Games played by Guy Lacourse
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Dallaire, D | 1688 | Lacourse, G | 1640 | 1-0  |
29 | B22 | 2003 | Hull district op |
|
| Lacourse, G | 1580 | Marghetis, A | 1764 | 1-0 |
75 | E68 | 2003 | Roland Gaudet mem |
|
| Lacourse, G | Thomann, O | 0-1 |
36 | E68 | 1999 | Roland Gaudet mem |
|