Henning F (1448) | Won 2-1 | +171499 |
| 3sealed | 305 | Kalveram, Stefan (1503) | Lost 0-2 | -181481 |
| 4sealed | 323 | Brunner, Christopher (1484) | Won 2-1 | +181499 |
| 5sealed | 203 | Wohrle, Sven (1629) | Lost 0-2 | -151484 |
| top | average opponent: 1509record: 2-3 | new rating: 1484 | ||