Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Van Der Merwe, R (Ruben)
Dob:
2016/12/02 (U10)
Gender:
Male
Chess SA id:
1160143668
FIDE id:
Region:
Sarah Baartman (ESB)
Citizen:
RSA
Title(s):
Last active:
2024/03/09 (109 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
1124.7
Current Weighted rating
1142.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1142.6
Current highest rating achieved
1150.2
Current floor (min rating allowed)
650.2
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)
±184.6
Current Raw change used (final)
0.0
Projected new Raw rating
1124.7
Projected new Weighed rating
1050.9
Projected new Weighted performance
770.4
Projected new final Raw rating (if new WP > new Raw)
1124.7
Projected new highest rating
1150.2
Projected new floor
650.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1124.7
Projected effective change (new Official - current Official)
-17.9
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
1116.8
Current Weighted rating
1132.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1132.7
Current highest rating achieved
1140.0
Current floor (min rating allowed)
640.0
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)
±186.7
Current Raw change used (final)
0.0
Projected new Raw rating
1116.8
Projected new Weighed rating
1041.8
Projected new Weighted performance
770.4
Projected new final Raw rating (if new WP > new Raw)
1116.8
Projected new highest rating
1140.0
Projected new floor
640.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1116.8
Projected effective change (new Official - current Official)
-15.9
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
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
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
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
1200.0
Current floor (min rating allowed)
700.0
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
2
Kouga Mayor's Cup 2024 (U9)
2024/03/09
2024/03/09
Sarah Baartman (ESB)
Standard
62
0.84
6
5
2.0
1124.7
1111.6
Analysis
1
SBDCU Trial 1 2024 (U10)
2024/02/24
2024/02/24
Sarah Baartman (ESB)
Standard
62
0.84
6
5
1.5
1150.2
1140.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
3
Kouga Mayor's Cup 2024 (U9)
2024/03/09
2024/03/09
Sarah Baartman (ESB)
Standard
62
0.84
6
5
2.0
1124.7
1111.6
Analysis
2
SBDCU Trial 1 2024 (U10)
2024/02/24
2024/02/24
Sarah Baartman (ESB)
Standard
62
0.84
6
5
1.5
1150.2
1140.0
Analysis
1
SBDCU Trials 2022 (U8)
2022/06/25
2022/06/25
Sarah Baartman (ESB)
Standard
60
0.83
6
6
1.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
10
3
1
6
3.5
35.0
-127.5
1200.6
1073.1
White
5
1
1
3
1.5
30.0
-170.0
1193.0
1023.0
Black
5
2
0
3
2.0
40.0
-85.0
1208.1
1123.1
Standard
All
10
3
1
6
3.5
35.0
-127.5
1200.6
1073.1
White
5
1
1
3
1.5
30.0
-170.0
1193.0
1023.0
Black
5
2
0
3
2.0
40.0
-85.0
1208.1
1123.1
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
16
3
4
9
5.0
31.3
-159.4
1200.4
1041.0
White
8
1
3
4
2.5
31.3
-159.4
1195.7
1036.3
Black
8
2
1
5
2.5
31.3
-159.4
1205.0
1045.7
Standard
All
16
3
4
9
5.0
31.3
-159.4
1200.4
1041.0
White
8
1
3
4
2.5
31.3
-159.4
1195.7
1036.3
Black
8
2
1
5
2.5
31.3
-159.4
1205.0
1045.7
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
1150142417
Kettledas, JF (Jerrin Fagan)
3
0.5
0
1
2
16.7
1183.4
-283.3
900.1
View list
2
1150143666
Combrinck, J (James Orion)
2
0.5
0
1
1
25.0
1200.0
-212.5
987.5
View list
3
1160143667
Joubert, J (Jacob Thomas)
2
0.5
0
1
1
25.0
1200.0
-212.5
987.5
View list
4
1160191916
Ludidi, A (Ayolise)
1
1.0
1
0
0
100.0
1124.7
425.0
1549.7
View list
5
1150191915
Jonker, L (Liam)
1
1.0
1
0
0
100.0
1150.2
425.0
1575.2
View list
6
1160300370
Nyabeni, L (Liyonela)
1
1.0
1
0
0
100.0
1124.7
425.0
1549.7
View list
7
1150191911
Du Plessis, A (Adrian)
1
0.5
0
1
0
50.0
1150.2
0.0
1150.2
View list
8
2150191918
Swart, D (Daniella)
1
0.0
0
0
1
0.0
1150.2
-425.0
725.2
View list
9
1160153096
Prinsloo, D (Dawid)
1
0.0
0
0
1
0.0
1124.7
-425.0
699.7
View list
10
1150151715
Mfabana, A (Alunamda)
1
0.0
0
0
1
0.0
1124.7
-425.0
699.7
View list
11
1160191899
Marais, R (Raudin)
1
0.0
0
0
1
0.0
1150.2
-425.0
725.2
View list
12
1160153094
Duvenage, B (Bendre)
1
0.0
0
0
1
0.0
1124.7
-425.0
699.7
View list
