| Tournament date | Date rated | Name | Old rating | Rating |
| 2012-02-02 | 2012-02-08 | Collingwood Public Library Chess Club [Section 1] | 817 | 828 |
| 2011-05-26 | 2011-06-02 | Collingwood Junior Knights [Section 4] | 837 | 817 |
| 2011-05-26 | 2011-06-02 | Collingwood Junior Knights [Section 2] | 823 | 837 |
| 2011-05-19 | 2011-05-25 | Collingwood Junior Knights [Section 3] | 856 | 823 |
| 2011-05-05 | 2011-05-10 | Collingwood Junior Knights [Section 3] | 845 | 856 |
| 2011-04-21 | 2011-04-29 | Collingwood Junior Knights [Section 3] | 815 | 845 |
| 2011-04-21 | 2011-04-29 | Collingwood Junior Knights [Section 3] | 767 | 815 |
| 2011-04-21 | 2011-04-29 | Collingwood Junior Knights [Section 1] | 747 | 767 |
| 2011-03-31 | 2011-04-12 | collingwood Junior knights [Section 1] | 713 | 747 |
| 2011-04-07 | 2011-04-08 | Simcoe County Optimist Chess Challenge [Section 7] | 717 | 713 |
| 2011-03-10 | 2011-03-21 | collingwood Junior knights [Section 2] | 713 | 717 |
| 2011-02-03 | 2011-03-11 | Collingwood Junior knights [Section 2] | 649 | 713 |
| 2011-02-17 | 2011-03-01 | collingwood Junior knights [Section 1] | 650 | 649 |
| 2011-02-10 | 2011-02-24 | collingwood junior knights [Section 3] | 663 | 650 |
| 2011-02-03 | 2011-02-11 | collingwood junior knights [Section 2] | 579 | 663 |
| 2011-01-21 | 2011-01-28 | collingwood junior knights [Section 2] | 573 | 579 |
| 2011-01-14 | 2011-01-25 | collingwood junior knights [Section 1] | 515 | 573 |
| 2010-12-09 | 2011-01-05 | collingwood junior knights [Section 3] | 517 | 515 |
| 2010-12-09 | 2011-01-05 | collingwood junior knights [Section 3] | 483 | 517 |
| 2010-11-26 | 2010-11-30 | collingwood junior kinights [Section 1] | 0 | 483 |
