Chess South Africa Ratings Database

PLAYER PAGE

Personal

Viljoen, W (Wian)

Chess SA id

1160190775

FIDE id

Date of birth

2016-06-20 (U10)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-03-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1199.2	1200	1196.7	1200
Raw rating	1199.2	1200	1196.7	1200
Weighted rating	1199.1	1200	1196.5	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	166	165.8	166.6	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 2024-02-01	1200 2019-12-01	1200 2024-02-01
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 2024-02-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1199.2	1200	1196.7	1200
Analysis
Rating	1199.2	1200	1196.7	1200
Raw rating	1199.2	1200	1196.7	1200
Weighted rating	1199.1	1200	1196.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	166	165.8	166.6	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	1199.2	1200	1196.7	1200
New weighted rating	1199.1	1200	1196.6	1200
New weighted performance	0	0	0	0
Temp new rating	1199.2	1200	1196.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1199.2	1200	1196.7	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	0	0
	5	5
	5	5
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 0		Rapid 10		Blitz 0
Gender	Male
Age group	U10
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	10	5	50	0	1193.4	1193.4
Standard	0	0	0	0	0	0
Rapid	10	5	50	0	1193.4	1193.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1199.2	1200	1196.7	1200
2025-09-01	1199.2	1200	1196.7	1200
2025-08-01	1199.2	1200	1196.7	1200
2025-07-01	1199.2	1200	1196.7	1200
2025-06-01	1199.2	1200	1196.7	1200
2025-05-01	1199.2	1200	1196.7	1200
2025-04-01	1199.2	1200	1196.7	1200
2025-03-01	1199.2	1200	1196.7	1200
2025-02-01	1199.2	1200	1196.7	1200
2025-01-01	1199.2	1200	1196.4	1200
2024-12-01	1199.2	1200	1196.4	1200
2024-11-01	1199.2	1200	1196.4	1200
2024-10-01	1199.2	1200	1196.4	1200
2024-09-01	1199.2	1200	1196.4	1200
2024-08-01	1199.2	1200	1196.4	1200
2024-07-01	1199.2	1200	1196.4	1200
2024-06-01	1199.2	1200	1196.4	1200
2024-08-01	1199.2	1200	1196.4	1200
2024-04-01	1199.2	1200	1196.4	1200
2024-03-01	1197.3	1200	1196	1200
2024-02-01	1197.3	1200	1196	1200
2024-01-01	1197.3	1200	1196	1200
2023-12-01	1197.3	1200	1196	1200
2023-11-01	1197.3	1200	1196	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	Overberg Schools - PS Trials Region 3 2024 (U9 Boys)	2024-03-02	2024-03-02	Rapid	Overberg (WOS)	5	5	2.5	Yes	Analysis
2	Kingsway Open 2023 (Beginners)	2023-10-28	2023-10-28	Rapid	Overberg (WOS)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Kingsway Open 2023				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2023-10-28	rnd 5	type Rapid	result 0.5	date 2024-03-02	rnd 1	type Rapid	result 1
		Opponent Sargeant, R (Rome)				Opponent Oosthuizen, D (Daniel)
2	1	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2024-03-02	rnd 5	type Rapid	result 1	date 2024-03-02	rnd 5	type Rapid	result 1
		Opponent Van Heerden, J (Jacob)				Opponent Van Heerden, J (Jacob)
3	1	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2024-03-02	rnd 3	type Rapid	result 0.5	date 2024-03-02	rnd 3	type Rapid	result 0.5
		Opponent Zvinongoza, K (Kai)				Opponent Zvinongoza, K (Kai)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Kingsway Open 2023				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2023-10-28	rnd 5	type Rapid	result 0.5	date 2024-03-02	rnd 1	type Rapid	result 1
		Opponent Sargeant, R (Rome)				Opponent Oosthuizen, D (Daniel)
2	1	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2024-03-02	rnd 5	type Rapid	result 1	date 2024-03-02	rnd 5	type Rapid	result 1
		Opponent Van Heerden, J (Jacob)				Opponent Van Heerden, J (Jacob)
3	1	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2024-03-02	rnd 3	type Rapid	result 0.5	date 2024-03-02	rnd 3	type Rapid	result 0.5
		Opponent Zvinongoza, K (Kai)				Opponent Zvinongoza, K (Kai)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2024-03-02	rnd 5	type Rapid	result 1	date 2024-03-02	rnd 5	type Rapid	result 1
		Opponent Van Heerden, J (Jacob)				Opponent Van Heerden, J (Jacob)
2	1	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2024-03-02	rnd 1	type Rapid	result 1	date 2024-03-02	rnd 1	type Rapid	result 1
		Opponent Oosthuizen, D (Daniel)				Opponent Oosthuizen, D (Daniel)
3	1	Tournament Kingsway Open 2023				Tournament Kingsway Open 2023
		date 2023-10-28	rnd 3	type Rapid	result 1	date 2023-10-28	rnd 3	type Rapid	result 1
		Opponent Mienie, M (Minki)				Opponent Mienie, M (Minki)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2024-03-02	rnd 5	type Rapid	result 1	date 2024-03-02	rnd 5	type Rapid	result 1
		Opponent Van Heerden, J (Jacob)				Opponent Van Heerden, J (Jacob)
2	1	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2024-03-02	rnd 1	type Rapid	result 1	date 2024-03-02	rnd 1	type Rapid	result 1
		Opponent Oosthuizen, D (Daniel)				Opponent Oosthuizen, D (Daniel)
3	1	Tournament Kingsway Open 2023				Tournament Kingsway Open 2023
		date 2023-10-28	rnd 3	type Rapid	result 1	date 2023-10-28	rnd 3	type Rapid	result 1
		Opponent Mienie, M (Minki)				Opponent Mienie, M (Minki)

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	Ponoane ,B (Bohlale)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Ponoane ,B (Bohlale)	1	1200	775	0	0	0	1	1200	775	0	0	0
2	Booysen ,J (Joseph)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Booysen ,J (Joseph)	1	1200	775	0	0	0	1	1200	775	0	0	0
3	Zvinongoza ,K (Kai)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
3	Zvinongoza ,K (Kai)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
4	Sargeant ,R (Rome)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
4	Sargeant ,R (Rome)	1	1211.5	1211.5	0	0	0	1	1203.6	1211.5	0	0	0
5	Rock ,M (Mieke)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Rock ,M (Mieke)	1	1151.6	726.6	0	0	0	1	1200	726.6	0	0	0
6	Geldenhuys ,L (Liam)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Geldenhuys ,L (Liam)	1	1293	868	0	0	0	1	1270.8	868	0	0	0
7	Mienie ,M (Minki)	1	1	425	0	0	0	1	1	425	0	0	0
7	Mienie ,M (Minki)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Van Heerden ,J (Jacob)	1	1	425	0	0	0	1	1	425	0	0	0
8	Van Heerden ,J (Jacob)	1	1142.8	1567.8	0	0	0	1	1077.2	1567.8	0	0	0
9	Oosthuizen ,D (Daniel)	1	1	425	0	0	0	1	1	425	0	0	0
9	Oosthuizen ,D (Daniel)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Roeloffze ,J (James)	1	1	425	0	0	0	1	1	425	0	0	0
10	Roeloffze ,J (James)	1	1135.2	1560.2	0	0	0	1	1136.8	1560.2	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

Viljoen, W (Wian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms