Chess South Africa Ratings Database

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Personal

Ngcobo, Z (Zethu)

Chess SA id

2100138833

FIDE id

Date of birth

2010-01-13 (U16)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-28

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1108.1	1130.7	1135.6	1200
Raw rating	1108.1	1130.7	1135.6	1200
Weighted rating	1106.9	1129.3	1134.8	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	189	183	181.7	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1204.5 2022-03-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1204.5 2022-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1108.1	1130.7	1135.6	1200
Analysis
Rating	1108.1	1130.7	1135.6	1200
Raw rating	1108.1	1130.7	1135.6	1200
Weighted rating	1106.9	1129.3	1134.8
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	189	183	181.7	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	1108.1	1130.7	1135.6	1200
New weighted rating	1107	1129.2	1134.9	1200
New weighted performance	0	0	0	0
Temp new rating	1108.1	1130.7	1135.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1108.1	1130.7	1135.6	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	4	4	0
	3	0	3
	18	12	6
	0	0	0
History	25	16	9

Games since
	Main 4	Standard 4		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	25	8.5	34	-136	1185.4	1049.4
Standard	16	5.5	34.38	-132.8	1211	1078.2
Rapid	9	3	33.33	-141.7	1139.7	998
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1108.1	1130.7	1135.6	1200
2025-09-30	1108.1	1130.7	1135.6	1200
2025-09-01	1108.1	1130.7	1135.6	1200
2025-08-01	1108.1	1130.7	1135.6	1200
2025-07-01	1108.1	1130.7	1135.6	1200
2025-06-01	1108.1	1130.7	1135.6	1200
2025-05-01	1108.1	1130.7	1135.6	1200
2025-04-01	1108.1	1130.7	1135.6	1200
2025-03-01	1108.1	1130.7	1135.6	1200
2025-02-01	1108.1	1130.2	1135.6	1200
2025-01-01	1101	1119.2	1133.4	1200
2024-12-01	1101	1119.2	1133.4	1200
2024-11-01	1101	1119.2	1133.4	1200
2024-10-01	1101	1119.2	1133.4	1200
2024-09-01	1101	1119.2	1133.4	1200
2024-08-01	1101	1119.2	1133.4	1200
2024-07-01	1112	1140.8	1133.4	1200
2024-09-01	1112	1140.8	1133.4	1200
2024-05-01	1112	1140.8	1133.4	1200
2024-04-01	1112	1140.8	1133.4	1200
2024-03-01	1112	1140.8	1133.4	1200
2024-02-01	1112	1140.8	1133.4	1200
2024-01-01	1112	1140.8	1133.4	1200
2023-12-01	1112	1140.8	1133.4	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	CT Metro District East Top Schools Chess 2024 (U15 Mixed)	2024-07-27	2024-07-28	Standard	Cape Town (WCT)	7	4	1	Yes	Analysis
2	CT Metro District East Top Schools Chess 2023 (U15 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	3	3	0	Yes	Analysis
3	Western Cape Schools 2022 (U13 Girls)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
4	Metro WP Schools Chess Trials 2022 (U13 Girls)	2022-04-22	2022-04-23	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
5	2022 East Dist Individuals (U13)	2022-03-12	2022-03-12	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament Western Cape Schools 2022				Tournament Western Cape Schools 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-05-29	rnd 6	type Standard	result 1
		Opponent Van Der Ross, H (Haily)				Opponent Sidanga, R (Ronique)
2	2	Tournament Metro WP Schools Chess Trials 2022				Tournament Metro WP Schools Chess Trials 2022
		date 2022-04-23	rnd 5	type Standard	result 0.5	date 2022-04-23	rnd 6	type Standard	result 1
		Opponent Joni, A (Ayakhe)				Opponent Nomtayi, M (Mbalentle)
3	2	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-12	rnd 5	type Rapid	result 1	date 2022-03-12	rnd 6	type Rapid	result 1
		Opponent Bezuidenhout, A (Ashton)				Opponent Dayimani, S (Sikho)

#	Games	Start				End
1	2	Tournament Western Cape Schools 2022				Tournament Western Cape Schools 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-05-29	rnd 6	type Standard	result 1
		Opponent Van Der Ross, H (Haily)				Opponent Sidanga, R (Ronique)
2	2	Tournament Metro WP Schools Chess Trials 2022				Tournament Metro WP Schools Chess Trials 2022
		date 2022-04-23	rnd 5	type Standard	result 0.5	date 2022-04-23	rnd 6	type Standard	result 1
		Opponent Joni, A (Ayakhe)				Opponent Nomtayi, M (Mbalentle)
3	1	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Top Schools Chess 2024
		date 2024-07-27	rnd 4	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 1
		Opponent Nqabeni, A (Aphelele)				Opponent Nqabeni, A (Aphelele)

#	Games	Start				End
1	2	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-12	rnd 5	type Rapid	result 1	date 2022-03-12	rnd 6	type Rapid	result 1
		Opponent Bezuidenhout, A (Ashton)				Opponent Dayimani, S (Sikho)
2	1	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-12	rnd 3	type Rapid	result 1	date 2022-03-12	rnd 3	type Rapid	result 1
		Opponent Maluleka, L (Lwandile)				Opponent Maluleka, L (Lwandile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Western Cape Schools 2022				Tournament Western Cape Schools 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-05-29	rnd 6	type Standard	result 1
		Opponent Van Der Ross, H (Haily)				Opponent Sidanga, R (Ronique)
2	2	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-12	rnd 5	type Rapid	result 1	date 2022-03-12	rnd 6	type Rapid	result 1
		Opponent Bezuidenhout, A (Ashton)				Opponent Dayimani, S (Sikho)
3	1	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Top Schools Chess 2024
		date 2024-07-27	rnd 4	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 1
		Opponent Nqabeni, A (Aphelele)				Opponent Nqabeni, A (Aphelele)

#	Games	Start				End
1	2	Tournament Western Cape Schools 2022				Tournament Western Cape Schools 2022
		date 2022-05-29	rnd 5	type Standard	result 1	date 2022-05-29	rnd 6	type Standard	result 1
		Opponent Van Der Ross, H (Haily)				Opponent Sidanga, R (Ronique)
2	1	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Top Schools Chess 2024
		date 2024-07-27	rnd 4	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 1
		Opponent Nqabeni, A (Aphelele)				Opponent Nqabeni, A (Aphelele)
3	1	Tournament Metro WP Schools Chess Trials 2022				Tournament Metro WP Schools Chess Trials 2022
		date 2022-04-23	rnd 6	type Standard	result 1	date 2022-04-23	rnd 6	type Standard	result 1
		Opponent Nomtayi, M (Mbalentle)				Opponent Nomtayi, M (Mbalentle)

#	Games	Start				End
1	2	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-12	rnd 5	type Rapid	result 1	date 2022-03-12	rnd 6	type Rapid	result 1
		Opponent Bezuidenhout, A (Ashton)				Opponent Dayimani, S (Sikho)
2	1	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-12	rnd 3	type Rapid	result 1	date 2022-03-12	rnd 3	type Rapid	result 1
		Opponent Maluleka, L (Lwandile)				Opponent Maluleka, L (Lwandile)

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	Joni ,A (Ayakhe)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
1	Joni ,A (Ayakhe)	2	1149.6	937.1	1	1122.4	1149.6	1	1200	724.6	0	0	0
2	Nti ,A (Alime)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Nti ,A (Alime)	1	1181.7	756.7	1	1172.4	756.7	0	0	0	0	0	0
3	Sidanga ,R (Ronique)	1	1	425	1	1	425	0	0	0	0	0	0
3	Sidanga ,R (Ronique)	1	1262.4	1687.4	1	1274	1687.4	0	0	0	0	0	0
4	Van Der Ross ,H (Haily)	1	1	425	1	1	425	0	0	0	0	0	0
4	Van Der Ross ,H (Haily)	1	1181.6	1606.6	1	1178.4	1606.6	0	0	0	0	0	0
5	Nortje ,D (Dell-Maree)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Nortje ,D (Dell-Maree)	1	1352.3	927.3	1	1277.5	927.3	0	0	0	0	0	0
6	Pupu ,I (Ive)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Pupu ,I (Ive)	1	1189.4	764.4	1	1200	764.4	0	0	0	0	0	0
7	Van Der Westhuizen ,C (Courtney)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van Der Westhuizen ,C (Courtney)	1	1221.2	796.2	1	1181.5	796.2	0	0	0	0	0	0
8	Mqadi ,O (Olethiwe)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mqadi ,O (Olethiwe)	1	1123.1	1548.1	1	1090.4	1548.1	0	0	0	0	0	0
9	Dintsi ,T (Thandile)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Dintsi ,T (Thandile)	1	1222.2	797.2	1	1196.3	797.2	0	0	0	0	0	0
10	Erasmus ,A (Anneke)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Erasmus ,A (Anneke)	1	1243.5	818.5	1	1235.4	818.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Ngcobo, Z (Zethu)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms