Fairfield, Jeffrey
Current rating: 1571
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 476 | Gordon, Roger (1516) | Won 2-1 | +181539 |
| 2sealed | 596 | Martell, Michael (1518) | Won 2-0 | +171556 |
| 3sealed | 461 | Liang, Zhi (1467) | Won 2-0 | +171573 |
| 4sealed | 438 | Bouchard, Maximilien (1503) | Lost 1-2 | -201553 |
| 5sealed | 552 | Harper, Nathan S (1506) | Won 2-0 | +181571 |
| 6sealed | 437 | Lapine, Michael (1567) | Won 2-0 | +181589 |
| 7sealed | 414 | Terry, Jason (1621) | Won 2-1 | +181607 |
| 8sealed | 418 | Naidu, Akash (1589) | Lost 0-2 | -181589 |
| 9sealed | 436 | Brown, Travis (1580) | Lost 1-2 | -181571 |
| top | average opponent: 1541record: 6-3 | new rating: 1571 | ||
| Grand Prix Boston 2005 (extended) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 157 | Utter, Steven (1516) | Lost 1-2 | -181481 |
| 2extended | 202 | Clukey, Terry (1446) | Won 2-0 | +171498 |
| 3extended | 202 | Claytor, Joshua (1659) | Won 2-0 | +211519 |
| 4extended | 156 | Byer, Jon (1518) | Won 2-0 | +181537 |
| 5extended | 130 | Luciany, Joseph (1538) | Lost 1-2 | -181519 |
| 6extended | 132 | Fantigrossi, Giuseppe (1471) | Won 2-0 | +171536 |
| 7extended | 126 | Lynch, Brian (1664) | Lost 0-2 | -151521 |
| top | average opponent: 1545record: 4-3 | new rating: 1521 | ||
| Grand Prix New Jersey 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 58 | Ahmed, Adam (1500) | Won 2-1 | +181518 |
| 2block | 230 | McHugh, Michael (1500) | Lost 0-2 | -181500 |
| 3block | 165 | Jackson, Matthew (1498) | Won 2-0 | +181518 |
| 4block | 217 | Mullen, Steven (1537) | Lost 1-2 | -181500 |
| 5block | 333 | Brunelle, Adam (1483) | Lost 0-2 | -181482 |
| 6block | 301 | Anderson, Michael (1450) | Won 2-1 | +171499 |
| 7block | 260 | Sullivan, Don (1500) | Won 2-1 | +181517 |
| 8block | 168 | Stanford, Jarred (1499) | Lost 1-2 | -181499 |
| top | average opponent: 1496record: 4-4 | new rating: 1499 | ||