PLAYER PAGE

Johanna Willemiena De Koster

296006633
Cape Town (WCT)
Personal
Main rating
Rating 1366.3
K-factor 36
Floor 866.3
Highest 1366.3 (2019-11-01)
Min/Max +/- allowed 131
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 99.6
Final +/- 0
New Rating
()
Rating 1366.3
K-factor 36
Floor 866.3
Highest 1366.3 (2019-11-01)
Min/Max +/- allowed 130.8
Standard rating
Rating 1366.3
K-factor 36
Floor 866.3
Highest 1366.3 (2019-11-01)
Min/Max +/- allowed 130.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 99.6
Final +/- 0
New Rating
()
Rating 1366.3
K-factor 36
Floor 866.3
Highest 1366.3 (2019-11-01)
Min/Max +/- allowed 130.8
Rapid rating
Rating 1366.3
K-factor 36
Floor 866.3
Highest 1366.3 (2019-11-01)
Min/Max +/- allowed 130.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1366.3
K-factor 36
Floor 866.3
Highest 1366.3 (2019-11-01)
Min/Max +/- allowed 130.8
Blitz rating
Rating 1366.3
K-factor 36
Floor 866.3
Highest 1366.3 (2019-11-01)
Min/Max +/- allowed 130.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1366.3
K-factor 36
Floor 866.3
Highest 1366.3 (2019-11-01)
Min/Max +/- allowed 130.8
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 Bedfordview Open 2017 (2) Standard 2017-08-09 2017-08-09 Ekurhuleni (GE) 5 1227 5 1 1232 0 Details
2 South African Inter Regional Championships 2016 Classical 2016-12-20 2016-12-23 Tshwane (GTP) 7 1236 7 3 1208 0 Details
3 South African Open 2016 (B) Classical 2016-07-01 2016-07-08 Western Province (WP) 11 1239 9 5.5 1216 0 Details
4 South African Open Chess Championships 2016 Blitz Standard 2016-07-05 2016-07-05 Western Province (WP) 7 1292 6 1 1223 0 Details
5 Midrand Chess Championships 2016 (A) Standard 2016-06-16 2016-06-16 Johannesburg Metro (GJM) 5 1261 4 0 1213 0 Details
6 Sa Junior Closed Chess Championship 2016 (U18+U20 Girls) Classical 2016-03-20 2016-03-26 Free State (FS) 11 1271 10 5.5 1248 0 Details
7 Ekurhuleni Open 2 2016 (Section A) Standard 2016-03-11 2016-03-12 Ekurhuleni (GE) 6 1271 5 1.5 1281 0 Details
8 Khs 2016 (Ope) Standard 2016-02-20 2016-02-20 Dr Kenneth Kaunda (NWP) 5 1295 5 2 1166 0 Details
9 South African Junior Team Championships 2015 (20B) Classical 2016-01-04 2016-01-07 Western Province (WP) 7 1287 7 4.5 1326 0 Details
10 South African Inter Region Championship 2015 Standard 2016-01-08 2016-01-10 Western Province (WP) 7 1287 5 1.5 1210 0 Details
11 Ekurhuleni Sedibeng Ip 2015 (U20 A) Standard 2015-10-31 2015-10-31 Ekurhuleni (GE) 5 1297 5 2 1267 0 Details
12 Amigo Spur Eligwa Skaak Ope (A) Standard 2015-07-25 2015-07-25 Sedibeng (GSV) 5 1324 5 2.5 1175 0 Details
13 Albetros On Vaal Skaak 2015 (A) Standard 2015-05-30 2015-05-30 Sedibeng (GSV) 5 1322 5 3 1381 0 Details
14 Drie Riviere Ope 2015 (A) Standard 2015-05-09 2015-05-09 Sedibeng (GSV) 5 1322 5 3.5 1250 0 Details
15 Sa Junior Closed Chess Championship 2015 (Under 18+20 Girls) Classical 2015-04-04 2015-04-10 Tshwane (GTP) 11 1306 11 5 1262 0 Details
16 Carel S Open Chess Tournament 2015 (A) Standard 2015-03-07 2015-03-07 Sedibeng (GSV) 5 1273 5 3 1418 0 Details
17 Heidelberg Open 2015 (A) Standard 2015-02-07 2015-02-07 Sedibeng (GSV) 5 1283 5 1.5 1230 0 Details
18 Inter Regional Team Championship 2014 B Section Standard 2015-01-08 2015-01-10 Northern Cape (NC) 5 1262 5 0 819 0 Details
19 South African Junior Team Championship 2015 (U20 B-Section) Classical 2015-01-04 2015-01-07 Northern Cape (NC) 7 1262 5 2.5 1369 0 Details
20 Sedibeng Ip 2014 (0 20 A) Standard 2014-12-06 2014-12-06 Sedibeng (GSV) 5 1302 5 1 1127 0 Details
21 Gauteng Team Provincial Trails 2014 - U18 Mix Standard 2014-08-30 2014-08-30 Tshwane (GTP) 5 1344 5 2 1119 0 Details
22 World Youth Chess Championships 2014 (Durban Rsa) Blitz 2014-09-20 2014-09-29 South Africa (RSA) 0 1284 8 4.5 1439 0 Details
23 Sasolburg-Fonteine Open Chess 2014 (A) Standard 2014-08-23 2014-08-23 Sedibeng (GSV) 5 1338 3 2 1149 0 Details
24 Hs Liga 2014 Hs League Standard 2014-08-01 2014-08-02 Sedibeng (GSV) 5 1338 5 3 1107 0 Details
25 Amigo Spur Eligwa Chess Open 2014 (A) Standard 2014-07-26 2014-07-26 Sedibeng (GSV) 5 1319 5 3 1377 0 Details
26 South African Open Chess Championship 2014 Blitz Blitz 2014-07-16 2014-07-16 Free State (FS) 7 1275 7 4 1335 0 Details
27 Sa School Individual Chess Championship 2014 U19 G Standard 2014-07-10 2014-07-12 Free State (FS) 6 1319 3 1 1082 0 Details
28 Gauteng Individual Trails 2014 - U 19 Girls Standard 2014-06-21 2014-06-21 Tshwane (GTP) 5 1319 1 1 1925 0 Details
29 Sedibeng On Vaal Open 2014 (Section A) Standard 2014-05-31 2014-05-31 Sedibeng (GSV) 5 1349 5 3 1168 0 Details
30 Drie Riviere Open 2014 (Open) Standard 2014-05-10 2014-05-10 Sedibeng (GSV) 5 1328 4 2.5 1450 0 Details
31 Ag Visser (A) Standard 2014-04-12 2014-04-12 Sedibeng (GSV) 5 1362 5 3.5 1423 0 Details
32 South African Junior Closed 2014 U18 20 Girls Classical 2014-03-31 2014-04-05 Western Province (WP) 11 1362 11 2 1255 0 Details
33 Nwu Ope 2014 Standard 2014-03-15 2014-03-15 Dr Kenneth Kaunda (NWP) 5 1325 4 3 1503 0 Details
34 Carels Open (A) Standard 2014-03-01 2014-03-01 Sedibeng (GSV) 5 1325 4 3.5 1369 0 Details
35 Heidelberg Ope 2014 Afd A (Afd A) Standard 2014-02-08 2014-02-08 Sedibeng (GSV) 5 1383 4 1 1047 0 Details
36 Vaal River Chess Club Open 2014 (A) Standard 2014-01-18 2014-01-18 Sedibeng (GSV) 5 1384 5 2.5 1385 0 Details
37 Wild Card Championships 2013 (U18 U20 Girls) Standard 2013-12-19 2013-12-21 Kwazulu Natal (KZN) 7 1366 6 4 1247 0 Details
38 South African Junior Team Championship 2013 (U18) Classical 2013-12-15 2013-12-18 Kwazulu Natal (KZN) 7 1366 7 5 1410 0 Details
39 Lente Skaak Toernooi Afd A 2013 Standard 2013-09-07 2013-09-07 Sedibeng (GSV) 5 1378 3 1.5 1254 0 Details
40 Vroudag 2013 A Standard 2013-08-09 2013-08-10 Sedibeng (GSV) 6 1335 5 3 1566 0 Details
41 Eligwa Spur Ope 2013 (Afdeling A) Standard 2013-07-27 2013-07-27 Sedibeng (GSV) 5 1272 5 3.5 1562 0 Details
42 Commonwealth South African Open Chess Championsh Blitz 2013-07-08 2013-07-08 Nelson Mandela Bay (ENM) 7 1314 6 2.5 1057 0 Details
43 Driehoek 2013 A Standard 2013-06-15 2013-06-15 Sedibeng (GSV) 5 1293 4 1 1226 0 Details
44 Albatros Open 2013 A Standard 2013-06-01 2013-06-01 Sedibeng (GSV) 5 1293 4 2 1240 0 Details
45 Sedibeng Hoerskole Liga 2013 Standard 2013-05-04 2013-05-05 Sedibeng (GSV) 5 1265 3 3 1482 0 Details
46 Emerald Sedibeng Ope 2013 Afd A Standard 2013-04-19 2013-04-20 Sedibeng (GSV) 7 1326 4 0.5 1159 0 Details
47 South African Junior Closed 2013 U18 U 20 Girls Classical 2013-04-02 2013-04-07 Chess South Africa (CSA) 11 1326 9 4 1266 0 Details
48 Nwu Vaal Ope Afdeling A (Afdeling A) Standard 2013-03-21 2013-03-21 Sedibeng (GSV) 5 1348 3 1 1219 0 Details
49 Heidelberg Ope (A) Standard 2013-02-02 2013-02-02 Sedibeng (GSV) 5 1338 4 1.5 1435 0 Details
50 Inter Union B Section Standard 2012-12-19 2012-12-21 Western Province Central (WPC) 7 1376 12 2 1297 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 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
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 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Top 5 opponents most often played
Player not found.
Type # Opponent Games White Black First tournament Last tournament Details