Rogers, Don
Current rating: 1488
Record: 4-5-1
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 214 | Muhlbach, Kevin (1500) | Won 2-1 | +181503 |
| 2extended | 105 | Hernandez, Andrew (1518) | Won 2-1 | +191522 |
| 3extended | 18 | DeMars, Brian (1564) | Draw 1-1 | 01522 |
| 4extended | 121 | Garcia Rosas, Jose Daniel (1541) | Lost 0-2 | -171505 |
| 5extended | 190 | Fiorillo, John (1589) | Lost 1-2 | -171488 |
| average opponent: 1542record: 2-2-1 | new rating: 1488 | |||
| Grand Prix San Francisco 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 6 | Payment, Marc r (1500) | Won 2-0 | +181518 |
| 2block | 123 | Fox, Chris (1518) | Won 2-1 | +181536 |
| 3block | 78 | Klemic, Michael (1538) | Lost 1-2 | -181518 |
| 4block | 183 | Gin, Stanley (1518) | Lost 1-2 | -181500 |
| 5block | 193 | Balla, John (1664) | Lost 1-2 | -151485 |
| average opponent: 1548record: 2-3 | new rating: 1485 | |||