Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
De Klerk, W (Wihan)
Dob:
2011/10/31 (U14)
Gender:
Male
Chess SA id:
1110138291
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (9 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1211.1
Curent Weighted rating
1143.8
Curent Weighted performance
1196.9
Current official/published rating (highest between Raw, WR and WP)
1211.1
Current floor (min rating allowed)
711.1
Current highest rating achieved
1211.1
Current K-factor
36
Games played this month
5
Score (S)
3.0
Expected score (We)
2.43
Difference (S-We)
0.57
Current Raw change (no limits, including tournament time weight)
17.0
Current min/max change allowed (with limits)
±163.2
Current Raw change used (final)
17.0
Projected new Raw rating
1228.1
Projected new Weighed rating
1152.6
Projected new Weighted performance
1196.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1228.1
Projected effective change (new Official - current Official)
+17.0
Projected new highest rating
1228.1
Projected new floor
728.1
Projected new K-facor
36
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1212.8
Curent Weighted rating
1142.5
Curent Weighted performance
1191.6
Current official/published rating (highest between Raw, WR and WP)
1212.8
Current floor (min rating allowed)
712.8
Current highest rating achieved
1212.8
Current K-factor
36
Games played this month
5
Score (S)
3.0
Expected score (We)
2.36
Difference (S-We)
0.64
Current Raw change (no limits, including tournament time weight)
23.0
Current min/max change allowed (with limits)
±162.8
Current Raw change used (final)
23.0
Projected new Raw rating
1235.8
Projected new Weighed rating
1151.8
Projected new Weighted performance
1191.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1235.8
Projected effective change (new Official - current Official)
+23.0
Projected new highest rating
1235.8
Projected new floor
735.8
Projected new K-facor
36
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1120.0
Curent Weighted rating
1120.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1120.0
Current floor (min rating allowed)
620.0
Current highest rating achieved
1120.0
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±185.8
Current Raw change used (final)
0.0
Projected new Raw rating
1120.0
Projected new Weighed rating
1120.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1120.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1120.0
Projected new floor
620.0
Projected new K-facor
40
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
620.0
Current highest rating achieved
1200.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1200.0
Projected new floor
620.0
Projected new K-facor
36
Tournaments
History
Tournament:
2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed)
Start:
2024/05/11
End:
2024/05/11
Host:
GTP
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
3.0
Main rating:
1211.1
Rating gain/loss:
17.0
Type rating:
1212.8
Rating gain/loss:
23.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
7
2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1211.1
1212.8
Analysis
6
2024 Milos Ristic Open Chess Tournament (U14)
2024/04/27
2024/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1190.2
1189.2
Analysis
5
2024 KSNG CHess Academy Open Tournament (D2)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1190.2
1189.2
Analysis
4
2024 Chris Greyling Open Chess Tournament (D1)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1180.9
1179.2
Analysis
3
2024 Blou Bul Open Chess Tournament (D)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1197.5
1199.6
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (D1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1144.7
1141.2
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U14C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
2.0
1144.7
1141.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
20
2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1211.1
1212.8
Analysis
19
2024 Milos Ristic Open Chess Tournament (U14)
2024/04/27
2024/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1190.2
1189.2
Analysis
18
2024 KSNG CHess Academy Open Tournament (D2)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1190.2
1189.2
Analysis
17
2024 Chris Greyling Open Chess Tournament (D1)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1180.9
1179.2
Analysis
16
2024 Blou Bul Open Chess Tournament (D)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1197.5
1199.6
Analysis
15
2024 Tshwane Chess OPEN Registration Tournament (D1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1144.7
1141.2
Analysis
14
2024 Gauteng Inter-Region Chess Championship (U14C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
2.0
1144.7
1141.2
Analysis
13
2023 Etienne Lewis Closed Tournament (U14)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
2.0
1131.2
1126.4
Analysis
12
2023 Elize Steenkamp Open Tournament (D1)
2023/06/16
2023/06/17
Tshwane (GTP)
Standard
90
0.94
6
6
2.5
1137.6
1131.2
Analysis
11
2023 Milos Ristic Open Tournament (D2)
2023/04/27
2023/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1136.9
1146.0
Analysis
10
2023 Tshwane South School District CLOSED Individual Championships (U13 Open)
2023/04/22
2023/04/22
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1136.9
1146.0
Analysis
9
Ekhuruleni Chess Trials 1 2023 (U14)
2023/03/25
2023/03/25
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1038.0
1033.6
Analysis
8
Chris Greyling Open Tournament 2023 (D2)
2023/03/21
2023/03/21
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1038.0
1033.6
Analysis
7
Laerskool Constantiapark Open Chess Tournament 2023 (U14)
2023/02/18
2023/02/18
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1048.0
1050.0
Analysis
6
2022 Etienne Lewis (U12 Open)
2022/09/02
2022/09/04
Tshwane (GTP)
Standard
90
0.94
7
7
2.0
1097.3
1112.0
Analysis
5
2022 Jacaranda Round Robin (V)
2022/07/30
2022/07/30
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1047.8
1065.2
Analysis
4
2022 Menlo Open Tournament (D)
2022/07/23
2022/07/23
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1047.8
1065.2
Analysis
3
D4 Individuals 2022 (U11 Open)
2022/04/23
2022/04/23
Tshwane (GTP)
Rapid
30
0.60
7
7
2.0
1136.6
1200.0
Analysis
2
2022 Lubowski Open Tournament (D)
2022/04/09
2022/04/10
Tshwane (GTP)
Standard
90
0.94
5
4
0.0
1136.6
1125.2
Analysis
1
2022 Chris Greyling Open (D)
2022/03/12
2022/03/12
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
33
17
0
16
17.0
51.5
12.9
1226.0
1238.9
White
15
12
0
3
12.0
80.0
255.0
1194.0
1449.0
Black
18
5
0
13
5.0
27.8
-188.9
1252.7
1063.8
Standard
All
33
17
0
16
17.0
51.5
12.9
1226.0
1238.9
White
15
12
0
3
12.0
80.0
255.0
1194.0
1449.0
Black
18
5
0
13
5.0
27.8
-188.9
1252.7
1063.8
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
104
41
3
60
42.5
40.9
-77.6
1203.5
1125.8
White
49
25
0
24
25.0
51.0
8.7
1197.3
1206.0
Black
55
16
3
36
17.5
31.8
-154.5
1209.0
1054.5
Standard
All
97
39
3
55
40.5
41.8
-70.1
1206.3
1136.2
White
45
24
0
21
24.0
53.3
28.3
1200.1
1228.4
Black
52
15
3
34
16.5
31.7
-155.3
1211.8
1056.5
Rapid
All
7
2
0
5
2.0
28.6
-182.1
1163.9
981.8
White
4
1
0
3
1.0
25.0
-212.5
1166.0
953.5
Black
3
1
0
2
1.0
33.3
-141.7
1161.2
1019.5
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1120135739
Pretorius, P (Pieter)
3
1.0
1
0
2
33.3
1144.6
-141.7
1003.0
View list
2
1120133903
Buchner, E (Emil)
3
0.0
0
0
3
0.0
1161.4
-425.0
736.4
View list
3
1120139986
Smit, L (Liam Christo)
2
2.0
2
0
0
100.0
1173.8
425.0
1598.8
View list
4
1120143038
Boshoff, R (Reinhardt)
2
1.0
1
0
1
50.0
1119.0
0.0
1119.0
View list
5
1100157389
Janse Van Rensburg, A (Andreas)
2
1.0
1
0
1
50.0
1134.4
0.0
1134.4
View list
6
2130119628
Loubser, L (Lara)
2
1.0
1
0
1
50.0
1042.9
0.0
1042.9
View list
7
2100131805
Loubser, LA (Lilliene)
2
1.0
1
0
1
50.0
1134.4
0.0
1134.4
View list
8
1120134054
Snyman, J (Jacques)
2
1.0
1
0
1
50.0
1072.5
0.0
1072.5
View list
9
1110109561
Coetzee, M (Marko)
2
0.0
0
0
2
0.0
1092.3
-425.0
667.3
View list
10
1100105140
Jacobs, H (Hanno)
2
0.0
0
0
2
0.0
1171.1
-425.0
746.1
View list
11
1100101506
Kheswa, MZ (Manqoba)
2
0.0
0
0
2
0.0
1042.9
-425.0
617.9
View list
12
1120134234
Moolman, C (Christian)
2
0.0
0
0
2
0.0
1072.5
-425.0
647.5
View list
13
1110118138
Okeke, BC (Brian Chiagozie)
2
0.0
0
0
2
0.0
1116.9
-425.0
691.9
View list
14
1100154132
Asante, P (Prince)
1
1.0
1
0
0
100.0
1136.9
425.0
1561.9
View list
15
2120105112
Bogaard, A (Anneke)
1
1.0
1
0
0
100.0
1190.2
425.0
1615.2
View list
16
1120155245
Booysen, Z (Zian)
1
1.0
1
0
0
100.0
1144.7
425.0
1569.7
View list
17
1120304591
Bogatsu, O (Oarabile)
1
1.0
1
0
0
100.0
1211.1
425.0
1636.1
View list
18
1140134429
Botha, G (Gregory)
1
1.0
1
0
0
100.0
1180.9
425.0
1605.9
View list
19
1140137652
Aikman, D (Desmond Gustav)
1
1.0
1
0
0
100.0
1038.0
425.0
1463.0
View list
20
1100154171
De Meyer, M (Marius)
1
1.0
1
0
0
100.0
1136.9
425.0
1561.9
View list