Graham, David
Current rating: 1480
Record: 7-8
| Grand Prix Portland 2013 (modern) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 291 | Gilchrist, Jack (1500) | Lost 1-2 | -181481 |
| 2modern | 271 | Waldhaus, Timothy (1447) | Won 2-0 | +181499 |
| 3modern | 183 | Ellis, Jack (1457) | Lost 0-2 | -191480 |
| 4modern | 346 | True-Silver, Walker (1482) | Won 2-0 | +181498 |
| 5modern | 303 | Haney, Jeremy (1472) | Lost 0-2 | -181480 |
| 6modern | 347 | Bean, Glen (1479) | Lost 0-2 | -181462 |
| 7modern | 297 | McCracken, Christopher (1464) | Won 2-1 | +181480 |
| 8modern | 230 | Ogden, George (1484) | Won 2-0 | +181498 |
| 9modern | 181 | D'Asaro, Joseph (1520) | Lost 0-2 | -181480 |
| average opponent: 1478record: 4-5 | new rating: 1480 | |||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 368 | Jennings, Kevin (1465) | Lost 0-2 | -191481 |
| 2sealed | 699 | Poirier, Billy (1482) | Won 2-0 | +181499 |
| 3sealed | 335 | van Sickle, Joseph (1351) | Won 2-0 | +161515 |
| 4sealed | 463 | Kubilis, John (1664) | Lost 0-2 | -161499 |
| 5sealed | 442 | muller, nick (1501) | Won 2-1 | +181517 |
| 6sealed | 501 | Dave B., (1513) | Lost 0-2 | -181499 |
| average opponent: 1496record: 3-3 | new rating: 1499 | |||