Castonguay, Vincent
Current rating: 1525
Record: 4-3
| Grand Prix Quebec City 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 11 | Nguyen, Thien (1818) | Lost 0-2 | -121488 |
| 4standard | 225 | Milne, Nic (1561) | Lost 1-2 | -171471 |
| 5standard | 226 | Ben Amor, Shams Eddine (1502) | Won 2-1 | +191490 |
| 6standard | 161 | Steffe, Sebastian (1504) | Won 2-0 | +181508 |
| 7standard | 137 | Fang, Kevin (1433) | Lost 0-2 | -201488 |
| 8standard | 157 | Belanger, Patrick (1492) | Won 0-0 | +181506 |
| 9standard | 92 | McClintock, Andrew (1537) | Won 2-1 | +191525 |
| average opponent: 1550record: 4-3 | new rating: 1525 | |||