Sowell, William
Current rating: 1461
Record: 2-4
| Grand Prix Charleston 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 192 | Chung, Jonathan (1500) | Won 0-0 | +181518 |
| 2standard | 37 | Guinn, Jetet (1518) | Won 2-1 | +181536 |
| 3standard | 78 | Rufrano, Nicholas (1458) | Lost 0-2 | -191517 |
| 4standard | 112 | Honeycutt, Doug (1465) | Lost 1-2 | -191498 |
| 5standard | 175 | HIGGINBOTHAM, SEAN (1498) | Lost 0-2 | -181480 |
| 6standard | 224 | Ragan, Benjamin (1452) | Lost 0-2 | -191461 |
| average opponent: 1482record: 2-4 | new rating: 1461 | |||