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Tournaments played by David Zhou |
| Date | Name | Old rating | Current rating |
|---|---|---|---|
| 2005-02-05 | CCC 2005 Newfoundland East Regional | 956 | 947 |
| 2004-12-04 | Macdonald Drive Clubs Christmas Tournament | 946 | 956 |
| 2004-10-28 | Lakecrest Open 2004 | 926 | 946 |
| 2004-04-04 | NL Individual Championship 2004 | 956 | 926 |
| 2004-04-15 | NL Team Championship 2004 | 870 | 956 |
| 2004-05-07 | CCC NFLD Provincial Finals | 875 | 870 |
| 2004-02-08 | CCC Regional B | 914 | 875 |
| 2003-11-28 | Bishop Abraham Open 2003 | 756 | 914 |
| 2003-11-16 | Queen's Open | 694 | 756 |
| 2003-10-18 | Cowan Heights 1st Chess Carnival | 686 | 694 |