Chess South Africa Ratings Database

PLAYER PAGE

Personal

Esterhuizen, Z (Zac)

Chess SA id

1140151399

FIDE id

Date of birth

2014-01-28 (U12)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-09-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1270.4	1222.8	1295.5	1200
Raw rating	1270.4	1222.8	1295.5	1200
Weighted rating	1270.4	1222.8	1295.5	1200
Weighted performance	0	0	0	0
Floor	770.4	722.8	795.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	150	160.5	144.7	165.8
Highest rating	1382.1 2023-08-01	1258.7 2023-05-01	1627.2 2023-08-01	1200 2018-10-01
Highest raw rating	1270.4 2024-03-01	1222.8 2024-03-01	1295.5 2024-03-01	1200 2024-03-01
Highest weighted rating	1270.4 2025-08-01	1222.8 2025-04-01	1295.5 2025-08-01	1200 2018-10-01
Highest weighted performance	1382.1 2023-08-01	1258.7 2023-05-01	1627.2 2023-08-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1270.4	1222.8	1295.5	1200
Analysis
Rating	1270.4	1222.8	1295.5	1200
Raw rating	1270.4	1222.8	1295.5	1200
Weighted rating	1270.4	1222.8	1295.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	770.4	722.8	795.5	700
Max/Min rating change allowed	150	160.5	144.7	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	1270.4	1222.8	1295.5	1200
New weighted rating	1270.4	1222.8	1295.5	1200
New weighted performance	0	0	0	0
Temp new rating	1270.4	1222.8	1295.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1270.4	1222.8	1295.5	1200
New K-factor	36	36	36	36
New floor	770.4	722.8	795.5	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	19	10	9
	0	0	0
	0	0	0
History	19	10	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
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	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
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	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	19	12.5	65.79	134.2	1214.5	1348.7
Standard	10	5.5	55	42.5	1205.6	1248.1
Rapid	9	7	77.78	236.1	1224.3	1460.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1270.4	1222.8	1295.5	1200
2025-09-01	1270.4	1222.8	1295.5	1200
2025-08-01	1270.4	1222.8	1295.5	1200
2025-07-01	1270.4	1222.8	1295.5	1200
2025-06-01	1270.4	1222.8	1295.5	1200
2025-05-01	1270.4	1222.8	1295.5	1200
2025-04-01	1270.4	1222.8	1295.5	1200
2025-03-01	1270.4	1222.8	1295.5	1200
2025-02-01	1270.4	1222.8	1295.5	1200
2025-01-01	1270.4	1222.8	1295.5	1200
2024-12-01	1270.4	1222.8	1295.5	1200
2024-11-01	1270.4	1222.8	1295.5	1200
2024-10-01	1270.4	1222.8	1295.5	1200
2024-09-01	1270.4	1222.8	1295.5	1200
2024-08-01	1270.4	1222.8	1295.5	1200
2024-07-01	1270.4	1222.8	1295.5	1200
2024-06-01	1270.4	1222.8	1295.5	1200
2024-08-01	1270.4	1222.8	1295.5	1200
2024-04-01	1270.4	1222.8	1295.5	1200
2024-03-01	1270.4	1222.8	1295.5	1200
2024-02-01	1270.4	1222.8	1295.5	1200
2024-01-01	1270.4	1222.8	1295.5	1200
2023-12-01	1270.4	1222.8	1295.5	1200
2023-11-01	1270.4	1222.8	1295.5	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	Mpumalanga Final 2023 (U9)	2023-09-02	2023-09-02	Rapid	Gert Sibande (MGS)	5	5	3	Yes	Analysis
2	Interprimary 2023 (U9)	2023-08-05	2023-08-05	Rapid	Ehlanzeni (MEN)	5	4	4	Yes	Analysis
3	Robbies 2023 (U12)	2023-05-11	2023-05-11	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
4	Uplands Chess Tournament 2023 (U12)	2023-02-25	2023-02-25	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 2	type Rapid	result 1	date 2023-08-05	rnd 5	type Rapid	result 1
		Opponent Immelman, J (Jarcovic)				Opponent Guman, M (Mueez)
2	2	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 4	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Sande, T (Tavonga)				Opponent Kruger, J (Janco)
3	2	Tournament Robbies 2023				Tournament Robbies 2023
		date 2023-05-11	rnd 3	type Standard	result 1	date 2023-05-11	rnd 4	type Standard	result 1
		Opponent Dzimba, W (Wise)				Opponent Pretorius, Z (Zian)

#	Games	Start				End
1	2	Tournament Robbies 2023				Tournament Robbies 2023
		date 2023-05-11	rnd 3	type Standard	result 1	date 2023-05-11	rnd 4	type Standard	result 1
		Opponent Dzimba, W (Wise)				Opponent Pretorius, Z (Zian)
2	2	Tournament Uplands Chess Tournament 2023				Tournament Robbies 2023
		date 2023-02-25	rnd 5	type Standard	result 0.5	date 2023-05-11	rnd 1	type Standard	result 1
		Opponent Ngwerume, M (Mcjoseph)				Opponent Mkhatshwa, P (Proud)
3	2	Tournament Uplands Chess Tournament 2023				Tournament Uplands Chess Tournament 2023
		date 2023-02-25	rnd 2	type Standard	result 1	date 2023-02-25	rnd 3	type Standard	result 1
		Opponent Mashigo, M (Msuku)				Opponent Mlambo, M (Miranda)

#	Games	Start				End
1	4	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 2	type Rapid	result 1	date 2023-08-05	rnd 5	type Rapid	result 1
		Opponent Immelman, J (Jarcovic)				Opponent Guman, M (Mueez)
2	2	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 4	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Sande, T (Tavonga)				Opponent Kruger, J (Janco)
3	1	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 2	type Rapid	result 1	date 2023-09-02	rnd 2	type Rapid	result 1
		Opponent Cawood, L (Luan)				Opponent Cawood, L (Luan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 2	type Rapid	result 1	date 2023-08-05	rnd 5	type Rapid	result 1
		Opponent Immelman, J (Jarcovic)				Opponent Guman, M (Mueez)
2	2	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 4	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Sande, T (Tavonga)				Opponent Kruger, J (Janco)
3	2	Tournament Robbies 2023				Tournament Robbies 2023
		date 2023-05-11	rnd 3	type Standard	result 1	date 2023-05-11	rnd 4	type Standard	result 1
		Opponent Dzimba, W (Wise)				Opponent Pretorius, Z (Zian)

#	Games	Start				End
1	2	Tournament Robbies 2023				Tournament Robbies 2023
		date 2023-05-11	rnd 3	type Standard	result 1	date 2023-05-11	rnd 4	type Standard	result 1
		Opponent Dzimba, W (Wise)				Opponent Pretorius, Z (Zian)
2	2	Tournament Uplands Chess Tournament 2023				Tournament Uplands Chess Tournament 2023
		date 2023-02-25	rnd 2	type Standard	result 1	date 2023-02-25	rnd 3	type Standard	result 1
		Opponent Mashigo, M (Msuku)				Opponent Mlambo, M (Miranda)
3	1	Tournament Robbies 2023				Tournament Robbies 2023
		date 2023-05-11	rnd 1	type Standard	result 1	date 2023-05-11	rnd 1	type Standard	result 1
		Opponent Mkhatshwa, P (Proud)				Opponent Mkhatshwa, P (Proud)

#	Games	Start				End
1	4	Tournament Interprimary 2023				Tournament Interprimary 2023
		date 2023-08-05	rnd 2	type Rapid	result 1	date 2023-08-05	rnd 5	type Rapid	result 1
		Opponent Immelman, J (Jarcovic)				Opponent Guman, M (Mueez)
2	2	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 4	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Sande, T (Tavonga)				Opponent Kruger, J (Janco)
3	1	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 2	type Rapid	result 1	date 2023-09-02	rnd 2	type Rapid	result 1
		Opponent Cawood, L (Luan)				Opponent Cawood, L (Luan)

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	Immelman ,J (Jarcovic)	2	1	0	0	0	0	2	1	0	0	0	0
1	Immelman ,J (Jarcovic)	2	1220.1	1220.1	0	0	0	2	1236	1220.1	0	0	0
2	Mkhatshwa ,P (Proud)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mkhatshwa ,P (Proud)	1	1144.1	1569.1	1	1131.6	1569.1	0	0	0	0	0	0
3	Pretorius ,Z (Zian)	1	1	425	1	1	425	0	0	0	0	0	0
3	Pretorius ,Z (Zian)	1	1253.9	1678.9	1	1259.4	1678.9	0	0	0	0	0	0
4	Suriakumar ,V (Vihaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Suriakumar ,V (Vihaan)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Mashigo ,M (Msuku)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mashigo ,M (Msuku)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Ngwerume ,M (Mcjoseph)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Ngwerume ,M (Mcjoseph)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
7	Saldanha ,N (Noah)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Saldanha ,N (Noah)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Mlambo ,M (Miranda)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mlambo ,M (Miranda)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Siwele ,T (Tsakani)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Siwele ,T (Tsakani)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Vilavathu ,V (Vaiga)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Vilavathu ,V (Vaiga)	1	1257.8	832.8	1	1269.1	832.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Esterhuizen, Z (Zac)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms