Ouellet learned to play chess as a child and began competing in tournaments at 7 years of age.[2][3]
In 2014, Ouellet won the Canadian Youth Chess Championship in the girls U12 age group.[4] In 2018, she won the girls U16 & U18 category.[5]
In 2017, she won the Women's Canadian Chess Championship, which also acted as the women's Zonal 2.1 tournament that year, which qualified her for the Women's World Chess Championship 2018 (November).[6][7]
Ouellet has played for Canada three times in the Women's Chess Olympiad:
In 2016, she was awarded the Woman International Master (WIM) title.[11] She received the Woman Grandmaster (WGM) title in 2020 for winning the 2019 American Continental Women's Championship in Aguascalientes, Mexico.[3][12]
In April 2022, Ouellet won the 2022 Canadian Women's Chess Championship in Kingston, Ontario, with a perfect score of 9/9.[13][14]
On April 4th, 2024, Ouellet won the 2024 Canadian Women's Chess Championship. She won with a score of 7.5/9 beating Svitlana Demchenko on tiebreaks. [15]
On April 7th, 2026, Ouellet won the 2026 Canadian Women's Chess Championship in Montreal, Quebec, with a score of 8.5/9. This marked her fourth national championship. [16]