Porcu, Zachary
Current rating: 1452
Record: 6-9-3
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 441 | Pate, Douglas (1500) | Won 2-1 | +191464 |
| 2modern | 508 | Patterson, Bryson (1453) | Draw 1-1 | 01464 |
| 3modern | 788 | Keegan, Cody (1514) | Won 2-1 | +191483 |
| 4modern | 409 | Martinez, Emmanuel (1507) | Lost 0-2 | -181465 |
| 5modern | 730 | Boyle, Keith (1481) | Lost 0-2 | -171448 |
| 6modern | 952 | Romero, Jacob (1557) | Lost 0-2 | -161432 |
| 7modern | 1033 | Carreon, Don Crisbert (1467) | Won 2-1 | +181450 |
| 8modern | 806 | Espada, Isaac (1506) | Lost 1-2 | -171433 |
| 9modern | 736 | Portillo, Avellino (1479) | Won 2-0 | +191452 |
| average opponent: 1496record: 4-4-1 | new rating: 1452 | |||
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 136 | Wade, James (1500) | Draw 1-1 | 01500 |
| 2block | 164 | Wrisley, Craig E (1500) | Lost 1-2 | -181482 |
| 3block | 238 | Edwards, Kyle (1482) | Lost 0-2 | -181464 |
| 4block | 282 | Zezula, Thomas (1464) | Lost 0-2 | -181446 |
| 5block | 268 | Wang, Lydia (1445) | Won 2-1 | +181464 |
| 6block | 228 | Shields, Matt (1447) | Won 2-1 | +181482 |
| 7block | 177 | Soce, Tawasi (1481) | Draw 1-1 | 01482 |
| 8block | 155 | Cowan, Russell (1494) | Lost 1-2 | -181464 |
| 9block | 133 | Clarke, Thomas (1426) | Lost 0-2 | -191445 |
| average opponent: 1471record: 2-5-2 | new rating: 1445 | |||