Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, Z (Zuribeth)

Chess SA id

2130146737

FIDE id

Date of birth

2013-05-31 (U14)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1231.3	1230.4	1201.5	1200
Raw rating	1231.3	1230.4	1201.5	1200
Weighted rating	1229.9	1229.4	1201.3	1200
Weighted performance	955.9	954.6	0	0
Floor	763.2	775	701.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.6	158.8	165.5	165.8
Highest rating	1352.9 2022-09-01	1362.6 2023-02-01	1203.5 2022-11-01	1200 2018-10-01
Highest raw rating	1263.2 2023-03-01	1275 2023-03-01	1201.5 2024-08-01	1200 2024-03-01
Highest weighted rating	1229.3 2025-08-01	1275 2024-02-01	1201.3 2025-08-01	1200 2018-10-01
Highest weighted performance	1352.9 2022-09-01	1362.6 2023-02-01	1203.5 2022-11-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1231.3	1230.4	1201.5	1200
Analysis
Rating	1231.3	1230.4	1201.5	1200
Raw rating	1231.3	1230.4	1201.5	1200
Weighted rating	1229.9	1229.4	1201.3
Weighted performance	955.9	954.6	0
K-factor	36	36	36	36
Floor	763.2	775	701.5	700
Max/Min rating change allowed	158.6	158.8	165.5	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	1231.3	1230.4	1201.5	1200
New weighted rating	1230.1	1229.5	1201.4	1200
New weighted performance	955.5	954.2	0	0
Temp new rating	1231.3	1230.4	1201.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1231.3	1230.4	1201.5	1200
New K-factor	36	36	36	36
New floor	763.2	775	701.5	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	19	17	2
	12	12	0
	11	5	6
	0	0	0
History	42	34	8

Games since
	Main 19	Standard 17		Rapid 2		Blitz 0
Gender	Female
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	42	20.5	48.81	-10.1	1252.3	1242.2
Standard	34	16.5	48.53	-12.5	1261.2	1248.7
Rapid	8	4	50	0	1214.6	1214.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1231.3	1230.4	1201.5	1200
2025-09-01	1231.3	1230.4	1201.5	1200
2025-08-01	1231.3	1230.4	1201.5	1200
2025-07-01	1231.3	1230.4	1201.5	1200
2025-06-01	1231.3	1230.4	1201.5	1200
2025-05-01	1231.3	1230.4	1201.5	1200
2025-04-01	1231.3	1230.4	1201.5	1200
2025-03-01	1231.3	1230.4	1201.5	1200
2025-02-01	1231.3	1230.4	1201.5	1200
2025-01-01	1231.3	1230.4	1201.5	1200
2024-12-01	1231.3	1230.4	1201.5	1200
2024-11-01	1231.3	1230.4	1201.5	1200
2024-10-01	1231.3	1230.4	1201.5	1200
2024-09-01	1231.3	1230.4	1201.5	1200
2024-08-01	1231.3	1230.4	1201.5	1200
2024-07-01	1228.5	1230.4	1200.4	1200
2024-06-01	1228.5	1230.4	1200.4	1200
2024-08-01	1213	1214.2	1200.4	1200
2024-04-01	1213	1214.2	1200.4	1200
2024-03-01	1211.5	1210.6	1200.4	1200
2024-02-01	1226.7	1230	1200.4	1200
2024-01-01	1226.7	1230	1200.4	1200
2023-12-01	1226.7	1230	1200.4	1200
2023-11-01	1226.7	1230	1200.4	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 District North Top Schools 2024 (U11 Mixed)	2024-07-27	2024-07-27	Rapid	Cape Town (WCT)	5	2	1	Yes	Analysis
2	Western Cape PS Individuals Championship 2024 (U11 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
3	Cape Town Metro Schools Chess Closed Individuals 2024 (U11 Girls)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
4	North District School Trials 2024 (U11 Girls)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
5	Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Girls)	2023-03-03	2023-03-04	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
6	North District School Trials 2023 (U11 Girls)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
7	Kenridge Rapid 2022 (U10)	2022-11-05	2022-11-05	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
8	Western Cape Top Schools 2022 (U13 Girls)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Kenridge Rapid 2022				Tournament North District School Trials 2023
		date 2022-11-05	rnd 4	type Rapid	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Slabbert, N (Nadia)				Opponent Manzi, L (Likhanye)
2	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Colyn, E (Estelanie)				Opponent Meyer, X (Xaydia)
3	2	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Van Der Walt, A (Anke)				Opponent Ismail, A (Amara)

#	Games	Start				End
1	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Colyn, E (Estelanie)				Opponent Meyer, X (Xaydia)
2	2	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Van Der Walt, A (Anke)				Opponent Ismail, A (Amara)
3	2	Tournament North District School Trials 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-02-04	rnd 6	type Standard	result 1	date 2023-03-03	rnd 1	type Standard	result 1
		Opponent Ndesi, T (Talitha)				Opponent Musvasvi, K (Kelly)

#	Games	Start				End
1	4	Tournament Kenridge Rapid 2022				Tournament CT District North Top Schools 2024
		date 2022-11-05	rnd 4	type Rapid	result 1	date 2024-07-27	rnd 3	type Rapid	result 1
		Opponent Slabbert, N (Nadia)				Opponent Gamiet, I (Imaan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Kenridge Rapid 2022				Tournament North District School Trials 2023
		date 2022-11-05	rnd 4	type Rapid	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Slabbert, N (Nadia)				Opponent Manzi, L (Likhanye)
2	2	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Van Der Walt, A (Anke)				Opponent Ismail, A (Amara)
3	2	Tournament North District School Trials 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-02-04	rnd 6	type Standard	result 1	date 2023-03-03	rnd 1	type Standard	result 1
		Opponent Ndesi, T (Talitha)				Opponent Musvasvi, K (Kelly)

#	Games	Start				End
1	2	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Van Der Walt, A (Anke)				Opponent Ismail, A (Amara)
2	2	Tournament North District School Trials 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-02-04	rnd 6	type Standard	result 1	date 2023-03-03	rnd 1	type Standard	result 1
		Opponent Ndesi, T (Talitha)				Opponent Musvasvi, K (Kelly)
3	2	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Calitz, L (Lydia)				Opponent Kleynhans, G (Grace Lopes)

#	Games	Start				End
1	4	Tournament Kenridge Rapid 2022				Tournament CT District North Top Schools 2024
		date 2022-11-05	rnd 4	type Rapid	result 1	date 2024-07-27	rnd 3	type Rapid	result 1
		Opponent Slabbert, N (Nadia)				Opponent Gamiet, I (Imaan)

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	Calitz ,L (Lydia)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
1	Calitz ,L (Lydia)	4	1242.1	1029.6	4	1249.9	1029.6	0	0	0	0	0	0
2	Geldenhuys ,K (Katja)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Geldenhuys ,K (Katja)	2	1272.9	847.9	2	1276.8	847.9	0	0	0	0	0	0
3	Webb ,A (Amori)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Webb ,A (Amori)	1	1111.9	686.9	1	1101.2	686.9	0	0	0	0	0	0
4	Farmer-Barr ,C (Charlotte)	1	1	425	1	1	425	0	0	0	0	0	0
4	Farmer-Barr ,C (Charlotte)	1	1221.8	1646.8	1	1259	1646.8	0	0	0	0	0	0
5	Jainoodien ,M (Micaela)	1	1	425	1	1	425	0	0	0	0	0	0
5	Jainoodien ,M (Micaela)	1	1181.1	1606.1	1	1175.2	1606.1	0	0	0	0	0	0
6	Kleynhans ,G (Grace Lopes)	1	1	425	1	1	425	0	0	0	0	0	0
6	Kleynhans ,G (Grace Lopes)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Van Zyl ,C (Cornelia Aletta)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van Zyl ,C (Cornelia Aletta)	1	1420.2	995.2	1	1400.8	995.2	0	0	0	0	0	0
8	Patel ,D (Deetya)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Patel ,D (Deetya)	1	1335.9	1335.9	1	1350.4	1335.9	0	0	0	0	0	0
9	Musvasvi ,K (Kelly)	1	1	425	1	1	425	0	0	0	0	0	0
9	Musvasvi ,K (Kelly)	1	1133.3	1558.3	1	1177.2	1558.3	0	0	0	0	0	0
10	Claassen ,H (Haylene)	1	1	425	1	1	425	0	0	0	0	0	0
10	Claassen ,H (Haylene)	1	1251.8	1676.8	1	1260.4	1676.8	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

Pretorius, Z (Zuribeth)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms