Margate, Pedro
Current rating: 1517
Record: 4-3
| Grand Prix Seattle 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 2 | Miller, Colin (1500) | Lost 0-2 | -181482 |
| 2extended | 138 | Karmol, Stephen (1482) | Won 2-0 | +181500 |
| 3extended | 71 | Hoff, Daniel (1498) | Won 2-1 | +181518 |
| 4extended | 114 | Prather, John (1518) | Won 2-1 | +181536 |
| 5extended | 56 | Pottenger, Sean (1519) | Lost 0-2 | -181518 |
| 6extended | 100 | Cook, Richard (1504) | Won 2-1 | +171535 |
| 7extended | 67 | Solberg, Derik (1537) | Lost 1-2 | -181517 |
| average opponent: 1508record: 4-3 | new rating: 1517 | |||