Boyer, William W
Current rating: 1465
Record: 1-3
| Grand Prix Kansas City 2011 (NPH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 45 | Kim, Da-Me (1488) | Won 2-0 | +181518 |
| 4sealed | 131 | Hunt, Kevin (1526) | Lost 0-2 | -181500 |
| 5sealed | 154 | Borcherding, Grant (1519) | Lost 1-2 | -181482 |
| 6sealed | 159 | Wan, Xinyu (1519) | Lost 1-2 | -171465 |
| average opponent: 1513record: 1-3 | new rating: 1465 | |||