Marquis, Guillaume
Current rating: 1395
Record: 2-8
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1424 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 149 | Lavoie, Randy (1530) | Lost 0-2 | -161408 |
| 2sealed | 282 | Lavoie, Philippe (1553) | Won 2-0 | +211429 |
| 3sealed | 299 | Reid, Rick (1501) | Lost 0-2 | -171412 |
| 4sealed | 462 | Ang, Shawn (1482) | Lost 0-2 | -171395 |
| average opponent: 1517record: 1-3 | new rating: 1395 | |||
| Grand Prix Montreal 2017 (AKH standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 2185 | Laporte, Gregory (1452) | Lost 0-2 | -191481 |
| 2standard | 2241 | Hoffer, Joey (1434) | Lost 0-2 | -191462 |
| 3standard | 2393 | Sumpter, Niki (1464) | Won 2-1 | +181480 |
| 4standard | 2371 | Jensen, Peter (1470) | Lost 0-1 | -181462 |
| 5standard | 2362 | Benford, Philip (1418) | Lost 0-2 | -191443 |
| 6standard | 2364 | Moran, Sylas (1370) | Lost 0-2 | -191424 |
| average opponent: 1435record: 1-5 | new rating: 1424 | |||