Sprague, Bobby
Current rating: 1510
Record: 13-14-2
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 201 | Smith, Sean (1745) | Lost 0-2 | -131486 |
| 4modern | 570 | Rodriguez, Stephen (1452) | Won 2-0 | +171503 |
| 5modern | 271 | Lew, Michael (1634) | Won 2-1 | +201523 |
| 6modern | 223 | Phillips, Joshua 6281 (1523) | Draw 1-1 | 01523 |
| 7modern | 163 | Hart, Brian (1671) | Lost 1-2 | -151508 |
| 8modern | 296 | Carrick, Emily (1611) | Lost 0-2 | -161492 |
| 9modern | 411 | Alcantara, Charles (1471) | Won 2-1 | +181510 |
| top | average opponent: 1586record: 3-3-1 | new rating: 1510 | ||
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 74 | Velasquez, Gonzalo (1570) | Lost 0-2 | -161489 |
| 4standard | 387 | Bruno, David (1721) | Won 2-1 | +221511 |
| 5standard | 189 | Goff, John (1502) | Won 2-1 | +181529 |
| 6standard | 205 | Hoffeld, Joshua (1710) | Lost 1-2 | -151514 |
| 7standard | 240 | Bundy, Dillon (1540) | Won 2-0 | +181532 |
| 8standard | 147 | Lee, Michelle (1706) | Lost 1-2 | -151517 |
| 9standard | 228 | Place, Tyrus (1512) | Lost 0-2 | -181499 |
| top | average opponent: 1609record: 3-4 | new rating: 1499 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 122 | Dubach, Jon (1447) | Won 2-1 | +181465 |
| 2standard | 68 | Shih, Allen (1517) | Won 2-0 | +191484 |
| 3standard | 164 | Branham, Raymond (1481) | Lost 0-1 | -181466 |
| 4standard | 298 | Niazi, Xander (1373) | Lost 1-2 | -201446 |
| 5standard | 414 | Graetz, Michael (1501) | Won 2-0 | +191465 |
| 6standard | 277 | Downing, Corey (1464) | Won 2-1 | +181483 |
| 7standard | 203 | Wang, Liangfei (1544) | Lost 1-2 | -171466 |
| 8standard | 234 | Jones, Brock (1580) | Won 2-0 | +201486 |
| 9standard | 183 | Burton, John (1545) | Won 2-1 | +191505 |
| top | average opponent: 1495record: 6-3 | new rating: 1505 | ||
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 238 | Davison, Daniel (1500) | Draw 1-1 | 01482 |
| 2standard | 295 | Greenwood, William (1500) | Lost 0-2 | -171465 |
| 3standard | 481 | Fortanely, Michael (1482) | Lost 1-2 | -181447 |
| top | average opponent: 1494record: 0-2-1 | new rating: 1447 | ||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 147 | Gregory, Richard (1498) | Won 2-0 | +181518 |
| 2sealed | 184 | Dennehy, Kyle (1518) | Lost 0-2 | -181500 |
| 3sealed | 398 | Angelo, Michael (1499) | Lost 0-2 | -181482 |
| top | average opponent: 1505record: 1-2 | new rating: 1482 | ||