Ferguson, Duncan
Current rating: 1519
Record: 4-3
| Grand Prix Portland 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 24 | Anderson, Joshua (1436) | Won 2-1 | +171517 |
| 2modern | 125 | Jones, Zack (1536) | Lost 1-2 | -181499 |
| 3modern | 303 | Deveines, Brandon (1559) | Won 2-0 | +191518 |
| 4modern | 275 | Pearson, Clayton (1514) | Won 2-0 | +181536 |
| 5modern | 147 | Nguyen, Edward (1561) | Won 2-1 | +191555 |
| 6modern | 250 | Iams, Garrison (1558) | Lost 0-2 | -181537 |
| 7modern | 154 | Freerksen, Sheldon (1553) | Lost 1-2 | -181519 |
| average opponent: 1531record: 4-3 | new rating: 1519 | |||