Campbell, Kevin
Current rating: 1425
Record: 9-15-1
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 574 | Boyer, Blake (1500) | Won 2-1 | +191478 |
| 2standard | 85 | Childress, Nathaniel (1466) | Lost 0-2 | -181460 |
| 3standard | 687 | Contreras, Irving (1484) | Lost 0-2 | -181442 |
| 4standard | 684 | Del Pilar, Daniel (1482) | Lost 0-2 | -171425 |
| top | average opponent: 1483record: 1-3 | new rating: 1425 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1075 | Friedenberg, Dylan (1500) | Won 2-0 | +191436 |
| 2sealed | 922 | Guzman, Andres (1500) | Won 2-0 | +191455 |
| 3sealed | 870 | Tudor, George (1581) | Won 2-0 | +211476 |
| 4sealed | 788 | Bowman, Jeremy (1611) | Lost 0-2 | -161460 |
| 5sealed | 762 | Howley, Luke (1534) | Won 2-1 | +191479 |
| 6sealed | 756 | William L., (1518) | Lost 1-2 | -171462 |
| 7sealed | 901 | Hord, Chad (1627) | Won 2-1 | +211483 |
| 8sealed | 470 | Lynn, Nicholas (1943) | Lost 1-2 | -101473 |
| 9sealed | 433 | Gonzales, Roberto (1725) | Lost 1-2 | -141459 |
| top | average opponent: 1616record: 5-4 | new rating: 1459 | ||
| Grand Prix Charleston 2012 (RTR standard) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 203 | Peacock, William (1500) | Draw 0-0 | +11432 |
| 2standard | 154 | Moyer, Chris (1465) | Lost 0-2 | -171415 |
| 3standard | 233 | Anderson, James G (1466) | Lost 0-1 | -181397 |
| 4standard | 303 | Hendrickson, Adam (1463) | Won 2-0 | +201417 |
| top | average opponent: 1474record: 1-2-1 | new rating: 1417 | ||
| Grand Prix Oakland 2010 (extended) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 61 | Vyas, James (1500) | Lost 0-2 | -181446 |
| 2extended | 279 | Robins, Jules (1482) | Won 2-1 | +191465 |
| 3extended | 128 | Kaff, Skye (1523) | Lost 0-2 | -171448 |
| 4extended | 290 | Koller, Katherine (1482) | Lost 0-2 | -171431 |
| top | average opponent: 1497record: 1-3 | new rating: 1431 | ||
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 212 | Swain, Hal (1500) | Won 2-1 | +181518 |
| 2extended | 69 | Hersh, Jared (1518) | Lost 0-2 | -181500 |
| 3extended | 291 | Placone, Tristan (1481) | Lost 0-2 | -181482 |
| 4extended | 351 | Jolliffe, Dylan D (1482) | Lost 0-2 | -181464 |
| top | average opponent: 1495record: 1-3 | new rating: 1464 | ||