Chess South Africa
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Chess South Africa
Gertzen, R (Rihanna)
Dob:
2008/05/03 (U18)
Gender:
Female
Chess SA id:
2080109421
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2024/04/20 (28 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
Curent Raw rating
1092.4
Curent Weighted rating
1140.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1140.7
Current floor (min rating allowed)
650.2
Current highest rating achieved
1150.2
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)
±193.3
Current Raw change used (final)
0.0
Projected new Raw rating
1092.4
Projected new Weighed rating
1136.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1136.5
Projected effective change (new Official - current Official)
-4.2
Projected new highest rating
1150.2
Projected new floor
650.2
Projected new K-facor
40
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
Curent Raw rating
1071.6
Curent Weighted rating
1128.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1128.8
Current floor (min rating allowed)
640.0
Current highest rating achieved
1140.0
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)
±199.1
Current Raw change used (final)
0.0
Projected new Raw rating
1071.6
Projected new Weighed rating
1123.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1123.8
Projected effective change (new Official - current Official)
-5.0
Projected new highest rating
1140.0
Projected new floor
640.0
Projected new K-facor
40
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
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
Eden Chess Trials 2 2024 (U18)
2024/04/13
2024/04/20
Eden (WEG)
Standard
60
0.83
10
0
0.0
1092.4
1071.6
Analysis
2
Eden School Chess Trials 1 2024 (U18 Girls)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
3
0.0
1143.9
1133.6
Analysis
1
OUDUSSA Trials 2 2024 (U18 Boys+Girls)
2024/02/17
2024/02/17
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1150.2
1140.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
Eden Chess Trials 2 2024 (U18)
2024/04/13
2024/04/20
Eden (WEG)
Standard
60
0.83
10
0
0.0
1092.4
1071.6
Analysis
4
Eden School Chess Trials 1 2024 (U18 Girls)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
3
0.0
1143.9
1133.6
Analysis
3
OUDUSSA Trials 2 2024 (U18 Boys+Girls)
2024/02/17
2024/02/17
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1150.2
1140.0
Analysis
2
Oudtshoorn Trials 3 2019 (U12)
2019/02/16
2019/02/16
Eden District (WEG)
Standard
60
0.83
5
0
0.0
1200.0
1200.0
Analysis
1
Oudtshoorn Trials 2 2019 (U12)
2019/02/09
2019/02/09
Eden District (WEG)
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
8
2
0
6
2.0
25.0
-212.5
1175.0
962.5
White
4
1
0
3
1.0
25.0
-212.5
1148.5
936.0
Black
4
1
0
3
1.0
25.0
-212.5
1201.4
988.9
Standard
All
8
2
0
6
2.0
25.0
-212.5
1175.0
962.5
White
4
1
0
3
1.0
25.0
-212.5
1148.5
936.0
Black
4
1
0
3
1.0
25.0
-212.5
1201.4
988.9
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
2
1
8
2.5
22.7
-231.8
1131.2
899.4
White
6
1
0
5
1.0
16.7
-283.3
1072.9
789.6
Black
5
1
1
3
1.5
30.0
-170.0
1201.1
1031.1
Standard
All
11
2
1
8
2.5
22.7
-231.8
1131.2
899.4
White
6
1
0
5
1.0
16.7
-283.3
1072.9
789.6
Black
5
1
1
3
1.5
30.0
-170.0
1201.1
1031.1
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
1070193200
Goljats, S (Samuel)
1
1.0
1
0
0
100.0
1150.2
425.0
1575.2
View list
2
1060109429
Campher, L (Luwiaan)
1
1.0
1
0
0
100.0
1150.2
425.0
1575.2
View list
3
1080107844
Avontuur, G (Gretin)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
4
2070130742
Esau, M (Monique)
1
0.0
0
0
1
0.0
1143.9
-425.0
718.9
View list
5
108086224
Du Plessis, J (Jayden)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1070107864
Uithaler, K (Keanu)
1
0.0
0
0
1
0.0
1150.2
-425.0
725.2
View list
7
2080107841
Rhenier, R (Roshandre)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
108078095
Kasper, M (Maselino)
1
0.0
0
0
1
0.0
1150.2
-425.0
725.2
View list
9
2070300774
Hone, K (Kayla)
1
0.0
0
0
1
0.0
1143.9
-425.0
718.9
View list
10
1070107875
Bessie, A (Ashwill)
1
0.0
0
0
1
0.0
1150.2
-425.0
725.2
View list
11
206088319
Andrews, K (Kaylin)
1
0.0
0
0
1
0.0
1143.9
-425.0
718.9
View list