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Tournaments played by Jeffrey Xu |
| Date | Name | Old rating | Current rating |
|---|---|---|---|
| 2013-05-26 | Ontario High School Chess Championship 2013 | 1772 | 1767 |
| 2013-05-05 | Chess Grand Prix III Toronto | 1747 | 1772 |
| 2013-04-21 | 2013 Ontario Chess Challenge | 1719 | 1747 |
| 2013-03-03 | OCC North York Regionals | 1698 | 1719 |
| 2013-02-03 | Chess Grand Prix II Toronto | 1708 | 1698 |
| 2013-01-20 | Ontario Chess Challenge Qualifier | 1681 | 1708 |
| 2012-11-11 | Grand Prix I | 1689 | 1681 |
| 2012-05-13 | GRAND PRIX Event #3 | 1609 | 1689 |
| 2012-04-22 | 2012 Ontario Chess Challenge | 1590 | 1609 |
| 2012-04-11 | Creative | 1578 | 1590 |
| 2012-03-11 | SH Regionals (G.4 to 6) | 1545 | 1578 |
| 2012-02-26 | February 26th Scholastic | 1465 | 1545 |
| 2012-02-05 | GRAND PRIX Event #2 | 1379 | 1465 |
| 2012-01-22 | January Scholastic | 1374 | 1379 |
| 2012-01-15 | regular | 1355 | 1374 |
| 2011-11-13 | GRAND PRIX Event #1 | 1309 | 1355 |
| 2011-09-11 | The Knights of Chess Open Championship 2011 | 1263 | 1309 |
| 2011-07-07 | Canadian Youth Chess Championships - 2011 | 1284 | 1263 |
| 2011-07-05 | regular | 1303 | 1284 |
| 2011-07-05 | regular | 1319 | 1303 |
| 2011-06-26 | regular | 1318 | 1319 |
| 2011-06-05 | 5 June Scholastic | 1295 | 1318 |
| 2011-05-01 | Grand Prix #3 | 1275 | 1295 |
| 2011-04-17 | Ontario Chess Challenge | 1262 | 1275 |
| 2011-04-10 | Final Toronto Qualifier | 1257 | 1262 |
| 2011-03-27 | Ontario Chess Challenge Qualifier | 1229 | 1257 |
| 2011-03-13 | Toronto Youth Championship | 1225 | 1229 |
| 2011-02-20 | regular | 1204 | 1225 |
| 2011-02-06 | Grand Prix II | 1185 | 1204 |
| 2011-01-23 | regular | 1197 | 1185 |
| 2011-01-16 | regular | 1197 | 1197 |
| 2011-01-09 | regular | 1178 | 1197 |
| 2010-12-05 | regular | 1162 | 1178 |
| 2010-11-28 | regular | 1151 | 1162 |
| 2010-11-21 | regular | 1134 | 1151 |
| 2010-11-07 | Grand Prix I | 1119 | 1134 |
| 2010-10-17 | regular | 1118 | 1119 |
| 2010-10-03 | regular | 1146 | 1118 |
| 2010-09-26 | regular | 1100 | 1146 |
| 2010-09-19 | regular | 1132 | 1100 |
| 2010-09-12 | The Knights of Chess Open Championship | 1120 | 1132 |
| 2010-06-13 | Regular | 1114 | 1120 |
| 2010-06-06 | Regular | 1052 | 1114 |
| 2010-05-30 | Regular | 992 | 1052 |
| 2010-05-16 | Regular | 922 | 992 |
| 2010-05-09 | Regular | 934 | 922 |
| 2010-05-02 | Scholastic Grand Prix 2009-2010 (3 of 3) | 935 | 934 |
| 2010-04-18 | 2010 Ontario Chess Challenge | 916 | 935 |
| 2010-04-11 | Toronto Regional Qualifier - Tournament #2 | 810 | 916 |
| 2010-03-28 | Toronto Regional Qualifier - Tournament #1 | 720 | 810 |
| 2010-03-21 | regular March 16-21 | 632 | 720 |
| 2009-09-27 | 1st Regular Scholastic Tournament of the year! | 484 | 632 |
| 2009-09-20 | REGULAR | 0 | 484 |