Puhala, Joshua
Current rating: 1497
Record: 6-7
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 117 | Zamora, Eddie (1606) | Won 2-0 | +201510 |
| 2modern | 186 | Cobb, Brandon (1555) | Won 2-1 | +191529 |
| 3modern | 416 | Kassari, John (1826) | Lost 0-2 | -131516 |
| 4modern | 501 | Olcott, Odeion (1520) | Won 2-0 | +181534 |
| 5modern | 358 | Lesage, Jason (1438) | Lost 1-2 | -201514 |
| 6modern | 473 | Milazzo, Angelo (1529) | Lost 1-2 | -171497 |
| average opponent: 1579record: 3-3 | new rating: 1497 | |||
| Grand Prix Phoenix 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 78 | Dinsmore, Miles (1441) | Won 2-0 | +171517 |
| 2modern | 206 | Marino, Ryan (1517) | Lost 0-2 | -181499 |
| 3modern | 419 | Summerhays, Isaiah (1500) | Won 2-0 | +181517 |
| 4modern | 380 | Thompson, Bradley (1687) | Won 2-1 | +211538 |
| 5modern | 248 | Kirshon, Daniel (1627) | Lost 0-2 | -161522 |
| 6modern | 238 | Castro Saa, Eduardo (1685) | Lost 1-2 | -151507 |
| 7modern | 341 | Flynn, Kyle (1582) | Lost 0-2 | -171490 |
| average opponent: 1577record: 3-4 | new rating: 1490 | |||