Campbell, Allen
Current rating: 1390
Record: 6-13-1
| Grand Prix Charleston 2012 (RTR standard) | starting rating: 1383 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 25 | Odonnell, Kirk (1500) | Lost 0-0 | -161367 |
| 2standard | 235 | Warwick, William R (1482) | Lost 0-2 | -161351 |
| 3standard | 269 | Fletcher, John (1464) | Won 2-0 | +201371 |
| 4standard | 285 | Swaney, Addison (1430) | Won 2-0 | +191390 |
| top | average opponent: 1469record: 2-2 | new rating: 1390 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 563 | Bednarcik, Ted (1500) | Lost 1-2 | -171415 |
| 2sealed | 605 | Bordeau, Corey Allen D (1482) | Draw 1-1 | +11416 |
| 3sealed | 676 | Barnes, Stephen (1432) | Lost 1-2 | -181398 |
| 4sealed | 800 | Kanapaska, CJ (1465) | Lost 0-2 | -161382 |
| 5sealed | 737 | St. Laurent, Mackenzie (1446) | Won 2-0 | +191401 |
| 6sealed | 612 | Benton, Danny (1398) | Lost 1-2 | -181383 |
| top | average opponent: 1454record: 1-4-1 | new rating: 1383 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 79 | Gamez, Alexander (1447) | Won 2-1 | +181482 |
| 2sealed | 140 | Cote, Lee (1567) | Lost 0-2 | -171465 |
| 3sealed | 248 | Christensen, Andrew (1499) | Lost 0-2 | -171448 |
| 4sealed | 285 | Myers, Brad (1482) | Lost 0-2 | -171431 |
| 5sealed | 277 | Phillips, John (1462) | Won 2-0 | +181449 |
| 6sealed | 219 | Purvis, Michael J (1482) | Lost 0-2 | -171432 |
| top | average opponent: 1490record: 2-4 | new rating: 1432 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 928 | Pike, Chris (1500) | Won 2-0 | +181518 |
| 2standard | 611 | Somvang, Somphasong (1483) | Lost 1-2 | -191499 |
| 3standard | 909 | Morley, Jim (1541) | Lost 0-2 | -171482 |
| 4standard | 989 | Terry, Allen (1480) | Lost 1-2 | -181464 |
| top | average opponent: 1501record: 1-3 | new rating: 1464 | ||