Blanchette, John
Current rating: 1444
Record: 1-4-1
| Grand Prix Boston 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 117 | Gibbs, Jackie (1500) | Lost 0-2 | -181482 |
| 2extended | 255 | Durney, Ryan (1473) | Won 2-1 | +181500 |
| 3extended | 175 | Werle, Scott (1500) | Lost 1-2 | -181482 |
| 4extended | 292 | Denholm, Derek (1465) | Draw 1-1 | 01482 |
| 5extended | 246 | Kirby, Nigel (1415) | Lost 0-2 | -201462 |
| 6extended | 223 | Wang, Ziteng (1446) | Lost 0-2 | -181444 |
| average opponent: 1466record: 1-4-1 | new rating: 1444 | |||