David B.,
Current rating: 1505
Record: 4-4
| Grand Prix Kansas City 2011 (NPH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 208 | Kim, Da-Me (1470) | Lost 1-2 | -191481 |
| 3sealed | 226 | Allen, Eli (1499) | Won 2-1 | +191500 |
| 4sealed | 251 | Crnkovich, Dustin M (1504) | Won 2-0 | +181518 |
| 5sealed | 113 | Wallerstein, Robert (1555) | Won 2-1 | +191537 |
| 6sealed | 42 | McKnight, Joshua (1560) | Lost 0-2 | -181519 |
| 7sealed | 134 | Higdon, Nigel (1686) | Lost 0-2 | -151504 |
| 8sealed | 187 | Steppen, Kurt (1523) | Won 2-0 | +181522 |
| 9sealed | 142 | Tellis, Adam (1539) | Lost 0-2 | -171505 |
| average opponent: 1542record: 4-4 | new rating: 1505 | |||