Ball, Chris K
Current rating: 1484
Record: 12-13-2
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 132 | Jensen, Miller (1518) | Lost 1-2 | -191520 |
| 3sealed | 418 | Rotramel, Barrett (1477) | Won 2-0 | +181538 |
| 4sealed | 292 | Rodriguez, Frank (1550) | Won 2-1 | +181556 |
| 5sealed | 121 | Cox, Brian (1555) | Lost 0-2 | -181538 |
| 6sealed | 307 | Dickman, Philip (1579) | Lost 0-2 | -171521 |
| 7sealed | 271 | Rix, Justin (1500) | Lost 1-2 | -191502 |
| 8sealed | 218 | Wawak, Amanda (1497) | Lost 1-2 | -181484 |
| top | average opponent: 1525record: 2-5 | new rating: 1484 | ||
| Grand Prix Charleston 2012 (RTR standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 93 | Brown, James (1418) | Won 0-0 | +171480 |
| 2standard | 29 | Sussino, Tim (1512) | Won 2-1 | +191499 |
| 3standard | 29 | Malcolm, Ian (1535) | Won 2-1 | +181517 |
| 4standard | 26 | Murray, Scott (1462) | Won 2-1 | +171534 |
| 5standard | 30 | Stamper, Michael (1520) | Won 2-0 | +181552 |
| 6standard | 12 | Thompson, Gerry (1798) | Lost 0-2 | -131539 |
| 7standard | 31 | Knapp, Johnnie C (1520) | Draw 1-1 | -11538 |
| 8standard | 40 | Ajemian, Christopher (1517) | Lost 0-2 | -181520 |
| 9standard | 70 | Bouton, William (1568) | Won 2-1 | +191539 |
| top | average opponent: 1539record: 6-2-1 | new rating: 1539 | ||
| Grand Prix Atlanta 2012 (legacy) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 144 | Martin, Justin (1513) | Lost 0-2 | -181483 |
| 3legacy | 175 | Redfern, Jacob (1394) | Won 2-1 | +171500 |
| 4legacy | 241 | Vanover, Corey (1515) | Lost 1-2 | -181482 |
| 5legacy | 346 | Fann, Alex (1433) | Lost 1-2 | -191463 |
| top | average opponent: 1464record: 1-3 | new rating: 1463 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 66 | Sutton, Gerald (1500) | Won 2-0 | +181518 |
| 2extended | 99 | O'Connor, Nicholas B (1550) | Won 2-0 | +191537 |
| 3extended | 84 | Fitchko, William (1543) | Won 2-1 | +181555 |
| 4extended | 85 | Eisenhauer, Michael (1531) | Draw 1-1 | -11554 |
| 5extended | 46 | Hedges, Michael (1607) | Lost 0-2 | -171537 |
| 6extended | 100 | Oskarsson, Hrafnkell (1540) | Lost 0-2 | -181519 |
| 7extended | 140 | Strand, Nick (1505) | Lost 1-2 | -181501 |
| top | average opponent: 1539record: 3-3-1 | new rating: 1501 | ||