Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pieterse, Z (Zanru)

Chess SA id

1150193586

FIDE id

Date of birth

2015-03-17 (U12)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

22.5

Junior GPX Points

1191

Item	Main	Standard	Rapid	Blitz
Rating	1246.5	1244.3	1195.7	1200
Raw rating	1242.5	1244.3	1195.7	1200
Weighted rating	1166.1	1157.9	1190.4	1200
Weighted performance	1246.5	1214.9	0	0
Floor	744	748.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	156.1	155.7	166.8	165.8
Highest rating	1246.5 2025-09-30	1248.6 2025-09-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1244 2025-09-01	1248.6 2025-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1246.5 2025-09-30	1214.9 2025-09-30	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.4	0	0	0
New rating	1246	1244.3	1195.7	1200
Analysis
Rating	1246.5	1244.3	1195.7	1200
Raw rating	1242.5	1244.3	1195.7	1200
Weighted rating	1166.1	1157.9	1190.4
Weighted performance	1246.5	1214.9	0
K-factor	36	36	36	36
Floor	744	748.6	700	700
Max/Min rating change allowed	156.1	155.7	166.8	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	1242.5	1244.3	1195.7	1200
New weighted rating	1172.3	1164.8	1190.7	1200
New weighted performance	1246	1214.5	0	0
Temp new rating	1246	1244.3	1195.7	1200
Temp new rating +/-	-0.4	0	0	0
Final new rating +/-	-0.4	0	0	0
New rating	1246	1244.3	1195.7	1200
New K-factor	36	36	36	36
New floor	744	748.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	28	17	11
	22	16	6
	0	0	0
	0	0	0
	0	0	0
History	50	33	17

Games since
	Main 50	Standard 33		Rapid 17		Blitz 0
Gender	Male
Age group	U12
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3667		1204		457
Male	2814		861		349
U12	586		208		68
U12 Male	410		136		53
Standard
	RSA		Province		Region
Overall	3576		1017		397
Male	2735		705		291
U12	555		163		57
U12 Male	389		101		41
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	28	14	50	0	1239.8	1239.8
Standard	17	10	58.82	75	1251.3	1326.3
Rapid	11	4	36.36	-115.9	1222.2	1106.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	50	21	42	-68	1235.1	1167.1
Standard	33	15	45.45	-38.6	1241.2	1202.5
Rapid	17	6	35.29	-125	1223.2	1098.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1242.5	1244.3	1195.7	1200
2025-09-01	1244	1248.6	1195.7	1200
2025-08-01	1165.5	1149.6	1195.7	1200
2025-07-01	1165.5	1149.6	1195.7	1200
2025-06-01	1165.5	1149.6	1195.7	1200
2025-05-01	1165.5	1149.6	1195.7	1200
2025-04-01	1165.5	1149.6	1195.7	1200
2025-03-01	1165.5	1149.6	1195.7	1200
2025-02-01	1149.7	1146.7	1183.6	1200
2025-01-01	1122.5	1116.8	1174.4	1200
2024-12-01	1122.5	1116.8	1174.4	1200
2024-11-01	1122.5	1116.8	1174.4	1200
2024-10-01	1122.5	1116.8	1174.4	1200
2024-09-01	1122.5	1116.8	1174.4	1200
2024-08-01	1122.5	1116.8	1174.4	1200
2024-07-01	1131.2	1116.8	1200	1200
2024-06-01	1161.1	1154	1200	1200
2024-08-01	1161.1	1154	1200	1200
2024-04-01	1161.1	1154	1200	1200
2024-03-01	1180.7	1178.4	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	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 (U11)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	2.5	Yes	Analysis
2	Cape Town Metro North Top Schools 2025 (U11)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
3	Laerskool Welgemoed Rapid 2025 (U12)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
4	CT Metro North Schools Chess Individual Trials 2025 (U11 Open)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
5	2025 Kraaifontein Open Chess Championships (U12 Rapid)	2025-01-04	2025-01-04	Rapid	Cape Town (WCT)	6	5	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 (U11)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	2.5	Yes	Analysis
2	Cape Town Metro North Top Schools 2025 (U11)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
3	Laerskool Welgemoed Rapid 2025 (U12)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
4	CT Metro North Schools Chess Individual Trials 2025 (U11 Open)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
5	2025 Kraaifontein Open Chess Championships (U12 Rapid)	2025-01-04	2025-01-04	Rapid	Cape Town (WCT)	6	5	1	Yes	Analysis
6	Curro Durbanville Chess Rapid Open 2024 (Beginner)	2024-07-13	2024-07-13	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
7	Cape Town Chess Federation Closed Chess Championships 2024 (U10)	2024-06-15	2024-06-15	Standard	Cape Town (WCT)	5	5	1	Yes	Analysis
8	Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
9	North District School Trials 2024 (U9 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament Cape Town Metro North Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-01	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Retief, A (Albe)				Opponent Van Wyk, N (Nina)
2	3	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 3	type Rapid	result 1	date 2025-02-15	rnd 5	type Rapid	result 1
		Opponent Jones, T (Tasreeq)				Opponent Vogt, D (Dylan)
3	3	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 3	type Rapid	result 0.5	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Vazirgiantzikis, A (Andreas)				Opponent Niemand, J (Jano)

#	Games	Start				End
1	7	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-02-09	rnd 6	type Standard	result 0.5	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Williams, L (Luke)				Opponent Van Wyk, N (Nina)
2	2	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Grobler, D (Daniel)				Opponent Meder, L (Luke)
3	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-07	rnd 5	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Skritten, C (Christiano)				Opponent Skritten, C (Christiano)

#	Games	Start				End
1	3	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 3	type Rapid	result 1	date 2025-02-15	rnd 5	type Rapid	result 1
		Opponent Jones, T (Tasreeq)				Opponent Vogt, D (Dylan)
2	3	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 3	type Rapid	result 0.5	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Vazirgiantzikis, A (Andreas)				Opponent Niemand, J (Jano)
3	1	Tournament 2025 Kraaifontein Open Chess Championships				Tournament 2025 Kraaifontein Open Chess Championships
		date 2025-01-04	rnd 5	type Rapid	result 1	date 2025-01-04	rnd 5	type Rapid	result 1
		Opponent Chen, D (David)				Opponent Chen, D (David)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Cape Town Metro North Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-01	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Retief, A (Albe)				Opponent Van Wyk, N (Nina)
2	3	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 3	type Rapid	result 1	date 2025-02-15	rnd 5	type Rapid	result 1
		Opponent Jones, T (Tasreeq)				Opponent Vogt, D (Dylan)
3	2	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Grobler, D (Daniel)				Opponent Meder, L (Luke)

#	Games	Start				End
1	6	Tournament Cape Town Metro North Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-01	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Retief, A (Albe)				Opponent Van Wyk, N (Nina)
2	2	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Grobler, D (Daniel)				Opponent Meder, L (Luke)
3	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-07	rnd 5	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Skritten, C (Christiano)				Opponent Skritten, C (Christiano)

#	Games	Start				End
1	3	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 3	type Rapid	result 1	date 2025-02-15	rnd 5	type Rapid	result 1
		Opponent Jones, T (Tasreeq)				Opponent Vogt, D (Dylan)
2	1	Tournament 2025 Kraaifontein Open Chess Championships				Tournament 2025 Kraaifontein Open Chess Championships
		date 2025-01-04	rnd 5	type Rapid	result 1	date 2025-01-04	rnd 5	type Rapid	result 1
		Opponent Chen, D (David)				Opponent Chen, D (David)
3	1	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 5	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Niemand, J (Jano)				Opponent Niemand, J (Jano)

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	Fitzgerald ,J (Johan)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Fitzgerald ,J (Johan)	2	1230.2	805.2	2	1214.6	805.2	0	0	0	0	0	0
2	Williams ,L (Luke)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Williams ,L (Luke)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
3	Pieterse ,J (Jean)	1	1	425	1	1	425	0	0	0	0	0	0
3	Pieterse ,J (Jean)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Fortuin ,A (Adam)	1	1	425	1	1	425	0	0	0	0	0	0
4	Fortuin ,A (Adam)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Michaelides ,G (George)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Michaelides ,G (George)	1	1251.8	826.8	1	1218.7	826.8	0	0	0	0	0	0
6	Levin ,J (Jamie)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Levin ,J (Jamie)	1	1228.9	803.9	1	1217.4	803.9	0	0	0	0	0	0
7	Wang ,T (Tonic)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Wang ,T (Tonic)	1	1190.8	765.8	1	1200	765.8	0	0	0	0	0	0
8	Carter ,C (Cullen)	1	1	425	1	1	425	0	0	0	0	0	0
8	Carter ,C (Cullen)	1	1198.2	1623.2	1	1216.6	1623.2	0	0	0	0	0	0
9	Kruger ,W (Willem Lodewyk Kruger)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Kruger ,W (Willem Lodewyk Kruger)	1	1245.5	820.5	1	1242.7	820.5	0	0	0	0	0	0
10	Engelbrecht ,F (Francois)	1	1	425	1	1	425	0	0	0	0	0	0
10	Engelbrecht ,F (Francois)	1	1173.7	1598.7	1	1200	1598.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Pieterse, Z (Zanru)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms