Grijs, Jolmer D
Current rating: 1397
Record: 10-17
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 512 | Ulvik, Geir (1465) | Lost 0-2 | -171415 |
| 2standard | 451 | Van Laken, Johannes (1482) | Won 2-0 | +191434 |
| 3standard | 517 | Borgford, Stephen (1461) | Lost 0-2 | -181416 |
| 4standard | 659 | Gramespacher, Thomas (1349) | Lost 1-2 | -191397 |
| top | average opponent: 1439record: 1-3 | new rating: 1397 | ||
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 71 | Prystav, Fabian (1500) | Lost 1-2 | -181465 |
| 2standard | 253 | Schilling, Lars (1481) | Won 2-0 | +181483 |
| 3standard | 157 | Anders, Torsten (1600) | Lost 1-2 | -161467 |
| 4standard | 356 | Chetta, Chriistian (1482) | Lost 1-2 | -171450 |
| 5standard | 336 | Kruger, Kristoffer (1464) | Won 2-0 | +181468 |
| 6standard | 262 | Marczak, Ralph (1483) | Lost 0-2 | -181450 |
| 7standard | 286 | Decken, Tim (1465) | Won 2-0 | +181468 |
| 8standard | 215 | Larsen, Kasper (1483) | Lost 1-2 | -171451 |
| 9standard | 198 | Vinkelman, Andras (1416) | Lost 1-2 | -191432 |
| top | average opponent: 1486record: 3-6 | new rating: 1432 | ||
| Grand Prix Lille 2012 (DKA standard) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 177 | Patek, Robert (1500) | Lost 0-2 | -181449 |
| 3standard | 210 | Vergnaux, Marc (1482) | Won 2-0 | +191468 |
| 4standard | 244 | Korevaar, Martijn (1657) | Won 2-0 | +211489 |
| 5standard | 156 | Coeckelbergh, Gert (1908) | Lost 0-2 | -101479 |
| 6standard | 221 | Corwood, James (1479) | Lost 1-2 | -181461 |
| 7standard | 250 | Tang, Kiri (1609) | Won 2-0 | +201481 |
| 8standard | 157 | Vonk, Gydo (1522) | Won 2-0 | +191500 |
| 9standard | 124 | Giner, Leo (1538) | Lost 0-2 | -171483 |
| top | average opponent: 1587record: 4-4 | new rating: 1483 | ||
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 774 | Engelhardt, Markus (1500) | Lost 1-2 | -181482 |
| 2sealed | 761 | Ferlisi, Adrien (1471) | Won 2-1 | +181500 |
| 3sealed | 703 | Jonassen, Kristoffer (1652) | Lost 0-2 | -151485 |
| 4sealed | 850 | Munk, Andreas (1483) | Won 2-0 | +181503 |
| 5sealed | 701 | Brade, Raphael (1513) | Lost 0-2 | -181485 |
| 6sealed | 756 | Lesch, Andreas (1485) | Lost 0-2 | -181467 |
| top | average opponent: 1517record: 2-4 | new rating: 1467 | ||