Roche, Bobby
Current rating: 1446
Record: 4-7
| Grand Prix Washington DC 2014 (JOU limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 445 | Crockett, Rebecca (1464) | Lost 0-2 | -191461 |
| 2sealed | 426 | VanGee, Robert (1447) | Won 2-0 | +181479 |
| 3sealed | 316 | Sharp, Lael (1500) | Won 2-0 | +181497 |
| 4sealed | 358 | Mack, Shaun (1610) | Lost 0-2 | -151482 |
| 5sealed | 361 | Welsch, Charles (1471) | Lost 1-2 | -191463 |
| 6sealed | 411 | Gates, Zane (1482) | Lost 0-2 | -171446 |
| average opponent: 1496record: 2-4 | new rating: 1446 | |||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 298 | Tubergen, Pieter (1500) | Won 2-1 | +181518 |
| 2sealed | 129 | Waxtel, Andrew (1518) | Lost 0-2 | -181500 |
| 3sealed | 227 | Boyer, John (1341) | Won 2-1 | +151515 |
| 4sealed | 253 | Bernett, Evan (1543) | Lost 0-2 | -171498 |
| 5sealed | 292 | Hartwig, Keith (1497) | Lost 0-2 | -181480 |
| average opponent: 1480record: 2-3 | new rating: 1480 | |||