Giallo, Joseph
Current rating: 1537
| Grand Prix Richmond 2014 (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 302 | Matranga, Richard (1500) | Lost 1-2 | -181462 |
| 2modern | 364 | Place, Eric (1445) | Won 2-1 | +181480 |
| 3modern | 257 | Martin, Josh (1602) | Lost 0-2 | -161464 |
| 4modern | 429 | Baker, Stephen (1465) | Won 2-0 | +181482 |
| 5modern | 408 | Kelly, Adam (1499) | Won 2-0 | +191501 |
| 6modern | 181 | Ballard, Chase (1520) | Won 2-0 | +181519 |
| 7modern | 117 | Bentley, Cody (1519) | Won 2-1 | +181537 |
| 8modern | 67 | Kerwin, Christopher (1538) | Won 2-0 | +181555 |
| 9modern | 63 | Koenig, Jake (1578) | Lost 1-2 | -181537 |
| top | average opponent: 1519record: 6-3 | new rating: 1537 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 411 | Liu, Helio (1500) | Lost 1-2 | -181480 |
| top | record: 0-1 | new rating: 1480 | ||
| Grand Prix Atlanta 2012 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 177 | Kirkwood, William (1482) | Won 2-1 | +181518 |
| 2legacy | 22 | Maddox, David (1464) | Lost 0-2 | -191499 |
| 3legacy | 269 | Levy, Daniel F (1427) | Won 2-0 | +161515 |
| 4legacy | 284 | Miller, Andrew (1540) | Lost 0-2 | -171498 |
| 5legacy | 276 | Peyton, Andrew P (1498) | Won 2-1 | +181516 |
| 6legacy | 243 | McKinney, Ryan (1520) | Lost 0-2 | -181498 |
| top | average opponent: 1489record: 3-3 | new rating: 1498 | ||