Powell, Donald Eric
Current rating: 1467
Record: 1-3
| Grand Prix Detroit 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 146 | Antosh, Brent (1500) | Won 2-0 | +181518 |
| 2modern | 279 | Moon, Chris (1557) | Lost 0-0 | -171501 |
| 3modern | 498 | Edwards, Nathan (1500) | Lost 1-2 | -181483 |
| 4modern | 558 | Fang, Harrison (1589) | Lost 1-2 | -161467 |
| average opponent: 1536record: 1-3 | new rating: 1467 | |||