Chess South Africa Ratings Database

PLAYER PAGE

Personal

Duma, B (Bongeka)

Chess SA id

2020103857

FIDE id

Date of birth

2002-08-04 (Adult)

Gender

Female

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1159.6	1144.8	1198.7	1200
Raw rating	1159.6	1144.8	1184.2	1200
Weighted rating	1152.2	1144.8	1198.7	1200
Weighted performance	723.2	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	175.6	179.4	169.6	165.8
Highest rating	1200 2018-01-01	1200 2018-01-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-01-01	1200 2018-01-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-1.2	0
New rating	1159.6	1144.8	1197.5	1200
Analysis
Rating	1159.6	1144.8	1198.7	1200
Raw rating	1159.6	1144.8	1184.2	1200
Weighted rating	1152.2	1144.8	1198.7
Weighted performance	723.2	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	175.6	179.4	169.6	165.8
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	1159.6	1144.8	1184.2	1200
New weighted rating	1152.9	1144.8	1197.5	1200
New weighted performance	716.8	0	0	0
Temp new rating	1159.6	1144.8	1197.5	1200
Temp new rating +/-	0	0	-1.2	0
Final new rating +/-	0	0	-1.2	0
New rating	1159.6	1144.8	1197.5	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	12	0	12
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	27	15	12

Games since
	Main 12	Standard 0		Rapid 12		Blitz 0
Gender	Female
Age group	Adult
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
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	12	5.5	45.83	-35.4	1207.5	1172.1
Standard	0	0	0	0	0	0
Rapid	12	5.5	45.83	-35.4	1207.5	1172.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	27	12.5	46.3	-31.5	1153.2	1121.8
Standard	15	7	46.67	-28.3	1109.8	1081.5
Rapid	12	5.5	45.83	-35.4	1207.5	1172.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1159.6	1144.8	1184.2	1200
2025-09-30	1151.6	1144.8	1200	1200
2025-09-01	1151.6	1144.8	1200	1200
2025-08-01	1151.6	1144.8	1200	1200
2025-07-01	1151.6	1144.8	1200	1200
2025-06-01	1151.6	1144.8	1200	1200
2025-05-01	1151.6	1144.8	1200	1200
2025-04-01	1151.6	1144.8	1200	1200
2025-03-01	1151.6	1144.8	1200	1200
2025-02-01	1151.6	1144.8	1200	1200
2025-01-01	1151.6	1144.8	1200	1200
2024-12-01	1151.6	1144.8	1200	1200
2024-11-01	1151.6	1144.8	1200	1200
2024-10-01	1151.6	1144.8	1200	1200
2024-09-01	1151.6	1144.8	1200	1200
2024-08-01	1151.6	1144.8	1200	1200
2024-07-01	1151.6	1144.8	1200	1200
2024-09-01	1151.6	1144.8	1200	1200
2024-05-01	1151.6	1144.8	1200	1200
2024-04-01	1151.6	1144.8	1200	1200
2024-03-01	1151.6	1144.8	1200	1200
2024-02-01	1151.6	1144.8	1200	1200
2024-01-01	1151.6	1144.8	1200	1200
2023-12-01	1151.6	1144.8	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Newcastle Mayoral Cup 2025 (U14)	2025-10-18	2025-10-18	Rapid	Amajuba (KAN)	6	6	2	Yes	Analysis
2	Newcastle Zone 3 Osizweni 2025 (U14)	2025-10-12	2025-10-12	Rapid	Amajuba (KAN)	6	6	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Newcastle Mayoral Cup 2025 (U14)	2025-10-18	2025-10-18	Rapid	Amajuba (KAN)	6	6	2	Yes	Analysis
2	Newcastle Zone 3 Osizweni 2025 (U14)	2025-10-12	2025-10-12	Rapid	Amajuba (KAN)	6	6	3.5	Yes	Analysis
3	KZN Schools Winter Games 2019 (U18 Girls)	2019-06-15	2019-06-16	Standard	Ethekwini (KED)	5	5	3	Yes	Analysis
4	2018 Mandela 67 Open (B)	2018-07-21	2018-07-22	Standard	Ethekwini (KED)	6	5	1	Yes	Analysis
5	2018 KZN Schools Championship (U18 Girls)	2018-06-23	2018-06-24	Standard	Ethekwini (KED)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament KZN Schools Winter Games 2019				Tournament Newcastle Zone 3 Osizweni 2025
		date 2019-06-15	rnd 4	type Standard	result 1	date 2025-10-12	rnd 1	type Rapid	result 1
		Opponent Goolams, M (Mashia)				Opponent Sibisi, B (Bonga)
2	3	Tournament 2018 KZN Schools Championship				Tournament 2018 KZN Schools Championship
		date 2018-06-23	rnd 2	type Standard	result 1	date 2018-06-24	rnd 4	type Standard	result 1
		Opponent Sikhakhane, S (Samkeliswe)				Opponent Mthembu, N (Nomus)
3	2	Tournament Newcastle Zone 3 Osizweni 2025				Tournament Newcastle Mayoral Cup 2025
		date 2025-10-12	rnd 6	type Rapid	result 1	date 2025-10-18	rnd 1	type Rapid	result 1
		Opponent Dlamini, L (Lethukuthula)				Opponent Ndlovu, S (Sanele)

#	Games	Start				End
1	3	Tournament 2018 KZN Schools Championship				Tournament 2018 KZN Schools Championship
		date 2018-06-23	rnd 2	type Standard	result 1	date 2018-06-24	rnd 4	type Standard	result 1
		Opponent Sikhakhane, S (Samkeliswe)				Opponent Mthembu, N (Nomus)
2	2	Tournament KZN Schools Winter Games 2019				Tournament KZN Schools Winter Games 2019
		date 2019-06-15	rnd 4	type Standard	result 1	date 2019-06-16	rnd 5	type Standard	result 1
		Opponent Goolams, M (Mashia)				Opponent Mkhize, N (Nokubongwa)
3	2	Tournament 2018 Mandela 67 Open				Tournament KZN Schools Winter Games 2019
		date 2018-07-22	rnd 6	type Standard	result 0.5	date 2019-06-15	rnd 1	type Standard	result 1
		Opponent Zondi, S (Sbusiso)				Opponent Mbatha, A (Anelise)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2018 KZN Schools Championship				Tournament 2018 KZN Schools Championship
		date 2018-06-23	rnd 2	type Standard	result 1	date 2018-06-24	rnd 4	type Standard	result 1
		Opponent Sikhakhane, S (Samkeliswe)				Opponent Mthembu, N (Nomus)
2	2	Tournament KZN Schools Winter Games 2019				Tournament KZN Schools Winter Games 2019
		date 2019-06-15	rnd 4	type Standard	result 1	date 2019-06-16	rnd 5	type Standard	result 1
		Opponent Goolams, M (Mashia)				Opponent Mkhize, N (Nokubongwa)
3	1	Tournament KZN Schools Winter Games 2019				Tournament KZN Schools Winter Games 2019
		date 2019-06-15	rnd 1	type Standard	result 1	date 2019-06-15	rnd 1	type Standard	result 1
		Opponent Mbatha, A (Anelise)				Opponent Mbatha, A (Anelise)

#	Games	Start				End
1	3	Tournament 2018 KZN Schools Championship				Tournament 2018 KZN Schools Championship
		date 2018-06-23	rnd 2	type Standard	result 1	date 2018-06-24	rnd 4	type Standard	result 1
		Opponent Sikhakhane, S (Samkeliswe)				Opponent Mthembu, N (Nomus)
2	2	Tournament KZN Schools Winter Games 2019				Tournament KZN Schools Winter Games 2019
		date 2019-06-15	rnd 4	type Standard	result 1	date 2019-06-16	rnd 5	type Standard	result 1
		Opponent Goolams, M (Mashia)				Opponent Mkhize, N (Nokubongwa)
3	1	Tournament KZN Schools Winter Games 2019				Tournament KZN Schools Winter Games 2019
		date 2019-06-15	rnd 1	type Standard	result 1	date 2019-06-15	rnd 1	type Standard	result 1
		Opponent Mbatha, A (Anelise)				Opponent Mbatha, A (Anelise)

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	Mthembu ,LST (Lwandle)	2	0	-425	0	0	0	2	0	-425	0	0	0
1	Mthembu ,LST (Lwandle)	2	1254.3	829.3	0	0	0	2	1230.2	829.3	0	0	0
2	Goolams ,M (Mashia)	1	1	425	1	1	425	0	0	0	0	0	0
2	Goolams ,M (Mashia)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Makhathini ,W (Wandile)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Makhathini ,W (Wandile)	1	1058.3	633.3	1	1044.7	633.3	0	0	0	0	0	0
4	Sikhakhane ,S (Samkeliswe)	1	1	425	1	1	425	0	0	0	0	0	0
4	Sikhakhane ,S (Samkeliswe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Ndlovu ,N (Ntando)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Ndlovu ,N (Ntando)	1	1166.8	1166.8	1	1160	1166.8	0	0	0	0	0	0
6	Mbatha ,A (Anelise)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mbatha ,A (Anelise)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Zondi ,S (Sbusiso)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Zondi ,S (Sbusiso)	1	1095.6	1095.6	1	1095.2	1095.6	0	0	0	0	0	0
8	Parthiephal ,D (Dayaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Parthiephal ,D (Dayaan)	1	1422	997	1	1417.4	997	0	0	0	0	0	0
9	Jugdev ,S (Sonali)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Jugdev ,S (Sonali)	1	583.8	158.8	1	597.2	158.8	0	0	0	0	0	0
10	Govender ,K (Kaedan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Govender ,K (Kaedan)	1	1245.2	820.2	1	1239.4	820.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Duma, B (Bongeka)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms