Heffley, Shane
Current rating: 1515
Record: 8-7
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 261 | Hermreck, Nicholas (1500) | Lost 1-2 | -181481 |
| 2sealed | 297 | Dow, Erica (1428) | Lost 0-2 | -191462 |
| 3sealed | 402 | Griffith, Brenden (1429) | Won 2-1 | +181480 |
| 4sealed | 378 | Laymon, Arrick (1482) | Won 2-0 | +181498 |
| 5sealed | 316 | Burcaw, Evan (1501) | Won 2-0 | +181516 |
| 6sealed | 242 | Grice, Thomas (1517) | Lost 1-2 | -181498 |
| 7sealed | 209 | Wiznitzer, Aryeh (1560) | Won 2-1 | +191517 |
| 8sealed | 172 | Russell, David M (1471) | Won 2-0 | +171534 |
| 9sealed | 98 | Resendez, Festus (1459) | Lost 0-2 | -191515 |
| average opponent: 1483record: 5-4 | new rating: 1515 | |||
| Grand Prix Austin 2012 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1 | Bennight, Paul (1520) | Won 2-1 | +181518 |
| 2sealed | 193 | Jones, Kyle (1500) | Won 2-1 | +181536 |
| 3sealed | 14 | Williams, David P (1518) | Lost 1-2 | -181518 |
| 4sealed | 322 | Sellars, Richard M (1522) | Lost 0-2 | -181500 |
| 5sealed | 326 | Edgerton, Drew (1499) | Won 2-1 | +181518 |
| 6sealed | 214 | Spencer, Kevin (1490) | Lost 0-2 | -191499 |
| average opponent: 1508record: 3-3 | new rating: 1499 | |||