Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Villiers, J (Jean)

Chess SA id

108065201

FIDE id

Date of birth

2008-04-20 (U18)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	620.2	638.4	500	500
Raw rating	620.2	638.4	500	500
Weighted rating	620.2	638.4	500	500
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	378.8	369.1	449.5	449.5
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	626.5 2018-09-01	652.8 2018-09-01	500 2024-02-01	500 2024-02-01
Highest weighted rating	626.5 2024-11-01	652.8 2024-11-01	500 2024-11-01	500 2024-11-01
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	620.2	638.4	500	500
Analysis
Rating	620.2	638.4	500	500
Raw rating	620.2	638.4	500	500
Weighted rating	620.2	638.4	500
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	378.8	369.1	449.5	449.5
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	620.2	638.4	500	500
New weighted rating	620.2	638.4	500	500
New weighted performance	0	0	0	0
Temp new rating	620.2	638.4	500	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	620.2	638.4	500	500
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard
	0	0
	3	3
	0	0
	0	0
	0	0
	0	0
History	37	37

Games since
	Main 3	Standard 3		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Sedibeng (GSV)
Province	Gauteng (GT)
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	3	0	0	-425	1344.9	919.9
Standard	3	0	0	-425	1344.9	919.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	23	5.5	23.91	-221.7	1029.7	807.9
Standard	23	5.5	23.91	-221.7	1029.7	807.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	620.2	638.4	500	500
2025-09-01	620.2	638.4	500	500
2025-08-01	620.2	638.4	500	500
2025-07-01	620.2	638.4	500	500
2025-06-01	620.2	638.4	500	500
2025-05-01	620.2	638.4	500	500
2025-04-01	620.2	638.4	500	500
2025-03-01	620.2	638.4	500	500
2025-02-01	620.2	638.4	500	500
2025-01-01	620.2	638.4	500	500
2024-12-01	620.2	638.4	500	500
2024-11-01	620.2	638.4	500	500
2024-10-01	620.2	638.4	500	500
2024-09-01	620.2	638.4	500	500
2024-08-01	620.2	638.4	500	500
2024-07-01	620.2	638.4	500	500
2024-06-01	620.2	638.4	500	500
2024-08-01	620.2	638.4	500	500
2024-04-01	620.2	638.4	500	500
2024-03-01	620.2	638.4	500	500
2024-02-01	620.2	638.4	500	500
2024-01-01	620.2	638.4	500	500
2023-12-01	620.2	638.4	500	500
2023-11-01	620.2	638.4	500	500

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Laer Volkskool Open 15 Feb 2025 (A+B)	2025-02-15	2025-02-15	Standard	Sedibeng (GSV)	5	3	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Laer Volkskool Open 15 Feb 2025 (A+B)	2025-02-15	2025-02-15	Standard	Sedibeng (GSV)	5	3	0	Yes	Analysis
2	AG Visser Skaak Ope 2019 (E)	2019-02-23	2019-02-23	Standard	Sedibeng (GSV)	5	5	0.5	Yes	Analysis
3	Heidelberg Klub Round Robin 2018 (Team 7)	2018-08-18	2018-08-18	Standard	Sedibeng (GSV)	7	6	4	Yes	Analysis
4	Heidelberg Skaak Klub 2018 (Team 15)	2018-05-05	2018-05-05	Standard	Sedibeng (GSV)	5	5	0	Yes	Analysis
5	Henley Open 2018 (D)	2018-03-10	2018-03-10	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament Heidelberg Klub Round Robin 2018				Tournament Heidelberg Klub Round Robin 2018
		date 2018-08-18	rnd 5	type Standard	result 1	date 2018-08-18	rnd 7	type Standard	result 1
		Opponent Coetzee, J (Jaco)				Opponent Rajagpaul, C (Cole)
2	1	Tournament AG Visser Skaak Ope 2019				Tournament AG Visser Skaak Ope 2019
		date 2019-02-23	rnd 5	type Standard	result 0.5	date 2019-02-23	rnd 5	type Standard	result 0.5
		Opponent Van Biljon, S (Simone)				Opponent Van Biljon, S (Simone)
3	1	Tournament Heidelberg Klub Round Robin 2018				Tournament Heidelberg Klub Round Robin 2018
		date 2018-08-18	rnd 1	type Standard	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent De Villiers, AE (Anke)				Opponent De Villiers, AE (Anke)

#	Games	Start				End
1	3	Tournament Heidelberg Klub Round Robin 2018				Tournament Heidelberg Klub Round Robin 2018
		date 2018-08-18	rnd 5	type Standard	result 1	date 2018-08-18	rnd 7	type Standard	result 1
		Opponent Coetzee, J (Jaco)				Opponent Rajagpaul, C (Cole)
2	1	Tournament AG Visser Skaak Ope 2019				Tournament AG Visser Skaak Ope 2019
		date 2019-02-23	rnd 5	type Standard	result 0.5	date 2019-02-23	rnd 5	type Standard	result 0.5
		Opponent Van Biljon, S (Simone)				Opponent Van Biljon, S (Simone)
3	1	Tournament Heidelberg Klub Round Robin 2018				Tournament Heidelberg Klub Round Robin 2018
		date 2018-08-18	rnd 1	type Standard	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent De Villiers, AE (Anke)				Opponent De Villiers, AE (Anke)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Heidelberg Klub Round Robin 2018				Tournament Heidelberg Klub Round Robin 2018
		date 2018-08-18	rnd 5	type Standard	result 1	date 2018-08-18	rnd 7	type Standard	result 1
		Opponent Coetzee, J (Jaco)				Opponent Rajagpaul, C (Cole)
2	1	Tournament Heidelberg Klub Round Robin 2018				Tournament Heidelberg Klub Round Robin 2018
		date 2018-08-18	rnd 1	type Standard	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent De Villiers, AE (Anke)				Opponent De Villiers, AE (Anke)
3	1	Tournament Henley Open 2018				Tournament Henley Open 2018
		date 2018-03-10	rnd 2	type Standard	result 1	date 2018-03-10	rnd 2	type Standard	result 1
		Opponent Gouws, D (Dniell)				Opponent Gouws, D (Dniell)

#	Games	Start				End
1	3	Tournament Heidelberg Klub Round Robin 2018				Tournament Heidelberg Klub Round Robin 2018
		date 2018-08-18	rnd 5	type Standard	result 1	date 2018-08-18	rnd 7	type Standard	result 1
		Opponent Coetzee, J (Jaco)				Opponent Rajagpaul, C (Cole)
2	1	Tournament Heidelberg Klub Round Robin 2018				Tournament Heidelberg Klub Round Robin 2018
		date 2018-08-18	rnd 1	type Standard	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent De Villiers, AE (Anke)				Opponent De Villiers, AE (Anke)
3	1	Tournament Henley Open 2018				Tournament Henley Open 2018
		date 2018-03-10	rnd 2	type Standard	result 1	date 2018-03-10	rnd 2	type Standard	result 1
		Opponent Gouws, D (Dniell)				Opponent Gouws, D (Dniell)

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	Bannerman ,K (Kellam)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Bannerman ,K (Kellam)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Du Plessis ,D (Domimique)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Du Plessis ,D (Domimique)	1	1038.6	613.6	1	1034.2	613.6	0	0	0	0	0	0
3	Coetzer ,Z (Zinique)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Coetzer ,Z (Zinique)	1	1166.8	741.8	1	1160	741.8	0	0	0	0	0	0
4	Swanepoel ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Swanepoel ,C (Christiaan)	1	789.7	364.7	1	808.6	364.7	0	0	0	0	0	0
5	Muller ,L (Luan Barney)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Muller ,L (Luan Barney)	1	1300	875	1	1300	875	0	0	0	0	0	0
6	Coetzee ,J (Jaco)	1	1	425	1	1	425	0	0	0	0	0	0
6	Coetzee ,J (Jaco)	1	821.4	1246.4	1	833.5	1246.4	0	0	0	0	0	0
7	Jorge ,L (Lucius)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Jorge ,L (Lucius)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Rautenbach ,N (Nico)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Rautenbach ,N (Nico)	1	1254.3	829.3	1	1245.7	829.3	0	0	0	0	0	0
9	Myburgh ,M (Matthew)	1	1	425	1	1	425	0	0	0	0	0	0
9	Myburgh ,M (Matthew)	1	917.2	1342.2	1	883.2	1342.2	0	0	0	0	0	0
10	Hanekom ,J (Jayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Hanekom ,J (Jayden)	1	895.1	470.1	1	875.9	470.1	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

De Villiers, J (Jean)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms