Vadnais, Sean
Current rating: 1485
Record: 5-6
| Grand Prix Kansas City 2008 (ALA limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 24 | McGregor, Ben (1500) | Won 2-1 | +181501 |
| 2sealed | 139 | Morrow, Tom (1518) | Won 2-0 | +181519 |
| 3sealed | 136 | Picard, Pete (1500) | Lost 0-2 | -181501 |
| 4sealed | 155 | Bragg, Daniel (1529) | Lost 0-2 | -171484 |
| 5sealed | 195 | Kunz, Erich (1584) | Won 2-1 | +191503 |
| 6sealed | 128 | Kornblum, Noel (1501) | Lost 1-2 | -181485 |
| average opponent: 1522record: 3-3 | new rating: 1485 | |||
| Grand Prix Detroit 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Thompson, Steven (1500) | Lost 1-2 | -181482 |
| 2sealed | 152 | Falcon, Jon (1467) | Lost 1-2 | -181464 |
| 3sealed | 192 | Bortels, Jared (1464) | Won 2-1 | +181482 |
| 4sealed | 185 | Laxen, Zach (1484) | Won 2-0 | +181500 |
| 5sealed | 141 | Kanon, Kyle (1554) | Lost 0-2 | -171483 |
| average opponent: 1494record: 2-3 | new rating: 1483 | |||