Mahoney, Roberto
Current rating: 1581
Record: 8-4
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 96 | Carl, Scott (1534) | Lost 0-2 | -171483 |
| 4modern | 303 | Antanavich-Rogers, Tyler (1517) | Lost 1-2 | -181465 |
| 5modern | 272 | Mason, Sky (1559) | Won 2-0 | +201485 |
| 6modern | 247 | Samson, Louis-Alexandre (1518) | Won 2-0 | +191504 |
| 7modern | 219 | Casale, John (1654) | Won 2-0 | +201524 |
| 8modern | 95 | Lamarre, Samuel (1524) | Won 2-1 | +181542 |
| 9modern | 54 | Chambers, Matthew (1572) | Won 2-1 | +191561 |
| 10modern | 108 | Nourain, Kiyan (1572) | Lost 1-2 | -181543 |
| 11modern | 102 | Coukos, John (1582) | Won 2-1 | +191562 |
| 12modern | 75 | Peek, Joshua (1591) | Won 2-0 | +181580 |
| 13modern | 65 | Hausle, Maxwell (1609) | Won 2-0 | +191599 |
| 14modern | 25 | Bourque, Richard (1630) | Lost 0-0 | -181581 |
| 15modern | 47 | Nguyen, Thien (1630) | ID | 01581 |
| average opponent: 1576record: 8-4-1 | new rating: 1581 | |||