Griswold, Jonathan
Current rating: 1526
Record: 4-3-1
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 560 | Chromulak, Jeffrey (1644) | Draw 1-1 | +31503 |
| 2modern | 641 | Caglioti, Marco (1498) | Won 2-1 | +181521 |
| 3modern | 537 | Clemente, Alex (1523) | Won 2-1 | +181539 |
| 4modern | 280 | Bundens, Justin (1706) | Won 2-1 | +211560 |
| 5modern | 140 | Miller, Andrew (1654) | Won 2-1 | +191579 |
| 6modern | 68 | Coulombe, Trevor (1574) | Lost 0-2 | -181561 |
| 7modern | 208 | Eichelberger, Gregory (1558) | Lost 1-2 | -181543 |
| 8modern | 379 | Behr, Bryan (1602) | Lost 1-2 | -171526 |
| average opponent: 1595record: 4-3-1 | new rating: 1526 | |||