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Chess SA Region AOC

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Coenraad Hendrik Marais

191020705
Tshwane (GTP)
Personal
Main rating
Rating 2075.2
K-factor 20
Floor 1585.9
Highest 2085.9 (2024-02-01)
Min/Max +/- allowed 47
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1636.7
Final +/- 0
New Rating
()
Rating 2075.2
K-factor 20
Floor 1585.9
Highest 2085.9 (2024-02-01)
Min/Max +/- allowed 46.9
Standard rating
Rating 2073.3
K-factor 20
Floor 1583.1
Highest 2083.1 (2024-02-01)
Min/Max +/- allowed 47.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1636.7
Final +/- 0
New Rating
()
Rating 2073.3
K-factor 20
Floor 1583.1
Highest 2083.1 (2024-02-01)
Min/Max +/- allowed 47.1
Rapid rating
Rating 1925.6
K-factor 24
Floor 1425.6
Highest 1925.6 (2024-02-01)
Min/Max +/- allowed 59
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1925.6
K-factor 24
Floor 1425.6
Highest 1925.6 (2024-02-01)
Min/Max +/- allowed 59
Blitz rating
Rating 1922.6
K-factor 24
Floor 1422.6
Highest 1922.6 (2024-02-01)
Min/Max +/- allowed 59.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1922.6
K-factor 24
Floor 1422.6
Highest 1922.6 (2024-02-01)
Min/Max +/- allowed 59.2
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 Gauteng Inter-Region at Emerald Resort 2025 (Adults+Seniors) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 2082.7 5 2.5 1762.4 0 Details
2 Gauteng Inter-Region at UJ 2024 (Adult+Senior) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 2071.6 5 4 2170.3 0 Details
3 Laerskool Doringkloof Primary Open Chess Tournament 2024 (A) Standard 2024-10-19 2024-10-19 Tshwane (GTP) 5 2085.9 4 1.5 1902.5 0 Details
4 Ekurhuleni Chess Open 2022 (A) Standard 2022-01-07 2022-01-09 Ekurhuleni (GE) 7 2023.2 7 5.5 1979.4 0 Details
5 2021 Gauteng North Open Tournament (A) Standard 2021-08-28 2021-08-29 Tshwane (GTP) 5 2022.4 5 3 2036.3 0 Details
6 2019 Inter Region Chess Championships Classical 2020-01-09 2020-01-12 4 Knights (4K) 7 1980.8 6 4 2425.5 0 Details
7 2019 Capablanca Chess Festival (Swiss A) Standard 2019-04-19 2019-04-21 Tshwane (GTP) 7 1944.3 7 6.5 2143.3 0 Details
8 2019 Waterkloof Open (A) Standard 2019-03-02 2019-03-03 Tshwane (GTP) 5 1940.5 5 4 1958.4 0 Details
9 2019 Piet Robbertse (A) Classical 2019-02-01 2019-02-03 Tshwane (GTP) 5 1910 5 4.5 2130.7 0 Details
10 2018 Capablanca Swiss (A) Standard 2018-04-27 2018-04-29 Tshwane (GTP) 7 1871 7 6 2084.3 0 Details
11 South African Inter Regional Championships 2017 Classical 2018-01-09 2018-01-12 4 Knights (4K) 7 1920 6 0.5 1617.4 0 Details
12 South African Inter Regional Championships 2016 Classical 2016-12-20 2016-12-23 Tshwane (GTP) 7 1920 7 3.5 1881 0 Details
13 2016 Mid Gauteng Open Chess Tournament (A) Standard 2016-06-04 2016-06-04 Tshwane (GTP) 5 1917 5 3.5 1936 0 Details
14 Swartkops Open 2014 Section A Standard 2014-06-28 2014-06-28 Tshwane (GTP) 5 1918 5 4 1810 0 Details
15 2014 Ethekwini Open Standard 2014-03-21 2014-03-23 Kwazulu Natal (KZN) 7 1893 7 6 1929 0 Details
16 Kcf Lesotho Challenge Standard 2014-01-09 2014-01-12 Tshwane (GTP) 9 1893 9 8 1762 0 Details
17 2013 Capablanca Open Chess Festival Chessa A Secti Standard 2013-04-26 2013-05-01 Tshwane (GTP) 7 1900 6 4 1821 0 Details
18 Kruin Open 2013 Sec A - Open To All Standard 2013-04-20 2013-04-20 Tshwane (GTP) 5 1876 5 4 2018 0 Details
19 2013 Ethekwini Open Standard 2013-03-22 2013-03-24 Kwazulu Natal (KZN) 7 1894 7 5.5 1602 0 Details
20 Inter Union A Section Standard 2012-12-19 2012-12-21 Western Province Central (WPC) 7 1871 6 4 2176 0 Details
21 Kzn Chess Union Winter Series 2012 Standard 2012-06-23 2012-06-24 Kwazulu Natal (KZN) 6 1873 6 5 1699 0 Details
22 Piet Robbertse Open 2012 (A Section) Standard 2012-01-27 2012-01-29 Gauteng North (GN) 6 1880 6 3.5 1721 0 Details
23 South African Junior Chess Championships 2010 (U20 Boys) Classical 2010-12-16 2010-12-21 Mid-Gauteng (GM) 9 1866 9 6.5 1828 0 Details
24 South African Junior Chess Championships 2010 (Team - U20 Championship) Classical 2010-12-12 2010-12-15 Mid-Gauteng (GM) 7 1883 7 4.5 1845 0 Details
25 Sa Ope 2010 Afd A Standard 2010-09-29 2010-10-07 Mid-Gauteng (GM) 9 1881 8 5.5 1853 0 Details
26 Platina Mall Open - Section A Standard 2010-09-19 2010-09-19 Mid-Gauteng (GM) 5 1880 5 3.5 1841 0 Details
27 Mid-Gauteng Open 2010 - Section A Standard 2010-05-01 2010-05-01 Mid-Gauteng (GM) 5 1883 5 3.5 2058 0 Details
28 South African Junior Closed 2010-U8 Boys (U20 Boys) Classical 2010-03-27 2010-04-01 Mid-Gauteng (GM) 9 1891 9 5 1851 0 Details
29 Blou Bul Open 2010 (A Section) Standard 2010-02-13 2010-02-13 Mid-Gauteng (GM) 5 1913 5 3 1640 0 Details
30 South African Junior Chess Championships 2009 (U 20 Boys) Standard 2009-12-06 2009-12-10 Western Province (WP) 9 1825 9 7 1957 0 Details
31 South African Junior Team Championships 2009 (U 20 Championship) Standard 2009-12-01 2009-12-05 Western Province (WP) 7 1818 5 3.5 1855 0 Details
32 Mid-Gauteng Closed 2009 - Section A Standard 2009-12-13 2009-12-13 Mid-Gauteng (GM) 6 1827 6 4.5 1685 0 Details
33 South African Junior Championships 2008 (U18 Boys) Standard 2008-12-18 2008-12-18 Western Province (WP) 9 1824 9 6 1801 0 Details
34 Gauteng Chess League Premier Division 2008 Blitz 2008-09-01 2008-09-01 0 1835 2 0 1650 0 Details
35 Pta Open - Section A Blitz 2008-05-13 2008-05-13 0 1816 5 0 1818 0 Details
36 Mini-Maxis 2008 Section A Blitz 2008-06-12 2008-06-12 0 1831 5 0 1742 0 Details
37 Mid-Gauteng Closed 2008 - Senior Section Blitz 2008-12-01 2008-12-01 0 1814 5 0 1892 0 Details
38 Mid-Gauteng Closed 2008 - Senior Section Blitz 2008-12-08 2008-12-08 0 1824 5 0 1905 0 Details
39 Waterkloof Open - Section A Blitz 2008-03-10 2008-03-10 0 1778 6 0 1759 0 Details
40 Chessa Junior Closed 2008 Blitz 2008-04-01 2008-04-01 0 1782 7 0 1932 0 Details
41 Commonwealth Championship 2010 Blitz 2010-05-23 2010-05-23 0 1905 11 0 1809 0 Details
42 World Youth Chess Championships 2008 Blitz 2008-11-01 2008-11-01 0 1825 11 0 1918 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 62
Wins 36
Draws 12
Losses 14
White 33
Black 29
White wins 22
Black wins 14
Score 42
Percent 67.7
Dp 150.8
AOR 1875.1
Performance 2025.9
Rankings (Main)
National
Overall 42
Gender 42
Age group 29
Gender/Age 29
Provincial
Overall 17
Gender 17
Age group 14
Gender/Age 14
Regional
Overall 7
Gender 7
Age group 6
Gender/Age 6
Rankings (Standard)
National
Overall 47
Gender 46
Age group 33
Gender/Age 33
Provincial
Overall 20
Gender 19
Age group 15
Gender/Age 15
Regional
Overall 7
Gender 7
Age group 6
Gender/Age 6
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 5
Score 2.5
Percent 50
Aor 1762.4
Dp 0
Prat 1762.4
Performance (History)
Games 62
Score 42
Percent 67.7
Aor 1875.1
Dp 150.8
Prat 2025.9
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Mnguni, JD (Jakob Dumisani) 3 2 1 2018 Capablanca Swiss (A) Laerskool Doringkloof Primary Open Chess Tournament 2024 (A) Details
Overall 2 Jacobs, CL (Cavan Leo) 2 0 2 2019 Waterkloof Open (A) 2019 Capablanca Chess Festival (Swiss A) Details
Overall 3 Claassen, J (Jean-Daniel) 2 1 1 2019 Waterkloof Open (A) 2019 Inter Region Chess Championships Details
Overall 4 Nel, A (Andre) 2 0 2 2019 Capablanca Chess Festival (Swiss A) Gauteng Inter-Region at UJ 2024 (Adult+Senior) Details
Overall 5 Lekgau, M (Mothupi) 2 1 1 South African Inter Regional Championships 2017 2019 Capablanca Chess Festival (Swiss A) Details
Standard 1 Mnguni, JD (Jakob Dumisani) 3 2 1 2018 Capablanca Swiss (A) Laerskool Doringkloof Primary Open Chess Tournament 2024 (A) Details
Standard 2 Jacobs, CL (Cavan Leo) 2 0 2 2019 Waterkloof Open (A) 2019 Capablanca Chess Festival (Swiss A) Details
Standard 3 Claassen, J (Jean-Daniel) 2 1 1 2019 Waterkloof Open (A) 2019 Inter Region Chess Championships Details
Standard 4 Nel, A (Andre) 2 0 2 2019 Capablanca Chess Festival (Swiss A) Gauteng Inter-Region at UJ 2024 (Adult+Senior) Details
Standard 5 Lekgau, M (Mothupi) 2 1 1 South African Inter Regional Championships 2017 2019 Capablanca Chess Festival (Swiss A) Details