Niles, Jeffrey
Current rating: 1429
Record: 4-8
| Grand Prix Dallas 2007 (extended) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 141 | Aaron, Todd (1486) | Lost 0-2 | -181483 |
| 2extended | 267 | Jordan, Alyssa (1482) | Won 2-0 | +181501 |
| 3extended | 199 | Moses, Charles (1500) | Lost 0-0 | -181483 |
| 4extended | 265 | Bryant, Joseph D (1481) | Lost 1-2 | -181465 |
| 5extended | 275 | Riojas, Anthony (1463) | Lost 0-2 | -181447 |
| 6extended | 241 | GUNTER, MICHAEL s (1446) | Lost 0-2 | -181429 |
| average opponent: 1476record: 1-5 | new rating: 1429 | |||
| Grand Prix St. Louis 2006 (CSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 13 | Dove, Michael (1573) | Lost 0-2 | -171483 |
| 2sealed | 138 | Gilley, Jonathan (1498) | Won 2-0 | +191502 |
| 3sealed | 140 | Sweet, Jeffrey M (1500) | Won 2-1 | +181520 |
| 4sealed | 111 | Reindl, Colin (1518) | Lost 0-2 | -181502 |
| 5sealed | 117 | Byer, Christopher (1466) | Won 2-1 | +171519 |
| 6sealed | 108 | Pierce, Logan A (1517) | Lost 0-2 | -181501 |
| average opponent: 1512record: 3-3 | new rating: 1501 | |||