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Tournaments played by Mark Yatchew |
| Date | Name | Old rating | Current rating |
|---|---|---|---|
| 2010-03-06 | Ontario Team Chess Championship | 523 | 671 |
| 2009-03-07 | Ontario Team Championship (K-3) | 431 | 523 |
| 2009-02-13 | Midtown Toronto District | 301 | 431 |
| 2008-03-01 | Ontario Team Championships (K - 3) | 277 | 301 |
| 2007-11-24 | Toronto Team Championships (K - 3) | 270 | 277 |
| 2006-11-25 | 2006 Toronto Team Championship - K-3 - Extra games | 286 | 270 |
| 2006-11-25 | Toronto Team Tournament K-3 | 0 | 286 |