Dyer, Jeffrey
Current rating: 1524
| Grand Prix Boston 2005 (extended) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 86 | Maurice, Matthew (1519) | Won 2-0 | +181545 |
| 2extended | 138 | Rosman-Simionescu, Tobias (1518) | Lost 0-2 | -191526 |
| 3extended | 257 | Norris, Jeff (1501) | Won 2-0 | +181544 |
| 4extended | 123 | Oelgart, Ben (1518) | Won 2-1 | +171561 |
| 5extended | 70 | Cecchetti, Daniel (1535) | Lost 1-2 | -181543 |
| 6extended | 162 | Holbrook, Jeremy (1520) | Lost 0-2 | -191524 |
| top | average opponent: 1518record: 3-3 | new rating: 1524 | ||
| Grand Prix New Jersey 2004 (Mirrodin block) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 182 | Totka, Michael (1500) | Won 2-0 | +181485 |
| 2block | 1 | DeSantis, Jimmy (1518) | Won 2-1 | +191504 |
| 3block | 120 | Albers, Daniel (1536) | Won 2-0 | +181522 |
| 4block | 101 | Weitz, David (1793) | Won 2-0 | +231545 |
| 5block | 37 | Gendelman, Adam (1535) | Won 2-1 | +181563 |
| 6block | 22 | Kandebo, James (1557) | Lost 0-2 | -181545 |
| 7block | 58 | Prest, Dan (1517) | Lost 0-2 | -191526 |
| 8block | 61 | Tautic, Raymond (1534) | Won 2-1 | +181544 |
| 9block | 57 | Cooper, Matt (1561) | Lost 1-2 | -171527 |
| top | average opponent: 1561record: 6-3 | new rating: 1527 | ||
| Grand Prix Boston 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 32 | Laroche, Francois (1570) | Lost 0-2 | -171483 |
| 2sealed | 184 | Wells, Alex (1482) | Lost 0-2 | -181465 |
| 3sealed | 241 | Tessier, Adam (1464) | Won 2-0 | +181483 |
| 4sealed | 225 | Roberge, Mathieu (1553) | Lost 1-2 | -161467 |
| top | average opponent: 1517record: 1-3 | new rating: 1467 | ||