Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Keola Jonker

203014307
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1459
K-factor 32
Floor 1014.1
Highest 1530.4 (2019-07-01)
Min/Max +/- allowed 104
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 596.5
Final +/- 0
New Rating
()
Rating 1459
K-factor 32
Floor 1014.1
Highest 1530.4 (2019-07-01)
Min/Max +/- allowed 103.6
Standard rating
Rating 1435.9
K-factor 32
Floor 1022.1
Highest 1538.5 (2019-07-01)
Min/Max +/- allowed 102.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 596.5
Final +/- 0
New Rating
()
Rating 1435.9
K-factor 32
Floor 1022.1
Highest 1538.5 (2019-07-01)
Min/Max +/- allowed 102.4
Rapid rating
Rating 1169.1
K-factor 40
Floor 669.1
Highest 1200 (2024-02-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1169.1
K-factor 40
Floor 669.1
Highest 1200 (2024-02-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1169.1
K-factor 40
Floor 669.1
Highest 1200 (2024-02-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1169.1
K-factor 40
Floor 669.1
Highest 1200 (2024-02-01)
Min/Max +/- allowed 165.8
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 JMC Everest 2021 (B) Standard 2021-10-30 2021-10-30 Johannesburg Metro (GJM) 5 1368.3 5 3.5 1462.4 0 Details
2 JNW Club - Trinityhouse Randpark Ridge Open 2020 (A) Standard 2020-02-22 2020-02-22 Johannesburg Metro (GJM) 5 1431.8 5 1 1266.5 0 Details
3 JNW Club - Bryanston Open1 2020 (A) Standard 2020-02-01 2020-02-01 Johannesburg Metro (GJM) 5 1431.8 4 0 1141.9 0 Details
4 2019 South African Junior Team Championships (U18A) Classical 2020-01-04 2020-01-08 4 Knights (4K) 7 1450.4 7 3 1375.7 0 Details
5 JNW Chess Club - Muldersdrif 2019 (A) Standard 2019-10-18 2019-10-18 Johannesburg Metro (GJM) 5 1514.1 5 0 1152.5 0 Details
6 JNW Club - Helpmekaar Kollege Open 2019 (B) Standard 2019-07-06 2019-07-06 Johannesburg Metro (GJM) 5 1376.3 5 5 1771.4 0 Details
7 JHB Metro Closed 2019 (Open) Standard 2019-07-27 2019-07-28 Johannesburg Metro (GJM) 6 1376.3 6 3.5 1540.3 0 Details
8 JNW Club - Hoerskool Linden 2019 (B) Standard 2019-06-15 2019-06-15 Johannesburg Metro (GJM) 5 1369.4 5 3.5 1419.8 0 Details
9 2019 South African Junior Closed Chess Championship (U16 Girls) Classical 2019-03-17 2019-03-22 Chess South Africa (CSA) 9 1345.4 9 5 1420.6 0 Details
10 2019 Constantia Park Open (A) Standard 2019-02-09 2019-02-09 Tshwane (GTP) 5 1385 5 1.5 1362.6 0 Details
11 JNW Club - Trinityhouse Little Falls Open 2019 (A) Standard 2019-02-23 2019-02-23 Johannesburg Metro (GJM) 5 1385 5 0.5 1157.6 0 Details
12 JNW Club - Bryanston Open 1 2019 (B) Standard 2019-01-26 2019-01-26 Johannesburg Metro (GJM) 5 1407.3 5 4 1526.6 0 Details
13 Boksburg Open 2019 (A) Standard 2019-01-19 2019-01-19 Ekurhuleni (GE) 5 1407.3 5 0.5 1145.8 0 Details
14 South African Junior Team Championships 2018 (U16B) Classical 2018-12-16 2018-12-20 4 Knights (4K) 7 1392.5 7 6 1431.7 0 Details
15 JNW Club - Helpmekaar Open 2018 (B) Standard 2018-09-15 2018-09-15 Johannesburg Metro (GJM) 5 1289.3 5 3.5 1558.3 0 Details
16 JNW Club - Muldersdrif Open 2018 (B) Standard 2018-08-18 2018-08-18 Johannesburg Metro (GJM) 5 1206.6 5 3 1315.5 0 Details
17 JNW Club - Maragon Open 2018 (B) Standard 2018-08-04 2018-08-04 Johannesburg Metro (GJM) 5 1206.6 5 3.5 1368.2 0 Details
18 JHB Metro Junior Closed 2018 (U16) Standard 2018-07-28 2018-07-29 Johannesburg Metro (GJM) 6 1133.3 6 3.5 1416.4 0 Details
19 2018 South African Junior Closed Chess Championships (U16 Girls) Classical 2018-04-01 2018-04-07 Chess South Africa (CSA) 11 1068.9 10 5 1236.7 0 Details
20 Carels Open 2018 (B) Standard 2018-03-03 2018-03-03 Sedibeng (GSV) 5 1173.8 3 1 904.1 0 Details
21 JNW Club - Northriding College Open 2018 (A) Standard 2018-03-09 2018-03-10 Johannesburg Metro (GJM) 6 1173.8 6 1.5 876.4 0 Details
22 JNW Club - Trinityhouse Little Falls Open 2018 (B) Standard 2018-02-16 2018-02-17 Johannesburg Metro (GJM) 6 1109.5 6 4 1399.3 0 Details
23 South African Junior Team Championships 2017 (U16A) Classical 2018-01-04 2018-01-08 4 Knights (4K) 7 1169.1 6 1.5 960.4 0 Details
24 Jnw Club - Muldersdrif Open 2017 (A) Standard 2017-08-19 2017-08-19 Johannesburg Metro (GJM) 5 1178 5 2 1051 0 Details
25 Jnw Club - Maragon Open 2017 (B) Standard 2017-06-02 2017-06-03 Johannesburg Metro (GJM) 6 1178 6 4.5 1366 0 Details
26 Commonwealth Chess Championships 2017 Blitz 2017-07-03 2017-07-08 India (IND) 7 1182 7 2.5 1181 0 Details
27 Jnw Club - Bryanston2 Open 2017 (B) Standard 2017-05-05 2017-05-06 Johannesburg Metro (GJM) 6 1088 6 5 1414 0 Details
28 2017 Pss + Jnw Classic (B) Standard 2017-04-22 2017-04-22 Johannesburg Metro (GJM) 6 1002 0 0 0 0 Details
29 Sa Junior Closed Chess Championship 2017 (U14 Girls) Classical 2017-04-05 2017-04-11 Ekurhuleni (GE) 11 1002 11 6.5 1175 0 Details
30 Jnw Club - Trinityhouse Randpark Open 2017 (B) Standard 2017-03-24 2017-03-25 Johannesburg Metro (GJM) 6 998 6 2.5 952 0 Details
31 Jnw Chess - Trinityhouse Little Falls Open 2017 (B) Standard 2017-02-17 2017-02-18 Johannesburg Metro (GJM) 6 983 6 3 1075 0 Details
32 South African Junior Wildcard Championships 2016 (U14 Girls) Classical 2016-12-20 2016-12-23 Tshwane (GTP) 7 997 7 4.5 868 0 Details
33 South African Junior Team Championships 2016 (U14 B) Classical 2016-12-16 2016-12-19 Tshwane (GTP) 7 997 7 4 1061 0 Details
34 2016 Gauteng Top Schools Team Championship (U13 Open) Standard 2016-09-22 2016-09-22 Tshwane (GTP) 5 981 5 4 1099 0 Details
35 Johannesburg Metro Junior Closed 2016 (U14) Standard 2016-08-05 2016-08-07 Johannesburg Metro (GJM) 6 999 5 2 948 0 Details
36 Jnw Chess - Margon Open 2016 (C) Standard 2016-07-29 2016-07-30 Johannesburg Metro (GJM) 6 1012 6 4.5 939 0 Details
37 2016 Gauteng Secondary School Individual Provincial (U13G) Standard 2016-05-13 2016-05-13 Tshwane (GTP) 5 1001 5 4 1125 0 Details
38 Sa Junior Closed Chess Championship 2016 (U14 Girls) Classical 2016-03-20 2016-03-26 Free State (FS) 11 1088 11 4 979 0 Details
39 Jnw Chess - Franklin D Roosevelt Open 2016 (B) Standard 2016-03-11 2016-03-12 Johannesburg Metro (GJM) 6 1088 6 3 909 0 Details
40 Trinityhouse Little Falls 2016 (B-Section) Standard 2016-02-19 2016-02-20 Johannesburg Metro (GJM) 6 1113 6 2.5 928 0 Details
41 Jnw Chess Bryanston Open 2016 (Section B) Rapid 2016-01-30 2016-01-30 Johannesburg Metro (GJM) 6 783 6 1 698 0 Details
42 South African Junior Team Championships 2015 (14B) Classical 2016-01-04 2016-01-07 Western Province (WP) 7 1147 7 2.5 1049 0 Details
43 2015 Gauteng Provincial Primary Schools Chess Cham (U13 Mix Merit) Standard 2015-08-28 2015-08-28 Tshwane (GTP) 5 1113 5 5 1270 0 Details
44 2015 Africa Womens Open (B-Section) Standard 2015-08-08 2015-08-09 Chess Excellence (CEX) 7 1126 7 5 1048 0 Details
45 Sa Junior Closed Chess Championship 2015 (Under 12 Girls) Classical 2015-04-04 2015-04-10 Tshwane (GTP) 11 1099 11 6 1141 0 Details
46 Kalie De Haas Open (B Section) Standard 2015-03-21 2015-03-21 Gert Sibande (MGS) 5 992 5 3.5 1091 0 Details
47 Jnw Chess – Trinityhouse Randpark Ridge Open 2015 (C Section) Standard 2015-03-07 2015-03-07 Johannesburg Metro (GJM) 6 992 6 5.5 1308 0 Details
48 Jnw Chess Trinityhouse Little Falls Open 2015 (Section C) Standard 2015-02-21 2015-02-21 Johannesburg Metro (GJM) 5 1009 5 3 832 0 Details
49 Jhb Metro Accounting Uj Open - C Section New Standard 2014-10-10 2014-10-11 Johannesburg Metro (GJM) 6 1009 6 4.5 1065 0 Details
50 South African Junior Chess Championships 2014 (Wild Card (U12 Girls) Standard 2015-01-08 2015-01-10 Northern Cape (NC) 7 919 7 5 1035 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 130
Wins 57
Draws 13
Losses 60
White 69
Black 61
White wins 33
Black wins 24
Score 63.5
Percent 48.8
Dp -9.8
AOR 1331.2
Performance 1321.4
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 130
Score 63.5
Percent 48.8
Aor 1331.2
Dp -9.8
Prat 1321.4
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Shaw, LA (Laurie Ann) 4 1 3 2019 South African Junior Closed Chess Championship (U16 Girls) JNW Club - Trinityhouse Randpark Ridge Open 2020 (A) Details
Overall 2 Weisz, B (Benjamin) 3 2 1 JNW Club - Northriding College Open 2018 (A) JNW Club - Helpmekaar Open 2018 (B) Details
Overall 3 Potgieter, E (Edward) 3 0 3 JNW Club - Northriding College Open 2018 (A) JNW Club - Bryanston Open1 2020 (A) Details
Overall 4 Laureles, R (Raymundo) 3 3 0 JNW Club - Trinityhouse Little Falls Open 2018 (B) JNW Chess Club - Muldersdrif 2019 (A) Details
Overall 5 Gardiner, N (Noa) 3 2 1 JNW Club - Trinityhouse Little Falls Open 2019 (A) JNW Club - Trinityhouse Randpark Ridge Open 2020 (A) Details
Standard 1 Shaw, LA (Laurie Ann) 4 1 3 2019 South African Junior Closed Chess Championship (U16 Girls) JNW Club - Trinityhouse Randpark Ridge Open 2020 (A) Details
Standard 2 Weisz, B (Benjamin) 3 2 1 JNW Club - Northriding College Open 2018 (A) JNW Club - Helpmekaar Open 2018 (B) Details
Standard 3 Potgieter, E (Edward) 3 0 3 JNW Club - Northriding College Open 2018 (A) JNW Club - Bryanston Open1 2020 (A) Details
Standard 4 Laureles, R (Raymundo) 3 3 0 JNW Club - Trinityhouse Little Falls Open 2018 (B) JNW Chess Club - Muldersdrif 2019 (A) Details
Standard 5 Gardiner, N (Noa) 3 2 1 JNW Club - Trinityhouse Little Falls Open 2019 (A) JNW Club - Trinityhouse Randpark Ridge Open 2020 (A) Details