Chess South Africa
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Chess South Africa
Van Der Merwe, R (Roan)
Dob:
2005/05/18 (U20)
Gender:
Male
Chess SA id:
105039290
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2019/07/27 (1799 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
712.0
Current Weighted rating
712.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
712.0
Current highest rating achieved
712.0
Current floor (min rating allowed)
500.0
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)
±332.3
Current Raw change used (final)
0.0
Projected new Raw rating
712.0
Projected new Weighed rating
655.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
712.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
712.0
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
712.0
Current Weighted rating
712.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
712.0
Current highest rating achieved
712.0
Current floor (min rating allowed)
500.0
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)
±332.3
Current Raw change used (final)
0.0
Projected new Raw rating
712.0
Projected new Weighed rating
655.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
712.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
712.0
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
830.0
Current Weighted rating
762.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
830.0
Current highest rating achieved
830.0
Current floor (min rating allowed)
500.0
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)
±280.9
Current Raw change used (final)
0.0
Projected new Raw rating
830.0
Projected new Weighed rating
703.4
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
830.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
830.0
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
712.0
Current Weighted rating
712.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
712.0
Current highest rating achieved
712.0
Current floor (min rating allowed)
500.0
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)
±332.3
Current Raw change used (final)
0.0
Projected new Raw rating
712.0
Projected new Weighed rating
655.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
712.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
712.0
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
1
2019 D4 Tshwane South Schools League Team Finals (U15)
2019/07/27
2019/07/27
Tshwane (GTP)
Standard
60
0.83
5
2
0.0
712.0
712.0
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
2
0
0
2
0.0
0.0
-425.0
1250.5
825.5
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
2
0
0
2
0.0
0.0
-425.0
1250.5
825.5
Standard
All
2
0
0
2
0.0
0.0
-425.0
1250.5
825.5
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
2
0
0
2
0.0
0.0
-425.0
1250.5
825.5
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
1040105127
Nzimande, Z (Zanokuhle)
1
0.0
0
0
1
0.0
712.0
-425.0
287.0
View list
2
105020688
Marais, AJ (Alwyn)
1
0.0
0
0
1
0.0
712.0
-425.0
287.0
View list
