Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Van Tonder, WF (Willem Frederick)
Dob:
1964/04/29 (Adult)
Gender:
Male
Chess SA id:
1640112268
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
PA
Last active:
2023/09/09 (251 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
1203.1
Curent Weighted rating
1187.3
Curent Weighted performance
1030.9
Current official/published rating (highest between Raw, WR and WP)
1203.1
Current floor (min rating allowed)
734.8
Current highest rating achieved
1234.8
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)
±165.1
Current Raw change used (final)
0.0
Projected new Raw rating
1203.1
Projected new Weighed rating
1189.2
Projected new Weighted performance
1030.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1203.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1234.8
Projected new floor
734.8
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
1208.2
Curent Weighted rating
1189.3
Curent Weighted performance
1045.6
Current official/published rating (highest between Raw, WR and WP)
1208.2
Current floor (min rating allowed)
719.4
Current highest rating achieved
1219.4
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)
±163.9
Current Raw change used (final)
0.0
Projected new Raw rating
1208.2
Projected new Weighed rating
1191.6
Projected new Weighted performance
1045.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1208.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1219.4
Projected new floor
719.4
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
1244.1
Curent Weighted rating
1231.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1244.1
Current floor (min rating allowed)
744.1
Current highest rating achieved
1244.1
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)
±155.7
Current Raw change used (final)
0.0
Projected new Raw rating
1244.1
Projected new Weighed rating
1232.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1244.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1244.1
Projected new floor
744.1
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
1056.0
Curent Weighted rating
1056.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1056.1
Current floor (min rating allowed)
744.1
Current highest rating achieved
1100.0
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)
±203.6
Current Raw change used (final)
0.0
Projected new Raw rating
1056.0
Projected new Weighed rating
1056.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1056.0
Projected effective change (new Official - current Official)
-0.1
Projected new highest rating
1100.0
Projected new floor
744.1
Projected new K-facor
40
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
20
CW Top Schools 2023 (Intermediate)
2023/08/12
2023/08/12
West Coast (WCU)
Standard
60
0.83
5
5
4.0
1151.5
1147.4
Analysis
19
WP Club League 2023 (C)
2023/07/29
2023/09/09
Cape Town (WCT)
Standard
120
1.00
11
1
0.0
1213.9
1219.4
Analysis
18
Cape Town Open 2023 (Intermediate)
2023/03/25
2023/03/26
Cape Town (WCT)
Standard
70
0.87
6
6
3.0
1161.5
1158.6
Analysis
17
South African Open 2022 (Blitz)
2022/07/14
2022/07/14
Cape Town (WCT)
Blitz
5
0.18
10
9
2.0
1220.6
1100.0
Analysis
16
South African Open 2022 (B)
2022/07/09
2022/07/17
Cape Town (WCT)
Standard
120
1.00
11
10
2.5
1220.6
1200.7
Analysis
15
Drakenstein Pioneers Open 2022 (B)
2022/03/26
2022/03/26
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.0
1169.3
1135.2
Analysis
14
Moja Open 2022 (C)
2022/03/19
2022/03/20
Frances Baard (NCF)
Standard
90
0.94
5
5
3.5
1169.3
1135.2
Analysis
13
Cape Winelands Open 2022 (Intermediate)
2022/02/12
2022/02/13
Cape Winelands (WCW)
Standard
70
0.87
6
6
3.0
1173.7
1132.0
Analysis
12
Western Cape Closed 2021 (Open)
2021/09/24
2021/09/25
Cape Winelands (WCW)
Standard
70
0.87
6
4
0.5
1230.4
1199.0
Analysis
11
2020 Western Province Open (Prestige)
2020/03/07
2020/03/08
Cape Town (WCT)
Standard
70
0.87
6
6
3.0
1234.8
1198.6
Analysis
10
Nelson Mandela Rapid 2020 (Open)
2020/02/01
2020/02/01
Cape Town (WCT)
Rapid
27
0.57
6
6
2.5
1202.8
1181.6
Analysis
9
2019 South African Juior Blitz Championship (B)
2020/01/05
2020/01/05
4 Knights (4K)
Blitz
5
0.18
7
7
3.0
1209.3
1200.0
Analysis
8
2019 Kraaifontein Open (Open)
2019/12/06
2019/12/08
Cape Town (WCT)
Standard
75
0.89
6
6
2.0
1212.8
1200.0
Analysis
7
2019 Western Cape Closed Chess Championships (D)
2019/09/21
2019/09/22
Cape Winelands (WCW)
Standard
70
0.87
6
6
5.0
1133.3
1101.6
Analysis
6
3rd ACL Chess Festival 2019 (Open)
2019/09/05
2019/09/05
Cape Town (WCT)
Rapid
25
0.54
6
6
2.0
1133.3
1238.8
Analysis
5
Western Cape Womans Month Tournament 2019 (Elite)
2019/08/09
2019/08/11
West Coast (WCU)
Standard
90
0.94
7
6
2.0
1174.6
1154.0
Analysis
4
2019 Western Province League (E)
2019/07/27
2019/08/10
Cape Town (WCT)
Standard
60
0.83
9
6
2.0
1174.6
1154.0
Analysis
3
2019 Elsies River Open (Open)
2019/06/22
2019/06/23
Cape Town (WCT)
Standard
70
0.87
6
6
2.0
1192.4
1193.2
Analysis
2
Drakenstein Dragons Rapid 2019 (Open)
2019/06/15
2019/06/15
Cape Winelands (WCW)
Rapid
15
0.39
7
7
3.5
1192.4
1200.0
Analysis
1
Cape Winelands Open 2019 (B)
2019/04/27
2019/04/27
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
Standard
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
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
118
47
9
62
51.5
43.6
-54.0
1237.8
1183.8
White
58
24
6
28
27.0
46.6
-29.3
1230.9
1201.6
Black
60
23
3
34
24.5
40.8
-77.9
1244.5
1166.6
Standard
All
83
35
7
41
38.5
46.4
-30.7
1206.5
1175.8
White
40
18
4
18
20.0
50.0
0.0
1199.3
1199.3
Black
43
17
3
23
18.5
43.0
-59.3
1213.3
1154.0
Rapid
All
19
7
2
10
8.0
42.1
-67.1
1373.5
1306.4
White
10
4
2
4
5.0
50.0
0.0
1376.7
1376.7
Black
9
3
0
6
3.0
33.3
-141.7
1369.9
1228.2
Blitz
All
16
5
0
11
5.0
31.3
-159.4
1239.1
1079.7
White
8
2
0
6
2.0
25.0
-212.5
1207.0
994.5
Black
8
3
0
5
3.0
37.5
-106.3
1271.2
1165.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
287094417
Conradie, M (Magda)
2
1.0
1
0
1
50.0
1194.9
0.0
1194.9
View list
2
157003719
Brown, D (Deon)
2
0.0
0
0
2
0.0
1206.5
-425.0
781.5
View list
3
104093014
Manuel, C (Conner)
2
0.0
0
0
2
0.0
1194.9
-425.0
769.9
View list
4
1050097108
Segelaar, G (Geriant)
2
0.0
0
0
2
0.0
1171.3
-425.0
746.3
View list
5
2090138802
Chamberlain, C (Chrismari)
1
1.0
1
0
0
100.0
1151.5
425.0
1576.5
View list
6
109087781
Bosman, P (Petrus)
1
1.0
1
0
0
100.0
1202.8
425.0
1627.8
View list
7
104046617
Booysen, L (Louis)
1
1.0
1
0
0
100.0
1212.8
425.0
1637.8
View list
8
198053731
Cloete, JB (Jade Barry)
1
1.0
1
0
0
100.0
1220.6
425.0
1645.6
View list
9
2090096747
Anathi, N (Ntlahla)
1
1.0
1
0
0
100.0
1133.3
425.0
1558.3
View list
10
1050098117
Adonis, K (Keenan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
199000216
Adams, M (Matthew)
1
1.0
1
0
0
100.0
1192.4
425.0
1617.4
View list
12
1620106239
Abrahams, A (Abraham)
1
1.0
1
0
0
100.0
1192.4
425.0
1617.4
View list
13
106002408
Blomerus, K (Kian)
1
1.0
1
0
0
100.0
1212.8
425.0
1637.8
View list
14
103076866
Du Plessis, F (Francois)
1
1.0
1
0
0
100.0
1133.3
425.0
1558.3
View list
15
2050115858
Ebrahim, A (Aqeelah)
1
1.0
1
0
0
100.0
1133.3
425.0
1558.3
View list
16
206069537
Edeani, C (Chidinma)
1
1.0
1
0
0
100.0
1209.3
425.0
1634.3
View list
17
108069538
Edeani, T (Tobenna)
1
1.0
1
0
0
100.0
1209.3
425.0
1634.3
View list
18
206055118
Ellman, A (Anne-Belle)
1
1.0
1
0
0
100.0
1174.6
425.0
1599.6
View list
19
207090606
Gcuze, K (Khanya)
1
1.0
1
0
0
100.0
1192.4
425.0
1617.4
View list
20
206079707
Gelant, R (Rozaan)
1
1.0
1
0
0
100.0
1151.5
425.0
1576.5
View list