Macdonald, Josh
Current rating: 1470
Record: 2-4
| Grand Prix Atlanta 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 97 | Delaney, Mike (1500) | Won 2-1 | +181518 |
| 2extended | 122 | Maloof, Greg (1634) | Lost 1-2 | -161502 |
| 3extended | 128 | Verhey, Gavin (1694) | Won 2-1 | +221524 |
| 4extended | 190 | Elliott, Vincent W (1589) | Lost 0-2 | -171507 |
| 5extended | 217 | Mcduffee, Adam F (1467) | Lost 0-2 | -191488 |
| 6extended | 206 | Forsythe, Jimmy (1480) | Lost 0-2 | -181470 |
| average opponent: 1561record: 2-4 | new rating: 1470 | |||