Haney, Preston
Current rating: 1483
Record: 8-9-1
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 44 | Hatlee, Herbie (1525) | Draw 1-1 | +11501 |
| 3extended | 179 | Davila, Ariel (1518) | Lost 0-2 | -181483 |
| 4extended | 302 | Diaz, Andy (1500) | Won 2-0 | +181501 |
| 5extended | 220 | Fox, Christopher R (1504) | Lost 1-2 | -181483 |
| top | average opponent: 1512record: 1-2-1 | new rating: 1483 | ||
| Grand Prix New Jersey 2006 (TSP limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 201 | Adams, Ken (1482) | Lost 0-2 | -181498 |
| 2sealed | 157 | Ferrando, Matthew (1518) | Won 2-0 | +181516 |
| 3sealed | 310 | Cohen, Debbie (1629) | Lost 1-2 | -161500 |
| top | average opponent: 1543record: 1-2 | new rating: 1500 | ||
| Grand Prix Boston 2005 (extended) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 50 | Collier, Schehone (1500) | Lost 0-2 | -191499 |
| 2extended | 265 | Magararu, Juris (1482) | Won 2-0 | +181517 |
| 3extended | 223 | Hayes, Daniel (1500) | Won 2-0 | +181535 |
| 4extended | 164 | Myers, Matt (1521) | Lost 0-2 | -191516 |
| top | average opponent: 1501record: 2-2 | new rating: 1516 | ||
| Grand Prix New Jersey 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 234 | Jacobson, Mark (1500) | Won 2-1 | +181518 |
| 2block | 117 | Debragga, John (1518) | Lost 1-2 | -181500 |
| 3block | 254 | Randazzo, Angelo (1500) | Lost 1-2 | -181482 |
| 4block | 386 | Petrushansky, Bobby (1482) | Won 2-1 | +181500 |
| 5block | 297 | Niblock, Bill (1501) | Won 2-1 | +181518 |
| 6block | 154 | Castiglione, James (1518) | Won 2-0 | +181536 |
| 7block | 157 | DeVault, Michael (1519) | Lost 1-2 | -181518 |
| top | average opponent: 1505record: 4-3 | new rating: 1518 | ||