Campbell, James
Current rating: 1429
Record: 12-16-1
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 415 | Blondo, Noah (1500) | Won 2-0 | +181496 |
| 2standard | 308 | Davis, Brent (1663) | Lost 1-2 | -151481 |
| 3standard | 373 | Goldstein, Nathan (1469) | Lost 1-2 | -181463 |
| 4standard | 531 | Hampton, Scott (1469) | Lost 1-2 | -181445 |
| 5standard | 705 | Swartz, Kyle (1466) | Lost 1-2 | -171428 |
| 6standard | 652 | DeVoll, Harrison (1448) | Won 2-0 | +181446 |
| 7standard | 553 | Thorpe, Colin (1465) | Lost 0-2 | -181428 |
| 8standard | 533 | Zimmerman, Aaron (1448) | Lost 0-2 | -171411 |
| 9standard | 460 | Cochran, Joshua (1429) | Won 2-0 | +181429 |
| top | average opponent: 1484record: 3-6 | new rating: 1429 | ||
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 639 | Pledger, Dustin (1504) | Lost 0-2 | -171478 |
| 2sealed | 1013 | Abernathy, Phillip (1446) | Lost 1-2 | -191459 |
| 3sealed | 1270 | Blumenfeld, Heather (1463) | Lost 0-2 | -181441 |
| 4sealed | 1249 | Hoeger, Aiden (1448) | Won 2-1 | +181459 |
| 5sealed | 1198 | Burdette, Bryce (1471) | Won 2-1 | +181477 |
| 6sealed | 1053 | Fox, Kraig (1482) | Won 2-0 | +191496 |
| 7sealed | 965 | Crowley, Dave (1513) | Lost 1-2 | -181478 |
| top | average opponent: 1475record: 3-4 | new rating: 1478 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 57 | Earley, Benjamin (1482) | Lost 1-2 | -191516 |
| 2standard | 484 | Rudge, Nathan (1464) | Lost 0-2 | -191497 |
| 3standard | 800 | Macey, Evan (1464) | Won 2-0 | +171514 |
| 4standard | 603 | Dellow, Connor (1481) | Lost 0-2 | -191495 |
| top | average opponent: 1473record: 1-3 | new rating: 1495 | ||
| Grand Prix Taipei 2014 (M15 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 137 | Woolfolk, Adam (1500) | Draw 1-1 | 01500 |
| 2sealed | 210 | Yuk, Kai Leung (1503) | Won 2-0 | +181518 |
| 3sealed | 180 | Remy, Hu (1518) | Lost 1-2 | -181500 |
| 4sealed | 277 | Saotome, Yukiyo (1466) | Won 2-0 | +171517 |
| 5sealed | 195 | Oh, Andrew (1484) | Won 2-0 | +181535 |
| 6sealed | 116 | Chao, Peter (1568) | Lost 1-2 | -181517 |
| 7sealed | 190 | Tseng, Yi-Chih (1507) | Lost 0-2 | -181499 |
| 8sealed | 207 | Lin, Shu-Xiang (1502) | Won 2-1 | +181517 |
| 9sealed | 169 | Yang, Yu Min (1477) | Won 2-1 | +181535 |
| top | average opponent: 1503record: 5-3-1 | new rating: 1535 | ||