Van de Blaak, Rogier
Current rating: 1416
Record: 2-7
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2340 | Friemann, Peter (1482) | Lost 0-2 | -171410 |
| 2sealed | 2396 | Tiberi, Michelangelo (1482) | Lost 0-2 | -161394 |
| 3sealed | 2460 | Hoogkamer, Daniel (1464) | Won 2-1 | +191413 |
| 4sealed | 2357 | Rosenberger, Matthias (1482) | Won 2-1 | +191432 |
| 5sealed | 2257 | Hodgson, Paul (1561) | Lost 1-2 | -161416 |
| average opponent: 1494record: 2-3 | new rating: 1416 | |||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 87 | Schmitz, Daniel (1449) | Lost 0-2 | -191481 |
| 2standard | 515 | Ang, Arjan (1489) | Lost 0-2 | -181463 |
| 3standard | 703 | Dunn, Dennis (1464) | Lost 0-2 | -181445 |
| 4standard | 726 | Capesius, Willi (1446) | Lost 1-2 | -181427 |
| average opponent: 1462record: 0-4 | new rating: 1427 | |||