Sheffield, Kenneth
Current rating: 1506
Record: 8-8-1
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 764 | Evans, Michael A (1492) | Won 2-1 | +181522 |
| 3sealed | 697 | Moody, Tyler (1450) | Won 2-0 | +171539 |
| 4sealed | 779 | Falbo, Kyle (1482) | Lost 0-2 | -191520 |
| 5sealed | 787 | Fleischood, Mark (1639) | Lost 1-2 | -161504 |
| 6sealed | 907 | GEDA, DREW (1521) | Lost 0-2 | -181486 |
| 7sealed | 941 | Byrd, Eric (1513) | Lost 1-2 | -181468 |
| 8sealed | 523 | Martinez, Etienne (1523) | Won 2-0 | +191487 |
| 9sealed | 475 | Boros, Justin (1501) | Won 2-0 | +191506 |
| average opponent: 1515record: 4-4 | new rating: 1506 | |||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 128 | Droggitis, Dustin (1522) | Draw 1-1 | 01500 |
| 2sealed | 240 | Dunst, Jeremiah L (1503) | Won 2-0 | +181518 |
| 3sealed | 158 | Hutchison, Daniel (1662) | Lost 0-2 | -151503 |
| 4sealed | 313 | Kremer, Janae (1499) | Won 2-0 | +181521 |
| 5sealed | 211 | Hirrlinger, Ryan (1517) | Lost 0-2 | -181503 |
| 6sealed | 275 | Abalos, Sam (1555) | Lost 0-2 | -171486 |
| 7sealed | 239 | McKay-Simons, Ben (1506) | Won 2-0 | +181504 |
| 8sealed | 176 | Chenglin, Yiping (1499) | Lost 0-2 | -181486 |
| 9sealed | 141 | Williams, Stephen M (1482) | Won 2-0 | +181504 |
| average opponent: 1527record: 4-4-1 | new rating: 1504 | |||