Guthrie, Graham
Current rating: 1462
Record: 6-8
| Grand Prix Nashville 2012 (DKA limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 248 | Thornburg, Adam J (1462) | Won 2-0 | +171498 |
| 2sealed | 171 | Smith, Joe (1500) | Lost 1-2 | -171481 |
| 3sealed | 214 | Sperry, Richard (1412) | Won 2-0 | +161497 |
| 4sealed | 212 | Skinner, Steven (1483) | Lost 0-2 | -181479 |
| 5sealed | 327 | Cooney, Aaron (1549) | Lost 1-2 | -171462 |
| 6sealed | 351 | Bryant, Travis (1420) | Won 2-0 | +181480 |
| 7sealed | 281 | Hartley, Gregory (1498) | Lost 1-2 | -181462 |
| average opponent: 1475record: 3-4 | new rating: 1462 | |||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 609 | White, Alex (1500) | Won 2-0 | +181518 |
| 2sealed | 474 | Jones, Ricky L (1500) | Lost 1-2 | -181500 |
| 3sealed | 576 | Compton, Ryan J (1500) | Won 2-0 | +181518 |
| 4sealed | 536 | Wolfe, John C (1467) | Lost 1-2 | -191499 |
| 5sealed | 610 | Brown, Eric (1500) | Won 2-0 | +181517 |
| 6sealed | 587 | Lynch, Ty (1517) | Lost 1-2 | -181499 |
| 7sealed | 559 | Aragon, Fernando G (1502) | Lost 0-2 | -181481 |
| average opponent: 1498record: 3-4 | new rating: 1481 | |||