Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bester, J (Jean Jacques)

Chess SA id

1100152909

FIDE id

Date of birth

2010-10-25 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-06-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1099.3	1131.4	1116.8	1200
Raw rating	1099.3	1131.4	1116.8	1200
Weighted rating	1098.8	1130.9	1116.7	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	191.4	182.8	186.7	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1099.3	1131.4	1116.8	1200
Analysis
Rating	1099.3	1131.4	1116.8	1200
Raw rating	1099.3	1131.4	1116.8	1200
Weighted rating	1098.8	1130.9	1116.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	191.4	182.8	186.7	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	1099.3	1131.4	1116.8	1200
New weighted rating	1098.8	1131	1116.7	1200
New weighted performance	0	0	0	0
Temp new rating	1099.3	1131.4	1116.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1099.3	1131.4	1116.8	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	24	6	18
	0	0	0
	0	0	0
History	24	6	18

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	24	6.5	27.08	-194.8	1231.4	1036.6
Standard	6	1	16.67	-283.3	1236.1	952.8
Rapid	18	5.5	30.56	-165.3	1229.8	1064.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1099.3	1131.4	1116.8	1200
2025-09-30	1099.3	1131.4	1116.8	1200
2025-09-01	1099.3	1131.4	1116.8	1200
2025-08-01	1099.3	1131.4	1116.8	1200
2025-07-01	1099.3	1131.4	1116.8	1200
2025-06-01	1099.3	1131.4	1116.8	1200
2025-05-01	1099.3	1131.4	1116.8	1200
2025-04-01	1099.3	1131.4	1116.8	1200
2025-03-01	1099.3	1131.4	1116.8	1200
2025-02-01	1099.3	1131.4	1116.8	1200
2025-01-01	1097.9	1130	1116.4	1200
2024-12-01	1097.9	1130	1116.4	1200
2024-11-01	1097.9	1130	1116.4	1200
2024-10-01	1097.9	1130	1116.4	1200
2024-09-01	1097.9	1130	1116.4	1200
2024-08-01	1097.9	1130	1116.4	1200
2024-07-01	1097.9	1130	1116.4	1200
2024-09-01	1097.9	1130	1116.4	1200
2024-05-01	1097.9	1130	1116.4	1200
2024-04-01	1097.9	1130	1116.4	1200
2024-03-01	1097.9	1130	1116.4	1200
2024-02-01	1097.9	1130	1116.4	1200
2024-01-01	1097.9	1130	1116.4	1200
2023-12-01	1097.9	1130	1116.4	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	WP Closed 2023 (U14)	2023-06-16	2023-06-17	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis
2	GPCA Rapid 2023 (U14)	2023-06-24	2023-06-24	Rapid	Cape Town (WCT)	7	7	2	Yes	Analysis
3	Steinitz Open 2023 (U14)	2023-05-27	2023-05-27	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis
4	Cape Town Open 2023 (U14)	2023-03-25	2023-03-25	Rapid	Cape Town (WCT)	6	6	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-25	rnd 4	type Rapid	result 0.5	date 2023-03-25	rnd 5	type Rapid	result 1
		Opponent Van Zyl, M (Martin)				Opponent Samuels, J (Jean)
2	1	Tournament GPCA Rapid 2023				Tournament GPCA Rapid 2023
		date 2023-06-24	rnd 7	type Rapid	result 1	date 2023-06-24	rnd 7	type Rapid	result 1
		Opponent Grobbelaar, R (Ruan)				Opponent Grobbelaar, R (Ruan)
3	1	Tournament GPCA Rapid 2023				Tournament GPCA Rapid 2023
		date 2023-06-24	rnd 2	type Rapid	result 1	date 2023-06-24	rnd 2	type Rapid	result 1
		Opponent Jonathan, E (Eli)				Opponent Jonathan, E (Eli)

#	Games	Start				End
1	1	Tournament WP Closed 2023				Tournament WP Closed 2023
		date 2023-06-16	rnd 3	type Standard	result 1	date 2023-06-16	rnd 3	type Standard	result 1
		Opponent Sikhweyiya, M (Mihle)				Opponent Sikhweyiya, M (Mihle)

#	Games	Start				End
1	2	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-25	rnd 4	type Rapid	result 0.5	date 2023-03-25	rnd 5	type Rapid	result 1
		Opponent Van Zyl, M (Martin)				Opponent Samuels, J (Jean)
2	1	Tournament GPCA Rapid 2023				Tournament GPCA Rapid 2023
		date 2023-06-24	rnd 7	type Rapid	result 1	date 2023-06-24	rnd 7	type Rapid	result 1
		Opponent Grobbelaar, R (Ruan)				Opponent Grobbelaar, R (Ruan)
3	1	Tournament GPCA Rapid 2023				Tournament GPCA Rapid 2023
		date 2023-06-24	rnd 2	type Rapid	result 1	date 2023-06-24	rnd 2	type Rapid	result 1
		Opponent Jonathan, E (Eli)				Opponent Jonathan, E (Eli)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament GPCA Rapid 2023				Tournament GPCA Rapid 2023
		date 2023-06-24	rnd 7	type Rapid	result 1	date 2023-06-24	rnd 7	type Rapid	result 1
		Opponent Grobbelaar, R (Ruan)				Opponent Grobbelaar, R (Ruan)
2	1	Tournament GPCA Rapid 2023				Tournament GPCA Rapid 2023
		date 2023-06-24	rnd 2	type Rapid	result 1	date 2023-06-24	rnd 2	type Rapid	result 1
		Opponent Jonathan, E (Eli)				Opponent Jonathan, E (Eli)
3	1	Tournament WP Closed 2023				Tournament WP Closed 2023
		date 2023-06-16	rnd 3	type Standard	result 1	date 2023-06-16	rnd 3	type Standard	result 1
		Opponent Sikhweyiya, M (Mihle)				Opponent Sikhweyiya, M (Mihle)

#	Games	Start				End
1	1	Tournament WP Closed 2023				Tournament WP Closed 2023
		date 2023-06-16	rnd 3	type Standard	result 1	date 2023-06-16	rnd 3	type Standard	result 1
		Opponent Sikhweyiya, M (Mihle)				Opponent Sikhweyiya, M (Mihle)

#	Games	Start				End
1	1	Tournament GPCA Rapid 2023				Tournament GPCA Rapid 2023
		date 2023-06-24	rnd 7	type Rapid	result 1	date 2023-06-24	rnd 7	type Rapid	result 1
		Opponent Grobbelaar, R (Ruan)				Opponent Grobbelaar, R (Ruan)
2	1	Tournament GPCA Rapid 2023				Tournament GPCA Rapid 2023
		date 2023-06-24	rnd 2	type Rapid	result 1	date 2023-06-24	rnd 2	type Rapid	result 1
		Opponent Jonathan, E (Eli)				Opponent Jonathan, E (Eli)
3	1	Tournament Steinitz Open 2023				Tournament Steinitz Open 2023
		date 2023-05-27	rnd 5	type Rapid	result 1	date 2023-05-27	rnd 5	type Rapid	result 1
		Opponent Jansen, R (Riley)				Opponent Jansen, R (Riley)

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	Braaf ,J (Jordan)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Braaf ,J (Jordan)	1	1435.2	1010.2	1	1412.8	1010.2	0	0	0	0	0	0
2	Sikhweyiya ,M (Mihle)	1	1	425	1	1	425	0	0	0	0	0	0
2	Sikhweyiya ,M (Mihle)	1	1110.6	1535.6	1	1162.9	1535.6	0	0	0	0	0	0
3	Spence ,B (Brian)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Spence ,B (Brian)	1	1318.8	893.8	1	1251.8	893.8	0	0	0	0	0	0
4	Damane ,H (Hlumelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Damane ,H (Hlumelo)	1	1217.5	792.5	1	1208.4	792.5	0	0	0	0	0	0
5	Oosthuizen ,H (Henre)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Oosthuizen ,H (Henre)	1	1157	732	1	1176.8	732	0	0	0	0	0	0
6	Devanunthan ,N (Nivash)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Devanunthan ,N (Nivash)	1	1177.5	752.5	1	1200	752.5	0	0	0	0	0	0
7	Samuels ,J (Jean)	1	1	425	0	0	0	1	1	425	0	0	0
7	Samuels ,J (Jean)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Du Raan ,C (Cobus)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Du Raan ,C (Cobus)	1	1266.7	841.7	0	0	0	1	1236	841.7	0	0	0
9	Macilikishe ,A (Anda)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Macilikishe ,A (Anda)	1	1142.6	717.6	0	0	0	1	1144.4	717.6	0	0	0
10	Dippenaar ,R (Ruben)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Dippenaar ,R (Ruben)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Bester, J (Jean Jacques)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms