Wrenn, Shawn
Current rating: 1426
Record: 4-8-1
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 258 | Coleman, Abigail (1446) | Lost 1-2 | -191462 |
| 2sealed | 628 | Lock, Margaret (1482) | Won 2-0 | +191481 |
| 3sealed | 579 | Jourdan, Bliss (1500) | Won 2-1 | +181499 |
| 4sealed | 556 | Bowen, Toby (1517) | Lost 1-2 | -181481 |
| 5sealed | 615 | Jones, Ricky L (1409) | Won 2-0 | +171498 |
| 6sealed | 496 | Embry, Brian (1492) | Lost 0-2 | -181480 |
| 7sealed | 512 | Delhommer, Dustin (1486) | Lost 0-2 | -181462 |
| 8sealed | 478 | Creager, Kyle (1440) | Lost 0-2 | -181444 |
| 9sealed | 440 | Szulczewski, Nick (1482) | Lost 0-2 | -181426 |
| average opponent: 1473record: 3-6 | new rating: 1426 | |||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 76 | Murphy, Christopher (1408) | Won 2-0 | +161516 |
| 2sealed | 214 | Kain, Morgan (1516) | Lost 0-2 | -181498 |
| 3sealed | 265 | Womick, David (1500) | Lost 1-2 | -181480 |
| 4sealed | 458 | Queen, Josh (1521) | Draw 1-1 | +11481 |
| average opponent: 1486record: 1-2-1 | new rating: 1481 | |||