Zappala, Brandon
Current rating: 1523
Record: 7-6
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 408 | Wu, Dalton (1628) | Lost 0-2 | -151448 |
| 2sealed | 697 | Wallace Jr, Dana (1482) | Won 2-0 | +191467 |
| 3sealed | 521 | Carmichael, Tom (1500) | Won 2-1 | +181485 |
| 4sealed | 620 | Garner, Braxton (1466) | Won 2-1 | +181503 |
| 5sealed | 453 | Barrick, Jonathan (1507) | Lost 1-2 | -181485 |
| 6sealed | 522 | Baker, Daniel (1532) | Won 2-0 | +191504 |
| 7sealed | 421 | Gagnon, Jean-Nicolas (1541) | Won 2-1 | +191523 |
| 8sealed | 374 | Neyra, Bruno (1472) | Lost 1-2 | -191504 |
| 9sealed | 398 | Rosenthal, Stephen (1559) | Won 2-1 | +191523 |
| average opponent: 1521record: 6-3 | new rating: 1523 | |||
| Grand Prix Tampa 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Shannon, Wayne (1500) | Won 2-0 | +181518 |
| 2sealed | 11 | Mahaffey, Christopher (1499) | Lost 0-2 | -181500 |
| 3sealed | 178 | Butler, Jessie (1554) | Lost 0-2 | -171483 |
| 4sealed | 279 | Conrad, Michael (1406) | Lost 0-2 | -201463 |
| average opponent: 1490record: 1-3 | new rating: 1463 | |||