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Tournaments played by Preston Roberts |
| Date | Name | Old rating | Current rating |
|---|---|---|---|
| 2008-04-13 | Ontario Chess Challenge | 711 | 701 |
| 2008-03-28 | 2008 Trillium Lakelands DSB Championship | 513 | 711 |
| 2007-04-15 | Toronto Chess Challenge | 536 | 513 |
| 2007-03-23 | 2007 TLDSB Chess Championships | 520 | 536 |
| 2006-04-02 | Toronto Qualifiers | 507 | 520 |
| 2005-04-17 | Ontario Chess Challenge | 507 | 507 |
| 2005-03-23 | Trilllium Lakelands D.S.B. Chess Championship | 339 | 507 |
| 2004-03-09 | Canadian Chess Challenge - Ontario Provincials | 375 | 339 |