Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Zyl, J (Juan)

Chess SA id

101041058

FIDE id

Date of birth

2001-04-12 (Adult)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-02-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	850.1	839.8	861	839.8
Raw rating	850.1	839.8	861	839.8
Weighted rating	850.1	839.8	861	839.8
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	273	277	268.8	277
Highest rating	1200 2018-02-01	1200 2024-03-01	1200 2018-02-01	1200 2024-03-01
Highest raw rating	850.1 2024-03-01	839.8 2024-03-01	861 2024-03-01	839.8 2024-03-01
Highest weighted rating	850.1 2024-11-01	839.8 2024-11-01	861 2024-11-01	839.8 2024-11-01
Highest weighted performance	1200 2018-02-01	1200 2024-03-01	1200 2018-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	850.1	839.8	861	839.8
Analysis
Rating	850.1	839.8	861	839.8
Raw rating	850.1	839.8	861	839.8
Weighted rating	850.1	839.8	861
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	273	277	268.8	277
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	850.1	839.8	861	839.8
New weighted rating	850.1	839.8	861	839.8
New weighted performance	0	0	0	0
Temp new rating	850.1	839.8	861	839.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	850.1	839.8	861	839.8
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Rapid
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	18	18

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Winelands (WCW)
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	5	1	20	-255	1178.4	923.4
Standard	0	0	0	0	0	0
Rapid	5	1	20	-255	1178.4	923.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	850.1	839.8	861	839.8
2025-09-01	850.1	839.8	861	839.8
2025-08-01	850.1	839.8	861	839.8
2025-07-01	850.1	839.8	861	839.8
2025-06-01	850.1	839.8	861	839.8
2025-05-01	850.1	839.8	861	839.8
2025-04-01	850.1	839.8	861	839.8
2025-03-01	850.1	839.8	861	839.8
2025-02-01	850.1	839.8	861	839.8
2025-01-01	850.1	839.8	861	839.8
2024-12-01	850.1	839.8	861	839.8
2024-11-01	850.1	839.8	861	839.8
2024-10-01	850.1	839.8	861	839.8
2024-09-01	850.1	839.8	861	839.8
2024-08-01	850.1	839.8	861	839.8
2024-07-01	850.1	839.8	861	839.8
2024-06-01	850.1	839.8	861	839.8
2024-08-01	850.1	839.8	861	839.8
2024-04-01	850.1	839.8	861	839.8
2024-03-01	850.1	839.8	861	839.8
2024-02-01	850.1	839.8	861	839.8
2024-01-01	850.1	839.8	861	839.8
2023-12-01	850.1	839.8	861	839.8
2023-11-01	850.1	839.8	861	839.8

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	CW Schools Open 2019 (U18+U20 Boys)	2019-02-02	2019-02-02	Rapid	Cape Winelands (WCW)	6	5	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 2	type Rapid	result 1	date 2019-02-02	rnd 2	type Rapid	result 1
		Opponent Morris, D (Devon)				Opponent Morris, D (Devon)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 2	type Rapid	result 1	date 2019-02-02	rnd 2	type Rapid	result 1
		Opponent Morris, D (Devon)				Opponent Morris, D (Devon)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 2	type Rapid	result 1	date 2019-02-02	rnd 2	type Rapid	result 1
		Opponent Morris, D (Devon)				Opponent Morris, D (Devon)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 2	type Rapid	result 1	date 2019-02-02	rnd 2	type Rapid	result 1
		Opponent Morris, D (Devon)				Opponent Morris, D (Devon)

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	Lucas ,N (Nayben)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Lucas ,N (Nayben)	1	1200	775	0	0	0	1	1200	775	0	0	0
2	Hermanus ,T (Tyrique)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Hermanus ,T (Tyrique)	1	1200	775	0	0	0	1	1200	775	0	0	0
3	Vena ,L (Luvo)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Vena ,L (Luvo)	1	1122.6	697.6	0	0	0	1	1175.6	697.6	0	0	0
4	Morris ,D (Devon)	1	1	425	0	0	0	1	1	425	0	0	0
4	Morris ,D (Devon)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
5	Fabricius ,H (Hanro)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Fabricius ,H (Hanro)	1	1169.6	744.6	0	0	0	1	1202.8	744.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Van Zyl, J (Juan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms