Du, Kien
Current rating: 1464
Record: 3-5-2
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 134 | Sandler, Jared (1527) | Lost 0-2 | -171464 |
| 2extended | 235 | Castelo Viosca, Arturo (1482) | Draw 1-1 | +11465 |
| 3extended | 319 | Morgan, Todd W (1482) | Won 2-1 | +181483 |
| 4extended | 275 | Nix, Robert (1436) | Lost 1-2 | -191464 |
| average opponent: 1482record: 1-2-1 | new rating: 1464 | |||
| Grand Prix Charlotte 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 76 | Slone, John (1500) | Draw 1-1 | 01500 |
| 2extended | 105 | Holland, Jesse (1461) | Lost 1-2 | -191481 |
| 3extended | 160 | Vess, Rob (1481) | Won 2-0 | +181499 |
| 4extended | 144 | Baltezore, Allen (1501) | Lost 0-2 | -181481 |
| 5extended | 163 | Earhart, Jesse (1480) | Won 2-0 | +181499 |
| 6extended | 131 | Hajtovik, Bryan (1505) | Lost 1-2 | -181481 |
| average opponent: 1488record: 2-3-1 | new rating: 1481 | |||