Tierney, Joseph
Current rating: 1507
Record: 6-6
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 45 | Radican, Kyle (1553) | Lost 0-2 | -171501 |
| 4sealed | 332 | Bonnell, Thomas (1518) | Won 2-1 | +181519 |
| 5sealed | 318 | Yi, John (1534) | Won 2-0 | +191538 |
| 6sealed | 115 | Cunningham, Scott (1555) | Lost 1-2 | -181520 |
| 7sealed | 290 | Frayman, Igor (1779) | Lost 1-2 | -131507 |
| average opponent: 1588record: 2-3 | new rating: 1507 | |||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 50 | Olson, Nathan (1500) | Lost 0-2 | -181482 |
| 2sealed | 516 | Esparza, Esteban E (1482) | Won 2-1 | +181500 |
| 3sealed | 567 | Lusted, Mark (1350) | Lost 0-2 | -211479 |
| 4sealed | 796 | Dupuis, Deven (1551) | Won 2-1 | +201499 |
| 5sealed | 600 | Clark, Alex (1500) | Won 2-0 | +181517 |
| 6sealed | 467 | Wright, Michael S (1533) | Won 2-0 | +181535 |
| 7sealed | 389 | Pal, Carlos (1614) | Lost 1-2 | -171518 |
| average opponent: 1504record: 4-3 | new rating: 1518 | |||