Harvey, David [USA]
Current rating: 1421
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 173 | Adams, Ken (1758) | Lost 1-2 | -121437 |
| 3standard | 561 | Badillo, Rogelio (1524) | Lost 0-2 | -171420 |
| 4standard | 613 | Vinson, Gary (1447) | Won 2-0 | +191439 |
| 5standard | 431 | McCord, Alec (1463) | Lost 0-2 | -181421 |
| top | average opponent: 1548record: 1-3 | new rating: 1421 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 421 | Buck, Thomas (1485) | Lost 1-2 | -181445 |
| 2sealed | 631 | Belanger, Kyle (1481) | Won 2-0 | +191464 |
| 3sealed | 573 | Milosevic, Marko (1500) | Won 2-0 | +181482 |
| 4sealed | 497 | Umile, Zeke (1602) | Lost 0-2 | -151467 |
| 5sealed | 645 | Godek, Jesse (1498) | Lost 0-2 | -181449 |
| top | average opponent: 1513record: 2-3 | new rating: 1449 | ||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 67 | Milheim, Benjamin (1500) | Won 2-1 | +181518 |
| 2extended | 224 | Campbell, Blaine (1500) | Lost 1-2 | -181500 |
| 3extended | 244 | Senneway, Bill (1483) | Won 2-1 | +171517 |
| 4extended | 175 | Dobbertin, Ty (1544) | Lost 0-2 | -171500 |
| 5extended | 253 | Nelms, Kemp (1451) | Won 2-0 | +171517 |
| 6extended | 166 | Chamberlain, Bryan (1526) | Lost 0-2 | -181499 |
| 7extended | 245 | Carrier, Evan (1468) | Lost 0-2 | -181481 |
| 8extended | 202 | Kelley, Jason (1484) | Lost 0-2 | -181463 |
| top | average opponent: 1495record: 3-5 | new rating: 1463 | ||