Campbell, Shawn
Current rating: 1421
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 165 | Kirin, Michael (1500) | Won 2-1 | +191470 |
| 2sealed | 158 | Levstek, Shawn (1563) | Lost 1-2 | -161454 |
| 3sealed | 373 | Zuckerman, Yuval (1455) | Lost 0-2 | -181436 |
| 4sealed | 504 | Hayes, Robert (1633) | Lost 1-2 | -151421 |
| top | average opponent: 1538record: 1-3 | new rating: 1421 | ||
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 62 | Bremner, Paul (1447) | Lost 1-2 | -181428 |
| 2sealed | 499 | Smith, Kale (1481) | Won 2-0 | +191447 |
| 3sealed | 453 | McCowell, Cody (1457) | Draw 1-1 | 01447 |
| 4sealed | 420 | Chang, Dave (1504) | Won 2-1 | +191466 |
| 5sealed | 292 | Mazur, Spencer (1620) | Lost 0-2 | -151451 |
| top | average opponent: 1502record: 2-2-1 | new rating: 1451 | ||
| Grand Prix Montreal 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 11 | Holbrook, Jeremy (1500) | Lost 0-2 | -181482 |
| 2sealed | 92 | McWhaw, Andrew (1482) | Lost 1-2 | -181464 |
| 3sealed | 105 | Cassell, Daniel (1464) | Lost 0-2 | -181446 |
| top | average opponent: 1482record: 0-3 | new rating: 1446 | ||