Doak, Sean
Current rating: 1412
Record: 4-9-3
| Grand Prix Pittsburgh 2018 (DOM standard) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 8 | Hlafcsak, Pat (1500) | Draw 1-1 | +11427 |
| 2standard | 192 | Belli, Adam (1382) | Draw 1-1 | -11426 |
| 3standard | 387 | Coleman, Jerome (1500) | Lost 0-1 | -171409 |
| 4standard | 422 | Mills-Mrozek, Ashtyn (1465) | Draw 1-1 | +11410 |
| 5standard | 390 | Sansonetti, Megan (1465) | Won 2-0 | +191429 |
| 6standard | 320 | Lehman, Preston (1482) | Lost 0-1 | -171412 |
| top | average opponent: 1466record: 1-2-3 | new rating: 1412 | ||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 247 | Lucas, Christopher (1398) | Won 2-1 | +171480 |
| 2standard | 256 | Polyakov, Alexander (1738) | Lost 0-2 | -131467 |
| 3standard | 421 | Stevens, Sean (1351) | Lost 0-2 | -201447 |
| 4standard | 710 | Bowker, Keith (1374) | Lost 1-2 | -201427 |
| 5standard | 648 | Heinricy, Landan (1331) | Lost 1-2 | -191408 |
| 6standard | 660 | Green, Nate (1412) | Won 2-0 | +181426 |
| 7standard | 575 | Butzin, David (1379) | Won 2-0 | +171443 |
| 8standard | 457 | Olmstead, Kyle (1481) | Lost 1-2 | -171426 |
| top | average opponent: 1433record: 3-5 | new rating: 1426 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 343 | Lorenz, Jimmie (1446) | Lost 0-2 | -191463 |
| top | record: 0-1 | new rating: 1463 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 255 | Burks, Ian (1500) | Lost 0-2 | -181482 |
| top | record: 0-1 | new rating: 1482 | ||