Spears, Jason
Current rating: 1435
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Pimm, Douglas (1597) | Won 2-1 | +201505 |
| 2sealed | 385 | Pokladek, Michael L (1546) | Lost 0-2 | -181487 |
| 3sealed | 346 | Baker, Justin (1529) | Lost 0-2 | -171470 |
| 4sealed | 597 | O'Donnell, Patrick S (1493) | Lost 1-2 | -171453 |
| 5sealed | 716 | Breese, Keith (1465) | Lost 0-2 | -181435 |
| top | average opponent: 1526record: 1-4 | new rating: 1435 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 6 | Franklin, Eric (1636) | Won 2-0 | +201520 |
| 3sealed | 38 | Ciurczak, Zachary (1537) | Won 2-1 | +191539 |
| 4sealed | 12 | Sears, Charles (1515) | Lost 0-2 | -191520 |
| 5sealed | 72 | Klein, Elizabeth A (1538) | Lost 0-2 | -171503 |
| 6sealed | 154 | Krug, Andrew (1510) | Lost 0-2 | -181485 |
| top | average opponent: 1547record: 2-3 | new rating: 1485 | ||
| Grand Prix Boston 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 133 | Jennings-Wyckoff, James (1500) | Won 2-0 | +181518 |
| 2sealed | 14 | Garamvolgyi, Alex (1501) | Lost 0-2 | -181500 |
| 3sealed | 197 | Shell, Alexander (1500) | Won 2-1 | +181518 |
| 4sealed | 147 | McClure, Blake (1518) | Won 2-0 | +181536 |
| 5sealed | 97 | Ziegler, Eric (1551) | Lost 1-2 | -181518 |
| 6sealed | 108 | Egli, Walter (1514) | Lost 0-2 | -181500 |
| top | average opponent: 1514record: 3-3 | new rating: 1500 | ||