Sander, Jeffery M
Current rating: 1496
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 126 | Reed, Randy (1452) | Lost 1-2 | -191478 |
| 2standard | 325 | Hall, Tommy (1501) | Lost 1-2 | -181460 |
| 3standard | 433 | Irvin, Myles Z (1465) | Won 2-0 | +181478 |
| 4standard | 484 | Richardson, Scott (1484) | Won 2-1 | +181496 |
| 5standard | 298 | Veloz, Anthony (1457) | Won 2-0 | +181514 |
| 6standard | 287 | Nunez, Victor (1512) | Lost 1-2 | -181496 |
| top | average opponent: 1479record: 3-3 | new rating: 1496 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 535 | Munoz, Alex (1500) | Won 2-1 | +191485 |
| 2extended | 427 | Harvie, Donovan (1486) | Lost 1-2 | -181467 |
| 3extended | 574 | Oravet, Daniel M (1499) | Won 2-0 | +181485 |
| 4extended | 583 | Khanin, Alex (1675) | Lost 1-2 | -141471 |
| 5extended | 600 | Izsak, Yoel (1666) | Won 2-1 | +211492 |
| 6extended | 520 | Chu, Tony (1656) | Won 2-0 | +211513 |
| 7extended | 506 | Gregath, Brent (1595) | Lost 1-2 | -161497 |
| top | average opponent: 1582record: 4-3 | new rating: 1497 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 110 | Hall, Travis S (1560) | Lost 0-2 | -171483 |
| 3sealed | 189 | Roig, Ben (1482) | Lost 1-2 | -181465 |
| 4sealed | 291 | Powell, Ethan (1482) | Won 2-1 | +181483 |
| 5sealed | 227 | Hinsz, Mark (1513) | Lost 1-2 | -171466 |
| top | average opponent: 1509record: 1-3 | new rating: 1466 | ||