McCormick, Matt
Current rating: 1485
Record: 6-7
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 172 | Rosenberry, Dustin L (1500) | Won 2-0 | +181500 |
| 2extended | 56 | Gildea, Robert (1497) | Won 2-1 | +181518 |
| 3extended | 90 | Ladouceur, Travis (1520) | Lost 0-2 | -181500 |
| 4extended | 200 | Alonso, Nicholas (1518) | Won 2-0 | +181518 |
| 5extended | 115 | Litchard, Rian (1579) | Lost 0-2 | -171501 |
| 7extended | 239 | Green, David (1497) | Won 2-0 | +181519 |
| 8extended | 75 | Feinstein, David (1610) | Lost 0-2 | -161503 |
| 9extended | 109 | Carrier, Evan (1505) | Lost 0-2 | -181485 |
| average opponent: 1528record: 4-4 | new rating: 1485 | |||
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 133 | Buschke, Greg (1500) | Won 2-0 | +181518 |
| 2block | 102 | Schneider, Eric (1549) | Won 2-1 | +191537 |
| 3block | 87 | Seaverson, Gregg (1509) | Lost 0-2 | -191518 |
| 4block | 141 | Iden, Shawn (1483) | Lost 0-2 | -191499 |
| 5block | 183 | Szollosi, Bryan (1516) | Lost 1-2 | -171482 |
| average opponent: 1511record: 2-3 | new rating: 1482 | |||