Campbell, Donald J
Current rating: 1518
Record: 4-3
| Grand Prix Toronto 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 171 | Hui, Brian (1539) | Lost 0-2 | -171483 |
| 2modern | 387 | Storey, Patrick (1482) | Won 2-0 | +181501 |
| 3modern | 301 | McCormick, Shaun C (1499) | Won 2-1 | +181519 |
| 4modern | 271 | Cashoe, Jeremiah (1517) | Lost 0-2 | -181501 |
| 5modern | 299 | Ooyama-Searls, Dan (1501) | Won 2-1 | +181519 |
| 6modern | 304 | Reynolds, Jackson (1518) | Won 2-0 | +181537 |
| 7modern | 172 | Schmuckler, Brett (1486) | Lost 1-2 | -191518 |
| average opponent: 1506record: 4-3 | new rating: 1518 | |||