Tennille, Sonny T
Current rating: 1383
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1414 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 91 | Zappia, Nick (1500) | Won 2-0 | +191433 |
| 2sealed | 34 | Snow, Tim (1500) | Lost 1-2 | -161417 |
| 3sealed | 246 | Babcock, Gary (1498) | Lost 1-2 | -171400 |
| 4sealed | 423 | Horowitz, Eric (1427) | Lost 0-2 | -171383 |
| top | average opponent: 1481record: 1-3 | new rating: 1383 | ||
| Grand Prix Atlanta 2012 (legacy) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 71 | Dyer, Steven (1482) | Won 2-1 | +191465 |
| 2legacy | 181 | Kwan, Michael (1509) | Lost 0-2 | -181447 |
| 3legacy | 288 | Arevalo, Javier (1482) | Lost 1-2 | -171430 |
| 4legacy | 363 | Beach, Daxton (1481) | Won 2-0 | +191449 |
| 5legacy | 348 | Humberd, Drew (1500) | Lost 1-2 | -171432 |
| 6legacy | 367 | Thompson, Steven (1429) | Lost 0-2 | -181414 |
| top | average opponent: 1480record: 2-4 | new rating: 1414 | ||
| Grand Prix Atlanta 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 143 | Svetlov, Archie S (1484) | Lost 0-2 | -181482 |
| 2sealed | 186 | Newman, Herbert (1481) | Lost 1-2 | -181464 |
| 3sealed | 261 | Carter, Scott (1482) | Lost 0-2 | -181446 |
| top | average opponent: 1482record: 0-3 | new rating: 1446 | ||