Powell, William
Current rating: 1463
Record: 1-3-1
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 52 | Singletary, Greg (1509) | Won 2-1 | +181518 |
| 2sealed | 2 | Funkhouser, Connor (1417) | Lost 1-2 | -201498 |
| 3sealed | 172 | Richert, Ricardo (1540) | Lost 1-2 | -171481 |
| 4sealed | 220 | Dickerson, Jack (1482) | Lost 0-2 | -181463 |
| 5sealed | 225 | Goldring, Eric (1481) | Draw 0-0 | 01463 |
| average opponent: 1486record: 1-3-1 | new rating: 1463 | |||