Chess South Africa Ratings Database

PLAYER PAGE

Personal

Esterhuysen, A (Aj)

Chess SA id

1150150271

FIDE id

Date of birth

2015-09-15 (U12)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-28

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1136.1	1116	1212.4	1200
Raw rating	1136.1	1116	1212.4	1200
Weighted rating	1133.1	1111.3	1212.4	1200
Weighted performance	0	0	0	0
Floor	710.1	700	719.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	181.6	186.9	162.9	165.8
Highest rating	1213.3 2023-02-01	1200 2018-10-01	1288.7 2023-02-01	1200 2018-10-01
Highest raw rating	1210.1 2023-03-01	1200 2019-12-01	1219.2 2023-03-01	1200 2024-03-01
Highest weighted rating	1210.1 2023-05-01	1200 2018-10-01	1219.2 2025-02-01	1200 2018-10-01
Highest weighted performance	1213.3 2023-02-01	1200 2019-12-01	1288.7 2023-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1136.1	1116	1212.4	1200
Analysis
Rating	1136.1	1116	1212.4	1200
Raw rating	1136.1	1116	1212.4	1200
Weighted rating	1133.1	1111.3	1212.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	710.1	700	719.2	700
Max/Min rating change allowed	181.6	186.9	162.9	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	1136.1	1116	1212.4	1200
New weighted rating	1133.7	1112.2	1212.4	1200
New weighted performance	0	0	0	0
Temp new rating	1136.1	1116	1212.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1136.1	1116	1212.4	1200
New K-factor	36	36	36	36
New floor	710.1	700	719.2	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	3	3	0
	16	6	10
	0	0	0
	0	0	0
History	19	9	10

Games since
	Main 3	Standard 3		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	-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	7	36.84	-111.8	1206.9	1095.1
Standard	9	2	22.22	-236.1	1203.1	967
Rapid	10	5	50	0	1210.3	1210.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1136.1	1116	1212.4	1200
2025-09-01	1136.1	1116	1212.4	1200
2025-08-01	1136.1	1116	1212.4	1200
2025-07-01	1136.1	1116	1212.4	1200
2025-06-01	1136.1	1116	1212.4	1200
2025-05-01	1136.1	1116	1212.4	1200
2025-04-01	1136.1	1116	1212.4	1200
2025-03-01	1136.1	1116	1212.4	1200
2025-02-01	1136.1	1116	1212.4	1200
2025-01-01	1136.1	1116	1212.4	1200
2024-12-01	1136.1	1116	1212.4	1200
2024-11-01	1136.1	1116	1212.4	1200
2024-10-01	1136.1	1116	1212.4	1200
2024-09-01	1136.1	1116	1212.4	1200
2024-08-01	1136.1	1116	1212.4	1200
2024-07-01	1116.1	1084.4	1212.4	1200
2024-06-01	1116.1	1084.4	1212.4	1200
2024-08-01	1116.1	1084.4	1212.4	1200
2024-04-01	1116.1	1084.4	1212.4	1200
2024-03-01	1116.1	1084.4	1212.4	1200
2024-02-01	1116.1	1084.4	1212.4	1200
2024-01-01	1116.1	1084.4	1212.4	1200
2023-12-01	1116.1	1084.4	1212.4	1200
2023-11-01	1116.1	1084.4	1212.4	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 Metro District East Top Schools Chess 2024 (U9 Mixed)	2024-07-27	2024-07-28	Standard	Cape Town (WCT)	5	3	2	Yes	Analysis
2	Western Cape PS Individuals 2023 (U9 Boys)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	0	Yes	Analysis
3	Cape Town Metro Schools Chess Closed Individuals 2023 (U9 Boys)	2023-03-04	2023-03-04	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis
4	District East Schools Chess Individual Trials 2023 (U7+U9 Mixed)	2023-02-04	2023-02-04	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Top Schools Chess 2024
		date 2024-07-27	rnd 3	type Standard	result 1	date 2024-07-28	rnd 5	type Standard	result 1
		Opponent Kwinana, S (Somila)				Opponent Janse Van Rensberg, D (Divan)
2	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 5	type Rapid	result 1	date 2023-03-04	rnd 5	type Rapid	result 1
		Opponent Makhubedu, T (Te Amo)				Opponent Makhubedu, T (Te Amo)
3	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 3	type Rapid	result 1	date 2023-03-04	rnd 3	type Rapid	result 1
		Opponent Viljoen, J (Jordan Joshua)				Opponent Viljoen, J (Jordan Joshua)

#	Games	Start				End
1	2	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Top Schools Chess 2024
		date 2024-07-27	rnd 3	type Standard	result 1	date 2024-07-28	rnd 5	type Standard	result 1
		Opponent Kwinana, S (Somila)				Opponent Janse Van Rensberg, D (Divan)

#	Games	Start				End
1	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 5	type Rapid	result 1	date 2023-03-04	rnd 5	type Rapid	result 1
		Opponent Makhubedu, T (Te Amo)				Opponent Makhubedu, T (Te Amo)
2	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 3	type Rapid	result 1	date 2023-03-04	rnd 3	type Rapid	result 1
		Opponent Viljoen, J (Jordan Joshua)				Opponent Viljoen, J (Jordan Joshua)
3	1	Tournament District East Schools Chess Individual Trials 2023				Tournament District East Schools Chess Individual Trials 2023
		date 2023-02-04	rnd 5	type Rapid	result 1	date 2023-02-04	rnd 5	type Rapid	result 1
		Opponent Webb, P (Paul)				Opponent Webb, P (Paul)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Top Schools Chess 2024
		date 2024-07-27	rnd 3	type Standard	result 1	date 2024-07-28	rnd 5	type Standard	result 1
		Opponent Kwinana, S (Somila)				Opponent Janse Van Rensberg, D (Divan)
2	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 5	type Rapid	result 1	date 2023-03-04	rnd 5	type Rapid	result 1
		Opponent Makhubedu, T (Te Amo)				Opponent Makhubedu, T (Te Amo)
3	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 3	type Rapid	result 1	date 2023-03-04	rnd 3	type Rapid	result 1
		Opponent Viljoen, J (Jordan Joshua)				Opponent Viljoen, J (Jordan Joshua)

#	Games	Start				End
1	2	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Top Schools Chess 2024
		date 2024-07-27	rnd 3	type Standard	result 1	date 2024-07-28	rnd 5	type Standard	result 1
		Opponent Kwinana, S (Somila)				Opponent Janse Van Rensberg, D (Divan)

#	Games	Start				End
1	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 5	type Rapid	result 1	date 2023-03-04	rnd 5	type Rapid	result 1
		Opponent Makhubedu, T (Te Amo)				Opponent Makhubedu, T (Te Amo)
2	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 3	type Rapid	result 1	date 2023-03-04	rnd 3	type Rapid	result 1
		Opponent Viljoen, J (Jordan Joshua)				Opponent Viljoen, J (Jordan Joshua)
3	1	Tournament District East Schools Chess Individual Trials 2023				Tournament District East Schools Chess Individual Trials 2023
		date 2023-02-04	rnd 5	type Rapid	result 1	date 2023-02-04	rnd 5	type Rapid	result 1
		Opponent Webb, P (Paul)				Opponent Webb, P (Paul)

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	Bester ,S (Sebastian)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Bester ,S (Sebastian)	1	1344.5	919.5	1	1292.7	919.5	0	0	0	0	0	0
2	Small ,W (Wyatt)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Small ,W (Wyatt)	1	1135.9	710.9	1	1129.6	710.9	0	0	0	0	0	0
3	Janse Van Rensberg ,D (Divan)	1	1	425	1	1	425	0	0	0	0	0	0
3	Janse Van Rensberg ,D (Divan)	1	1175	1600	1	1200	1600	0	0	0	0	0	0
4	Sacco ,A (Ansley)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Sacco ,A (Ansley)	1	1211.1	786.1	1	1200	786.1	0	0	0	0	0	0
5	Swartz ,R (Rowan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Swartz ,R (Rowan)	1	1147.4	722.4	1	1200	722.4	0	0	0	0	0	0
6	Arries ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Arries ,E (Ethan)	1	1331.6	906.6	1	1327.3	906.6	0	0	0	0	0	0
7	Foster ,B (Bjorn)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Foster ,B (Bjorn)	1	1153.2	728.2	1	1146.4	728.2	0	0	0	0	0	0
8	Claassen ,C (Caleb)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Claassen ,C (Caleb)	1	1129.2	704.2	1	1141.4	704.2	0	0	0	0	0	0
9	Kwinana ,S (Somila)	1	1	425	1	1	425	0	0	0	0	0	0
9	Kwinana ,S (Somila)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Viljoen ,J (Jordan Joshua)	1	1	425	0	0	0	1	1	425	0	0	0
10	Viljoen ,J (Jordan Joshua)	1	1214.9	1639.9	0	0	0	1	1228	1639.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Esterhuysen, A (Aj)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms