Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nkosi, S (Siphelele)

Chess SA id

1040135691

FIDE id

Date of birth

2004-04-01 (Adult)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-12-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1370.7	1356.9	1200	1200
Raw rating	1370.7	1356.9	1200	1200
Weighted rating	1370.5	1356.9	1200	1200
Weighted performance	859.7	858.8	0	0
Floor	870.7	867.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	130	132.6	165.8	165.8
Highest rating	1383.3 2022-10-01	1380.8 2022-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1370.7 2024-03-01	1367.7 2022-11-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1370.1 2025-08-01	1367.7 2024-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1383.3 2022-10-01	1380.8 2022-10-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1370.7	1356.9	1200	1200
Analysis
Rating	1370.7	1356.9	1200	1200
Raw rating	1370.7	1356.9	1200	1200
Weighted rating	1370.5	1356.9	1200
Weighted performance	859.7	858.8	0
K-factor	36	36	36	36
Floor	870.7	867.7	700	700
Max/Min rating change allowed	130	132.6	165.8	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	1370.7	1356.9	1200	1200
New weighted rating	1370.6	1356.9	1200	1200
New weighted performance	859.2	858.3	0	0
Temp new rating	1370.7	1356.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1370.7	1356.9	1200	1200
New K-factor	36	36	36	36
New floor	870.7	867.7	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	31	31
	5	5
History	36	36

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
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	36	15.5	43.06	-59	1434.9	1375.9
Standard	36	15.5	43.06	-59	1434.9	1375.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1370.7	1356.9	1200	1200
2025-09-01	1370.7	1356.9	1200	1200
2025-08-01	1370.7	1356.9	1200	1200
2025-07-01	1370.7	1356.9	1200	1200
2025-06-01	1370.7	1356.9	1200	1200
2025-05-01	1370.7	1356.9	1200	1200
2025-04-01	1370.7	1356.9	1200	1200
2025-03-01	1370.7	1356.9	1200	1200
2025-02-01	1370.7	1356.9	1200	1200
2025-01-01	1370.7	1356.9	1200	1200
2024-12-01	1370.7	1356.9	1200	1200
2024-11-01	1370.7	1356.9	1200	1200
2024-10-01	1370.7	1356.9	1200	1200
2024-09-01	1370.7	1356.9	1200	1200
2024-08-01	1370.7	1356.9	1200	1200
2024-07-01	1370.7	1356.9	1200	1200
2024-06-01	1370.7	1356.9	1200	1200
2024-08-01	1370.7	1356.9	1200	1200
2024-04-01	1370.7	1356.9	1200	1200
2024-03-01	1370.7	1356.9	1200	1200
2024-02-01	1370.7	1356.9	1200	1200
2024-01-01	1370.7	1356.9	1200	1200
2023-12-01	1353.6	1356.9	1200	1200
2023-11-01	1353.6	1356.9	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	Ussa Chess Championships 2022 (Open)	2022-12-05	2022-12-09	Standard	Frances Baard (NCF)	9	9	4.5	Yes	Analysis
2	2022 Western Province Club League (Premier)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	10	4	Yes	Analysis
3	Alberton Chess Club Open 2022 (B)	2022-07-16	2022-07-16	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	USSA Closed 2022 (Open)	2022-05-13	2022-05-15	Standard	Dr Kenneth Kaunda (NWP)	7	7	2	Yes	Analysis
5	Ekurhuleni Trials (3)	2021-11-06	2021-11-06	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2022 Western Province Club League				Tournament Ussa Chess Championships 2022
		date 2022-09-17	rnd 10	type Standard	result 1	date 2022-12-05	rnd 2	type Standard	result 1
		Opponent Willenberg, T (Tristan)				Opponent Tseka, J (Junior)
2	3	Tournament 2022 Western Province Club League				Tournament 2022 Western Province Club League
		date 2022-08-20	rnd 2	type Standard	result 1	date 2022-08-27	rnd 4	type Standard	result 1
		Opponent Paterson, J (Jonny)				Opponent Joubert, K (Keegan)
3	3	Tournament Alberton Chess Club Open 2022				Tournament Alberton Chess Club Open 2022
		date 2022-07-16	rnd 2	type Standard	result 1	date 2022-07-16	rnd 4	type Standard	result 1
		Opponent Visagie, M (Mondre)				Opponent Singh, N (Nimai)

#	Games	Start				End
1	3	Tournament 2022 Western Province Club League				Tournament Ussa Chess Championships 2022
		date 2022-09-17	rnd 10	type Standard	result 1	date 2022-12-05	rnd 2	type Standard	result 1
		Opponent Willenberg, T (Tristan)				Opponent Tseka, J (Junior)
2	3	Tournament 2022 Western Province Club League				Tournament 2022 Western Province Club League
		date 2022-08-20	rnd 2	type Standard	result 1	date 2022-08-27	rnd 4	type Standard	result 1
		Opponent Paterson, J (Jonny)				Opponent Joubert, K (Keegan)
3	3	Tournament Alberton Chess Club Open 2022				Tournament Alberton Chess Club Open 2022
		date 2022-07-16	rnd 2	type Standard	result 1	date 2022-07-16	rnd 4	type Standard	result 1
		Opponent Visagie, M (Mondre)				Opponent Singh, N (Nimai)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2022 Western Province Club League				Tournament Ussa Chess Championships 2022
		date 2022-09-17	rnd 10	type Standard	result 1	date 2022-12-05	rnd 2	type Standard	result 1
		Opponent Willenberg, T (Tristan)				Opponent Tseka, J (Junior)
2	3	Tournament Alberton Chess Club Open 2022				Tournament Alberton Chess Club Open 2022
		date 2022-07-16	rnd 2	type Standard	result 1	date 2022-07-16	rnd 4	type Standard	result 1
		Opponent Visagie, M (Mondre)				Opponent Singh, N (Nimai)
3	1	Tournament Ussa Chess Championships 2022				Tournament Ussa Chess Championships 2022
		date 2022-12-08	rnd 7	type Standard	result 1	date 2022-12-08	rnd 7	type Standard	result 1
		Opponent Langerman, I (Ikanyeng)				Opponent Langerman, I (Ikanyeng)

#	Games	Start				End
1	3	Tournament 2022 Western Province Club League				Tournament Ussa Chess Championships 2022
		date 2022-09-17	rnd 10	type Standard	result 1	date 2022-12-05	rnd 2	type Standard	result 1
		Opponent Willenberg, T (Tristan)				Opponent Tseka, J (Junior)
2	3	Tournament Alberton Chess Club Open 2022				Tournament Alberton Chess Club Open 2022
		date 2022-07-16	rnd 2	type Standard	result 1	date 2022-07-16	rnd 4	type Standard	result 1
		Opponent Visagie, M (Mondre)				Opponent Singh, N (Nimai)
3	1	Tournament Ussa Chess Championships 2022				Tournament Ussa Chess Championships 2022
		date 2022-12-08	rnd 7	type Standard	result 1	date 2022-12-08	rnd 7	type Standard	result 1
		Opponent Langerman, I (Ikanyeng)				Opponent Langerman, I (Ikanyeng)

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	Joubert ,K (Keegan)	1	1	425	1	1	425	0	0	0	0	0	0
1	Joubert ,K (Keegan)	1	1605.7	2030.7	1	1595.1	2030.7	0	0	0	0	0	0
2	Makhetha ,L (Laviens)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Makhetha ,L (Laviens)	1	1510.1	1085.1	1	1517.9	1085.1	0	0	0	0	0	0
3	Morapedi ,M (Maqalika)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Morapedi ,M (Maqalika)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Zondo ,LC (Linda Cyril)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Zondo ,LC (Linda Cyril)	1	1482.2	1057.2	1	1491.2	1057.2	0	0	0	0	0	0
5	Singh ,N (Nimai)	1	1	425	1	1	425	0	0	0	0	0	0
5	Singh ,N (Nimai)	1	1385.6	1810.6	1	1385.3	1810.6	0	0	0	0	0	0
6	Waleza ,F (Freddy)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Waleza ,F (Freddy)	1	1292.3	867.3	1	1305.2	867.3	0	0	0	0	0	0
7	Mofokeng ,M (Mpho)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mofokeng ,M (Mpho)	1	1264.2	839.2	1	1261.6	839.2	0	0	0	0	0	0
8	Palmer ,RN (Reegan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Palmer ,RN (Reegan)	1	1789.9	1364.9	1	1777.1	1364.9	0	0	0	0	0	0
9	Mzimela ,N (Nkosinathi)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mzimela ,N (Nkosinathi)	1	1249.2	1674.2	1	1254.2	1674.2	0	0	0	0	0	0
10	Semoli ,A (Andrew Mpho)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Semoli ,A (Andrew Mpho)	1	1250.8	1250.8	1	1260	1250.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Nkosi, S (Siphelele)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms