Jaffee, Seth
Current rating: 1538
Record: 16-15-2
| Grand Prix Los Angeles 2002 (ONS rochester) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 41 | Shugart, Andrew (1500) | Won 2-0 | +171576 |
| 2sealed | 74 | Philbrick, James (1518) | Won 2-1 | +171593 |
| 3sealed | 27 | Stirler, Jacob (1602) | Lost 0-2 | -181575 |
| 4sealed | 128 | Dietzel, Bobby (1519) | Won 2-1 | +171592 |
| 5sealed | 77 | Dunham, Kory (1667) | Lost 1-2 | -171575 |
| 6sealed | 112 | Burr, Nicholas (1538) | Lost 0-2 | -181557 |
| 7sealed | 91 | Vigderman, Constantine (1520) | Lost 0-2 | -191538 |
| top | average opponent: 1552record: 3-4 | new rating: 1538 | ||
| Grand Prix Las Vegas 2001 (extended) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 27 | Seifert, Jeff (1495) | Lost 0-2 | -181496 |
| 5extended | 71 | Marcum, Kyle (1482) | Won 2-0 | +181514 |
| 6extended | 25 | Hakanson, Ben (1532) | Won 2-0 | +181532 |
| 7extended | 18 | Chiang, Wayne (1559) | Won 2-0 | +181550 |
| 8extended | 11 | Fimbres, Michael (1497) | Draw 1-1 | -11549 |
| 9extended | 10 | Lane, Adam E (1623) | Lost 0-2 | -161533 |
| 10extended | 23 | Gilson, Frank (1645) | Won 1-0 | +201553 |
| 11extended | 17 | Clegg, Daniel (1906) | Lost 0-1 | -121541 |
| 12extended | 23 | Harrington, Bryan (1548) | Won 2-0 | +181559 |
| 13extended | 16 | McAlexander, Matt (1548) | Draw 1-1 | 01559 |
| top | average opponent: 1584record: 5-3-2 | new rating: 1559 | ||
| Grand Prix Denver 2001 (Invasion block) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 130 | Juhl, Max (1500) | Won 2-0 | +181468 |
| 2block | 3 | Frazier, Matthew (1580) | Won 2-1 | +211489 |
| 3block | 35 | Cazahous, Lee (1536) | Won 2-1 | +181507 |
| 4block | 20 | Pustilnik, Michael (1835) | Lost 0-2 | -121495 |
| 5block | 76 | Yakupav, Russell (1537) | Won 2-0 | +191514 |
| 6block | 51 | Knobloch, Aaron (1552) | Lost 1-2 | -171497 |
| 7block | 66 | Walendziak, Craig (1476) | Won 2-0 | +171514 |
| top | average opponent: 1574record: 5-2 | new rating: 1514 | ||
| Grand Prix Phoenix 2000 (extended) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 17 | Febles, Carlos (1500) | Lost 1-2 | -181446 |
| 2extended | 49 | Smith, Brian (1456) | Lost 0-2 | -171429 |
| 3extended | 72 | McCauley, A. Scott (1463) | Won 2-0 | +181447 |
| 4extended | 89 | Hules, Greg (1464) | Lost 0-2 | -181429 |
| 5extended | 85 | Benedict, Michael (1480) | Lost 1-2 | -171412 |
| 6extended | 82 | Blair, Brandon (1446) | Won 2-0 | +191431 |
| 7extended | 70 | Coullandreau, Remy (1464) | Won 2-0 | +191450 |
| top | average opponent: 1467record: 3-4 | new rating: 1450 | ||
| Grand Prix San Diego 1999 (MMQ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3 | O'Conner, James (1500) | Lost 0-0 | -181482 |
| 3sealed | 90 | Thompson, James (1464) | Lost 0-2 | -181464 |
| top | average opponent: 1482record: 0-2 | new rating: 1464 | ||