Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Westhuizen, J (Johan)

Chess SA id

1970314043

FIDE id

Date of birth

1997-04-27 (Adult)

Gender

Male

Region

Bojanala Platina (NBR)

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	1201.1	1201.4	1200	1200
Raw rating	1201	1201.3	1200	1200
Weighted rating	1201.1	1201.4	1200	1200
Weighted performance	0	0	0	0
Floor	710.5	713.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.6	165.5	165.8	165.8
Highest rating	1210.5 2025-02-01	1213.7 2025-02-01	1200 2025-02-01	1200 2025-02-01
Highest raw rating	1210.5 2025-02-01	1213.7 2025-02-01	1200 2025-02-01	1200 2025-02-01
Highest weighted rating	1210.5 2025-02-01	1213.7 2025-02-01	1200 2025-02-01	1200 2025-02-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1201.1	1201.5	1200	1200
Analysis
Rating	1201.1	1201.4	1200	1200
Raw rating	1201	1201.3	1200	1200
Weighted rating	1201.1	1201.4	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	710.5	713.7	700	700
Max/Min rating change allowed	165.6	165.5	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	1201	1201.3	1200	1200
New weighted rating	1201.1	1201.5	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1201.1	1201.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1201.1	1201.5	1200	1200
New K-factor	36	36	36	36
New floor	710.5	713.7	700	700

Item	Main	Standard
	0	0
	10	10
	0	0
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
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	10	4.5	45	-42.5	1224.7	1182.2
Standard	10	4.5	45	-42.5	1224.7	1182.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	4.5	45	-42.5	1224.7	1182.2
Standard	10	4.5	45	-42.5	1224.7	1182.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1201	1201.3	1200	1200
2025-09-30	1201	1201.3	1200	1200
2025-09-01	1201	1201.3	1200	1200
2025-08-01	1201	1201.3	1200	1200
2025-07-01	1201	1201.3	1200	1200
2025-06-01	1201	1201.2	1200	1200
2025-05-01	1200.9	1201.2	1200	1200
2025-04-01	1200.9	1201.1	1200	1200
2025-03-01	1200.7	1200.9	1200	1200
2025-02-01	1210.5	1213.7	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200

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	Bojanala's Battle In The Kloof 2025 (Queens)	2025-02-15	2025-02-15	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
2	Bojanala Wildcard 2025 (Queens)	2025-01-25	2025-01-25	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bojanala's Battle In The Kloof 2025 (Queens)	2025-02-15	2025-02-15	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
2	Bojanala Wildcard 2025 (Queens)	2025-01-25	2025-01-25	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Bojanala's Battle In The Kloof 2025				Tournament Bojanala's Battle In The Kloof 2025
		date 2025-02-15	rnd 3	type Standard	result 0.5	date 2025-02-15	rnd 5	type Standard	result 1
		Opponent James, D (Dillon)				Opponent Mokone, O (Oratile)
2	2	Tournament Bojanala Wildcard 2025				Tournament Bojanala Wildcard 2025
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-25	rnd 4	type Standard	result 1
		Opponent Molefe, T (Thabiso)				Opponent Iman, S (Steven)

#	Games	Start				End
1	3	Tournament Bojanala's Battle In The Kloof 2025				Tournament Bojanala's Battle In The Kloof 2025
		date 2025-02-15	rnd 3	type Standard	result 0.5	date 2025-02-15	rnd 5	type Standard	result 1
		Opponent James, D (Dillon)				Opponent Mokone, O (Oratile)
2	2	Tournament Bojanala Wildcard 2025				Tournament Bojanala Wildcard 2025
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-25	rnd 4	type Standard	result 1
		Opponent Molefe, T (Thabiso)				Opponent Iman, S (Steven)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Bojanala's Battle In The Kloof 2025				Tournament Bojanala's Battle In The Kloof 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-02-15	rnd 5	type Standard	result 1
		Opponent Smith, J (Johan)				Opponent Mokone, O (Oratile)
2	2	Tournament Bojanala Wildcard 2025				Tournament Bojanala Wildcard 2025
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-25	rnd 4	type Standard	result 1
		Opponent Molefe, T (Thabiso)				Opponent Iman, S (Steven)

#	Games	Start				End
1	2	Tournament Bojanala's Battle In The Kloof 2025				Tournament Bojanala's Battle In The Kloof 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-02-15	rnd 5	type Standard	result 1
		Opponent Smith, J (Johan)				Opponent Mokone, O (Oratile)
2	2	Tournament Bojanala Wildcard 2025				Tournament Bojanala Wildcard 2025
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-25	rnd 4	type Standard	result 1
		Opponent Molefe, T (Thabiso)				Opponent Iman, S (Steven)

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	Smith ,J (Johan)	1	1	425	1	1	425	0	0	0	0	0	0
1	Smith ,J (Johan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	James ,D (Dillon)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	James ,D (Dillon)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
3	Iman ,S (Steven)	1	1	425	1	1	425	0	0	0	0	0	0
3	Iman ,S (Steven)	1	1285.8	1710.8	1	1295.1	1710.8	0	0	0	0	0	0
4	Mokone ,O (Oratile)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mokone ,O (Oratile)	1	667.9	1092.9	1	677.1	1092.9	0	0	0	0	0	0
5	Vlok ,A (Armand)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Vlok ,A (Armand)	1	1316.2	891.2	1	1303.5	891.2	0	0	0	0	0	0
6	Mokoena ,T (Thoriso)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mokoena ,T (Thoriso)	1	1352.2	927.2	1	1360.7	927.2	0	0	0	0	0	0
7	September ,M (Mckenzie)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	September ,M (Mckenzie)	1	1506.2	1081.2	1	1521.7	1081.2	0	0	0	0	0	0
8	Mokone ,G (Gomolemo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mokone ,G (Gomolemo)	1	1406.1	981.1	1	1414.2	981.1	0	0	0	0	0	0
9	Molefe ,T (Thabiso)	1	1	425	1	1	425	0	0	0	0	0	0
9	Molefe ,T (Thabiso)	1	1115.7	1540.7	1	1096.8	1540.7	0	0	0	0	0	0
10	Makalela ,P (Phenyo)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Makalela ,P (Phenyo)	1	1196.7	771.7	1	1195.2	771.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Van Der Westhuizen, J (Johan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms