Powell, Isaac T
Current rating: 1464
Record: 1-3
| Grand Prix Columbus 2010 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 549 | Rau, Torsten (1500) | Won 2-0 | +181518 |
| 2legacy | 512 | Lalo, Josh (1564) | Lost 1-2 | -171501 |
| 3legacy | 601 | Gargiulo, Matt (1483) | Lost 1-2 | -181483 |
| 4legacy | 624 | Summers, Ryan (1465) | Lost 0-2 | -191464 |
| average opponent: 1503record: 1-3 | new rating: 1464 | |||