Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Kock, A (Aj)

Chess SA id

1090098026

FIDE id

Date of birth

2009-07-30 (U18)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1151.3	1117.2	1194.4	1200
Raw rating	1151.3	1117.2	1194.4	1200
Weighted rating	1151.3	1117.2	1194.4	1200
Weighted performance	270.2	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	177.7	186.6	167.1	165.8
Highest rating	1200 2018-02-01	1200 2018-10-01	1405.5 2018-02-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-10-01	1200 2018-02-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1405.5 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1151.3	1117.2	1194.4	1200
Analysis
Rating	1151.3	1117.2	1194.4	1200
Raw rating	1151.3	1117.2	1194.4	1200
Weighted rating	1151.3	1117.2	1194.4
Weighted performance	270.2	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	177.7	186.6	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	1151.3	1117.2	1194.4	1200
New weighted rating	1151.3	1117.2	1194.4	1200
New weighted performance	263.4	0	0	0
Temp new rating	1151.3	1117.2	1194.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1151.3	1117.2	1194.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	90	65	18	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	41	21	51.22	10.4	1160.5	1170.9
Standard	16	6	37.5	-106.2	1177.7	1071.4
Rapid	18	11	61.11	94.4	1159.5	1254
Blitz	7	4	57.14	60.7	1124	1184.7

Date	Main	Standard	Rapid	Blitz
2025-11-01	1151.3	1117.2	1194.4	1200
2025-09-30	1151.3	1117.2	1194.4	1200
2025-09-01	1151.3	1117.2	1194.4	1200
2025-08-01	1151.3	1117.2	1194.4	1200
2025-07-01	1151.3	1117.2	1194.4	1200
2025-06-01	1151.3	1117.2	1194.4	1200
2025-05-01	1151.3	1117.2	1194.4	1200
2025-04-01	1151.3	1117.2	1194.4	1200
2025-03-01	1151.3	1117.2	1194.4	1200
2025-02-01	1151.3	1117.2	1194.4	1200
2025-01-01	1151.3	1117.2	1194.4	1200
2024-12-01	1151.3	1117.2	1194.4	1200
2024-11-01	1151.3	1117.2	1194.4	1200
2024-10-01	1151.3	1117.2	1194.4	1200
2024-09-01	1151.3	1117.2	1194.4	1200
2024-08-01	1151.3	1117.2	1194.4	1200
2024-07-01	1151.3	1117.2	1194.4	1200
2024-09-01	1151.3	1117.2	1194.4	1200
2024-05-01	1151.3	1117.2	1194.4	1200
2024-04-01	1151.3	1117.2	1194.4	1200
2024-03-01	1151.3	1117.2	1194.4	1200
2024-02-01	1151.3	1117.2	1194.4	1200
2024-01-01	1151.3	1117.2	1194.4	1200
2023-12-01	1151.3	1117.2	1194.4	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	Paul Roos Blitz 2020	2020-02-22	2020-02-22	Blitz	Cape Winelands (WCW)	9	7	4	Yes	Analysis
2	Cape Winelands Schools Trials 1 2020 (U11 Boys)	2020-02-08	2020-02-08	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
3	Western Cape Top Schools 2019 (U11 Mix)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	4	1	Yes	Analysis
4	Western Cape Schools Individuals 2019 (U11 Boys)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	2	Yes	Analysis
5	Cape Winelands Schools Closed 2019 (U11 Boys)	2019-03-16	2019-03-17	Standard	Cape Winelands (WCW)	7	6	3	Yes	Analysis
6	CW Schools Open 2019 (U11 Boys)	2019-02-02	2019-02-02	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
7	Cape Winelands Schools Trials 1 2018 (U9 Boys)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis

#	Games	Start				End
1	4	Tournament Paul Roos Blitz 2020				Tournament Paul Roos Blitz 2020
		date 2020-02-22	rnd 4	type Blitz	result 1	date 2020-02-22	rnd 7	type Blitz	result 1
		Opponent De Kock, C (Christiaan)				Opponent Micheals, M (Marqwin)
2	3	Tournament Cape Winelands Schools Closed 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-03-16	rnd 2	type Standard	result 1	date 2019-03-16	rnd 4	type Standard	result 0.5
		Opponent Grobbelaar, A (Altus)				Opponent Van Tonder, P (Pieter-Louw)
3	3	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 2	type Rapid	result 1	date 2018-03-03	rnd 4	type Rapid	result 1
		Opponent Matthys, C (Chadley)				Opponent Mapingana, A (Alakhe)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Closed 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-03-16	rnd 2	type Standard	result 1	date 2019-03-16	rnd 4	type Standard	result 0.5
		Opponent Grobbelaar, A (Altus)				Opponent Van Tonder, P (Pieter-Louw)
2	1	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-31	rnd 1	type Standard	result 1	date 2019-08-31	rnd 1	type Standard	result 1
		Opponent April, M (Matthew)				Opponent April, M (Matthew)
3	1	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-19	rnd 5	type Standard	result 1	date 2019-05-19	rnd 5	type Standard	result 1
		Opponent Zungula, C (Chulumanco)				Opponent Zungula, C (Chulumanco)

#	Games	Start				End
1	3	Tournament CW Schools Open 2019				Tournament Cape Winelands Schools Trials 1 2020
		date 2019-02-02	rnd 6	type Rapid	result 1	date 2020-02-08	rnd 2	type Rapid	result 1
		Opponent Du Toit, S (Schalk)				Opponent Zwaan, C (Christian)
2	3	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 2	type Rapid	result 1	date 2018-03-03	rnd 4	type Rapid	result 1
		Opponent Matthys, C (Chadley)				Opponent Mapingana, A (Alakhe)
3	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 4	type Rapid	result 1	date 2020-02-08	rnd 5	type Rapid	result 1
		Opponent October, K (Kaid)				Opponent Heyes, O (Oliver)

#	Games	Start				End
1	4	Tournament Paul Roos Blitz 2020				Tournament Paul Roos Blitz 2020
		date 2020-02-22	rnd 4	type Blitz	result 1	date 2020-02-22	rnd 7	type Blitz	result 1
		Opponent De Kock, C (Christiaan)				Opponent Micheals, M (Marqwin)

#	Games	Start				End
1	4	Tournament Paul Roos Blitz 2020				Tournament Paul Roos Blitz 2020
		date 2020-02-22	rnd 4	type Blitz	result 1	date 2020-02-22	rnd 7	type Blitz	result 1
		Opponent De Kock, C (Christiaan)				Opponent Micheals, M (Marqwin)
2	3	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 2	type Rapid	result 1	date 2018-03-03	rnd 4	type Rapid	result 1
		Opponent Matthys, C (Chadley)				Opponent Mapingana, A (Alakhe)
3	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 4	type Rapid	result 1	date 2020-02-08	rnd 5	type Rapid	result 1
		Opponent October, K (Kaid)				Opponent Heyes, O (Oliver)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Closed 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-03-16	rnd 2	type Standard	result 1	date 2019-03-16	rnd 3	type Standard	result 1
		Opponent Grobbelaar, A (Altus)				Opponent Hanekom, L (Logan)
2	1	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-31	rnd 1	type Standard	result 1	date 2019-08-31	rnd 1	type Standard	result 1
		Opponent April, M (Matthew)				Opponent April, M (Matthew)
3	1	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-19	rnd 5	type Standard	result 1	date 2019-05-19	rnd 5	type Standard	result 1
		Opponent Zungula, C (Chulumanco)				Opponent Zungula, C (Chulumanco)

#	Games	Start				End
1	3	Tournament CW Schools Open 2019				Tournament Cape Winelands Schools Trials 1 2020
		date 2019-02-02	rnd 6	type Rapid	result 1	date 2020-02-08	rnd 2	type Rapid	result 1
		Opponent Du Toit, S (Schalk)				Opponent Zwaan, C (Christian)
2	3	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 2	type Rapid	result 1	date 2018-03-03	rnd 4	type Rapid	result 1
		Opponent Matthys, C (Chadley)				Opponent Mapingana, A (Alakhe)
3	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 4	type Rapid	result 1	date 2020-02-08	rnd 5	type Rapid	result 1
		Opponent October, K (Kaid)				Opponent Heyes, O (Oliver)

#	Games	Start				End
1	4	Tournament Paul Roos Blitz 2020				Tournament Paul Roos Blitz 2020
		date 2020-02-22	rnd 4	type Blitz	result 1	date 2020-02-22	rnd 7	type Blitz	result 1
		Opponent De Kock, C (Christiaan)				Opponent Micheals, M (Marqwin)

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	Hanekom ,L (Logan)	2	2	425	2	2	425	0	0	0	0	0	0
1	Hanekom ,L (Logan)	2	1222.6	1647.6	2	1210.7	1647.6	0	0	0	0	0	0
2	Zungula ,C (Chulumanco)	2	2	425	1	1	425	1	1	425	0	0	0
2	Zungula ,C (Chulumanco)	2	1175.2	1600.2	1	1023.6	1600.2	1	1173.6	1600.2	0	0	0
3	Addinall ,E (Ewald)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Addinall ,E (Ewald)	1	1154.8	729.8	1	1146.9	729.8	0	0	0	0	0	0
4	Van Tonder ,P (Pieter-Louw)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Van Tonder ,P (Pieter-Louw)	1	1214.5	1214.5	1	1179.2	1214.5	0	0	0	0	0	0
5	Maarman ,C (Christiano)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Maarman ,C (Christiano)	1	1234.3	809.3	1	1234	809.3	0	0	0	0	0	0
6	Geyser ,JM (Jacobus Marthinus)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Geyser ,JM (Jacobus Marthinus)	1	1172.5	747.5	1	1041.2	747.5	0	0	0	0	0	0
7	De Vos ,ES (Eustace Steyn)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	De Vos ,ES (Eustace Steyn)	1	1022.6	597.6	1	839.6	597.6	0	0	0	0	0	0
8	Booysen ,S (Simon)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Booysen ,S (Simon)	1	1358.4	933.4	1	1357.7	933.4	0	0	0	0	0	0
9	Zwaan ,C (Christian)	1	1	425	0	0	0	1	1	425	0	0	0
9	Zwaan ,C (Christian)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Williams ,G (Gr-Keith)	1	1	425	0	0	0	1	1	425	0	0	0
10	Williams ,G (Gr-Keith)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

De Kock, A (Aj)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms