Ferguson, David M
Current rating: 1524
Record: 5-4-3
| Grand Prix Columbus 2010 (legacy) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 68 | Kring, David (1500) | Won 2-0 | +171565 |
| 2legacy | 77 | Blyden, Jeffrey (1481) | Lost 1-2 | -191546 |
| 3legacy | 201 | Cruz, Michael (1496) | Lost 1-2 | -191527 |
| 4legacy | 221 | Clark, Paul (1482) | Won 2-1 | +171544 |
| 5legacy | 191 | McGirl, Will J (1502) | Draw 1-1 | -11543 |
| 6legacy | 180 | Stevens, William (1500) | Lost 1-2 | -191524 |
| average opponent: 1493record: 2-3-1 | new rating: 1524 | |||
| Grand Prix Las Vegas 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 47 | Girard, Michael (1555) | Won 2-0 | +191519 |
| 3extended | 59 | Konkeosisouphanh, Viradeth (1536) | Won 2-1 | +181537 |
| 4extended | 48 | Gerhardt, Scott (1574) | Won 2-0 | +191556 |
| 5extended | 1 | Dougherty, Robert (1886) | Draw 1-1 | +61562 |
| 6extended | 15 | Halter, James (1694) | Lost 0-2 | -161546 |
| 7extended | 38 | Dunham, Kory (1651) | Draw 1-1 | +21548 |
| average opponent: 1649record: 3-1-2 | new rating: 1548 | |||