Grandmaison, Carl
Current rating: 1481
Record: 3-4-1
| Grand Prix Montreal 2011 (M12 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 174 | Hartman, Dan (1470) | Lost 0-2 | -191481 |
| 2sealed | 193 | Kelahan, Ciaran (1455) | Draw 1-1 | 01481 |
| 3sealed | 193 | Breitman, Alan (1482) | Won 2-0 | +181499 |
| 4sealed | 162 | Parker, Gregory (1468) | Won 2-1 | +171516 |
| 5sealed | 118 | Duchemin, Louis (1520) | Won 2-1 | +181534 |
| 6sealed | 77 | Martoni, Tim (1490) | Lost 0-2 | -181516 |
| 7sealed | 115 | Garcia, Mark (1577) | Lost 0-2 | -171499 |
| 8sealed | 109 | Sun, Richard (1500) | Lost 0-2 | -181481 |
| average opponent: 1495record: 3-4-1 | new rating: 1481 | |||