Roush, Jacob
Current rating: 1500
Record: 10-12
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 227 | Gottlieb, Justin (1732) | Won 2-1 | +231476 |
| 4standard | 50 | Anderson, Todd (1971) | Won 2-0 | +271503 |
| 5standard | 19 | Thompson, Gerry (1943) | Won 2-0 | +251528 |
| 6standard | 20 | Cross, Phillip (1572) | Lost 1-2 | -171511 |
| 7standard | 63 | Chandler, Kyle (1689) | Won 2-0 | +211532 |
| 8standard | 24 | Qadir, Aadil (1711) | Lost 0-2 | -151517 |
| 9standard | 54 | Darley, Garrett (1571) | Lost 0-2 | -171500 |
| top | average opponent: 1741record: 4-3 | new rating: 1500 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 254 | Szulczewski, Nick (1518) | Lost 1-2 | -171451 |
| 3sealed | 437 | Robbins, Joshua (1502) | Lost 1-2 | -171434 |
| 4sealed | 388 | Sharp, Kristopher (1464) | Won 2-1 | +181452 |
| 5sealed | 302 | Zajas, James (1497) | Won 2-0 | +191471 |
| 6sealed | 229 | Sondag, Joshua (1484) | Lost 1-2 | -181453 |
| top | average opponent: 1493record: 2-3 | new rating: 1453 | ||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 146 | Crosby, Marshall (1500) | Won 2-1 | +181482 |
| 2standard | 102 | Velasquez, Gonzalo (1500) | Lost 0-2 | -171465 |
| 3standard | 330 | Daley, Joshua (1518) | Lost 1-2 | -171448 |
| 4standard | 491 | Dillon, Chaz (1483) | Won 2-0 | +181466 |
| 5standard | 344 | Nets, Tsuck (1515) | Won 2-0 | +191485 |
| 6standard | 248 | Felix, George (1521) | Lost 0-2 | -171468 |
| top | average opponent: 1506record: 3-3 | new rating: 1468 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 193 | Robichaud, Adam (1500) | Lost 0-2 | -181482 |
| 2sealed | 238 | Duhaime, April A (1482) | Won 2-0 | +181500 |
| 3sealed | 196 | Larson, Benjamin (1481) | Lost 0-2 | -181482 |
| 4sealed | 264 | Snow, Christopher W (1482) | Lost 0-2 | -181464 |
| top | average opponent: 1486record: 1-3 | new rating: 1464 | ||