Player Page

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
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 rating1021.1
Curent Weighted rating1021.1
Curent Weighted performance576.0
Current official/published rating (highest between Raw, WR and WP)1021.1
Current floor (min rating allowed)616.7
Current highest rating achieved1116.7
Current K-factor40
Games played this month0
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 rating1021.1
Projected new Weighed rating1021.1
Projected new Weighted performance576.0
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 rating1116.7
Projected new floor616.7
Projected new K-facor40
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 rating1007.1
Curent Weighted rating1007.1
Curent Weighted performance571.6
Current official/published rating (highest between Raw, WR and WP)1007.1
Current floor (min rating allowed)624.3
Current highest rating achieved1124.3
Current K-factor40
Games played this month0
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 rating1007.1
Projected new Weighed rating1007.1
Projected new Weighted performance571.6
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 rating1124.3
Projected new floor624.3
Projected new K-facor40
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 rating576.0
Curent Weighted rating576.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)576.0
Current floor (min rating allowed)500.0
Current highest rating achieved576.0
Current K-factor40
Games played this month0
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 rating576.0
Projected new Weighed rating576.0
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 rating576.0
Projected new floor500.0
Projected new K-facor40
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 rating576.0
Curent Weighted rating576.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)576.0
Current floor (min rating allowed)500.0
Current highest rating achieved576.0
Current K-factor40
Games played this month0
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 rating576.0
Projected new Weighed rating576.0
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 rating576.0
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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