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Chess'n Math Association
Canada's National Scholastic Chess Organization
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– Lessons
–– Our chess programs
–– Chess in schools
–– Evening programs
–– Chess clubs
––– Saturday Junior Chess Club of Montreal
–– Other courses
–– Lessons schedule
––– Montreal
––– Toronto
–– In your neighbourhood
– Camps
–– Our Chess Camps
–– PA Day programs
–– Camps Schedule
––– Montreal
––– Toronto
– Tournaments
–– Our scholastic tournaments
–– Tournaments rated list
–– Upcoming tournaments
–– Pairings
– Ratings
–– The scholastic rating
–– Ratings & Top players list
–– Tournaments rated list
–– How to have your tournaments rated?
–– Rating adjustment for Non CMA Tournaments
–– CMA rating conversion
–– Organizers portal
– Store
– About us
–– Who are we?
–– Our team
–– Why chess?
–– Employment Opportunities
– Excellence program
–– CMA Chess Excellence Program
–– 2023-2024 Recipients
–– 2018-2019 Recipients
–– Player of the Year 2018-19
– Provincial partners
– Partner Events
– Canadian Chess Challenge
–– 2025 Ottawa
–– Schedule
–– Participants
–– Chess Challenge Rules
–– Pairings - Results - Standings
– Calendar
–– This month's activities
–– Activities by province
–– Activities by cities
–– Activities by category
––– Tournaments
––– Camps
––– Clubs
––– Course
––– Other
–– Annual view
–– Monthly view
–– Download our calendar (MTL)
– News
–– Blog
––– Blog | Montreal
––– Blog | Toronto
–– Scholar's Mate
–– Mailing List
––– Montreal
––– Toronto
Ratings and tournaments played
Ma Derek
Rating : 2299
Max rating : 2300
Games played this year : 0
Total number of games : 381
Tournaments played by
Ma Derek
Tournaments played by
Ma Derek
Tournament date
Date rated
Name
Old rating
Rating
2020-03-07
2020-03-09
2020 MB Provincial Chess Championships [Grade 12]
2300
2299
2020-01-26
2020-01-28
Grand Prix Scholastic #3 [690 - 774]
2284
2300
2019-12-01
2019-12-06
Regular Scholastic #3 [877 - 1085]
2264
2284
2019-11-24
2019-11-29
2019 MB Scholastic Open Chess Championship [Section 1]
2260
2264
2019-11-03
2019-11-06
Grand Prix Scholastic #2 [858 - 1088]
2276
2260
2019-09-29
2019-10-01
Grand Prix Scholastic #1 [859 - 1054]
2247
2276
2019-09-15
2019-09-19
Regular Scholastic #1 [1305 - 2246]
2246
2247
2019-05-20
2019-05-30
31st Annual Canadian Chess Challenge - 31e Édition du Défi Échiquéen National [Grade 11]
2220
2246
2019-03-09
2019-03-11
2019 MB Provincial Chess Championships [Grade 11]
2191
2220
2019-02-24
2019-02-27
Grand Prix Scholastic #4 [Section 5]
2159
2191
2019-01-27
2019-01-28
Grand Prix Scholastic #3 [Section 4]
2125
2159
2018-11-25
2018-11-27
MB Scholastic Open Championship [Section 1]
2105
2125
2018-11-04
2018-11-05
Grand Prix Scholastic #2 [Section 3]
2088
2105
2018-10-14
2018-10-15
Regular Scholastic #2 [1271 - 2068]
2068
2088
2018-09-30
2018-10-05
Grand Prix Scholastic #1 [Section 3]
2030
2068
2018-09-27
2018-09-27
Ajustement Kiril Adjustment [Section 1]
1882
2030
2018-09-16
2018-09-24
Regular Scholastic Chess Tournament #1 [1300 - 1856]
1856
1882
2018-05-21
2018-05-23
30th Annual Canadian Chess Challenge - 30e Édition du Défi Échiquéen National [Grade 9]
1786
1856
2018-05-06
2018-05-07
May Regular Sunday 2018 [unr. - 491]
1766
1786
2018-03-11
2018-03-12
2018 MB Provincial Chess Championships [Grade 10]
1760
1766
2018-02-25
2018-02-27
March Regular Sunday 2018 [1247 - 1830]
1830
1760
2017-12-10
2017-12-11
2017 MB Scholastic Open Chess Championship [Section 1]
1805
1830
2017-05-22
2017-05-25
29th Annual Canadian Chess Challenge [Grade 9]
1758
1805
2017-04-30
2017-05-01
May Regular Sunday 2017 [754 - 889]
1754
1758
2017-04-09
2017-04-10
April Regular Sunday 2017 [1203 - 1734]
1734
1754
2017-03-12
2017-03-13
Manitoba Provincials 2017 [Section 9]
1719
1734
2017-02-05
2017-02-06
February Regular Sunday 2017 [Section 7]
1691
1719
2016-05-23
2016-05-27
2016 Canadian Chess Challenge [Grade 8]
1613
1691
2016-05-01
2016-05-02
May Regular Sunday 2016 [Section 1]
1609
1613
2016-04-10
2016-04-11
April Regular Sunday 2016 [unr. - 702]
1622
1609
2016-03-13
2016-03-14
Manitoba Scholastic Provincials 2016 [Section 8]
1586
1622
2015-03-15
2015-03-16
2015 Manitoba Provincial Chess Championships [Section 7]
1607
1586
2014-05-19
2014-05-22
Canadian Chess Challenge 2014 [Grade 5]
1564
1607
2014-04-13
2014-04-15
Regular April Tournament [Section 1]
1547
1564
2014-03-10
2014-03-17
MB Provincial Scholastic Championship [Section 5]
1518
1547
2014-02-23
2014-02-25
Regular March Tournament [988-1493]
1493
1518
2014-01-12
2014-01-17
Regular January Tournament [Section 2]
1477
1493
2013-12-01
2013-12-05
Regular December Tournament [Section 1]
1461
1477
2013-10-20
2013-10-22
October Regular Tournament [Section 2]
1464
1461
2013-09-29
2013-09-30
September Regular Tournament [Section 2]
1414
1464
2013-05-20
2013-05-24
25th Annual Canadian Chess Challenge - 25e Édition du Défi échiquéen national [Grade 4]
1376
1414
2013-04-14
2013-04-15
Regular April 2013 [Section 1]
1328
1376
2013-03-10
2013-03-12
MB Provincial Championship [Grade 12]
1278
1328
2013-01-13
2013-01-15
Regular January 2013 [Unr-1356]
1356
1278
2012-09-30
2012-10-12
Regular September Tournament 2012 [Section : 925 - 1354]
1354
1356
2012-05-21
2012-05-23
24th Annual Canadian Chess Challenge [Grade 4]
1254
1354
2012-05-06
2012-05-11
Regular May Tournament 2012 [Section 1]
1225
1254
2012-04-15
2012-04-20
Regular Scholastic Chess Tournament [Section 1]
1169
1225
2012-03-18
2012-03-21
Manitoba Provincial Chess Championships 2012 (Grade 5 to 12) [Grade 5]
1144
1169
2012-03-11
2012-03-16
Manitoba Provincial Chess Champioships 2012 (Grade 1 to 4) [Grade 3]
1135
1144
2012-02-26
2012-03-09
Regular Scholastic Tournament [Section : 909 - 1249]
1143
1135
2011-03-20
2011-03-25
Manitoba Provincial Chess Championship [Grade 3]
1156
1143
2011-02-27
2011-03-04
Regular Scholastic Tournament [Section : 1078 - 1808]
1127
1156
2011-01-16
2011-01-21
Regular Scholastic Tournament [Section : 1053 - 1370]
1131
1127
2010-05-02
2010-05-12
Regular May Tournement 2010 [Section 3]
1111
1131
2010-04-11
2010-04-21
Tournoi scolaire régulier [Section 1]
1069
1111
2010-03-26
2010-03-26
Manitoba Provincial (Grade 1 to 4) [Grade 2]
1064
1069
2010-02-28
2010-03-04
Tournoi scolaire régulier [Section 1]
1097
1064
2010-02-07
2010-02-16
Tournoi scolaire régulier [Section 1]
1082
1097
2010-01-17
2010-01-22
Tournoi scolaire régulier [Section 1]
1030
1082
2009-12-06
2009-12-10
Regular Scholastic Tournament [Section 1]
1054
1030
2009-11-08
2009-11-13
Regular Scholastic Tournament [Section 1]
1043
1054
2009-10-18
2009-10-23
Regular Scholastic Tournament [Section 1]
1070
1043
2009-09-27
2009-10-06
Regular Scholastic Tournament [Section 2]
986
1070
2009-06-14
2009-06-18
2009 Manitoba Youth Championships [Section 1]
956
986
2009-05-03
2009-05-07
Regular Tournament [Section 1]
910
956
2009-04-19
2009-04-24
Regular Scolastic tournament 2009 Winnipeg [811-1031]
874
910
2009-03-22
2009-04-13
Manitoba Provincial (1-4) [Section 1]
880
874
2009-03-01
2009-03-09
Regular March Tournament 2009 [Section 2]
911
880
2009-02-08
2009-02-14
Regular Tournament [Section 8]
819
911
2009-01-18
2009-01-21
Regular Tournament [Section 2]
885
819
2008-12-07
2008-12-16
Regular Tournament [Section 2]
801
885
2008-11-15
2008-11-18
2008 Manitoba Junior Chess Championship [Section 1]
776
801
2008-11-09
2008-11-12
Regular Tournament [Section 3]
624
776
2008-10-19
2008-10-24
Regular Tournament [Section 3]
538
624
2008-09-28
2008-10-01
Regular Tournament [Section 5]
386
538
2008-04-06
2008-04-10
Championnat provincial du Québec 2008 [Maternelle/Kindergarten]
304
386
2007-11-25
2007-11-28
Qualification Laval [Section 1]
0
304
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