Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Matthew Douglas Jonker

187014313
Johannesburg Metro (GJM)
Personal
Main rating
Rating 2020.9
K-factor 20
Floor 1541
Highest 2041 (2018-03-01)
Min/Max +/- allowed 50
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1224.3
Final +/- 0
New Rating
()
Rating 2020.9
K-factor 20
Floor 1541
Highest 2041 (2018-03-01)
Min/Max +/- allowed 50
Standard rating
Rating 2041
K-factor 20
Floor 1541
Highest 2041 (2018-03-01)
Min/Max +/- allowed 50
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 2041
K-factor 20
Floor 1541
Highest 2041 (2018-03-01)
Min/Max +/- allowed 50
Rapid rating
Rating 2018
K-factor 20
Floor 1541
Highest 2041 (2018-03-01)
Min/Max +/- allowed 50
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 2018
K-factor 20
Floor 1541
Highest 2041 (2018-03-01)
Min/Max +/- allowed 50
Blitz rating
Rating 1934.4
K-factor 20
Floor 1541
Highest 2041 (2018-03-01)
Min/Max +/- allowed 50
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1934.4
K-factor 20
Floor 1541
Highest 2041 (2018-03-01)
Min/Max +/- allowed 50
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Mzansi Spring Rapid 2023 Rapid 2023-09-02 2023-09-02 Johannesburg Metro (GJM) 7 2023.8 6 4 1917.7 0 Details
2 JMC Blitz - Higher Ground 2023 Blitz 2023-06-17 2023-06-17 Johannesburg Metro (GJM) 7 2029.6 7 5.5 1697.9 0 Details
3 Mzansi Open Blitz 2023 Blitz 2023-04-29 2023-04-29 Johannesburg Metro (GJM) 9 2035.7 9 5 1825.5 0 Details
4 CPH Chess Clubs Challenge 2022 (A) Rapid 2022-11-12 2022-11-12 Johannesburg Metro (GJM) 7 2037.1 6 2.5 1992.7 0 Details
5 JMC Blitz Open 8 August 2022 (A) Blitz 2022-08-08 2022-08-08 Johannesburg Metro (GJM) 9 2041 9 6 1798.2 0 Details
6 2017 Gauteng Chess League 1St Division (Classic) Classical 2017-11-04 2017-11-25 Tshwane (GTP) 7 2035 4 2 1554 0 Details
7 2016 Gauteng Chess League (1St Division) Classical 2016-09-24 2016-11-05 Tshwane (GTP) 7 2041 1 0.5 1866 0 Details
8 Gauteng Chess League 2015 (First Division) Classical 2015-10-03 2015-11-07 Tshwane (GTP) 7 2041 2 1.5 2022 0 Details
9 Gauteng Chess League (Premier Division) Standard 2013-08-31 2013-08-31 Tshwane (GTP) 15 2012 10 8.5 2136 0 Details
10 Inter Union B Section Standard 2012-12-19 2012-12-21 Western Province Central (WPC) 7 1960 14 13 2258 0 Details
11 Gauteng League (Premier Division) Standard 2012-08-11 2012-08-11 Gauteng North (GN) 11 1939 9 6.5 2065 0 Details
12 Gauteng Chess League 2011 (Premier) Standard 2011-10-15 2011-10-15 Gauteng North (GN) 11 1938 10 5.5 1938 0 Details
13 Commonwealth & South African Open 2011 Open Sectio Classical 2011-07-03 2011-07-03 Tshwane (GTP) 11 1976 11 7 1815 0 Details
14 Gauteng Chess League 2010 Standard 2011-01-25 2011-01-25 Gauteng North (GN) 11 1979 10 5 1946 0 Details
15 Uj Dep Of Accountancy Chess Championship A-Section Standard 2010-08-31 2010-08-31 Mid-Gauteng (GM) 7 1965 6 4.5 2039 0 Details
16 Open Ussa 2009 Standard 2009-12-03 2009-12-03 South Western Districts (SWD) 9 1954 8 7 1896 0 Details
17 Inter Provincial Team Championship 2009 (A-Section) Standard 2009-12-03 2009-12-03 Gauteng North (GN) 7 1946 7 4 1982 0 Details
18 Gauteng Chess League 2009 (First Division) Standard 2009-12-03 2009-12-03 Gauteng North (GN) 11 1946 1 1 1918 0 Details
19 Gauteng Chess League 2009 (First Division) Standard 2009-12-03 2009-12-03 Gauteng North (GN) 11 1917 10 6.5 2027 0 Details
20 Inter Club Championship 2009 Standard 2009-10-16 2009-10-16 Free State (FS) 7 1948 6 2.5 1718 0 Details
21 Piet Robbertse 2009 A Standard 2009-02-19 2009-02-19 Gauteng North (GN) 6 1948 6 5 1932 0 Details
22 Gauteng Open A Section Blitz 2008-09-09 2008-09-09 0 1996 6 0 1924 0 Details
23 North West Rand Open - A Section Blitz 2008-09-21 2008-09-21 0 1962 6 0 1865 0 Details
24 Gauteng Chess League First Division 2008 Blitz 2008-09-01 2008-09-01 0 1973 8 0 1792 0 Details
25 South African Open 2008 Blitz 2008-07-27 2008-07-27 0 1997 11 0 1819 0 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics (History)
Games 37
Wins 21
Draws 4
Losses 12
White 19
Black 18
White wins 11
Black wins 10
Score 23
Percent 62.2
Dp 103.4
AOR 1733.4
Performance 1836.8
Rankings (Main)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Standard)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Rapid)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (12 months)
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (History)
Games 37
Score 23
Percent 62.2
Aor 1733.4
Dp 103.4
Prat 1836.8
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Khumalo, KB (Keith Babongile) 2 2 0 JMC Blitz Open 8 August 2022 (A) CPH Chess Clubs Challenge 2022 (A) Details
Overall 2 Mlahleki, V (Vusimuzi) 2 2 0 CPH Chess Clubs Challenge 2022 (A) Mzansi Open Blitz 2023 Details
Overall 3 Levitan, C (Caleb) 2 0 2 JMC Blitz Open 8 August 2022 (A) Mzansi Open Blitz 2023 Details
Blitz 1 Levitan, C (Caleb) 2 0 2 JMC Blitz Open 8 August 2022 (A) Mzansi Open Blitz 2023 Details