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Tournaments played by Isaac MacDonald |
| Date | Name | Old rating | Current rating |
|---|---|---|---|
| 2010-04-08 | Waterloo Chess Challenge | 994 | 1054 |
| 2010-02-14 | KW Youth Monthly Tournament | 998 | 994 |
| 2009-04-26 | Ontario Chess Challenge | 995 | 998 |
| 2009-04-02 | Waterloo Regional Chess Challenge | 883 | 995 |
| 2009-03-15 | KW Youth Chess Tournament | 884 | 883 |
| 2009-02-08 | KW Youth Chess Tournament | 852 | 884 |
| 2008-06-15 | KWYCC Chess Tournament | 918 | 852 |
| 2008-04-13 | Ontario Chess Challenge | 830 | 918 |
| 2008-04-05 | Guelph Regional Chess Challenge | 801 | 830 |
| 2008-04-06 | Toronto Qualifier | 805 | 801 |
| 2008-03-27 | Waterloo Regional Chess Challenge | 794 | 805 |
| 2008-03-16 | KWYCC Chess Tournament | 786 | 794 |
| 2008-02-10 | KWYCC Chess Tournament | 734 | 786 |
| 2008-01-13 | KWYCC Chess Tournament | 772 | 734 |
| 2007-11-11 | KWYCC Chess Tournament | 714 | 772 |
| 2007-10-21 | KWYCC Chess Tournament | 602 | 714 |
| 2007-09-09 | KWYCC Chess Tournament | 534 | 602 |
| 2007-08-19 | KW Youth CC August Tourney | 524 | 534 |
| 2007-06-10 | KW Youth Tournament | 0 | 524 |