Lafrance, Guillaume
Current rating: 1487
Record: 3-4
| Grand Prix Montreal 2019 (ELD limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 141 | Dziambor, William (1424) | Lost 0-2 | -191479 |
| 2sealed | 409 | Witkowsky, Ariel (1482) | Won 2-1 | +181497 |
| 3sealed | 213 | Storey, Aiden (1545) | Won 2-1 | +191516 |
| 4sealed | 167 | Ferrando, Matthew (1909) | Lost 0-2 | -111505 |
| 5sealed | 227 | David-Lamothe, Charles (1546) | Lost 0-2 | -181487 |
| average opponent: 1581record: 2-3 | new rating: 1487 | |||
| Grand Prix Toronto 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 423 | Capriolo-Morris, Primo (1505) | Won 2-1 | +181518 |
| 2modern | 304 | Malone, Justin (1414) | Lost 0-2 | -201498 |
| average opponent: 1460record: 1-1 | new rating: 1498 | |||