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Tournaments played by Mark McWhinney |
| Date | Name | Old rating | Current rating |
|---|---|---|---|
| 2007-12-15 | December swiss | 521 | 522 |
| 2007-03-31 | Windsor regional playoffs | 528 | 521 |
| 2007-01-27 | Jan 27 Swiss (morning) | 514 | 528 |
| 2007-01-13 | January swiss - afternoon | 497 | 514 |
| 2006-03-04 | Windsor Chess Challenge playoffs | 550 | 497 |
| 2006-01-28 | January practice tournament (pm) | 434 | 550 |
| 2006-01-14 | January practice tournament (pm) | 414 | 434 |
| 2005-03-05 | Windsor Regional Playoffs | 380 | 414 |