Mazzagate, Brent
Current rating: 1499
| Grand Prix Houston 2002 (extended) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 34 | Parker, Neil (1500) | Lost 0-2 | -181500 |
| 2extended | 102 | Hamilton, Charles (1481) | Won 2-1 | +181518 |
| 3extended | 74 | Stott, Cody (1499) | Lost 0-2 | -191499 |
| top | average opponent: 1493record: 1-2 | new rating: 1499 | ||
| Grand Prix New Orleans 2001 (INV limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 5 | Nguyen, Duy (1518) | Won 2-0 | +181520 |
| 3sealed | 66 | Sutton, Ron (1628) | Won 2-1 | +201540 |
| 4sealed | 54 | Kesselman, Eric (1644) | Lost 0-2 | -161524 |
| 5sealed | 73 | Humpherys, David (1797) | Lost 0-2 | -131511 |
| 6sealed | 75 | Rubin, Benjamin (1881) | Won 2-1 | +251536 |
| 7sealed | 72 | Schneider, Justin (1585) | Lost 1-2 | -181518 |
| top | average opponent: 1675record: 3-3 | new rating: 1518 | ||
| Grand Prix Dallas 2000 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 58 | Jones, Chad (1518) | Won 2-0 | +181518 |
| 3sealed | 2 | Tao, Yubin (1484) | Won 2-0 | +181536 |
| 4sealed | 23 | Comer, Alan (1726) | Lost 1-2 | -151521 |
| 5sealed | 56 | Scott, Jesse (1518) | Won 2-1 | +181539 |
| 6sealed | 23 | Boneau, Trent (1504) | Lost 0-2 | -191520 |
| 7sealed | 61 | Rutherford, Quillian (1505) | Lost 0-2 | -181502 |
| top | average opponent: 1542record: 3-3 | new rating: 1502 | ||