Dostine, Joshua
Current rating: 1458
| Grand Prix Detroit 2016 (modern) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 423 | Selim, Paul (1468) | Won 2-0 | +191448 |
| 2modern | 513 | O'Brien, Christopher (1519) | Lost 0-2 | -171431 |
| 3modern | 557 | Robertson, Shawn (1574) | Lost 1-2 | -151416 |
| 4modern | 1071 | Tolfree, Paul (1480) | Won 2-1 | +191435 |
| 5modern | 764 | Marsh, Ashley (1499) | Won 2-1 | +191454 |
| 6modern | 475 | Albers, Tyler (1503) | Won 2-0 | +191473 |
| 7modern | 329 | Chambers, Devin (1541) | Lost 1-2 | -171456 |
| 8modern | 495 | Sarquiz, Chad (1521) | Won 2-0 | +191475 |
| 9modern | 451 | Smith, Andrew 0268 (1521) | Lost 1-2 | -171458 |
| top | average opponent: 1514record: 5-4 | new rating: 1458 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 183 | Bennick, Eric (1500) | Won 2-0 | +191482 |
| 2modern | 29 | Presnell, Joseph (1498) | Lost 0-0 | -181464 |
| 3modern | 423 | Welkins, Justin (1498) | Lost 0-2 | -171447 |
| 4modern | 543 | McManus, Mark (1467) | Lost 0-2 | -181429 |
| top | average opponent: 1491record: 1-3 | new rating: 1429 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 506 | Mellem, David (1500) | Lost 1-2 | -181482 |
| 2legacy | 589 | Pierce, Chris (1429) | Lost 0-2 | -191463 |
| 3legacy | 688 | Meade, Michael (1464) | Lost 0-2 | -181445 |
| 4legacy | 703 | Gray, Ian (1445) | Won 2-0 | +181463 |
| top | average opponent: 1460record: 1-3 | new rating: 1463 | ||