Campbell, Collin
Current rating: 1541
Record: 7-5
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 74 | Baker, Ben (1500) | Won 2-0 | +191501 |
| 2sealed | 77 | Saucier, Brandon J (1518) | Won 2-0 | +181519 |
| 3sealed | 135 | Xu, Roy (1432) | Won 2-0 | +161535 |
| 4sealed | 66 | Wiznitzer, Aryeh (1615) | Won 2-0 | +201555 |
| 5sealed | 81 | Cummings, Michael J (1589) | Won 2-1 | +191574 |
| 6sealed | 11 | Dorsett, Zachariah (1650) | Lost 1-2 | -171557 |
| 7sealed | 203 | Chang, Morgan (1648) | Lost 1-2 | -161541 |
| 8sealed | 110 | greenberg, david (1551) | Lost 1-2 | -181523 |
| 9sealed | 131 | Loya, Darrell (1534) | Won 2-1 | +181541 |
| average opponent: 1560record: 6-3 | new rating: 1541 | |||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 38 | Dean, Jonathan (1501) | Won 2-0 | +181518 |
| 2standard | 120 | Hoelscher, Jeron (1516) | Lost 0-2 | -181500 |
| 3standard | 164 | Pineda, Jose (1525) | Lost 0-2 | -181482 |
| average opponent: 1514record: 1-2 | new rating: 1482 | |||