Blumenthal, Jonah
Current rating: 1571
Record: 10-6-1
| Grand Prix Phoenix 2006 (CSP limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 113 | Garcia, David (1556) | Lost 1-2 | -171481 |
| 2sealed | 120 | Kurtz, Joey (1482) | Won 2-0 | +181499 |
| 3sealed | 62 | Carter, Aaron R (1501) | Won 2-0 | +181517 |
| 4sealed | 97 | Depue, Christopher (1518) | Won 2-1 | +181535 |
| 5sealed | 77 | Sherman, Kevin (1520) | Lost 0-2 | -181517 |
| 6sealed | 68 | Rocco, Ryan (1520) | Won 2-1 | +181535 |
| 7sealed | 80 | Eaton, Brian (1535) | Won 2-1 | +181553 |
| 8sealed | 30 | Bailey, Benjamin (1556) | Won 2-1 | +181571 |
| average opponent: 1523record: 6-2 | new rating: 1571 | |||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 135 | Blumenthal, Uriel (1482) | Lost 0-2 | -181482 |
| 2sealed | 192 | Mimica, Dario (1481) | Won 2-1 | +181500 |
| 3sealed | 128 | Baert, Jiri (1554) | Lost 0-1 | -171483 |
| 4sealed | 192 | Hagon, Richard (1440) | Won 2-1 | +171500 |
| 5sealed | 157 | Bahr, Peter Michael (1507) | Won 2-1 | +181518 |
| 6sealed | 107 | Gerber, Karsten (1523) | Draw 1-1 | 01518 |
| 7sealed | 104 | Zeidler, Jan (1516) | Won 2-0 | +181536 |
| 8sealed | 71 | Wusowski, Daniel (1447) | Lost 0-2 | -201516 |
| 9sealed | 77 | Schultz, Carsten (1501) | Lost 1-2 | -181498 |
| average opponent: 1495record: 4-4-1 | new rating: 1498 | |||