Chess South Africa
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Chess South Africa
Ntumba, M (Mbali)
Dob:
2005/05/26 (U20)
Gender:
Female
Chess SA id:
2050101407
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2022/03/21 (790 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
1021.1
Curent Weighted rating
1021.1
Curent Weighted performance
576.0
Current official/published rating (highest between Raw, WR and WP)
1021.1
Current floor (min rating allowed)
616.7
Current highest rating achieved
1116.7
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)
±214.0
Current Raw change used (final)
0.0
Projected new Raw rating
1021.1
Projected new Weighed rating
1021.1
Projected new Weighted performance
576.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1021.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1116.7
Projected new floor
616.7
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
1007.1
Curent Weighted rating
1007.1
Curent Weighted performance
571.6
Current official/published rating (highest between Raw, WR and WP)
1007.1
Current floor (min rating allowed)
624.3
Current highest rating achieved
1124.3
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)
±218.3
Current Raw change used (final)
0.0
Projected new Raw rating
1007.1
Projected new Weighed rating
1007.1
Projected new Weighted performance
571.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1007.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1124.3
Projected new floor
624.3
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
576.0
Curent Weighted rating
576.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
576.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
576.0
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)
±403.4
Current Raw change used (final)
0.0
Projected new Raw rating
576.0
Projected new Weighed rating
576.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
576.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
576.0
Projected new floor
500.0
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
576.0
Curent Weighted rating
576.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
576.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
576.0
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)
±403.4
Current Raw change used (final)
0.0
Projected new Raw rating
576.0
Projected new Weighed rating
576.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
576.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
576.0
Projected new floor
500.0
Projected new K-facor
40
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
12
ACB Premier 2022 (U18)
2022/03/21
2022/03/21
Ekurhuleni (GE)
Standard
60
0.83
7
5
0.0
1116.7
1124.3
Analysis
11
Ekurhuleni North Schools Individual 2021 (B)
2021/09/11
2021/09/11
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1069.9
1067.9
Analysis
10
2019 South African Top Schools Team Championships (U13+U15 Girls)
2020/01/10
2020/01/11
4 Knights (4K)
Standard
90
0.94
5
5
3.0
1054.1
1056.7
Analysis
9
2019 Gauteng School League Finals (U15 Girls)
2019/08/24
2019/08/24
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1032.5
1035.5
Analysis
8
Ekurhuleni North School District Finals 2019 (U15 Girls)
2019/05/11
2019/05/11
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
987.7
981.5
Analysis
7
Boksburg Open 2019 (B)
2019/01/19
2019/01/19
Ekurhuleni (GE)
Standard
60
0.83
5
4
1.0
1005.0
1001.9
Analysis
6
South African Junior Team Championships 2018 (U16-U20 Girls)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
3.0
1026.9
1028.2
Analysis
5
2018 Gauteng League Final (U15-U19 Girls)
2018/08/25
2018/08/25
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
733.6
760.8
Analysis
4
2018 Gauteng Secondary Schools Individual Chess Championships (U15 Girls)
2018/05/26
2018/05/26
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
610.4
610.4
Analysis
3
Ekurhuleni North Schools Individuals 2018 (U15 Girls)
2018/05/12
2018/05/12
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.5
610.4
610.4
Analysis
2
South African Junior Wildcard Championships 2017 (U14 Girls)
2018/01/09
2018/01/12
4 Knights (4K)
Standard
120
1.00
7
7
3.0
576.0
576.0
Analysis
1
South African Junior Team Championships 2017 (U16C)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
6
1.0
576.0
576.0
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
63
28
1
34
28.5
45.2
-40.5
1022.4
981.9
White
35
20
0
15
20.0
57.1
60.7
1061.0
1121.7
Black
28
8
1
19
8.5
30.4
-167.0
974.1
807.1
Standard
All
63
28
1
34
28.5
45.2
-40.5
1022.4
981.9
White
35
20
0
15
20.0
57.1
60.7
1061.0
1121.7
Black
28
8
1
19
8.5
30.4
-167.0
974.1
807.1
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
2030101415
Cannon, K (Kaylyn Sidney)
2
1.0
1
0
1
50.0
818.7
0.0
818.7
View list
2
2050105873
Kabemba, B (Bernice)
2
0.0
0
0
2
0.0
1043.3
-425.0
618.3
View list
3
205073351
Brand, R (Robin)
1
1.0
1
0
0
100.0
576.0
425.0
1001.0
View list
4
204047291
Du Plessis, AA (Anna)
1
1.0
1
0
0
100.0
1032.5
425.0
1457.5
View list
5
2050099166
Gwativenga, V (Victoria)
1
1.0
1
0
0
100.0
1032.5
425.0
1457.5
View list
6
2060118296
Gboriaga, P (Precious)
1
1.0
1
0
0
100.0
1032.5
425.0
1457.5
View list
7
201008122
Du Randt, V (Vianca)
1
1.0
1
0
0
100.0
733.6
425.0
1158.6
View list
8
203086498
Bosch, B (Bernice)
1
1.0
1
0
0
100.0
1026.9
425.0
1451.9
View list
9
205087204
Katsande, A (Ashlynn)
1
1.0
1
0
0
100.0
987.7
425.0
1412.7
View list
10
204081301
Khwalo, ST (Siphozinhle Thembi)
1
1.0
1
0
0
100.0
576.0
425.0
1001.0
View list
11
205077608
Khoza, B (Boitumelo)
1
1.0
1
0
0
100.0
1026.9
425.0
1451.9
View list
12
204091522
Kwalo, T (Thembi)
1
1.0
1
0
0
100.0
987.7
425.0
1412.7
View list
13
2040115767
Makgala, R (Realeboga)
1
1.0
1
0
0
100.0
1054.1
425.0
1479.1
View list
14
204071174
Malaza, G (Gugu)
1
1.0
1
0
0
100.0
610.4
425.0
1035.4
View list
15
2030135366
Martin, N (Nicole)
1
1.0
1
0
0
100.0
1069.9
425.0
1494.9
View list
16
2040098551
Masemola, A (Akhani)
1
1.0
1
0
0
100.0
610.4
425.0
1035.4
View list
17
2070135367
Mathabele, N (Natasha)
1
1.0
1
0
0
100.0
1069.9
425.0
1494.9
View list
18
2040117060
Mostert, K (Karla)
1
1.0
1
0
0
100.0
1054.1
425.0
1479.1
View list
19
2030099201
Mphahlele, L (Lehlogonolo)
1
1.0
1
0
0
100.0
733.6
425.0
1158.6
View list
20
2010105894
Mphofela, S (Shantika)
1
1.0
1
0
0
100.0
733.6
425.0
1158.6
View list