Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Zyl, J (Jeandre)

Chess SA id

1040099878

FIDE id

Date of birth

2004-07-27 (Adult)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-09-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1259.4	1269.1	1200	1200
Raw rating	1259.4	1269.1	1200	1200
Weighted rating	1259.4	1269.1	1200	1200
Weighted performance	649.9	644.8	0	0
Floor	759.4	769.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	152.4	150.3	165.8	165.8
Highest rating	1259.4 2024-02-01	1269.1 2024-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1259.4 2024-02-01	1269.1 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1259.4 2024-09-01	1269.1 2024-09-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1259.4	1269.1	1200	1200
Analysis
Rating	1259.4	1269.1	1200	1200
Raw rating	1259.4	1269.1	1200	1200
Weighted rating	1259.4	1269.1	1200
Weighted performance	649.9	644.8	0
K-factor	36	36	36	36
Floor	759.4	769.1	700	700
Max/Min rating change allowed	152.4	150.3	165.8	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	1259.4	1269.1	1200	1200
New weighted rating	1259.4	1269.1	1200	1200
New weighted performance	649.4	644.3	0	0
Temp new rating	1259.4	1269.1	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1259.4	1269.1	1200	1200
New K-factor	36	36	36	36
New floor	759.4	769.1	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	9	9
	0	0
History	33	33

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	33	20	60.61	90.2	1101.9	1192.1
Standard	33	20	60.61	90.2	1101.9	1192.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1259.4	1269.1	1200	1200
2025-09-01	1259.4	1269.1	1200	1200
2025-08-01	1259.4	1269.1	1200	1200
2025-07-01	1259.4	1269.1	1200	1200
2025-06-01	1259.4	1269.1	1200	1200
2025-05-01	1259.4	1269.1	1200	1200
2025-04-01	1259.4	1269.1	1200	1200
2025-03-01	1259.4	1269.1	1200	1200
2025-02-01	1259.4	1269.1	1200	1200
2025-01-01	1259.4	1269.1	1200	1200
2024-12-01	1259.4	1269.1	1200	1200
2024-11-01	1259.4	1269.1	1200	1200
2024-10-01	1259.4	1269.1	1200	1200
2024-09-01	1259.4	1269.1	1200	1200
2024-08-01	1259.4	1269.1	1200	1200
2024-07-01	1259.4	1269.1	1200	1200
2024-06-01	1259.4	1269.1	1200	1200
2024-08-01	1259.4	1269.1	1200	1200
2024-04-01	1259.4	1269.1	1200	1200
2024-03-01	1259.4	1269.1	1200	1200
2024-02-01	1259.4	1269.1	1200	1200
2024-01-01	1259.4	1269.1	1200	1200
2023-12-01	1259.4	1269.1	1200	1200
2023-11-01	1259.4	1269.1	1200	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	Western Cape Top Schools 2022 (U18 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	4.5	Yes	Analysis
2	Overberg Topskole 2022 (O18)	2022-08-30	2022-08-30	Standard	Overberg (WOS)	5	4	4	Yes	Analysis
3	Western Cape Schools Individuals 2019 (U15 Boys)	2019-05-04	2019-05-05	Standard	Eden (WEG)	6	6	2	Yes	Analysis
4	Overberg School Chess Close Champs 2019 (U15 Boys)	2019-03-08	2019-03-09	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
5	Western Cape Schools Individuals 2018 (U15 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	1.5	Yes	Analysis
6	Overberg Schools Closed 2018 (U15 Boys)	2018-03-23	2018-03-23	Standard	Overberg (WOS)	6	6	4	Yes	Analysis

#	Games	Start				End
1	9	Tournament Overberg Topskole 2022				Tournament Western Cape Top Schools 2022
		date 2022-08-30	rnd 2	type Standard	result 1	date 2022-09-17	rnd 5	type Standard	result 1
		Opponent Kotze, H (Hendre)				Opponent Wang, M (Mike)
2	3	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg School Chess Close Champs 2019
		date 2019-03-08	rnd 3	type Standard	result 1	date 2019-03-08	rnd 5	type Standard	result 1
		Opponent Carolus, E (Ethan)				Opponent Daki, A (Ayabonga)
3	3	Tournament Western Cape Schools Individuals 2018				Tournament Overberg School Chess Close Champs 2019
		date 2018-05-20	rnd 5	type Standard	result 1	date 2019-03-08	rnd 1	type Standard	result 1
		Opponent Van Wyk, L (Layron)				Opponent Hoogbaard, D (Dillon)

#	Games	Start				End
1	9	Tournament Overberg Topskole 2022				Tournament Western Cape Top Schools 2022
		date 2022-08-30	rnd 2	type Standard	result 1	date 2022-09-17	rnd 5	type Standard	result 1
		Opponent Kotze, H (Hendre)				Opponent Wang, M (Mike)
2	3	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg School Chess Close Champs 2019
		date 2019-03-08	rnd 3	type Standard	result 1	date 2019-03-08	rnd 5	type Standard	result 1
		Opponent Carolus, E (Ethan)				Opponent Daki, A (Ayabonga)
3	3	Tournament Western Cape Schools Individuals 2018				Tournament Overberg School Chess Close Champs 2019
		date 2018-05-20	rnd 5	type Standard	result 1	date 2019-03-08	rnd 1	type Standard	result 1
		Opponent Van Wyk, L (Layron)				Opponent Hoogbaard, D (Dillon)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Overberg Topskole 2022				Tournament Western Cape Top Schools 2022
		date 2022-08-30	rnd 2	type Standard	result 1	date 2022-09-17	rnd 2	type Standard	result 1
		Opponent Kotze, H (Hendre)				Opponent Addinall, E (Ewald)
2	3	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg School Chess Close Champs 2019
		date 2019-03-08	rnd 3	type Standard	result 1	date 2019-03-08	rnd 5	type Standard	result 1
		Opponent Carolus, E (Ethan)				Opponent Daki, A (Ayabonga)
3	2	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-17	rnd 4	type Standard	result 1	date 2022-09-17	rnd 5	type Standard	result 1
		Opponent Karelse, J (Jaywin)				Opponent Wang, M (Mike)

#	Games	Start				End
1	6	Tournament Overberg Topskole 2022				Tournament Western Cape Top Schools 2022
		date 2022-08-30	rnd 2	type Standard	result 1	date 2022-09-17	rnd 2	type Standard	result 1
		Opponent Kotze, H (Hendre)				Opponent Addinall, E (Ewald)
2	3	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg School Chess Close Champs 2019
		date 2019-03-08	rnd 3	type Standard	result 1	date 2019-03-08	rnd 5	type Standard	result 1
		Opponent Carolus, E (Ethan)				Opponent Daki, A (Ayabonga)
3	2	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-17	rnd 4	type Standard	result 1	date 2022-09-17	rnd 5	type Standard	result 1
		Opponent Karelse, J (Jaywin)				Opponent Wang, M (Mike)

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	Mostert ,J (Jan-Abraham)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Mostert ,J (Jan-Abraham)	2	1225.6	800.6	2	1225.3	800.6	0	0	0	0	0	0
2	Jansen ,AI (Alfonso Isaac)	2	1	0	2	1	0	0	0	0	0	0	0
2	Jansen ,AI (Alfonso Isaac)	2	1237.2	1237.2	2	1220.8	1237.2	0	0	0	0	0	0
3	Joseph ,C (Christopher)	1	1	425	1	1	425	0	0	0	0	0	0
3	Joseph ,C (Christopher)	1	1164.3	1589.3	1	1182	1589.3	0	0	0	0	0	0
4	Kotze ,H (Hendre)	1	1	425	1	1	425	0	0	0	0	0	0
4	Kotze ,H (Hendre)	1	1165.8	1590.8	1	1200	1590.8	0	0	0	0	0	0
5	Daki ,A (Ayabonga)	1	1	425	1	1	425	0	0	0	0	0	0
5	Daki ,A (Ayabonga)	1	1204.3	1629.3	1	1200	1629.3	0	0	0	0	0	0
6	Africa ,L (Lindsay)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Africa ,L (Lindsay)	1	1308.7	883.7	1	1252.4	883.7	0	0	0	0	0	0
7	Jacobs ,G (Gamiel)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Jacobs ,G (Gamiel)	1	810.6	810.6	1	833.2	810.6	0	0	0	0	0	0
8	Simu ,M (Mlukeki)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Simu ,M (Mlukeki)	1	1149.5	724.5	1	1139.2	724.5	0	0	0	0	0	0
9	Summers ,C (Caleb)	1	1	425	1	1	425	0	0	0	0	0	0
9	Summers ,C (Caleb)	1	506	931	1	506	931	0	0	0	0	0	0
10	Lombaard ,J (Jowayne)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Lombaard ,J (Jowayne)	1	1012.6	587.6	1	1031	587.6	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

Van Zyl, J (Jeandre)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms