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

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	1203.9	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	1203.9
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	1204.1	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
2026-01-01	1199.9	1199.8	1205.5	1200
2025-11-30	1199.9	1199.8	1205.5	1200
2025-11-01	1199.9	1199.8	1205.5	1200
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
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	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

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 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

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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