Joseph, Dustin
Current rating: 1528
| Grand Prix Oakland 2004 (DST limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 24 | DeGuzman, Gabriel (1500) | Won 2-0 | +181520 |
| 2sealed | 76 | Truong, Stanley (1518) | Won 2-0 | +181538 |
| 3sealed | 12 | Chen, Howard (1536) | Won 2-0 | +181556 |
| 4sealed | 54 | Bulthaup, Sean (1620) | Lost 0-2 | -171539 |
| 5sealed | 40 | Harvey, Eugene (1941) | Lost 0-2 | -111528 |
| 6sealed | 105 | Henderson, Paul (1520) | Won 2-1 | +181546 |
| 7sealed | 85 | Murray, Christopher (1541) | Lost 0-2 | -181528 |
| top | average opponent: 1597record: 4-3 | new rating: 1528 | ||
| Grand Prix Anaheim 2003 (extended) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 73 | Grasser, Jonathan (1500) | Won 2-0 | +181540 |
| 2extended | 17 | Pust, Jonathan (1391) | Lost 1-2 | -211519 |
| 3extended | 82 | Gripkey, Christopher (1500) | Won 2-1 | +181537 |
| 4extended | 51 | Swarowski, Robert (1674) | Lost 1-2 | -161521 |
| 5extended | 94 | Rodriguez, Colin (1468) | Lost 0-2 | -191502 |
| top | average opponent: 1506record: 2-3 | new rating: 1502 | ||
| Grand Prix Las Vegas 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 93 | Redden, Alan (1500) | Won 2-0 | +181518 |
| 2extended | 61 | Higashi, Chris (1641) | Lost 1-2 | -161502 |
| 3extended | 95 | Dove, Michael (1538) | Won 2-0 | +191521 |
| 4extended | 77 | McCandless, Alan (1623) | Won 2-0 | +201541 |
| 5extended | 74 | Gutierrez, Daniel (1536) | Lost 0-2 | -181523 |
| 6extended | 101 | Kuehl, Christopher (1511) | Won 2-0 | +171540 |
| 7extended | 54 | Flores, Michael (1538) | Lost 0-2 | -181522 |
| top | average opponent: 1555record: 4-3 | new rating: 1522 | ||