Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Botha, CF (Cornelius Frede)
Dob:
1963/03/13 (Adult)
Gender:
Male
Chess SA id:
1630111422
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2022/09/25 (792 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
1015.6
Current Weighted rating
1006.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1015.6
Current highest rating achieved
1102.6
Current floor (min rating allowed)
602.6
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)
±215.6
Current Raw change used (final)
0.0
Projected new Raw rating
1015.6
Projected new Weighed rating
926.2
Projected new Weighted performance
360.4
Projected new final Raw rating (if new WP > new Raw)
1015.6
Projected new highest rating
1102.6
Projected new floor
602.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1015.6
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
964.8
Current Weighted rating
964.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
964.8
Current highest rating achieved
1096.0
Current floor (min rating allowed)
596.0
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)
±231.8
Current Raw change used (final)
0.0
Projected new Raw rating
964.8
Projected new Weighed rating
887.6
Projected new Weighted performance
360.4
Projected new final Raw rating (if new WP > new Raw)
964.8
Projected new highest rating
1096.0
Projected new floor
596.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
964.8
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
1300.0
Current Weighted rating
1269.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1300.0
Current highest rating achieved
1300.0
Current floor (min rating allowed)
800.0
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)
±143.8
Current Raw change used (final)
0.0
Projected new Raw rating
1300.0
Projected new Weighed rating
1170.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1300.0
Projected new floor
800.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1300.0
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
1300.0
Current Weighted rating
1269.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1300.0
Current highest rating achieved
1300.0
Current floor (min rating allowed)
800.0
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)
±143.8
Current Raw change used (final)
0.0
Projected new Raw rating
1300.0
Projected new Weighed rating
1170.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1300.0
Projected new floor
800.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1300.0
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
3
Western Cape Closed Championship 2022 (Open)
2022/09/24
2022/09/25
Cape Winelands (WCW)
Standard
70
0.87
6
5
0.0
1034.5
1022.8
Analysis
2
SA Braille 2022
2022/04/16
2022/04/17
Cape Winelands (WCW)
Standard
90
0.94
5
4
0.0
1102.6
1096.0
Analysis
1
SA Braille Worcester 2019
2019/03/23
2019/03/24
Cape Winelands (WCW)
Standard
90
0.94
5
4
0.0
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
13
0
0
13
0.0
0.0
-425.0
1151.9
726.9
White
7
0
0
7
0.0
0.0
-425.0
1151.8
726.8
Black
6
0
0
6
0.0
0.0
-425.0
1152.0
727.0
Standard
All
13
0
0
13
0.0
0.0
-425.0
1151.9
726.9
White
7
0
0
7
0.0
0.0
-425.0
1151.8
726.8
Black
6
0
0
6
0.0
0.0
-425.0
1152.0
727.0
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
208069933
Sihamba, S (Somila)
1
0.0
0
0
1
0.0
1034.5
-425.0
609.5
View list
2
268080006
Rossouw, J (Joan)
1
0.0
0
0
1
0.0
1102.6
-425.0
677.6
View list
3
158047294
Prins, K (Klasie)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
4
182022823
Meyer, L (Lukas)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
2870100536
Kriel, IM (Isabel Mare)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
2080130602
Koti, Z (Zinathi)
1
0.0
0
0
1
0.0
1034.5
-425.0
609.5
View list
7
1940111420
Henning, J (Johan)
1
0.0
0
0
1
0.0
1102.6
-425.0
677.6
View list
8
145010473
Geyer, D (David)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
207090606
Gcuze, K (Khanya)
1
0.0
0
0
1
0.0
1034.5
-425.0
609.5
View list
10
107064069
Drury, N (Nicholas)
1
0.0
0
0
1
0.0
1034.5
-425.0
609.5
View list
11
156005435
Conradie, AF (Abram)
1
0.0
0
0
1
0.0
1102.6
-425.0
677.6
View list
12
171003456
Bresler, C (Conrad)
1
0.0
0
0
1
0.0
1102.6
-425.0
677.6
View list
13
1090134392
Amar, J (James)
1
0.0
0
0
1
0.0
1034.5
-425.0
609.5
View list
