Callahan, Cullen
Current rating: 1515
Record: 4-3
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1082 | Hummel, Gary (1523) | Lost 0-2 | -181482 |
| 2modern | 1572 | Miller, Michael (1347) | Won 2-0 | +161498 |
| 3modern | 1466 | Koeppicus, Garrett (1499) | Won 2-1 | +181516 |
| 4modern | 1352 | Dobbs, Matt (1504) | Lost 1-2 | -181498 |
| 5modern | 1091 | Cleary, Maggie (1501) | Won 2-0 | +181516 |
| 6modern | 1310 | Oppenheim, Jeremy (1517) | Won 2-1 | +181534 |
| 7modern | 1144 | Handley, Spencer (1508) | Lost 1-2 | -191515 |
| average opponent: 1486record: 4-3 | new rating: 1515 | |||