Chess South Africa
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Chess South Africa
Van Der Merwe, W (Willem Johan)
Dob:
2010/01/29 (U16)
Gender:
Male
Chess SA id:
1100137452
FIDE id:
Region:
Sarah Baartman (ESB)
Citizen:
RSA
Title(s):
Last active:
2023/08/25 (268 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
1149.2
Curent Weighted rating
1146.7
Curent Weighted performance
946.9
Current official/published rating (highest between Raw, WR and WP)
1149.2
Current floor (min rating allowed)
664.6
Current highest rating achieved
1164.6
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)
±178.3
Current Raw change used (final)
0.0
Projected new Raw rating
1149.2
Projected new Weighed rating
1146.7
Projected new Weighted performance
946.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1149.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1164.6
Projected new floor
664.6
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)
700.0
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
700.0
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
1123.4
Curent Weighted rating
1112.7
Curent Weighted performance
984.5
Current official/published rating (highest between Raw, WR and WP)
1123.4
Current floor (min rating allowed)
625.8
Current highest rating achieved
1125.8
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)
±184.9
Current Raw change used (final)
0.0
Projected new Raw rating
1123.4
Projected new Weighed rating
1113.9
Projected new Weighted performance
984.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1123.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1125.8
Projected new floor
625.8
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)
625.8
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
625.8
Projected new K-facor
36
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
6
Stulting Sportdag 2023 (Senior)
2023/08/25
2023/08/25
Sarah Baartman (ESB)
Rapid
15
0.39
6
6
2.0
1145.8
1125.8
Analysis
5
Paul Sauer Chess Tournament 2023 (Senior)
2023/05/05
2023/05/05
Sarah Baartman (ESB)
Rapid
15
0.39
6
5
3.0
1133.8
1066.6
Analysis
4
The Team Battle 2022 (B)
2022/11/19
2022/11/19
Sarah Baartman (ESB)
Rapid
20
0.47
6
6
1.0
1164.6
1121.8
Analysis
3
Bloeisel Fees 2022 (Primary School A)
2022/10/29
2022/10/29
Sarah Baartman (ESB)
Rapid
15
0.39
7
7
4.0
1140.6
1034.2
Analysis
2
Stulting Sports Day 2022 (Seniors)
2022/08/26
2022/08/26
Sarah Baartman (ESB)
Rapid
15
0.39
13
13
2.0
1200.0
1200.0
Analysis
1
SBDCU First Fide Rated Open Tournament Fountains Mall 2022 (B)
2022/02/18
2022/02/19
Sarah Baartman (ESB)
Standard
90
0.94
5
0
0.0
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
37
12
0
25
12.0
32.4
-149.3
1247.2
1097.9
White
19
5
0
14
5.0
26.3
-201.3
1258.3
1056.9
Black
18
7
0
11
7.0
38.9
-94.4
1235.6
1141.1
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
37
12
0
25
12.0
32.4
-149.3
1247.2
1097.9
White
19
5
0
14
5.0
26.3
-201.3
1258.3
1056.9
Black
18
7
0
11
7.0
38.9
-94.4
1235.6
1141.1
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
1100140908
Botha, X (Xadrian)
2
2.0
2
0
0
100.0
1172.9
425.0
1597.9
View list
2
1110142443
Dunn, R (Rayden)
2
1.0
1
0
1
50.0
1172.9
0.0
1172.9
View list
3
1090137441
Myburgh, B (Bruce)
2
0.0
0
0
2
0.0
1143.2
-425.0
718.2
View list
4
1100137429
Budaza, L (Ludwe)
2
0.0
0
0
2
0.0
1172.9
-425.0
747.9
View list
5
1120140924
Sacks, F (Francis)
2
0.0
0
0
2
0.0
1137.2
-425.0
712.2
View list
6
1090134449
Salie, R (Riaz)
2
0.0
0
0
2
0.0
1172.9
-425.0
747.9
View list
7
2100142461
Draai, K (Kiara)
1
1.0
1
0
0
100.0
1133.8
425.0
1558.8
View list
8
1120112088
Hickman, H (Handro)
1
1.0
1
0
0
100.0
1140.6
425.0
1565.6
View list
9
1090137436
January, P (Pharrel)
1
1.0
1
0
0
100.0
1140.6
425.0
1565.6
View list
10
1150147783
Ndyova, N (Nikolai Mnqobi)
1
1.0
1
0
0
100.0
1164.6
425.0
1589.6
View list
11
2110142419
Petrus, L (Lenique)
1
1.0
1
0
0
100.0
1133.8
425.0
1558.8
View list
12
1100147616
Pyon, A (Adryan)
1
1.0
1
0
0
100.0
1140.6
425.0
1565.6
View list
13
2100153100
Qaqaqa, L (Liyanda)
1
1.0
1
0
0
100.0
1133.8
425.0
1558.8
View list
14
1100146257
Remmelien, C (Cameron)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
15
1100147621
Van Vuuren, G (Gideon)
1
1.0
1
0
0
100.0
1140.6
425.0
1565.6
View list
16
1120138160
Odufawa, O (Oluthando)
1
0.0
0
0
1
0.0
1164.6
-425.0
739.6
View list
17
1120147782
Ndyova, M (Melumzi Eben)
1
0.0
0
0
1
0.0
1164.6
-425.0
739.6
View list
18
1120137440
Munemo, T (Tanaka)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
19
1100112031
Moolman, A (Anrico)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
20
1090140918
Mcetywa, K (Khanya)
1
0.0
0
0
1
0.0
1133.8
-425.0
708.8
View list