Chess South Africa Ratings Database

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Personal

Pienaar, Z (Zander)

Chess SA id

1150193585

FIDE id

Date of birth

2015-06-24 (U12)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1402.7	1387.3	1322.4	1200
Raw rating	1402.7	1387.3	1322.4	1200
Weighted rating	1317.8	1316.6	1209.8	1200
Weighted performance	1402.6	1319.1	0	0
Floor	902.7	887.3	822.4	700
K-factor	32	36	36	36
Min/Max rating change allowed	124.2	127	139.3	165.8
Highest rating	1461.4 2024-05-01	1458.2 2024-05-01	1322.4 2026-01-01	1200 2024-02-01
Highest raw rating	1402.7 2026-01-01	1387.3 2025-09-30	1322.4 2026-01-01	1200 2024-02-01
Highest weighted rating	1320.5 2024-10-01	1340.3 2024-10-01	1209.8 2026-01-01	1200 2024-02-01
Highest weighted performance	1461.4 2024-05-01	1458.2 2024-05-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3.2	-5	0	0
New rating	1399.5	1382.2	1322.4	1200
Analysis
Rating	1402.7	1387.3	1322.4	1200
Raw rating	1402.7	1387.3	1322.4	1200
Weighted rating	1317.8	1316.6	1209.8
Weighted performance	1402.6	1319.1	0
K-factor	32	36	36	36
Floor	902.7	887.3	822.4	700
Max/Min rating change allowed	124.2	127	139.3	165.8
Games	5	5	0	0
Score	2	2	0	0
Expected score	2.1	2.14	0	0
Score-Expected	-0.1	-0.14	0	0
Temp raw +/-	-3.2	-5	0	0
Final raw +/-	-3.2	-5	0	0
New raw rating	1399.5	1382.2	1322.4	1200
New weighted rating	1326.2	1323.6	1219.2	1200
New weighted performance	1393.6	1344.1	0	0
Temp new rating	1399.5	1382.2	1322.4	1200
Temp new rating +/-	-3.2	-5	0	0
Final new rating +/-	-3.2	-5	0	0
New rating	1399.5	1382.2	1322.4	1200
New K-factor	32	36	36	36
New floor	902.7	887.3	822.4	700

Item	Main	Standard
	0	0
	17	17
	22	22
	0	0
	0	0
	0	0
History	39	39

Games since
	Main 39	Standard 39		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	2236		613		293
Male	1814		474		235
U12	293		83		35
U12 Male	215		59		27
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	17	12	70.59	175	1285.6	1460.6
Standard	17	12	70.59	175	1285.6	1460.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	39	25	64.1	119.9	1282	1401.9
Standard	39	25	64.1	119.9	1282	1401.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1402.7	1387.3	1322.4	1200
2025-11-30	1381.3	1387.3	1200	1200
2025-11-01	1381.3	1387.3	1200	1200
2025-09-30	1381.3	1387.3	1200	1200
2025-09-01	1343.1	1349.5	1200	1200
2025-08-01	1280.7	1273.5	1200	1200
2025-07-01	1280.7	1273	1200	1200
2025-06-01	1280.7	1273	1200	1200
2025-05-01	1280.7	1273	1200	1200
2025-04-01	1280.7	1273	1200	1200
2025-03-01	1280.7	1273	1200	1200
2025-02-01	1290	1291.7	1200	1200
2025-01-01	1290	1291.7	1200	1200
2024-12-01	1290	1291.7	1200	1200
2024-11-01	1290	1291.7	1200	1200
2024-10-01	1290	1291.7	1200	1200
2024-09-01	1290	1291.7	1200	1200
2024-11-01	1290	1291.7	1200	1200
2024-07-01	1290	1291.7	1200	1200
2024-06-01	1320.5	1340.3	1200	1200
2024-05-01	1226.7	1226.9	1200	1200
2024-04-01	1226.7	1226.9	1200	1200
2024-03-01	1218.6	1220.4	1200	1200
2024-02-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Helderberg Chess Club Open 2026 (U11 Mixed)	2026-01-17	2026-01-17	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Helderberg Chess Club Open 2026 (U11 Mixed)	2026-01-17	2026-01-17	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Helderberg Chess Club Open 2026 (U11 Mixed)	2026-01-17	2026-01-17	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
2	Six Gun Grill Summer Sport Festival Chess Championships 2025 (Individual U11 Boys)	2025-12-09	2025-12-09	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	Six Gun Grill Summer Sport Festival Chess Championships 2025 (Team U11)	2025-12-08	2025-12-08	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
4	Western Cape Schools - Top Schools 2025 (U11)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
5	Cape Town Metro North Top Schools 2025 (U11)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
6	CT Metro North Schools Chess Individual Trials 2025 (U11 Open)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
7	Cape Town Chess Federation Closed Chess Championships 2024 (U10)	2024-06-15	2024-06-15	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
8	Western Cape PS Individuals Championship 2024 (U9 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	5	Yes	Analysis
9	Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
10	North District School Trials 2024 (U9 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3	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 Louw, T (Thomas)				Opponent Harman, C (Cole)
2	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Cape Town Chess Federation Closed Chess Championships 2024
		date 2024-05-05	rnd 5	type Standard	result 1	date 2024-06-15	rnd 1	type Standard	result 1
		Opponent Opperman, C (Caden)				Opponent Zembeta, M (Mary Siyamthanda)
3	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 1	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Marner, L (Loannes)				Opponent Stanley, S (Sebastian)

#	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 Louw, T (Thomas)				Opponent Harman, C (Cole)
2	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Cape Town Chess Federation Closed Chess Championships 2024
		date 2024-05-05	rnd 5	type Standard	result 1	date 2024-06-15	rnd 1	type Standard	result 1
		Opponent Opperman, C (Caden)				Opponent Zembeta, M (Mary Siyamthanda)
3	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 1	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Marner, L (Loannes)				Opponent Stanley, S (Sebastian)

No games found.

#	Games	Start				End

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 Louw, T (Thomas)				Opponent Harman, C (Cole)
2	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Cape Town Chess Federation Closed Chess Championships 2024
		date 2024-05-05	rnd 5	type Standard	result 1	date 2024-06-15	rnd 1	type Standard	result 1
		Opponent Opperman, C (Caden)				Opponent Zembeta, M (Mary Siyamthanda)
3	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 1	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Marner, L (Loannes)				Opponent Stanley, S (Sebastian)

#	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 Louw, T (Thomas)				Opponent Harman, C (Cole)
2	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Cape Town Chess Federation Closed Chess Championships 2024
		date 2024-05-05	rnd 5	type Standard	result 1	date 2024-06-15	rnd 1	type Standard	result 1
		Opponent Opperman, C (Caden)				Opponent Zembeta, M (Mary Siyamthanda)
3	3	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 1	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Marner, L (Loannes)				Opponent Stanley, S (Sebastian)

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	Beukes ,B (Benjamin)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Beukes ,B (Benjamin)	2	1259.5	834.5	2	1233.8	834.5	0	0	0	0	0	0
2	Meyer ,D (Declan)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Meyer ,D (Declan)	2	1339.6	914.6	2	1314.9	914.6	0	0	0	0	0	0
3	Johnson ,B (Brian)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Johnson ,B (Brian)	2	1321.5	896.5	2	1246.8	896.5	0	0	0	0	0	0
4	Wiggill ,H (Handre)	2	1	0	2	1	0	0	0	0	0	0	0
4	Wiggill ,H (Handre)	2	1180.9	1180.9	2	1200.6	1180.9	0	0	0	0	0	0
5	Isaacs ,A (Arnica)	1	1	425	1	1	425	0	0	0	0	0	0
5	Isaacs ,A (Arnica)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Hou ,S (Summer)	1	1	425	1	1	425	0	0	0	0	0	0
6	Hou ,S (Summer)	1	1259.5	1684.5	1	1209.3	1684.5	0	0	0	0	0	0
7	Krengo ,O (Olwakhe)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Krengo ,O (Olwakhe)	1	1200.6	775.6	1	1186	775.6	0	0	0	0	0	0
8	Musakwa ,C (Cole)	1	1	425	1	1	425	0	0	0	0	0	0
8	Musakwa ,C (Cole)	1	1353.9	1778.9	1	1338.1	1778.9	0	0	0	0	0	0
9	Williams ,L (Luke)	1	1	425	1	1	425	0	0	0	0	0	0
9	Williams ,L (Luke)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Harman ,C (Cole)	1	1	425	1	1	425	0	0	0	0	0	0
10	Harman ,C (Cole)	1	1249.6	1674.6	1	1199.8	1674.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Pienaar, Z (Zander)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms