Campbell, Duncan
Current rating: 1509
Record: 17-16-1
| Grand Prix Louisville 2017 (legacy) | starting rating: 1569 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 357 | Jones, Dylan (1504) | Lost 0-2 | -191550 |
| 4legacy | 678 | Courson, David (1526) | Lost 1-2 | -191531 |
| 5legacy | 730 | Valovage, David (1436) | Won 2-0 | +171548 |
| 6legacy | 617 | Heise, Cameron (1555) | Lost 0-2 | -181530 |
| 7legacy | 780 | Albert, Jacob (1403) | Lost 0-2 | -211509 |
| top | average opponent: 1485record: 1-4 | new rating: 1509 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1537 | White, Josh (1500) | Won 2-0 | +171569 |
| 2legacy | 1574 | Mitchell, Ben 2 (1517) | Won 2-1 | +171586 |
| 3legacy | 1530 | Fraser, Corey (1603) | Won 2-1 | +191605 |
| 4legacy | 1475 | Maples, Zechariah (1558) | Won 2-0 | +171622 |
| 5legacy | 1447 | McShane, Brendan (1575) | Won 2-0 | +171639 |
| 6legacy | 1429 | Stoiber, Ryan (1555) | Won 2-0 | +161655 |
| 7legacy | 1409 | Shoemaker, Orin (1648) | Lost 0-2 | -181637 |
| 8legacy | 1439 | Herrera, Marco (1715) | Lost 1-2 | -161621 |
| 9legacy | 1460 | Henry, Jeremy (1650) | Won 2-0 | +181639 |
| 10legacy | 22 | Keller, Christian (1639) | Lost 0-2 | -181621 |
| 11legacy | 206 | Negri, Kazu (1769) | Lost 1-2 | -151606 |
| 12legacy | 217 | Wingler, William (1537) | Won 2-1 | +171623 |
| 13legacy | 179 | Hare, Ryan (1562) | Lost 1-2 | -191604 |
| 14legacy | 177 | Bowman, Jeremy (1608) | Lost 1-2 | -181586 |
| 15legacy | 185 | Polvino, Matthew (1649) | Lost 0-2 | -171569 |
| top | average opponent: 1606record: 8-7 | new rating: 1569 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 47 | Iveson, Sean (1500) | Won 2-0 | +171577 |
| 2modern | 102 | Kaufman, Nathan (1416) | Won 2-1 | +151592 |
| 3modern | 113 | Crampsie, Chris (1514) | Lost 1-2 | -191573 |
| 4modern | 353 | Grigely, Jason (1501) | Draw 1-1 | -21571 |
| 5modern | 241 | Vogt, Tyler (1517) | Lost 0-2 | -191552 |
| top | average opponent: 1490record: 2-2-1 | new rating: 1552 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 178 | Jasinto, Paul (1500) | Won 2-0 | +181518 |
| 2legacy | 28 | Campbell, Bryan (1556) | Lost 1-2 | -171501 |
| 3legacy | 545 | Currie, Matthew (1560) | Lost 0-2 | -171484 |
| 4legacy | 730 | Clinton, Ben R (1602) | Won 2-0 | +201504 |
| 5legacy | 459 | Herbig, Michael (1647) | Won 2-0 | +211525 |
| 6legacy | 225 | Rooney, Garrett (1541) | Won 2-0 | +181543 |
| 7legacy | 374 | Cramer, Zach (1531) | Won 2-1 | +181561 |
| 8legacy | 130 | Fulton, Randall (1456) | Won 2-1 | +161577 |
| 9legacy | 124 | Smith, Erik (1648) | Lost 1-2 | -171560 |
| top | average opponent: 1560record: 6-3 | new rating: 1560 | ||