Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Westhuizen, W (Wihan)

Chess SA id

110095332

FIDE id

Date of birth

2010-05-11 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-06-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1150.5	1159.4	1200	1200
Raw rating	1150.5	1159.4	1200	1200
Weighted rating	1150.5	1159.4	1200	1200
Weighted performance	514.8	514.2	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	177.9	175.7	165.8	165.8
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2024-11-01	1200 2024-11-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1150.5	1159.4	1200	1200
Analysis
Rating	1150.5	1159.4	1200	1200
Raw rating	1150.5	1159.4	1200	1200
Weighted rating	1150.5	1159.4	1200
Weighted performance	514.8	514.2	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	177.9	175.7	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	1150.5	1159.4	1200	1200
New weighted rating	1150.5	1159.4	1200	1200
New weighted performance	507.5	506.9	0	0
Temp new rating	1150.5	1159.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1150.5	1159.4	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	5	5
	5	5
History	87	87

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	83	41	49.4	-5.1	1008.4	1003.3
Standard	83	41	49.4	-5.1	1008.4	1003.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1150.5	1159.4	1200	1200
2025-09-30	1150.5	1159.4	1200	1200
2025-09-01	1150.5	1159.4	1200	1200
2025-08-01	1150.5	1159.4	1200	1200
2025-07-01	1150.5	1159.4	1200	1200
2025-06-01	1150.5	1159.4	1200	1200
2025-05-01	1150.5	1159.4	1200	1200
2025-04-01	1150.5	1159.4	1200	1200
2025-03-01	1150.5	1159.4	1200	1200
2025-02-01	1150.5	1159.4	1200	1200
2025-01-01	1150.5	1159.4	1200	1200
2024-12-01	1150.5	1159.4	1200	1200
2024-11-01	1150.5	1159.4	1200	1200
2024-10-01	1150.5	1159.4	1200	1200
2024-09-01	1150.5	1159.4	1200	1200
2024-08-01	1150.5	1159.4	1200	1200
2024-07-01	1150.5	1159.4	1200	1200
2024-09-01	1150.5	1159.4	1200	1200
2024-05-01	1150.5	1159.4	1200	1200
2024-04-01	1150.5	1159.4	1200	1200
2024-03-01	1150.5	1159.4	1200	1200
2024-02-01	1150.5	1159.4	1200	1200
2024-01-01	1150.5	1159.4	1200	1200
2023-12-01	1150.5	1159.4	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	2022 Gauteng Schools Individual Chess Championship (U13 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	2021 Gauteng Schools Chess Championships (U13 Boys)	2021-10-16	2021-10-16	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	Chessnuts Under 1200 Rated Tournament 2019 (Knights)	2019-07-13	2019-07-13	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
4	Chessnuts Under 1200 6 April 2019 (Knights)	2019-04-06	2019-04-06	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	South African Junior Team Championships 2018 (U10C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	4	Yes	Analysis
6	Inter Region GE vs JHB Metro 2018 (U12 Swiss)	2018-10-06	2018-10-06	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
7	JNW Club - Muldersdrif Open 2018 (C)	2018-08-18	2018-08-18	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
8	Chessnuts - Under 1000 Ratings Tournament 2018 (B)	2018-07-21	2018-07-21	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
9	JHB Metro Junior Closed 2018 (U10)	2018-07-28	2018-07-29	Standard	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
10	JNW Club - Unika Scholar 2018 (U10)	2018-06-02	2018-06-02	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
11	British International Prep/Chessnuts 2018 (U10)	2018-06-23	2018-06-23	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
12	Chessnuts - Charterhouse Open 2018 (C)	2018-05-12	2018-05-12	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
13	Fonties Challenge 2018 (U9)	2018-04-21	2018-04-21	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
14	2018 Blou Bul Open (D)	2018-02-17	2018-02-17	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
15	Chessnuts - Kickoff Open 2018 (D)	2018-02-09	2018-02-10	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
16	South African Junior Team Championships 2017 (U8B+U8 Girls)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament South African Junior Team Championships 2018				Tournament Chessnuts Under 1200 6 April 2019
		date 2018-12-16	rnd 2	type Standard	result 0.5	date 2019-04-06	rnd 1	type Standard	result 1
		Opponent Sekhute, K (Khumo)				Opponent Khanyile, T (Thapelo)
2	3	Tournament Chessnuts - Under 1000 Ratings Tournament 2018				Tournament JHB Metro Junior Closed 2018
		date 2018-07-21	rnd 4	type Standard	result 1	date 2018-07-28	rnd 1	type Standard	result 1
		Opponent Viviers, C (Cara)				Opponent Roetz, K (Kyle)
3	3	Tournament British International Prep/Chessnuts 2018				Tournament Chessnuts - Under 1000 Ratings Tournament 2018
		date 2018-06-23	rnd 4	type Standard	result 1	date 2018-07-21	rnd 1	type Standard	result 1
		Opponent Maharaj, S (Samar)				Opponent Van Niekerk, M (Mikayla)

#	Games	Start				End
1	6	Tournament South African Junior Team Championships 2018				Tournament Chessnuts Under 1200 6 April 2019
		date 2018-12-16	rnd 2	type Standard	result 0.5	date 2019-04-06	rnd 1	type Standard	result 1
		Opponent Sekhute, K (Khumo)				Opponent Khanyile, T (Thapelo)
2	3	Tournament Chessnuts - Under 1000 Ratings Tournament 2018				Tournament JHB Metro Junior Closed 2018
		date 2018-07-21	rnd 4	type Standard	result 1	date 2018-07-28	rnd 1	type Standard	result 1
		Opponent Viviers, C (Cara)				Opponent Roetz, K (Kyle)
3	3	Tournament British International Prep/Chessnuts 2018				Tournament Chessnuts - Under 1000 Ratings Tournament 2018
		date 2018-06-23	rnd 4	type Standard	result 1	date 2018-07-21	rnd 1	type Standard	result 1
		Opponent Maharaj, S (Samar)				Opponent Van Niekerk, M (Mikayla)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Chessnuts - Under 1000 Ratings Tournament 2018				Tournament JHB Metro Junior Closed 2018
		date 2018-07-21	rnd 4	type Standard	result 1	date 2018-07-28	rnd 1	type Standard	result 1
		Opponent Viviers, C (Cara)				Opponent Roetz, K (Kyle)
2	3	Tournament British International Prep/Chessnuts 2018				Tournament Chessnuts - Under 1000 Ratings Tournament 2018
		date 2018-06-23	rnd 4	type Standard	result 1	date 2018-07-21	rnd 1	type Standard	result 1
		Opponent Maharaj, S (Samar)				Opponent Van Niekerk, M (Mikayla)
3	3	Tournament Fonties Challenge 2018				Tournament Fonties Challenge 2018
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-04-21	rnd 5	type Standard	result 1
		Opponent Van Der Spoel, E (Edgar)				Opponent Van Niekerk, N (Neels)

#	Games	Start				End
1	3	Tournament Chessnuts - Under 1000 Ratings Tournament 2018				Tournament JHB Metro Junior Closed 2018
		date 2018-07-21	rnd 4	type Standard	result 1	date 2018-07-28	rnd 1	type Standard	result 1
		Opponent Viviers, C (Cara)				Opponent Roetz, K (Kyle)
2	3	Tournament British International Prep/Chessnuts 2018				Tournament Chessnuts - Under 1000 Ratings Tournament 2018
		date 2018-06-23	rnd 4	type Standard	result 1	date 2018-07-21	rnd 1	type Standard	result 1
		Opponent Maharaj, S (Samar)				Opponent Van Niekerk, M (Mikayla)
3	3	Tournament Fonties Challenge 2018				Tournament Fonties Challenge 2018
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-04-21	rnd 5	type Standard	result 1
		Opponent Van Der Spoel, E (Edgar)				Opponent Van Niekerk, N (Neels)

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	Naidoo ,K (Kajol)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Naidoo ,K (Kajol)	3	735.5	593.8	3	766.2	593.8	0	0	0	0	0	0
2	Van Heerden ,F (Freddie)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Van Heerden ,F (Freddie)	3	990.4	848.7	3	986.1	848.7	0	0	0	0	0	0
3	Van Zyl ,B (Benjamin)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Van Zyl ,B (Benjamin)	2	956.5	531.5	2	967.1	531.5	0	0	0	0	0	0
4	Bennie ,J (Johannes)	1	1	425	1	1	425	0	0	0	0	0	0
4	Bennie ,J (Johannes)	1	981.6	1406.6	1	976.2	1406.6	0	0	0	0	0	0
5	Jones ,E (Edward)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Jones ,E (Edward)	1	998.6	573.6	1	994.7	573.6	0	0	0	0	0	0
6	Buhrmann ,J (Johann)	1	1	425	1	1	425	0	0	0	0	0	0
6	Buhrmann ,J (Johann)	1	500	925	1	500	925	0	0	0	0	0	0
7	Zulu ,K (Khanyisile Busiswe)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Zulu ,K (Khanyisile Busiswe)	1	1037.9	612.9	1	1025.9	612.9	0	0	0	0	0	0
8	Tsai ,R (Ray)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Tsai ,R (Ray)	1	1195	770	1	1191.4	770	0	0	0	0	0	0
9	Khan ,A (Aamir)	1	1	425	1	1	425	0	0	0	0	0	0
9	Khan ,A (Aamir)	1	782.3	1207.3	1	797.2	1207.3	0	0	0	0	0	0
10	Shoba ,L (Louisa)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Shoba ,L (Louisa)	1	1241.8	816.8	1	1248.5	816.8	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 Der Westhuizen, W (Wihan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms