Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van der Westhuizen, L (Leah)

Chess SA id

2170314887

FIDE id

Date of birth

2017-06-12 (U10)

Gender

Female

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1015.6

Item	Main	Standard	Rapid	Blitz
Rating	1199.9	1199.8	1205.5	1200
Raw rating	1199.9	1199.8	1205.5	1200
Weighted rating	1199.9	1199.8	1203	1200
Weighted performance	0	0	0	0
Floor	700.8	700	705.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.8	165.9	164.5	165.8
Highest rating	1200.8 2025-03-01	1200 2025-03-01	1205.5 2025-03-01	1200 2025-03-01
Highest raw rating	1200.8 2025-03-01	1200 2025-03-01	1205.5 2025-03-01	1200 2025-03-01
Highest weighted rating	1200.8 2025-03-01	1200 2025-03-01	1202.4 2025-08-01	1200 2025-03-01
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	1199.9	1199.8	1205.5	1200
Analysis
Rating	1199.9	1199.8	1205.5	1200
Raw rating	1199.9	1199.8	1205.5	1200
Weighted rating	1199.9	1199.8	1203
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700.8	700	705.5	700
Max/Min rating change allowed	165.8	165.9	164.5	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	1199.9	1199.8	1205.5	1200
New weighted rating	1199.9	1199.8	1203.3	1200
New weighted performance	0	0	0	0
Temp new rating	1199.9	1199.8	1205.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1199.9	1199.8	1205.5	1200
New K-factor	36	36	36	36
New floor	700.8	700	705.5	700

Item	Main	Standard	Rapid
	0	0	0
	17	5	12
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	17	5	12

Games since
	Main 17	Standard 5		Rapid 12		Blitz 0
Gender	Female
Age group	U10
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-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	17	8	47.06	-25	1192.6	1167.6
Standard	5	2	40	-85	1183.7	1098.7
Rapid	12	6	50	0	1196.3	1196.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	17	8	47.06	-25	1192.6	1167.6
Standard	5	2	40	-85	1183.7	1098.7
Rapid	12	6	50	0	1196.3	1196.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1199.9	1199.8	1205.5	1200
2025-09-01	1199.9	1199.8	1205.5	1200
2025-08-01	1199.9	1199.8	1205.5	1200
2025-07-01	1199.9	1199.8	1205.5	1200
2025-06-01	1199.9	1199.8	1205.5	1200
2025-05-01	1199.8	1199.7	1205.5	1200
2025-04-01	1198.6	1198.1	1205.5	1200
2025-03-01	1200.8	1200	1205.5	1200
2025-02-01	1200	1200	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
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2023-11-01	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	Overberg Schools - PS Closed 2025 (U9 Girls)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
2	Overberg Schools - PS Trials (Region 1) 2025 (U9 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
3	Curro Hermanus Summer Open 2025 (U9)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Overberg Schools - PS Closed 2025 (U9 Girls)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
2	Overberg Schools - PS Trials (Region 1) 2025 (U9 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
3	Curro Hermanus Summer Open 2025 (U9)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Rasekgololo, B (Bandile)				Opponent Blood, I (Izabella)
2	1	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Maritz, K (Kailey)				Opponent Maritz, K (Kailey)
3	1	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Ntlaningeshe, H (Hlalumi)				Opponent Ntlaningeshe, H (Hlalumi)

#	Games	Start				End
1	1	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Maritz, K (Kailey)				Opponent Maritz, K (Kailey)
2	1	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Ntlaningeshe, H (Hlalumi)				Opponent Ntlaningeshe, H (Hlalumi)

#	Games	Start				End
1	2	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Rasekgololo, B (Bandile)				Opponent Blood, I (Izabella)
2	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Fortuin, A (Azaileah)				Opponent Fortuin, A (Azaileah)
3	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Keufack Toukam, F (Faith)				Opponent Keufack Toukam, F (Faith)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Rasekgololo, B (Bandile)				Opponent Blood, I (Izabella)
2	1	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Maritz, K (Kailey)				Opponent Maritz, K (Kailey)
3	1	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Ntlaningeshe, H (Hlalumi)				Opponent Ntlaningeshe, H (Hlalumi)

#	Games	Start				End
1	1	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Maritz, K (Kailey)				Opponent Maritz, K (Kailey)
2	1	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Ntlaningeshe, H (Hlalumi)				Opponent Ntlaningeshe, H (Hlalumi)

#	Games	Start				End
1	2	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Rasekgololo, B (Bandile)				Opponent Blood, I (Izabella)
2	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Fortuin, A (Azaileah)				Opponent Fortuin, A (Azaileah)
3	1	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Keufack Toukam, F (Faith)				Opponent Keufack Toukam, F (Faith)

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	Le Roux ,A (Ada)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Le Roux ,A (Ada)	1	1143.7	718.7	1	1151.3	718.7	0	0	0	0	0	0
2	Shai ,M (Mpho)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Shai ,M (Mpho)	1	1184.1	759.1	1	1150.5	759.1	0	0	0	0	0	0
3	Maritz ,K (Kailey)	1	1	425	1	1	425	0	0	0	0	0	0
3	Maritz ,K (Kailey)	1	1198	1623	1	1200	1623	0	0	0	0	0	0
4	Ntlaningeshe ,H (Hlalumi)	1	1	425	1	1	425	0	0	0	0	0	0
4	Ntlaningeshe ,H (Hlalumi)	1	1198	1623	1	1200	1623	0	0	0	0	0	0
5	Avenant ,J (Jone)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Avenant ,J (Jone)	1	1194.8	769.8	1	1211.4	769.8	0	0	0	0	0	0
6	Du Preez ,J (Janco)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Du Preez ,J (Janco)	1	1244.1	819.1	0	0	0	1	1233.2	819.1	0	0	0
7	Di Giannatale ,A (Alessa)	1	1	425	0	0	0	1	1	425	0	0	0
7	Di Giannatale ,A (Alessa)	1	1193	1618	0	0	0	1	1185.3	1618	0	0	0
8	Rasekgololo ,B (Bandile)	1	1	425	0	0	0	1	1	425	0	0	0
8	Rasekgololo ,B (Bandile)	1	1156.7	1581.7	0	0	0	1	1170.9	1581.7	0	0	0
9	Grieb ,N (Nathan)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Grieb ,N (Nathan)	1	1242.8	817.8	0	0	0	1	1214.8	817.8	0	0	0
10	Fortuin ,A (Azaileah)	1	1	425	0	0	0	1	1	425	0	0	0
10	Fortuin ,A (Azaileah)	1	1200	1625	0	0	0	1	1200	1625	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

Van der Westhuizen, L (Leah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms