Chess South Africa
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Chess South Africa
Van Der Westhuizen, J (Jack)
Dob:
2013/01/02 (U12)
Gender:
Male
Chess SA id:
1130301080
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/08/11 (47 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
Current Raw rating
1372.3
Current Weighted rating
1265.2
Current Weighted performance
1299.6
Current official/published rating (highest between Raw, WR and WP)
1372.3
Current highest rating achieved
1431.1
Current floor (min rating allowed)
931.1
Current K-factor
32
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)
±129.7
Current Raw change used (final)
0.0
Projected new Raw rating
1372.3
Projected new Weighed rating
1166.3
Projected new Weighted performance
1299.6
Projected new final Raw rating (if new WP > new Raw)
1372.3
Projected new highest rating
1431.1
Projected new floor
931.1
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1372.3
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1359.3
Current Weighted rating
1263.0
Current Weighted performance
1299.6
Current official/published rating (highest between Raw, WR and WP)
1359.3
Current highest rating achieved
1422.7
Current floor (min rating allowed)
922.7
Current K-factor
32
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)
±132.1
Current Raw change used (final)
0.0
Projected new Raw rating
1359.3
Projected new Weighed rating
1164.2
Projected new Weighted performance
1299.6
Projected new final Raw rating (if new WP > new Raw)
1359.3
Projected new highest rating
1422.7
Projected new floor
922.7
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1359.3
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
0.0
Current floor (min rating allowed)
700.0
Current K-factor
40
s
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
0.0
Projected new floor
700.0
Projected new K-facor
40
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
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
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
0.0
Current floor (min rating allowed)
700.0
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
0.0
Projected new floor
700.0
Projected new K-facor
40
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
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
7
JMC Closed 2024 (C)
2024/08/09
2024/08/11
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
1.5
1431.1
1422.7
Analysis
6
Fourth Knight Riders Juniors Open Chess Tournament 204 (C)
2024/08/03
2024/08/03
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1431.1
1422.7
Analysis
5
Second Knight Riders Juniors Open Chess Tournament 2024 (C)
2024/06/08
2024/06/08
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1301.3
1303.9
Analysis
4
JMC Trinityhouse Little Falls 2024 (D)
2024/06/02
2024/06/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1301.3
1303.9
Analysis
3
JMC Crawford International Sandton 2024 (D)
2024/05/11
2024/05/11
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1274.4
1274.0
Analysis
2
JMC Helpmekaar Kollege Tournament 2024 (D)
2024/05/04
2024/05/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1274.4
1274.0
Analysis
1
1st Knights Open Tournament 2024 (D)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
7
JMC Closed 2024 (C)
2024/08/09
2024/08/11
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
1.5
1431.1
1422.7
Analysis
6
Fourth Knight Riders Juniors Open Chess Tournament 204 (C)
2024/08/03
2024/08/03
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1431.1
1422.7
Analysis
5
Second Knight Riders Juniors Open Chess Tournament 2024 (C)
2024/06/08
2024/06/08
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1301.3
1303.9
Analysis
4
JMC Trinityhouse Little Falls 2024 (D)
2024/06/02
2024/06/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1301.3
1303.9
Analysis
3
JMC Crawford International Sandton 2024 (D)
2024/05/11
2024/05/11
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1274.4
1274.0
Analysis
2
JMC Helpmekaar Kollege Tournament 2024 (D)
2024/05/04
2024/05/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1274.4
1274.0
Analysis
1
1st Knights Open Tournament 2024 (D)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
35
22
3
10
23.5
67.1
145.7
1250.4
1396.1
White
16
6
2
8
7.0
43.8
-53.1
1269.8
1216.7
Black
19
16
1
2
16.5
86.8
313.2
1234.0
1547.1
Standard
All
35
22
3
10
23.5
67.1
145.7
1250.4
1396.1
White
16
6
2
8
7.0
43.8
-53.1
1269.8
1216.7
Black
19
16
1
2
16.5
86.8
313.2
1234.0
1547.1
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
35
22
3
10
23.5
67.1
145.7
1250.4
1396.1
White
16
6
2
8
7.0
43.8
-53.1
1269.8
1216.7
Black
19
16
1
2
16.5
86.8
313.2
1234.0
1547.1
Standard
All
35
22
3
10
23.5
67.1
145.7
1250.4
1396.1
White
16
6
2
8
7.0
43.8
-53.1
1269.8
1216.7
Black
19
16
1
2
16.5
86.8
313.2
1234.0
1547.1
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1120152458
Chadalavada, B (Bhaarghavarama)
2
1.0
1
0
1
50.0
1366.2
0.0
1366.2
View list
2
1120138230
Moeketsi, M (Mafoko)
2
1.0
1
0
1
50.0
1274.4
0.0
1274.4
View list
3
2140160842
Nyathi, N (Nothando)
1
1.0
1
0
0
100.0
1301.3
425.0
1726.3
View list
4
1120305495
Nolan, T (Tebello)
1
1.0
1
0
0
100.0
1431.1
425.0
1856.1
View list
5
2100133961
Hlatshwayo, S (Silindile)
1
1.0
1
0
0
100.0
1301.3
425.0
1726.3
View list
6
1140192161
Hattingh, J (Johannes)
1
1.0
1
0
0
100.0
1301.3
425.0
1726.3
View list
7
1140301738
Fogolin, O (Oliver)
1
1.0
1
0
0
100.0
1274.4
425.0
1699.4
View list
8
1120147297
Chikwava, R (Ronald)
1
1.0
1
0
0
100.0
1274.4
425.0
1699.4
View list
9
2130192097
Chen, Z (Zoey)
1
1.0
1
0
0
100.0
1301.3
425.0
1726.3
View list
10
1120156716
Mahlangu, B (Bayede)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
2130143997
Mahlangu, A (Amahle)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
12
2120130720
Joule, J (Jessica)
1
1.0
1
0
0
100.0
1274.4
425.0
1699.4
View list
13
1140161313
Mushava, K (Kupakwashe Ayanda Blessin)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
14
1080300244
Bioto, J (Jael)
1
1.0
1
0
0
100.0
1301.3
425.0
1726.3
View list
15
2120147298
Petersen, F (Farah)
1
1.0
1
0
0
100.0
1274.4
425.0
1699.4
View list
16
1140112260
Pillay, J (Joshua)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
17
2140153037
Potgieter, L (Lienke)
1
1.0
1
0
0
100.0
1274.4
425.0
1699.4
View list
18
1120161577
Tierney, G (Grayson)
1
1.0
1
0
0
100.0
1301.3
425.0
1726.3
View list
19
111094848
Tshabalala, H (Happy)
1
1.0
1
0
0
100.0
1431.1
425.0
1856.1
View list
20
1120301093
Tshabalala, M (Matlotlo)
1
1.0
1
0
0
100.0
1301.3
425.0
1726.3
View list