Chess South Africa Ratings Database

PLAYER PAGE

Personal

Petersen, Z (Zaara)

Chess SA id

2120307659

FIDE id

Date of birth

2012-03-02 (U14)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1270.1	1284.5	1194.8	1200
Raw rating	1270.1	1284.5	1194.8	1200
Weighted rating	1210.4	1214.5	1194	1200
Weighted performance	0	0	0	0
Floor	770.1	784.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	150	147	167.1	165.8
Highest rating	1270.1 2025-09-30	1284.5 2025-09-30	1200 2024-07-01	1200 2024-07-01
Highest raw rating	1270.1 2025-09-30	1284.5 2025-09-30	1200 2024-07-01	1200 2024-07-01
Highest weighted rating	1205 2025-09-30	1208 2025-09-30	1200 2024-07-01	1200 2024-07-01
Highest weighted performance	1200 2024-12-01	1200 2024-07-01	1200 2024-12-01	1200 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1270.1	1284.5	1194.8	1200
Analysis
Rating	1270.1	1284.5	1194.8	1200
Raw rating	1270.1	1284.5	1194.8	1200
Weighted rating	1210.4	1214.5	1194
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	770.1	784.5	700	700
Max/Min rating change allowed	150	147	167.1	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	1270.1	1284.5	1194.8	1200
New weighted rating	1215.6	1220.6	1194	1200
New weighted performance	0	0	0	0
Temp new rating	1270.1	1284.5	1194.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1270.1	1284.5	1194.8	1200
New K-factor	36	36	36	36
New floor	770.1	784.5	700	700

Item	Main	Standard	Rapid
	0	0	0
	6	6	0
	6	0	6
	0	0	0
	0	0	0
	0	0	0
History	12	6	6

Games since
	Main 12	Standard 6		Rapid 6		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	6	5.5	91.67	354.2	1206.9	1561.1
Standard	6	5.5	91.67	354.2	1206.9	1561.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	12	8.5	70.83	177.1	1192.9	1369.9
Standard	6	5.5	91.67	354.2	1206.9	1561.1
Rapid	6	3	50	0	1178.8	1178.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1270.1	1284.5	1194.8	1200
2025-09-30	1270.1	1284.5	1194.8	1200
2025-09-01	1212.2	1216.5	1194.8	1200
2025-08-01	1198.4	1200	1194.8	1200
2025-07-01	1198.4	1200	1194.8	1200
2025-06-01	1198.4	1200	1194.8	1200
2025-05-01	1198.4	1200	1194.8	1200
2025-04-01	1198.4	1200	1194.8	1200
2025-03-01	1198.4	1200	1194.8	1200
2025-02-01	1198.3	1200	1194.5	1200
2025-01-01	1196.6	1200	1188.8	1200
2024-12-01	1196.6	1200	1188.8	1200
2024-11-01	1196.6	1200	1188.8	1200
2024-10-01	1196.6	1200	1188.8	1200
2024-09-01	1196.6	1200	1188.8	1200
2024-08-01	1196.6	1200	1188.8	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	Western Cape Schools - Top Schools 2025 (U13 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	4.5	Yes	Analysis
2	Cape Town Metro Top Schools District Central 2025 (U13 Girls)	2025-08-02	2025-08-02	Standard	Cape Town (WCT)	1	1	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U13 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	4.5	Yes	Analysis
2	Cape Town Metro Top Schools District Central 2025 (U13 Girls)	2025-08-02	2025-08-02	Standard	Cape Town (WCT)	1	1	1	Yes	Analysis
3	CT Metro Central District Top Schools 2024 (U13 Girls)	2024-07-27	2024-07-27	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis

#	Games	Start				End
1	7	Tournament CT Metro Central District Top Schools 2024				Tournament Western Cape Schools - Top Schools 2025
		date 2024-07-27	rnd 6	type Rapid	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Sifile, U (Ukhona)				Opponent Majuba, P (Pumelela)
2	1	Tournament CT Metro Central District Top Schools 2024				Tournament CT Metro Central District Top Schools 2024
		date 2024-07-27	rnd 4	type Rapid	result 1	date 2024-07-27	rnd 4	type Rapid	result 1
		Opponent Mwenda, M (Misha)				Opponent Mwenda, M (Misha)
3	1	Tournament CT Metro Central District Top Schools 2024				Tournament CT Metro Central District Top Schools 2024
		date 2024-07-27	rnd 1	type Rapid	result 1	date 2024-07-27	rnd 1	type Rapid	result 1
		Opponent Mwenda, M (Misha)				Opponent Mwenda, M (Misha)

#	Games	Start				End
1	6	Tournament Cape Town Metro Top Schools District Central 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Ngublunga, I (Inawe)				Opponent Majuba, P (Pumelela)

#	Games	Start				End
1	1	Tournament CT Metro Central District Top Schools 2024				Tournament CT Metro Central District Top Schools 2024
		date 2024-07-27	rnd 6	type Rapid	result 1	date 2024-07-27	rnd 6	type Rapid	result 1
		Opponent Sifile, U (Ukhona)				Opponent Sifile, U (Ukhona)
2	1	Tournament CT Metro Central District Top Schools 2024				Tournament CT Metro Central District Top Schools 2024
		date 2024-07-27	rnd 4	type Rapid	result 1	date 2024-07-27	rnd 4	type Rapid	result 1
		Opponent Mwenda, M (Misha)				Opponent Mwenda, M (Misha)
3	1	Tournament CT Metro Central District Top Schools 2024				Tournament CT Metro Central District Top Schools 2024
		date 2024-07-27	rnd 1	type Rapid	result 1	date 2024-07-27	rnd 1	type Rapid	result 1
		Opponent Mwenda, M (Misha)				Opponent Mwenda, M (Misha)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Snyders, J (Jadie Leigh)				Opponent Majuba, P (Pumelela)
2	3	Tournament CT Metro Central District Top Schools 2024				Tournament Western Cape Schools - Top Schools 2025
		date 2024-07-27	rnd 6	type Rapid	result 1	date 2025-09-06	rnd 2	type Standard	result 1
		Opponent Sifile, U (Ukhona)				Opponent Cathi, B (Beunielle)
3	1	Tournament CT Metro Central District Top Schools 2024				Tournament CT Metro Central District Top Schools 2024
		date 2024-07-27	rnd 4	type Rapid	result 1	date 2024-07-27	rnd 4	type Rapid	result 1
		Opponent Mwenda, M (Misha)				Opponent Mwenda, M (Misha)

#	Games	Start				End
1	3	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Snyders, J (Jadie Leigh)				Opponent Majuba, P (Pumelela)
2	2	Tournament Cape Town Metro Top Schools District Central 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-09-06	rnd 2	type Standard	result 1
		Opponent Ngublunga, I (Inawe)				Opponent Cathi, B (Beunielle)

#	Games	Start				End
1	1	Tournament CT Metro Central District Top Schools 2024				Tournament CT Metro Central District Top Schools 2024
		date 2024-07-27	rnd 6	type Rapid	result 1	date 2024-07-27	rnd 6	type Rapid	result 1
		Opponent Sifile, U (Ukhona)				Opponent Sifile, U (Ukhona)
2	1	Tournament CT Metro Central District Top Schools 2024				Tournament CT Metro Central District Top Schools 2024
		date 2024-07-27	rnd 4	type Rapid	result 1	date 2024-07-27	rnd 4	type Rapid	result 1
		Opponent Mwenda, M (Misha)				Opponent Mwenda, M (Misha)
3	1	Tournament CT Metro Central District Top Schools 2024				Tournament CT Metro Central District Top Schools 2024
		date 2024-07-27	rnd 1	type Rapid	result 1	date 2024-07-27	rnd 1	type Rapid	result 1
		Opponent Mwenda, M (Misha)				Opponent Mwenda, M (Misha)

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	Krige ,Z (Zara)	2	0	-425	0	0	0	2	0	-425	0	0	0
1	Krige ,Z (Zara)	2	1246.7	821.7	0	0	0	2	1152.8	821.7	0	0	0
2	Sifile ,U (Ukhona)	2	1	0	0	0	0	2	1	0	0	0	0
2	Sifile ,U (Ukhona)	2	1111.8	1111.8	0	0	0	2	1127.6	1111.8	0	0	0
3	Mwenda ,M (Misha)	2	2	425	0	0	0	2	2	425	0	0	0
3	Mwenda ,M (Misha)	2	1177.8	1602.8	0	0	0	2	1200	1602.8	0	0	0
4	Snyders ,J (Jadie Leigh)	1	1	425	1	1	425	0	0	0	0	0	0
4	Snyders ,J (Jadie Leigh)	1	1220.7	1645.7	1	1216.5	1645.7	0	0	0	0	0	0
5	Snodgrass ,E (Emma)	1	1	425	1	1	425	0	0	0	0	0	0
5	Snodgrass ,E (Emma)	1	1215.9	1640.9	1	1218.8	1640.9	0	0	0	0	0	0
6	Cathi ,B (Beunielle)	1	1	425	1	1	425	0	0	0	0	0	0
6	Cathi ,B (Beunielle)	1	1229.8	1654.8	1	1236.2	1654.8	0	0	0	0	0	0
7	Majuba ,P (Pumelela)	1	1	425	1	1	425	0	0	0	0	0	0
7	Majuba ,P (Pumelela)	1	1209.7	1634.7	1	1200	1634.7	0	0	0	0	0	0
8	Ngublunga ,I (Inawe)	1	1	425	1	1	425	0	0	0	0	0	0
8	Ngublunga ,I (Inawe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Prinsloo ,E (Elzaan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Prinsloo ,E (Elzaan)	1	1165.5	1165.5	1	1160.5	1165.5	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

Petersen, Z (Zaara)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms