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Tournaments played by Cody Williams |
| Date | Name | Old rating | Current rating |
|---|---|---|---|
| 2011-03-25 | Trillium Lakelands District School Board | 406 | 460 |
| 2007-03-23 | 2007 TLDSB Chess Championships | 330 | 406 |
| 2006-03-24 | TLDSB Chess Championship | 346 | 330 |
| 2005-03-23 | Trilllium Lakelands D.S.B. Chess Championship | 0 | 346 |