Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nkosi, S (Siphesihle)

Chess SA id

2140325588

FIDE id

Date of birth

2014-06-04 (U12)

Gender

Female

Region

Gert Sibande (MGS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1004.1

Item	Main	Standard	Rapid	Blitz
Rating	1180.7	1176.5	1200	1200
Raw rating	1083.9	1058.5	1200	1200
Weighted rating	1180.7	1176.5	1200	1200
Weighted performance	0	0	0	0
Floor	699.9	699.9	700	700
K-factor	40	40	40	40
Min/Max rating change allowed	195.7	202.9	165.8	165.8
Highest rating	1199.9 2025-08-20	1199.9 2025-08-20	1199.9 2025-08-20	1199.9 2025-08-20
Highest raw rating	1199.9 2025-08-20	1199.9 2025-08-20	1199.9 2025-08-20	1199.9 2025-08-20
Highest weighted rating	1199.9 2025-08-20	1199.9 2025-08-20	1199.9 2025-08-20	1199.9 2025-08-20
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-8.5	-10.3	0	0
New rating	1172.2	1166.2	1200	1200
Analysis
Rating	1180.7	1176.5	1200	1200
Raw rating	1083.9	1058.5	1200	1200
Weighted rating	1180.7	1176.5	1200
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	699.9	699.9	700	700
Max/Min rating change allowed	195.7	202.9	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	1083.9	1058.5	1200	1200
New weighted rating	1172.2	1166.2	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1172.2	1166.2	1200	1200
Temp new rating +/-	-8.5	-10.3	0	0
Final new rating +/-	-8.5	-10.3	0	0
New rating	1172.2	1166.2	1200	1200
New K-factor	40	40	36	36
New floor	699.9	699.9	700	700

Item	Main	Standard
	0	0
	15	15
	0	0
	0	0
	0	0
	0	0
History	15	15

Games since
	Main 15	Standard 15		Rapid 0		Blitz 0
Gender	Female
Age group	U12
Region	Gert Sibande (MGS)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 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	15	4	26.67	-198.3	1202.3	1004
Standard	15	4	26.67	-198.3	1202.3	1004
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	4	26.67	-198.3	1202.3	1004
Standard	15	4	26.67	-198.3	1202.3	1004
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1083.9	1058.5	1200	1200
2025-09-30	1083.9	1058.5	1200	1200
2025-09-01	1184.8	1181.7	1200	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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	Mpumalanga Regional Chess Trials 2025 (U12)	2025-09-20	2025-09-20	Standard	Gert Sibande (MGS)	5	5	1	Yes	Analysis
2	Gert Sibande Open Championship 2025 (C)	2025-09-24	2025-09-24	Standard	Gert Sibande (MGS)	5	5	1	Yes	Analysis
3	Govan Mbeki Primary Schools Teams 2025 (U11 Girls)	2025-08-15	2025-08-15	Standard	Gert Sibande (MGS)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mpumalanga Regional Chess Trials 2025 (U12)	2025-09-20	2025-09-20	Standard	Gert Sibande (MGS)	5	5	1	Yes	Analysis
2	Gert Sibande Open Championship 2025 (C)	2025-09-24	2025-09-24	Standard	Gert Sibande (MGS)	5	5	1	Yes	Analysis
3	Govan Mbeki Primary Schools Teams 2025 (U11 Girls)	2025-08-15	2025-08-15	Standard	Gert Sibande (MGS)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Govan Mbeki Primary Schools Teams 2025				Tournament Govan Mbeki Primary Schools Teams 2025
		date 2025-08-15	rnd 1	type Standard	result 0.5	date 2025-08-15	rnd 3	type Standard	result 0.5
		Opponent Sibeko, R (Rethabile)				Opponent Nhlanhla, A (Anele)
2	1	Tournament Gert Sibande Open Championship 2025				Tournament Gert Sibande Open Championship 2025
		date 2025-09-24	rnd 4	type Standard	result 1	date 2025-09-24	rnd 4	type Standard	result 1
		Opponent Mntambo, A (Amahle)				Opponent Mntambo, A (Amahle)
3	1	Tournament Mpumalanga Regional Chess Trials 2025				Tournament Mpumalanga Regional Chess Trials 2025
		date 2025-09-20	rnd 1	type Standard	result 1	date 2025-09-20	rnd 1	type Standard	result 1
		Opponent Kubheka, M (Mpendulo)				Opponent Kubheka, M (Mpendulo)

#	Games	Start				End
1	3	Tournament Govan Mbeki Primary Schools Teams 2025				Tournament Govan Mbeki Primary Schools Teams 2025
		date 2025-08-15	rnd 1	type Standard	result 0.5	date 2025-08-15	rnd 3	type Standard	result 0.5
		Opponent Sibeko, R (Rethabile)				Opponent Nhlanhla, A (Anele)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Govan Mbeki Primary Schools Teams 2025				Tournament Govan Mbeki Primary Schools Teams 2025
		date 2025-08-15	rnd 2	type Standard	result 1	date 2025-08-15	rnd 2	type Standard	result 1
		Opponent Masuku, Z (Ziyanda)				Opponent Masuku, Z (Ziyanda)

#	Games	Start				End
1	1	Tournament Govan Mbeki Primary Schools Teams 2025				Tournament Govan Mbeki Primary Schools Teams 2025
		date 2025-08-15	rnd 2	type Standard	result 1	date 2025-08-15	rnd 2	type Standard	result 1
		Opponent Masuku, Z (Ziyanda)				Opponent Masuku, Z (Ziyanda)

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	Nhlanhla ,A (Anele)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Nhlanhla ,A (Anele)	2	1200.7	988.2	2	1200.8	988.2	0	0	0	0	0	0
2	Moloi ,L (Lebohang)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Moloi ,L (Lebohang)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Kubheka ,M (Mpendulo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Kubheka ,M (Mpendulo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Mntambo ,A (Amahle)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mntambo ,A (Amahle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Gule ,M (Mbali)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Gule ,M (Mbali)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Masuku ,Z (Ziyanda)	1	1	425	1	1	425	0	0	0	0	0	0
6	Masuku ,Z (Ziyanda)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Mothopeng ,L (Lebohang)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mothopeng ,L (Lebohang)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Mazibuko ,B (Bandile)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mazibuko ,B (Bandile)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Shazi ,A (Aphiwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Shazi ,A (Aphiwe)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Nkondwe ,T (Thando)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Nkondwe ,T (Thando)	1	1223.6	798.6	1	1200	798.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Nkosi, S (Siphesihle)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms