Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Villiers, W (Wilhelm)

Chess SA id

111094923

FIDE id

Date of birth

2011-03-12 (U16)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-12-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1097.2	1091.8	1146.8	1200
Raw rating	1097.2	1091.8	1146.8	1200
Weighted rating	1097.2	1091.8	1146.8	1200
Weighted performance	137.4	136.5	0	0
Floor	766.4	780	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	192	193.5	178.9	165.8
Highest rating	1528.6 2018-03-01	1528.6 2018-03-01	1200 2018-02-01	1200 2018-10-01
Highest raw rating	1266.4 2018-04-01	1280 2018-04-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1266.4 2018-05-01	1280 2018-05-01	1200 2018-02-01	1200 2018-10-01
Highest weighted performance	1528.6 2018-03-01	1528.6 2018-03-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1097.2	1091.8	1146.8	1200
Analysis
Rating	1097.2	1091.8	1146.8	1200
Raw rating	1097.2	1091.8	1146.8	1200
Weighted rating	1097.2	1091.8	1146.8
Weighted performance	137.4	136.5	0
K-factor	36	36	36	36
Floor	766.4	780	700	700
Max/Min rating change allowed	192	193.5	178.9	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	1097.2	1091.8	1146.8	1200
New weighted rating	1097.2	1091.8	1146.8	1200
New weighted performance	131.1	130.3	0	0
Temp new rating	1097.2	1091.8	1146.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1097.2	1091.8	1146.8	1200
New K-factor	36	36	36	36
New floor	766.4	780	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	68	62	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Overberg (WOS)
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	54	28	51.85	15.7	1131	1146.8
Standard	48	25	52.08	17.7	1135.8	1153.5
Rapid	6	3	50	0	1093	1093
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1097.2	1091.8	1146.8	1200
2025-09-30	1097.2	1091.8	1146.8	1200
2025-09-01	1097.2	1091.8	1146.8	1200
2025-08-01	1097.2	1091.8	1146.8	1200
2025-07-01	1097.2	1091.8	1146.8	1200
2025-06-01	1097.2	1091.8	1146.8	1200
2025-05-01	1097.2	1091.8	1146.8	1200
2025-04-01	1097.2	1091.8	1146.8	1200
2025-03-01	1097.2	1091.8	1146.8	1200
2025-02-01	1097.2	1091.8	1146.8	1200
2025-01-01	1097.2	1091.8	1146.8	1200
2024-12-01	1097.2	1091.8	1146.8	1200
2024-11-01	1097.2	1091.8	1146.8	1200
2024-10-01	1097.2	1091.8	1146.8	1200
2024-09-01	1097.2	1091.8	1146.8	1200
2024-08-01	1097.2	1091.8	1146.8	1200
2024-07-01	1097.2	1091.8	1146.8	1200
2024-09-01	1097.2	1091.8	1146.8	1200
2024-05-01	1097.2	1091.8	1146.8	1200
2024-04-01	1097.2	1091.8	1146.8	1200
2024-03-01	1097.2	1091.8	1146.8	1200
2024-02-01	1097.2	1091.8	1146.8	1200
2024-01-01	1097.2	1091.8	1146.8	1200
2023-12-01	1097.2	1091.8	1146.8	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	2018 Wild Card Chess Championships (U8)	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	6	2	Yes	Analysis
2	South African Junior Team Championships 2018 (U8A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
3	Spring Open 2018 (U8+U10)	2018-09-01	2018-09-01	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
4	Caledon Open 2018 (U8+U10)	2018-09-29	2018-09-29	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
5	Western Cape Top Schools 2018 (U7+U9 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
6	VRT Pitt Open 2018 (U10)	2018-06-02	2018-06-02	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
7	Overberg 3rd Trial 2018 (U10)	2018-05-26	2018-05-26	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
8	Western Cape Schools Individuals 2018 (U7 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	3	Yes	Analysis
9	Overberg Chess 1st Trial 2018 (B)	2018-04-14	2018-04-14	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
10	Overberg Schools Closed 2018 (U7)	2018-03-23	2018-03-23	Standard	Overberg (WOS)	5	5	5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 1	type Standard	result 1	date 2018-03-23	rnd 5	type Standard	result 1
		Opponent Carelsen, CS (Colin Steyn)				Opponent August, J (Jamie)
2	4	Tournament Caledon Open 2018				Tournament South African Junior Team Championships 2018
		date 2018-09-29	rnd 4	type Standard	result 1	date 2018-12-16	rnd 2	type Standard	result 1
		Opponent Van Wyk, J (Johalise)				Opponent Kivido, A (Alex)
3	3	Tournament VRT Pitt Open 2018				Tournament VRT Pitt Open 2018
		date 2018-06-02	rnd 2	type Rapid	result 1	date 2018-06-02	rnd 4	type Rapid	result 1
		Opponent Linde, M (Morgan)				Opponent Botha, E (Emily)

#	Games	Start				End
1	5	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 1	type Standard	result 1	date 2018-03-23	rnd 5	type Standard	result 1
		Opponent Carelsen, CS (Colin Steyn)				Opponent August, J (Jamie)
2	4	Tournament Caledon Open 2018				Tournament South African Junior Team Championships 2018
		date 2018-09-29	rnd 4	type Standard	result 1	date 2018-12-16	rnd 2	type Standard	result 1
		Opponent Van Wyk, J (Johalise)				Opponent Kivido, A (Alex)
3	4	Tournament Overberg 3rd Trial 2018				Tournament Western Cape Top Schools 2018
		date 2018-05-26	rnd 4	type Standard	result 1	date 2018-08-25	rnd 2	type Standard	result 1
		Opponent Oliver, J (Joagen)				Opponent Zibi, A (Ayabonga)

#	Games	Start				End
1	3	Tournament VRT Pitt Open 2018				Tournament VRT Pitt Open 2018
		date 2018-06-02	rnd 2	type Rapid	result 1	date 2018-06-02	rnd 4	type Rapid	result 1
		Opponent Linde, M (Morgan)				Opponent Botha, E (Emily)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 1	type Standard	result 1	date 2018-03-23	rnd 5	type Standard	result 1
		Opponent Carelsen, CS (Colin Steyn)				Opponent August, J (Jamie)
2	4	Tournament Caledon Open 2018				Tournament South African Junior Team Championships 2018
		date 2018-09-29	rnd 4	type Standard	result 1	date 2018-12-16	rnd 2	type Standard	result 1
		Opponent Van Wyk, J (Johalise)				Opponent Kivido, A (Alex)
3	3	Tournament VRT Pitt Open 2018				Tournament VRT Pitt Open 2018
		date 2018-06-02	rnd 2	type Rapid	result 1	date 2018-06-02	rnd 4	type Rapid	result 1
		Opponent Linde, M (Morgan)				Opponent Botha, E (Emily)

#	Games	Start				End
1	5	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 1	type Standard	result 1	date 2018-03-23	rnd 5	type Standard	result 1
		Opponent Carelsen, CS (Colin Steyn)				Opponent August, J (Jamie)
2	4	Tournament Caledon Open 2018				Tournament South African Junior Team Championships 2018
		date 2018-09-29	rnd 4	type Standard	result 1	date 2018-12-16	rnd 2	type Standard	result 1
		Opponent Van Wyk, J (Johalise)				Opponent Kivido, A (Alex)
3	4	Tournament Overberg 3rd Trial 2018				Tournament Western Cape Top Schools 2018
		date 2018-05-26	rnd 4	type Standard	result 1	date 2018-08-25	rnd 2	type Standard	result 1
		Opponent Oliver, J (Joagen)				Opponent Zibi, A (Ayabonga)

#	Games	Start				End
1	3	Tournament VRT Pitt Open 2018				Tournament VRT Pitt Open 2018
		date 2018-06-02	rnd 2	type Rapid	result 1	date 2018-06-02	rnd 4	type Rapid	result 1
		Opponent Linde, M (Morgan)				Opponent Botha, E (Emily)

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	Olivier ,J (Joagen)	2	1	0	2	1	0	0	0	0	0	0	0
1	Olivier ,J (Joagen)	2	629.2	629.2	2	642	629.2	0	0	0	0	0	0
2	Booysen ,C (Chadlin)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Booysen ,C (Chadlin)	2	1043	618	2	1058.9	618	0	0	0	0	0	0
3	Oosthuizen ,A (Anke)	2	1	0	2	1	0	0	0	0	0	0	0
3	Oosthuizen ,A (Anke)	2	1128.9	1128.9	2	1120.6	1128.9	0	0	0	0	0	0
4	Muller ,C (Christiaan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Muller ,C (Christiaan)	2	1111.9	686.9	1	1228.6	686.9	1	555.4	686.9	0	0	0
5	Mackenzie ,T (Tayden)	2	1	0	1	1	425	1	0	-425	0	0	0
5	Mackenzie ,T (Tayden)	2	1131.2	1131.2	1	1088	1556.2	1	1200	706.2	0	0	0
6	Rabinowitz ,A (Adam)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Rabinowitz ,A (Adam)	1	1141.3	716.3	1	1136	716.3	0	0	0	0	0	0
7	Ntontelo ,K (Khazimla)	1	1	425	1	1	425	0	0	0	0	0	0
7	Ntontelo ,K (Khazimla)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Arizon ,M (Matthew)	1	1	425	1	1	425	0	0	0	0	0	0
8	Arizon ,M (Matthew)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Van Der Merwe ,C (Cara)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Der Merwe ,C (Cara)	1	1012	1437	1	997	1437	0	0	0	0	0	0
10	Plaatjies ,M (Macaylane)	1	1	425	1	1	425	0	0	0	0	0	0
10	Plaatjies ,M (Macaylane)	1	1200	1625	1	1200	1625	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, W (Wilhelm)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms