Chess South Africa
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Chess South Africa
Van Der Merwe, R (Ruan)
Dob:
2007/07/02 (U18)
Gender:
Male
Chess SA id:
1070104269
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2018/10/27 (2248 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
1174.5
Current Weighted rating
1174.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1174.5
Current highest rating achieved
1192.3
Current floor (min rating allowed)
692.3
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)
±172.0
Current Raw change used (final)
0.0
Projected new Raw rating
1174.5
Projected new Weighed rating
1080.5
Projected new Weighted performance
129.5
Projected new final Raw rating (if new WP > new Raw)
1174.5
Projected new highest rating
1192.3
Projected new floor
692.3
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1174.5
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
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
1144.4
Current Weighted rating
1144.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1144.4
Current highest rating achieved
1188.0
Current floor (min rating allowed)
688.0
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)
±179.5
Current Raw change used (final)
0.0
Projected new Raw rating
1144.4
Projected new Weighed rating
1052.8
Projected new Weighted performance
136.3
Projected new final Raw rating (if new WP > new Raw)
1144.4
Projected new highest rating
1188.0
Projected new floor
688.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1144.4
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.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Courtrai Young Masters 2018 (U12)
2018/10/27
2018/10/27
Cape Winelands (WCW)
Rapid
15
0.39
7
5
2.0
1192.3
1188.0
Analysis
1
Cape Winelands Schools Chess - Top Schools 2018 (U13 Mix)
2018/07/28
2018/07/28
Cape Winelands (WCW)
Rapid
30
0.60
5
4
2.0
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
9
4
0
5
4.0
44.4
-47.2
1102.3
1055.0
White
5
3
0
2
3.0
60.0
85.0
1056.4
1141.4
Black
4
1
0
3
1.0
25.0
-212.5
1159.6
947.1
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
9
4
0
5
4.0
44.4
-47.2
1102.3
1055.0
White
5
3
0
2
3.0
60.0
85.0
1056.4
1141.4
Black
4
1
0
3
1.0
25.0
-212.5
1159.6
947.1
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
101011223
Grobbelaar, A (Altus)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1070107099
Khan, I (Isa)
1
1.0
1
0
0
100.0
1192.3
425.0
1617.3
View list
3
1060107100
Therion, C (Christiaan)
1
1.0
1
0
0
100.0
1192.3
425.0
1617.3
View list
4
1070104272
White, D (Dvenerio)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1070097988
Venter, P (Phillip)
1
0.0
0
0
1
0.0
1192.3
-425.0
767.3
View list
6
1060096742
Van Der Westhuizen, A (Andre)
1
0.0
0
0
1
0.0
1192.3
-425.0
767.3
View list
7
107060804
Rennie, D (David)
1
0.0
0
0
1
0.0
1192.3
-425.0
767.3
View list
8
206072029
Jaap, I (Isabella)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
1050104275
April, W (Waleed)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
