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Tournaments played by William Sun |
| Date | Name | Old rating | Current rating |
|---|---|---|---|
| 2013-05-23 | Windsor Park May 2013 Class | 600 | 583 |
| 2013-02-22 | Windsor Park Fridays February 2013 Class | 552 | 600 |
| 2013-01-14 | Windsor Park Fridays January 2013 Class | 543 | 552 |
| 2012-12-01 | Windsor Park Fridays December 2012 | 555 | 543 |
| 2012-10-12 | Windsor Park Fridays October 2012 Class | 501 | 555 |
| 2012-06-18 | Windsor Park Mondays June 2012 Class | 516 | 501 |
| 2012-05-28 | Windsor Mondays May 2012 Class | 472 | 516 |
| 2012-03-09 | Windsor Park Invitational | 482 | 472 |
| 2012-02-01 | Windsor Park Advance January 2012 Class | 462 | 482 |
| 2011-06-13 | Windsor Park June 2011 Class | 467 | 462 |
| 2011-04-11 | Windsor Park April 2011 Class | 463 | 467 |
| 2011-03-20 | Edmonton Regional Chess Challenge 2011 | 459 | 463 |
| 2009-11-07 | Saturday Morning Knights November 2009 | 470 | 459 |
| 2009-10-03 | Saturday Knights Club #1 | 0 | 470 |