Duggan, John
Current rating: 1603
Record: 10-5
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 896 | Gilmore, Brent (1481) | Won 2-0 | +181518 |
| 2modern | 839 | Corpora, Jon (1406) | Won 2-1 | +161534 |
| 3modern | 891 | Salva, Matthew (1570) | Won 2-0 | +181552 |
| 4modern | 824 | Kirkwood, Scott (1575) | Won 2-1 | +191571 |
| 5modern | 711 | Parente, Tanner (1750) | Lost 1-2 | -151556 |
| 6modern | 753 | Abreu, Josue (1588) | Won 2-0 | +191575 |
| 7modern | 733 | Black, Andrew (1593) | Lost 0-2 | -181557 |
| 8modern | 768 | Lewis, Katherine (1538) | Won 2-1 | +181575 |
| 9modern | 798 | Robinson, Jesse (1555) | Won 2-0 | +171592 |
| 10modern | 105 | Forrest, Brad (1700) | Won 2-1 | +201612 |
| 11modern | 65 | Fornaro, Christopher (1713) | Lost 1-2 | -161596 |
| 12modern | 76 | Van Fleet, Adam (1893) | Won 2-1 | +231619 |
| 13modern | 81 | Suriel, Eliazar (1611) | Won 2-1 | +181637 |
| 14modern | 42 | Rochette, Alex (1699) | Lost 0-0 | -171620 |
| 15modern | 77 | Fischer, Brandon (1689) | Lost 0-2 | -171603 |
| average opponent: 1624record: 10-5 | new rating: 1603 | |||