Chess South Africa Ratings Database

PLAYER PAGE

Personal

Duma, S (Sphesihle)

Chess SA id

1910104054

FIDE id

Date of birth

1991-04-22 (Adult)

Gender

Male

Region

Chess South Africa (CSA)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-07-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1273.5	1266.7	1300	1300
Raw rating	1273.5	1266.7	1300	1300
Weighted rating	1273.2	1266.4	1299.7	1299.7
Weighted performance	0	0	0	0
Floor	773.5	766.7	800	800
K-factor	36	36	36	36
Min/Max rating change allowed	149.3	150.8	143.8	143.8
Highest rating	1273.5 2024-02-01	1266.7 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest raw rating	1273.5 2024-02-01	1266.7 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest weighted rating	1270.5 2025-08-01	1264 2025-08-01	1296.7 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1273.5	1266.7	1300	1300
Analysis
Rating	1273.5	1266.7	1300	1300
Raw rating	1273.5	1266.7	1300	1300
Weighted rating	1273.2	1266.4	1299.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	773.5	766.7	800	800
Max/Min rating change allowed	149.3	150.8	143.8	143.8
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	1273.5	1266.7	1300	1300
New weighted rating	1273.5	1266.7	1300	1300
New weighted performance	0	0	0	0
Temp new rating	1273.5	1266.7	1300	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1273.5	1266.7	1300	1300
New K-factor	36	36	36	36
New floor	773.5	766.7	800	800

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	9	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Chess South Africa (CSA)
Province
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-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	9	4	44.44	-47.2	1203.3	1156.1
Standard	9	4	44.44	-47.2	1203.3	1156.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1273.5	1266.7	1300	1300
2025-09-30	1273.5	1266.7	1300	1300
2025-09-01	1273.5	1266.7	1300	1300
2025-08-01	1273.5	1266.7	1300	1300
2025-07-01	1273.5	1266.7	1300	1300
2025-06-01	1273.5	1266.7	1300	1300
2025-05-01	1273.5	1266.7	1300	1300
2025-04-01	1273.5	1266.7	1300	1300
2025-03-01	1273.5	1266.7	1300	1300
2025-02-01	1273.5	1266.7	1300	1300
2025-01-01	1273.5	1266.7	1300	1300
2024-12-01	1273.5	1266.7	1300	1300
2024-11-01	1273.5	1266.7	1300	1300
2024-10-01	1273.5	1266.7	1300	1300
2024-09-01	1273.5	1266.7	1300	1300
2024-08-01	1273.5	1266.7	1300	1300
2024-07-01	1273.5	1266.7	1300	1300
2024-09-01	1273.5	1266.7	1300	1300
2024-05-01	1273.5	1266.7	1300	1300
2024-04-01	1273.5	1266.7	1300	1300
2024-03-01	1273.5	1266.7	1300	1300
2024-02-01	1273.5	1266.7	1300	1300
2024-01-01	1273.5	1266.7	1300	1300
2023-12-01	1183.8	1186.4	1200	1200

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	2018 USSA Championship (Open)	2018-07-02	2018-07-06	Standard	Gert Sibande (MGS)	9	9	4	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-03	rnd 4	type Standard	result 1	date 2018-07-05	rnd 6	type Standard	result 1
		Opponent Magwaza, N (Ntokozo)				Opponent Maupa, S (Simon)
2	1	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-06	rnd 9	type Standard	result 1	date 2018-07-06	rnd 9	type Standard	result 1
		Opponent Chipumuro, L (Leeroy)				Opponent Chipumuro, L (Leeroy)

#	Games	Start				End
1	3	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-03	rnd 4	type Standard	result 1	date 2018-07-05	rnd 6	type Standard	result 1
		Opponent Magwaza, N (Ntokozo)				Opponent Maupa, S (Simon)
2	1	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-06	rnd 9	type Standard	result 1	date 2018-07-06	rnd 9	type Standard	result 1
		Opponent Chipumuro, L (Leeroy)				Opponent Chipumuro, L (Leeroy)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-03	rnd 4	type Standard	result 1	date 2018-07-05	rnd 6	type Standard	result 1
		Opponent Magwaza, N (Ntokozo)				Opponent Maupa, S (Simon)
2	1	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-06	rnd 9	type Standard	result 1	date 2018-07-06	rnd 9	type Standard	result 1
		Opponent Chipumuro, L (Leeroy)				Opponent Chipumuro, L (Leeroy)

#	Games	Start				End
1	3	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-03	rnd 4	type Standard	result 1	date 2018-07-05	rnd 6	type Standard	result 1
		Opponent Magwaza, N (Ntokozo)				Opponent Maupa, S (Simon)
2	1	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-06	rnd 9	type Standard	result 1	date 2018-07-06	rnd 9	type Standard	result 1
		Opponent Chipumuro, L (Leeroy)				Opponent Chipumuro, L (Leeroy)

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	Dlamini ,Q (Qiniso)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Dlamini ,Q (Qiniso)	1	1067.2	642.2	1	1097.2	642.2	0	0	0	0	0	0
2	Kgopane ,TE (Thabo)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Kgopane ,TE (Thabo)	1	1220.7	795.7	1	1217.6	795.7	0	0	0	0	0	0
3	Gaothaelwe ,MK (Mmusi Kitso)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Gaothaelwe ,MK (Mmusi Kitso)	1	1372.7	947.7	1	1381	947.7	0	0	0	0	0	0
4	Motaung ,MV (Mzukizi)	1	1	425	1	1	425	0	0	0	0	0	0
4	Motaung ,MV (Mzukizi)	1	1202.3	1627.3	1	1200.8	1627.3	0	0	0	0	0	0
5	Maupa ,S (Simon)	1	1	425	1	1	425	0	0	0	0	0	0
5	Maupa ,S (Simon)	1	1119.9	1544.9	1	1156	1544.9	0	0	0	0	0	0
6	Chipumuro ,L (Leeroy)	1	1	425	1	1	425	0	0	0	0	0	0
6	Chipumuro ,L (Leeroy)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Motsamai ,M (Mpho)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Motsamai ,M (Mpho)	1	1208.3	783.3	1	1208.3	783.3	0	0	0	0	0	0
8	Mabala ,S (Sekgoadi)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mabala ,S (Sekgoadi)	1	1271.7	846.7	1	1282.8	846.7	0	0	0	0	0	0
9	Magwaza ,N (Ntokozo)	1	1	425	1	1	425	0	0	0	0	0	0
9	Magwaza ,N (Ntokozo)	1	1166.8	1591.8	1	1159.6	1591.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Duma, S (Sphesihle)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms