Jordon, Derek
Current rating: 1519
Record: 4-3
| Grand Prix Boston 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 109 | Janowski, Thomas (1556) | Won 2-1 | +191519 |
| 2extended | 75 | Stein, Michael (1528) | Lost 1-2 | -181501 |
| 3extended | 235 | Andreadakis, Jonathan (1500) | Won 2-1 | +181519 |
| 4extended | 155 | Seakine, Dustin (1519) | Won 2-1 | +181537 |
| 5extended | 136 | Murray, Adam (1536) | Won 2-0 | +181555 |
| 6extended | 56 | Elliott, Marcus (1552) | Lost 0-2 | -181537 |
| 7extended | 106 | Vaisberg, Elias (1535) | Lost 0-2 | -181519 |
| average opponent: 1532record: 4-3 | new rating: 1519 | |||