Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ntumba, M (Mbali)

Chess SA id

2050101407

FIDE id

Date of birth

2005-05-26 (Adult)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-03-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1021.1	1007.1	576	576
Raw rating	1021.1	1007.1	576	576
Weighted rating	1021.1	1007.1	576	576
Weighted performance	399.9	396.7	0	0
Floor	616.7	624.3	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	214	218.3	403.4	403.4
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1116.7 2021-10-01	1124.3 2021-10-01	576 2024-02-01	576 2024-02-01
Highest weighted rating	1116.7 2024-11-01	1124.3 2024-11-01	576 2024-11-01	576 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1021.1	1007.1	576	576
Analysis
Rating	1021.1	1007.1	576	576
Raw rating	1021.1	1007.1	576	576
Weighted rating	1021.1	1007.1	576
Weighted performance	399.9	396.7	0
K-factor	40	40	40	40
Floor	616.7	624.3	500	500
Max/Min rating change allowed	214	218.3	403.4	403.4
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1021.1	1007.1	576	576
New weighted rating	1021.1	1007.1	576	576
New weighted performance	399.5	396.3	0	0
Temp new rating	1021.1	1007.1	576	576
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1021.1	1007.1	576	576
New K-factor	40	40	40	40
New floor	616.7	624.3	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	5	5	0
	5	5	0
History	82	76	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	63	28.5	45.24	-40.5	1022.4	981.9
Standard	63	28.5	45.24	-40.5	1022.4	981.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1021.1	1007.1	576	576
2025-09-01	1021.1	1007.1	576	576
2025-08-01	1021.1	1007.1	576	576
2025-07-01	1021.1	1007.1	576	576
2025-06-01	1021.1	1007.1	576	576
2025-05-01	1021.1	1007.1	576	576
2025-04-01	1021.1	1007.1	576	576
2025-03-01	1021.1	1007.1	576	576
2025-02-01	1021.1	1007.1	576	576
2025-01-01	1021.1	1007.1	576	576
2024-12-01	1021.1	1007.1	576	576
2024-11-01	1021.1	1007.1	576	576
2024-10-01	1021.1	1007.1	576	576
2024-09-01	1021.1	1007.1	576	576
2024-08-01	1021.1	1007.1	576	576
2024-07-01	1021.1	1007.1	576	576
2024-06-01	1021.1	1007.1	576	576
2024-08-01	1021.1	1007.1	576	576
2024-04-01	1021.1	1007.1	576	576
2024-03-01	1021.1	1007.1	576	576
2024-02-01	1021.1	1007.1	576	576
2024-01-01	1021.1	1007.1	576	576
2023-12-01	1021.1	1007.1	576	576
2023-11-01	1021.1	1007.1	576	576

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	ACB Premier 2022 (U18)	2022-03-21	2022-03-21	Standard	Ekurhuleni (GE)	7	5	0	Yes	Analysis
2	Ekurhuleni North Schools Individual 2021 (B)	2021-09-11	2021-09-11	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	2019 South African Top Schools Team Championships (U13+U15 Girls)	2020-01-10	2020-01-11	Standard	4 Knights (4K)	5	5	3	Yes	Analysis
4	2019 Gauteng School League Finals (U15 Girls)	2019-08-24	2019-08-24	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	Ekurhuleni North School District Finals 2019 (U15 Girls)	2019-05-11	2019-05-11	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
6	Boksburg Open 2019 (B)	2019-01-19	2019-01-19	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
7	South African Junior Team Championships 2018 (U16-U20 Girls)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
8	2018 Gauteng League Final (U15-U19 Girls)	2018-08-25	2018-08-25	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
9	2018 Gauteng Secondary Schools Individual Chess Championships (U15 Girls)	2018-05-26	2018-05-26	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
10	Ekurhuleni North Schools Individuals 2018 (U15 Girls)	2018-05-12	2018-05-12	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
11	South African Junior Wildcard Championships 2017 (U14 Girls)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
12	South African Junior Team Championships 2017 (U16C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-25	rnd 1	type Standard	result 1	date 2018-08-25	rnd 3	type Standard	result 1
		Opponent Du Randt, V (Vianca)				Opponent Mphofela, S (Shantika)
2	3	Tournament Ekurhuleni North Schools Individuals 2018				Tournament Ekurhuleni North Schools Individuals 2018
		date 2018-05-12	rnd 1	type Standard	result 1	date 2018-05-12	rnd 3	type Standard	result 1
		Opponent Cannon, K (Kaylyn Sidney)				Opponent Njiva, P (Phezile)
3	2	Tournament Ekurhuleni North Schools Individual 2021				Tournament Ekurhuleni North Schools Individual 2021
		date 2021-09-11	rnd 2	type Standard	result 1	date 2021-09-11	rnd 3	type Standard	result 1
		Opponent Mathabele, N (Natasha)				Opponent Martin, N (Nicole)

#	Games	Start				End
1	3	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-25	rnd 1	type Standard	result 1	date 2018-08-25	rnd 3	type Standard	result 1
		Opponent Du Randt, V (Vianca)				Opponent Mphofela, S (Shantika)
2	3	Tournament Ekurhuleni North Schools Individuals 2018				Tournament Ekurhuleni North Schools Individuals 2018
		date 2018-05-12	rnd 1	type Standard	result 1	date 2018-05-12	rnd 3	type Standard	result 1
		Opponent Cannon, K (Kaylyn Sidney)				Opponent Njiva, P (Phezile)
3	2	Tournament Ekurhuleni North Schools Individual 2021				Tournament Ekurhuleni North Schools Individual 2021
		date 2021-09-11	rnd 2	type Standard	result 1	date 2021-09-11	rnd 3	type Standard	result 1
		Opponent Mathabele, N (Natasha)				Opponent Martin, N (Nicole)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-25	rnd 1	type Standard	result 1	date 2018-08-25	rnd 3	type Standard	result 1
		Opponent Du Randt, V (Vianca)				Opponent Mphofela, S (Shantika)
2	2	Tournament Ekurhuleni North Schools Individual 2021				Tournament Ekurhuleni North Schools Individual 2021
		date 2021-09-11	rnd 2	type Standard	result 1	date 2021-09-11	rnd 3	type Standard	result 1
		Opponent Mathabele, N (Natasha)				Opponent Martin, N (Nicole)
3	2	Tournament 2019 South African Top Schools Team Championships				Tournament 2019 South African Top Schools Team Championships
		date 2020-01-10	rnd 3	type Standard	result 1	date 2020-01-11	rnd 4	type Standard	result 1
		Opponent Makgala, R (Realeboga)				Opponent Mostert, K (Karla)

#	Games	Start				End
1	3	Tournament 2018 Gauteng League Final				Tournament 2018 Gauteng League Final
		date 2018-08-25	rnd 1	type Standard	result 1	date 2018-08-25	rnd 3	type Standard	result 1
		Opponent Du Randt, V (Vianca)				Opponent Mphofela, S (Shantika)
2	2	Tournament Ekurhuleni North Schools Individual 2021				Tournament Ekurhuleni North Schools Individual 2021
		date 2021-09-11	rnd 2	type Standard	result 1	date 2021-09-11	rnd 3	type Standard	result 1
		Opponent Mathabele, N (Natasha)				Opponent Martin, N (Nicole)
3	2	Tournament 2019 South African Top Schools Team Championships				Tournament 2019 South African Top Schools Team Championships
		date 2020-01-10	rnd 3	type Standard	result 1	date 2020-01-11	rnd 4	type Standard	result 1
		Opponent Makgala, R (Realeboga)				Opponent Mostert, K (Karla)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Kabemba ,B (Bernice)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Kabemba ,B (Bernice)	2	1105.2	680.2	2	1076.6	680.2	0	0	0	0	0	0
2	Cannon ,K (Kaylyn Sidney)	2	1	0	2	1	0	0	0	0	0	0	0
2	Cannon ,K (Kaylyn Sidney)	2	1237.8	1237.8	2	1249.6	1237.8	0	0	0	0	0	0
3	Makgala ,R (Realeboga)	1	1	425	1	1	425	0	0	0	0	0	0
3	Makgala ,R (Realeboga)	1	1119	1544	1	1098.4	1544	0	0	0	0	0	0
4	Van Der Westhuizen ,C (Courtney)	1	1	425	1	1	425	0	0	0	0	0	0
4	Van Der Westhuizen ,C (Courtney)	1	1070	1495	1	991.2	1495	0	0	0	0	0	0
5	Loganathan ,R (Rivashan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Loganathan ,R (Rivashan)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Bothma ,I (Isabella)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Bothma ,I (Isabella)	1	576.2	151.2	1	576.2	151.2	0	0	0	0	0	0
7	Van Den Berg ,K (Kris)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van Den Berg ,K (Kris)	1	743.2	318.2	1	743.2	318.2	0	0	0	0	0	0
8	Roseler ,T (Tatiana)	1	1	425	1	1	425	0	0	0	0	0	0
8	Roseler ,T (Tatiana)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Khoza ,B (Boitumelo)	1	1	425	1	1	425	0	0	0	0	0	0
9	Khoza ,B (Boitumelo)	1	860.5	1285.5	1	849.3	1285.5	0	0	0	0	0	0
10	Botes ,C (Carnelle)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Botes ,C (Carnelle)	1	706.2	281.2	1	706.2	281.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Ntumba, M (Mbali)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms