| 114642 | 2021-05-14 | VCS Group tournament (Pre-Bishop) - Maxim Doroshenko - Vancouver Chess School (Vancouver, BC) - 20 players |
| 114641 | 2021-05-13 | VCS Online Thursday Quads - Maxim Doroshenko - Vancouver Chess School (Vancouver, BC) - 12 players |
| 114640 | 2021-05-12 | VCS Group tournament (Pre-Knight) - Maxim Doroshenko - Vancouver Chess School (Vancouver, BC) - 26 players |
| 114639 | 2021-05-11 | VCS Group tournament (Pre-Bishop) - Maxim Doroshenko - Vancouver Chess School (Vancouver, BC) - 10 players |
| 114638 | 2021-05-11 | VCS Online Tuesday Quads - Maxim Doroshenko - Vancouver Chess School (Vancouver, BC) - 14 players |
| 114637 | 2021-05-10 | VCS Group tournament (Knight) - Maxim Doroshenko - Vancouver Chess School (Vancouver, BC) - 31 players |
| 114636 | 2021-05-10 | VCS Group tournament (Pre-Knight) - Maxim Doroshenko - Vancouver Chess School (Vancouver, BC) - 14 players |
| 114635 | 2021-05-09 | New Brunswick Chess Challenge Qualifier - Eric Robitaille - New-Brunswick Chess’n Math Association (Moncton, NB) - 448 players |
| 114634 | 2021-05-08 | Seneca Hill April 2021 - Corinna Wan - Seneca Hill Chess (Toronto, ON) - 99 players |
| 114633 | 2021-05-09 | 3e Qualification du Défi Échiquéen du Québec - Virginie Roux - Association Échecs et Maths (Montréal, QC) - 49 players |
| 114632 | 2021-05-09 | Championnat féminin du Québec - Virginie Roux - Association Échecs et Maths (Montréal, QC) - 33 players |
| 114631 | 2021-05-09 | Seneca Hill Sunday Tournament OCC Qualifier - Corinna Wan - Seneca Hill Chess (Toronto, ON) - 81 players |
| 114630 | 2021-05-08 | VCS Monthly Class Championship - Maxim Doroshenko - Vancouver Chess School (Vancouver, BC) - 58 players |
| 114629 | 2021-05-08 | Club d'échecs du samedi - Virginie Roux - Association Échecs et Maths (Montreal , QC) - 24 players |
| 114628 | 2021-05-06 | VCS Online Thursday Quads - Maxim Doroshenko - Vancouver Chess School (Vancouver, BC) - 17 players |
| 114627 | 2021-05-01 | Tournoi de qualification de l'Outaouais pour le Défi échiquéen du Québec - Hubert Séguin / Nicolas Dupont-Mageau (Gatineau, QC) - 48 players |
| 114626 | 2021-05-04 | VCS Online Tuesday Quads - Maxim Doroshenko - Vancouver Chess School (Vancouver, BC) - 14 players |
| 114625 | 2021-05-01 | VCS Online Saturday Quads (U450) - Maxim Doroshenko - Vancouver Chess School (Vancouver, BC) - 3 players |
| 114624 | 2021-05-01 | PEI Provincial Chess Challenge - Leslie Armstrong - Prince Edward Island Youth Chess Association (PEIYCA) (Online, PEI) - 23 players |
| 114623 | 2021-05-02 | Spring Trio CMA Online Tournament May 2, 2021 - Francis Rodrigues - Chess'n Math Association (Toronto, ON) - 343 players |
