Mckenzie, Brad
Current rating: 1534
Record: 7-6
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 341 | Lo, William Y (1463) | Won 2-0 | +181480 |
| 2standard | 39 | Autry, William T (1517) | Won 2-1 | +181498 |
| 3standard | 86 | Saleh, Keyafar (1569) | Won 2-0 | +201518 |
| 4standard | 54 | Martell, Tom (1987) | Lost 1-2 | -101508 |
| 5standard | 239 | Wilson, Tyler (1638) | Won 2-1 | +201528 |
| 6standard | 66 | marquez, tony (1542) | Won 2-0 | +181546 |
| 7standard | 82 | Wise, Steve (1597) | Won 2-0 | +191565 |
| 8standard | 51 | Edel, Willy (1765) | Lost 0-2 | -141551 |
| 9standard | 61 | Lee, Mon (1621) | Lost 0-2 | -171534 |
| average opponent: 1633record: 6-3 | new rating: 1534 | |||
| Grand Prix Houston 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 69 | Harris, Hampton (1500) | Won 2-0 | +181518 |
| 2extended | 49 | Green, Robert C (1451) | Lost 1-2 | -191499 |
| 3extended | 160 | Varner, John (1505) | Lost 1-2 | -181481 |
| 4extended | 214 | Ferri, Michael (1418) | Lost 1-2 | -191462 |
| average opponent: 1468record: 1-3 | new rating: 1462 | |||