Chess South Africa
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Chess South Africa
Van Der Merwe, R (Ruben)
Dob:
2011/04/01 (U14)
Gender:
Male
Chess SA id:
1110300264
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/03/02 (209 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
1154.8
Current Weighted rating
1180.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1180.6
Current highest rating achieved
1154.8
Current floor (min rating allowed)
654.8
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)
±176.8
Current Raw change used (final)
0.0
Projected new Raw rating
1154.8
Projected new Weighed rating
1085.5
Projected new Weighted performance
222.4
Projected new final Raw rating (if new WP > new Raw)
1154.8
Projected new highest rating
1154.8
Projected new floor
654.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1154.8
Projected effective change (new Official - current Official)
-25.8
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
1144.0
Current Weighted rating
1175.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1175.9
Current highest rating achieved
1144.0
Current floor (min rating allowed)
644.0
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)
±179.6
Current Raw change used (final)
0.0
Projected new Raw rating
1144.0
Projected new Weighed rating
1081.0
Projected new Weighted performance
222.4
Projected new final Raw rating (if new WP > new Raw)
1144.0
Projected new highest rating
1144.0
Projected new floor
644.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1144.0
Projected effective change (new Official - current Official)
-31.9
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
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
1
JMC Unika School Tournament 2024 (D)
2024/03/02
2024/03/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
3
0.5
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
JMC Unika School Tournament 2024 (D)
2024/03/02
2024/03/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
3
0.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
3
0
1
2
0.5
16.7
-283.3
1001.9
718.6
White
1
0
0
1
0.0
0.0
-425.0
561.5
136.5
Black
2
0
1
1
0.5
25.0
-212.5
1222.2
1009.7
Standard
All
3
0
1
2
0.5
16.7
-283.3
1001.9
718.6
White
1
0
0
1
0.0
0.0
-425.0
561.5
136.5
Black
2
0
1
1
0.5
25.0
-212.5
1222.2
1009.7
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
3
0
1
2
0.5
16.7
-283.3
1001.9
718.6
White
1
0
0
1
0.0
0.0
-425.0
561.5
136.5
Black
2
0
1
1
0.5
25.0
-212.5
1222.2
1009.7
Standard
All
3
0
1
2
0.5
16.7
-283.3
1001.9
718.6
White
1
0
0
1
0.0
0.0
-425.0
561.5
136.5
Black
2
0
1
1
0.5
25.0
-212.5
1222.2
1009.7
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
2130152266
Fofana, T (Tracy)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
2
1120132213
Williams, J (Joshua)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
3
109086018
Joule, M (Micah)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list