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Tournaments played by Eric Zhan |
| Date | Name | Old rating | Current rating |
|---|---|---|---|
| 2010-05-09 | Ontario High School Chess Championship 2010 | 1021 | 1053 |
| 2008-04-06 | Toronto Qualifier | 1024 | 1021 |
| 2008-03-23 | Seneca Hill Junior Tournament | 1021 | 1024 |
| 2007-12-30 | Seneca Hill Chess Tournament | 1046 | 1021 |
| 2007-08-12 | Superfest 2007 | 1052 | 1046 |
| 2007-04-22 | Ontario Chess Challenge | 1044 | 1052 |
| 2007-04-15 | Toronto Chess Challenge | 1044 | 1044 |
| 2007-03-03 | Ontario Team - K-9 | 1063 | 1044 |
| 2007-02-18 | Canadian Jewish News Chess Challenge | 1062 | 1063 |
| 2006-11-25 | Toronto Team Tournament 7-9 | 1077 | 1062 |
| 2006-10-12 | Toronto Grand Prix | 1051 | 1077 |
| 2006-10-14 | Seneca Hill Chess Club | 1068 | 1051 |
| 2006-08-20 | 2006 Superfest - Super Festival 2006 | 1014 | 1068 |
| 2006-08-17 | Seneca Hill Summer 2 | 1029 | 1014 |
| 2006-08-10 | Seneca Hill Summer 1 | 1050 | 1029 |
| 2006-07-30 | Toronto Superfest Warm-Up | 1022 | 1050 |
| 2006-07-23 | Seneca Hill 500 | 984 | 1022 |
| 2006-06-25 | Seneca Hill 500 | 968 | 984 |
| 2006-06-11 | Seneca Hill 500 | 963 | 968 |
| 2006-06-03 | K-6 Quebec-Ontario Team Match | 957 | 963 |
| 2006-05-28 | Regular | 889 | 957 |
| 2006-05-07 | Grand Prix Toronto | 871 | 889 |
| 2006-04-30 | Seneca Hill 500 | 863 | 871 |
| 2006-04-16 | Seneca Hill 500 | 880 | 863 |
| 2006-04-02 | Toronto Qualifiers | 910 | 880 |
| 2006-03-05 | Toronto Team (K-6) | 932 | 910 |
| 2006-02-19 | Canadian Jewish News Chess Challenge | 934 | 932 |
| 2006-02-12 | Regular tournament | 919 | 934 |
| 2005-12-18 | Seneca Hill 500 | 945 | 919 |
| 2005-12-06 | Seneca Hill Public School | 917 | 945 |
| 2005-09-18 | Seneca Hill 500 | 926 | 917 |
| 2005-08-14 | Seneca Hill 500 | 960 | 926 |
| 2005-07-24 | Seneca Hill 500 | 964 | 960 |
| 2005-06-26 | Seneca Hill 500 | 1004 | 964 |
| 2005-06-12 | Seneca Hill 500 | 1008 | 1004 |
| 2005-05-22 | Seneca Hill 500 | 988 | 1008 |
| 2005-05-01 | Grand Prix | 1027 | 988 |
| 2005-04-24 | Quebec - Ontario Team Championship | 1010 | 1027 |
| 2005-04-17 | Ontario Chess Challenge | 1024 | 1010 |
| 2005-04-10 | Seneca Hill 500 | 982 | 1024 |
| 2005-03-06 | Seneca Hill 500 | 997 | 982 |
| 2005-02-27 | Regular Tournament | 1013 | 997 |
| 2005-02-05 | Toronto Team Championship | 1032 | 1013 |
| 2005-03-05 | Grand Prix | 1039 | 1032 |
| 2005-02-05 | Canadian Jewish News CC Regional | 1019 | 1039 |
| 2005-01-09 | Seneca Hill 500 | 965 | 1019 |
| 2005-01-23 | Regular Tournament | 889 | 965 |
| 2005-01-09 | Seneca Hill 500 | 878 | 889 |
| 2005-01-13 | Regular Tournament | 874 | 878 |
| 2004-12-04 | Oriole Winter Holiday | 899 | 874 |
| 2004-12-11 | Seneca Hill Public School | 902 | 899 |
| 2004-12-04 | Regular Tournament | 814 | 902 |
| 2004-11-15 | Regular Tournament | 840 | 814 |
| 2004-11-21 | Regular Tournament | 828 | 840 |
| 2004-12-09 | Regular Tournament | 744 | 828 |
| 2004-11-11 | Seneca Hill 600 | 761 | 744 |
| 2004-11-06 | Toronto Grand Prix 2004/05 - 1 | 721 | 761 |
| 2004-12-19 | Seneca Hill 600 | 715 | 721 |
| 2004-12-12 | Seneca Hill 600 | 710 | 715 |
| 2004-06-19 | Seneca Hill 600 | 658 | 710 |
| 2004-05-27 | Seneca Hill 600 | 696 | 658 |
| 2004-06-05 | Seneca Hill 600 | 713 | 696 |
| 2004-05-26 | Seneca Hill 600 | 711 | 713 |
| 2004-04-29 | Seneca Hill 600 | 643 | 711 |
| 2004-04-03 | Oriole March Break | 646 | 643 |
| 2004-02-14 | Agincourt Regional | 647 | 646 |
| 2004-04-17 | Toronto Team Tournement (K-6) | 645 | 647 |
| 2004-02-06 | Regular Tournament | 660 | 645 |
| 2004-01-30 | Regular Tournament | 560 | 660 |
| 2004-01-17 | Regular Tournament | 551 | 560 |
| 2003-12-06 | Oriole Christmas Junior | 507 | 551 |
| 2003-12-04 | Thornhill Sunday Chess | 481 | 507 |
| 2003-11-23 | Thornhill Sunday Chess | 463 | 481 |
| 2003-11-16 | Thornhill Sunday Chess | 487 | 515 |
| 2003-11-16 | Thornhill Sunday Chess | 515 | 463 |