Chess South Africa
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Chess South Africa
Onyekwere, V (Vivian)
Dob:
2009/11/27 (U16)
Gender:
Female
Chess SA id:
2090157258
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2023/12/09 (162 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
1173.4
Curent Weighted rating
1187.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1187.7
Current floor (min rating allowed)
701.0
Current highest rating achieved
1201.0
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)
±172.2
Current Raw change used (final)
0.0
Projected new Raw rating
1173.4
Projected new Weighed rating
1186.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1186.2
Projected effective change (new Official - current Official)
-1.5
Projected new highest rating
1201.0
Projected new floor
701.0
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
1209.7
Curent Weighted rating
1206.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1209.7
Current floor (min rating allowed)
709.7
Current highest rating achieved
1209.7
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)
±163.5
Current Raw change used (final)
0.0
Projected new Raw rating
1209.7
Projected new Weighed rating
1206.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1209.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1209.7
Projected new floor
709.7
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
1143.9
Curent Weighted rating
1170.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1170.8
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)
±179.6
Current Raw change used (final)
0.0
Projected new Raw rating
1143.9
Projected new Weighed rating
1167.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1167.8
Projected effective change (new Official - current Official)
-3.0
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.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
Chess is My Lifestyle 2023 (High School Girls)
2023/12/09
2023/12/09
Johannesburg Metro (GJM)
Rapid
30
0.60
5
5
1.5
1201.0
1184.9
Analysis
3
Chess Molecules Rapid 2023 (High School Girls)
2023/09/23
2023/09/23
Ekurhuleni (GE)
Rapid
30
0.60
5
4
2.0
1198.0
1182.4
Analysis
2
2023 Gauteng Top Schools (U15 Girls)
2023/08/19
2023/08/19
West Rand (GWR)
Standard
60
0.83
5
5
2.5
1189.6
1200.0
Analysis
1
Chess Molecules 16 June Tournament 2023 (High School Girls)
2023/06/16
2023/06/16
Ekurhuleni (GE)
Rapid
30
0.60
5
5
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
19
7
2
10
8.0
42.1
-67.1
1203.9
1136.8
White
9
3
1
5
3.5
38.9
-94.4
1197.9
1103.4
Black
10
4
1
5
4.5
45.0
-42.5
1209.3
1166.8
Standard
All
5
2
1
2
2.5
50.0
0.0
1232.7
1232.7
White
2
1
0
1
1.0
50.0
0.0
1204.5
1204.5
Black
3
1
1
1
1.5
50.0
0.0
1251.5
1251.5
Rapid
All
14
5
1
8
5.5
39.3
-91.1
1193.6
1102.5
White
7
2
1
4
2.5
35.7
-121.4
1196.0
1074.6
Black
7
3
0
4
3.0
42.9
-60.7
1191.2
1130.5
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
2070140167
Yalcoue, Z (Zenebou)
2
1.0
1
0
1
50.0
1199.5
0.0
1199.5
View list
2
1070191347
Obioha, C (Chiwendu)
1
1.0
1
0
0
100.0
1201.0
425.0
1626.0
View list
3
2080155630
Sibiya, T (Thandlowethu)
1
1.0
1
0
0
100.0
1189.6
425.0
1614.6
View list
4
2080161028
Rammoneng, K (Kabelo)
1
1.0
1
0
0
100.0
1189.6
425.0
1614.6
View list
5
2080157255
Greta, C (Carnelli)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
2090162461
Kekane, T (Tshireketso)
1
1.0
1
0
0
100.0
1198.0
425.0
1623.0
View list
7
2090157256
Marongwe, A (Anotida)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
2080145938
Mashatola, N (Nomvula Miriam)
1
0.5
0
1
0
50.0
1189.6
0.0
1189.6
View list
9
2090153970
Kiruri, C (Cynthia)
1
0.5
0
1
0
50.0
1201.0
0.0
1201.0
View list
10
2080146674
Oliver, R (Ruby)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
2100112830
Motaung, R (Retshepile)
1
0.0
0
0
1
0.0
1189.6
-425.0
764.6
View list
12
2080105770
Moodley, DD (Dhivya Dhanam)
1
0.0
0
0
1
0.0
1189.6
-425.0
764.6
View list
13
2070140159
Moila, K (Kamogelo Ntombi)
1
0.0
0
0
1
0.0
1201.0
-425.0
776.0
View list
14
2060099126
Malatji, L (Lethabo)
1
0.0
0
0
1
0.0
1201.0
-425.0
776.0
View list
15
2060133808
Mafinya, T (Thama)
1
0.0
0
0
1
0.0
1198.0
-425.0
773.0
View list
16
2080140157
Jain, C (Chesta)
1
0.0
0
0
1
0.0
1198.0
-425.0
773.0
View list
17
2080157253
Chan-Henry, S (Sophie)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
18
2090157252
Bennett, J (Jemmah)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list