Mittag, Ronnie
Current rating: 1546
| Grand Prix Antwerp 2002 (TOR limited) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 118 | Hendriks, Jur (1500) | Won 2-0 | +171549 |
| 2sealed | 4 | Petridis, Dimitrios (1341) | Draw 1-1 | -31546 |
| 3sealed | 93 | Caffiaux, Benoit (1521) | Won 2-1 | +171563 |
| 4sealed | 64 | Holland, Jan (1628) | Lost 1-2 | -171546 |
| top | average opponent: 1497record: 2-1-1 | new rating: 1546 | ||
| Grand Prix Amsterdam 2001 (INV limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 191 | Gameiro, Kevin-Romain (1564) | Won 2-0 | +181553 |
| 2sealed | 158 | Schrama, Patrick (1518) | Won 2-1 | +181571 |
| 3sealed | 87 | van Abbe, Pepijn (1487) | Lost 1-2 | -201551 |
| 4sealed | 164 | de Kler, Tijs (1484) | Lost 1-2 | -191532 |
| top | average opponent: 1513record: 2-2 | new rating: 1532 | ||
| Grand Prix Tours 1999 (MMQ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 170 | Bemer, Benoit (1500) | Won 2-0 | +181518 |
| 2sealed | 198 | Joseph, Christophe (1518) | Won 1-0 | +181536 |
| 3sealed | 74 | Hajek, Jorn (1512) | Draw 1-1 | 01536 |
| 4sealed | 30 | Korzetz, Rouven (1536) | Won 2-1 | +181554 |
| 5sealed | 91 | Berard, Xavier (1554) | Draw 1-1 | 01554 |
| 6sealed | 192 | Purcha, Jean-Pierre (1554) | Lost 0-1 | -181536 |
| 7sealed | 65 | Pinson, Frederic (1517) | Won 2-0 | +171553 |
| 8sealed | 19 | Masson, Mathieu (1535) | Lost 0-0 | -181535 |
| top | average opponent: 1528record: 4-2-2 | new rating: 1535 | ||