Shumaker, Jason B
Current rating: 1518
Record: 4-3
| Grand Prix Columbus 2010 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 562 | Clemmer, Garrett (1500) | Won 2-0 | +181518 |
| 2legacy | 546 | Elder, Ryan (1564) | Won 2-0 | +191537 |
| 3legacy | 445 | Beall, David (1518) | Lost 0-2 | -181519 |
| 4legacy | 507 | Mancuso, Justin (1519) | Won 2-0 | +181537 |
| 5legacy | 523 | Kubilis, John (1418) | Lost 0-2 | -211516 |
| 6legacy | 544 | Brewer, Garhett (1578) | Lost 0-2 | -161500 |
| 7legacy | 543 | Kantartzis, Constantine (1505) | Won 2-0 | +181518 |
| average opponent: 1515record: 4-3 | new rating: 1518 | |||