Muffitt, Rob
Current rating: 1522
Record: 5-4
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 130 | Edwards, Kyle (1500) | Won 2-0 | +181518 |
| 2block | 74 | Martinez, Thomas J (1500) | Lost 1-2 | -181500 |
| 3block | 119 | Hunt, Adam (1500) | Won 2-0 | +181518 |
| 4block | 104 | Barnett, Stephen (1559) | Lost 1-2 | -181500 |
| 5block | 188 | Stocks, Jonathan (1744) | Lost 0-2 | -131487 |
| 6block | 219 | Hewitt, John (1484) | Won 2-1 | +181505 |
| 7block | 163 | Owens, Joseph K (1504) | Won 2-0 | +181523 |
| 8block | 129 | Rodriguez, Pedro (1504) | Won 2-1 | +171540 |
| 9block | 94 | Sittner, Jeff (1526) | Lost 1-2 | -181522 |
| average opponent: 1536record: 5-4 | new rating: 1522 | |||