Mattingly, Taj S
Current rating: 1565
Record: 6-3
| Grand Prix Kansas City 2011 (NPH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 224 | Nelson, Mike (1500) | Won 2-0 | +181518 |
| 2sealed | 190 | Barrasso, Philip D (1628) | Won 2-1 | +201538 |
| 3sealed | 10 | Craddock, William (1672) | Lost 0-2 | -161522 |
| 4sealed | 179 | Avelar, Anthony (1508) | Lost 0-2 | -181504 |
| 5sealed | 327 | Detlefsen, Ryan (1500) | Won 2-0 | +181522 |
| 6sealed | 178 | Johnston, Adam (1594) | Won 2-1 | +191541 |
| 7sealed | 132 | Riecks, Matthew (1581) | Won 2-0 | +191560 |
| 8sealed | 98 | Costrell, Benjamin (1663) | Won 2-0 | +201580 |
| 9sealed | 78 | Gurevich, Misha (1733) | Lost 0-2 | -151565 |
| average opponent: 1598record: 6-3 | new rating: 1565 | |||