Dittert, Jon R
Current rating: 1523
Record: 8-8-1
| Grand Prix Indianapolis 2008 (SHM limited) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 190 | Aracich, Jim (1541) | Won 2-0 | +191509 |
| 3sealed | 37 | McMahon, James (1484) | Lost 1-2 | -181491 |
| 4sealed | 336 | Queen, Josh (1520) | Won 2-0 | +181509 |
| 5sealed | 158 | Kern, Derek m (1483) | Won 2-0 | +181527 |
| 6sealed | 83 | Arends, Randolph (1556) | Won 2-0 | +181545 |
| 7sealed | 56 | Martell, Tom (1778) | Lost 0-2 | -141531 |
| 8sealed | 59 | Boggemes, Kyle (1598) | Won 2-1 | +201551 |
| 9sealed | 95 | Studley, James (1576) | Won 1-0 | +181569 |
| 10draft | 11 | Hu, Haibing (1755) | Won 2-1 | +211590 |
| 11draft | 47 | Fowler, Zach (1629) | Lost 1-2 | -171573 |
| 12draft | 36 | Raney, Tom (1594) | Draw 1-1 | +11574 |
| 13draft | 43 | Raney, Tom (1594) | Lost 1-2 | -181556 |
| 14draft | 36 | Reiff, William (1565) | Lost 1-2 | -181538 |
| 15draft | 33 | Shapiro, Jeremy (1724) | Lost 0-2 | -151523 |
| average opponent: 1600record: 7-6-1 | new rating: 1523 | |||
| Grand Prix New Jersey 2006 (TSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 28 | Morawski, Jonathan (1695) | Lost 0-2 | -141486 |
| 3sealed | 271 | Thorn, Adam (1501) | Won 2-0 | +181504 |
| 4sealed | 217 | Stavola, Kate (1752) | Lost 0-2 | -141490 |
| average opponent: 1649record: 1-2 | new rating: 1490 | |||