Lufkin, Martha
Current rating: 1522
Record: 4-3
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 107 | Guevara, Franz (1534) | Lost 1-2 | -171483 |
| 2sealed | 637 | Ley, Joseph (1471) | Won 1-0 | +171500 |
| 3sealed | 363 | Lewis, Christopher (1397) | Lost 0-2 | -191481 |
| 4sealed | 603 | Stec, Peter (1506) | Won 2-0 | +181499 |
| 5sealed | 567 | Siow, Lucas (1789) | Won 2-0 | +231522 |
| 6sealed | 400 | Perugini, Michael (1541) | Won 2-1 | +181540 |
| 7sealed | 347 | Reph, Zack (1536) | Lost 0-2 | -181522 |
| average opponent: 1539record: 4-3 | new rating: 1522 | |||