Chess South Africa
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Chess South Africa
Abrahams, R (Riedewaan)
Dob:
2002/02/27 (Adult)
Gender:
Male
Chess SA id:
1020148251
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2022/12/13 (712 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
1239.6
Current Weighted rating
1239.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1239.6
Current highest rating achieved
1239.6
Current floor (min rating allowed)
739.6
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)
±156.7
Current Raw change used (final)
0.0
Projected new Raw rating
1239.6
Projected new Weighed rating
1140.4
Projected new Weighted performance
457.4
Projected new final Raw rating (if new WP > new Raw)
1239.6
Projected new highest rating
1239.6
Projected new floor
739.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1239.6
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
1286.1
Current Weighted rating
1286.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1286.1
Current highest rating achieved
1286.1
Current floor (min rating allowed)
786.1
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)
±146.7
Current Raw change used (final)
0.0
Projected new Raw rating
1286.1
Projected new Weighed rating
1183.2
Projected new Weighted performance
481.4
Projected new final Raw rating (if new WP > new Raw)
1286.1
Projected new highest rating
1286.1
Projected new floor
786.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1286.1
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
Summer Slam 2022 (C)
2022/12/13
2022/12/13
Cape Town (WCT)
Rapid
20
0.47
6
5
4.0
1215.6
1240.0
Analysis
1
2019 Rylands Library Winter Slam (Beginner)
2019/06/27
2019/06/27
Cape Town (WCT)
Rapid
15
0.39
6
6
4.0
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
11
8
0
3
8.0
72.7
193.2
1198.4
1391.6
White
5
4
0
1
4.0
80.0
255.0
1200.0
1455.0
Black
6
4
0
2
4.0
66.7
141.7
1197.1
1338.8
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
11
8
0
3
8.0
72.7
193.2
1198.4
1391.6
White
5
4
0
1
4.0
80.0
255.0
1200.0
1455.0
Black
6
4
0
2
4.0
66.7
141.7
1197.1
1338.8
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
1090116396
Lewis, M (Muazzam)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1060116417
Pringle, S (Shakeel)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1060115863
Patel, M (Mohammed)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
2100116423
Patel, A (Ayesha)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1050148293
Nero, T (Tonia)
1
1.0
1
0
0
100.0
1215.6
425.0
1640.6
View list
6
2110138767
Mgujulwa, S (Sinazo)
1
1.0
1
0
0
100.0
1215.6
425.0
1640.6
View list
7
1110147449
Van Wyk, C (Cayllum)
1
1.0
1
0
0
100.0
1215.6
425.0
1640.6
View list
8
1110148307
Van Der Merwe, N (Noah)
1
1.0
1
0
0
100.0
1215.6
425.0
1640.6
View list
9
1690116429
Talmarkes, M (Matthew)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
1050148206
Sokujika, U (Unam Eric)
1
0.0
0
0
1
0.0
1215.6
-425.0
790.6
View list
11
104072764
Losper, Z (Zubair)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
