Hatfield, Cody
Current rating: 1628
Record: 22-19
| Grand Prix Charlotte 2016 (modern) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 423 | Sussino, Tim (1846) | Won 2-0 | +241520 |
| 4modern | 443 | Prosser, Brent (1417) | Won 2-0 | +161536 |
| 5modern | 130 | Branham, Tandy (1676) | Won 2-1 | +211557 |
| 6modern | 188 | Johnson, Christopher (1644) | Won 2-1 | +191576 |
| 7modern | 34 | Scherer, Caleb (1758) | Won 2-1 | +211597 |
| 8modern | 17 | Koon, David (1676) | Won 2-1 | +201617 |
| 9modern | 9 | Keith, Jody (1938) | Won 2-1 | +241641 |
| 10modern | 2 | Wang, Jacky (1787) | Lost 0-2 | -161625 |
| 11modern | 16 | Lorren, Phillip (1889) | Lost 1-2 | -131612 |
| 12modern | 26 | Ferraiuolo, Vincent (1665) | Won 2-1 | +191631 |
| 13modern | 28 | Jacob, Maxwell (1837) | Lost 1-2 | -141617 |
| 14modern | 54 | Huang, Bob (1901) | Won 2-1 | +231640 |
| 15modern | 18 | Thompson, Gerry (2026) | Lost 1-2 | -121628 |
| top | average opponent: 1774record: 9-4 | new rating: 1628 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 738 | Horne, Stephen (1384) | Won 2-0 | +161529 |
| 4modern | 708 | Wagoner, Andrew (1555) | Lost 0-2 | -171512 |
| 5modern | 690 | Marshall, Jeff G (1537) | Lost 1-2 | -181494 |
| 6modern | 733 | Roberson, Dustin (1545) | Won 2-0 | +191513 |
| 7modern | 637 | Clutter, Matt (1554) | Lost 1-2 | -171496 |
| top | average opponent: 1515record: 2-3 | new rating: 1496 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 76 | Singer, Jared (1489) | Won 2-1 | +181512 |
| 4legacy | 101 | Porchas, Justin (1671) | Won 2-0 | +211533 |
| 5legacy | 25 | Anderson, Richard (1498) | Lost 0-2 | -191514 |
| 6legacy | 145 | DiTizio, Nicholas (1510) | Won 2-1 | +181532 |
| 7legacy | 69 | Stromley, Michael (1536) | Won 2-0 | +181550 |
| 8legacy | 40 | McKeown, Ian (1625) | Won 2-1 | +201570 |
| 9legacy | 21 | Spanier, Joe (1864) | Won 2-1 | +231593 |
| 10legacy | 38 | Cecchetti, Daniel (1803) | Lost 1-2 | -141579 |
| 11legacy | 68 | Clawson, Brent (1701) | Lost 1-2 | -161563 |
| 12legacy | 164 | Bunnell, Scott (1606) | Lost 1-2 | -171546 |
| 13legacy | 160 | Argenna, Spencer (1584) | Lost 0-2 | -181528 |
| 14legacy | 190 | Smith, Erik (1701) | Lost 0-2 | -151513 |
| top | average opponent: 1632record: 6-6 | new rating: 1513 | ||
| Grand Prix Louisville 2013 (THS standard) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 269 | Williams, Alex (1421) | Won 2-0 | +171479 |
| 4standard | 113 | Tragos, Peter (1613) | Won 2-0 | +211500 |
| 5standard | 163 | West, Zachary (1505) | Won 2-0 | +181518 |
| 6standard | 118 | Garnier, Spencer (1642) | Lost 0-2 | -161502 |
| 7standard | 156 | Cuneo, Andrew (1850) | Lost 0-2 | -121490 |
| 8standard | 247 | Carr, Rick (1666) | Lost 0-2 | -151475 |
| 9standard | 261 | Lange, Crayton (1532) | Won 2-1 | +191494 |
| top | average opponent: 1604record: 4-3 | new rating: 1494 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 201 | Satten, Abe (1518) | Won 2-0 | +181518 |
| 3sealed | 42 | Cholewa, Marius (1384) | Lost 0-2 | -201498 |
| 4sealed | 362 | Ball, Chris (1527) | Lost 1-2 | -181480 |
| 5sealed | 283 | Stone, Jeffery F (1449) | Lost 1-2 | -181462 |
| top | average opponent: 1470record: 1-3 | new rating: 1462 | ||