Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Westhuizen, L (L-Ree)

Chess SA id

2140158233

FIDE id

Date of birth

2014-11-27 (U12)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-04-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1185.1	1222.7	1145	1200
Raw rating	1185.1	1222.7	1145	1200
Weighted rating	1184	1221.6	1144.2	1200
Weighted performance	0	0	0	0
Floor	700	722.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	169.4	160.5	179.3	165.8
Highest rating	1200 2018-10-01	1307.2 2024-04-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1222.7 2024-05-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1220 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1307.2 2024-04-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1185.1	1222.7	1145	1200
Analysis
Rating	1185.1	1222.7	1145	1200
Raw rating	1185.1	1222.7	1145	1200
Weighted rating	1184	1221.6	1144.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	722.7	700	700
Max/Min rating change allowed	169.4	160.5	179.3	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	1185.1	1222.7	1145	1200
New weighted rating	1184.4	1221.9	1144.2	1200
New weighted performance	0	0	0	0
Temp new rating	1185.1	1222.7	1145	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1185.1	1222.7	1145	1200
New K-factor	36	36	36	36
New floor	700	722.7	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	12	5	7
	4	0	4
	0	0	0
	0	0	0
History	16	5	11

Games since
	Main 12	Standard 5		Rapid 7		Blitz 0
Gender	Female
Age group	U12
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 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	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	16	6.5	40.62	-79.7	1195	1115.3
Standard	5	3	60	85	1223.6	1308.6
Rapid	11	3.5	31.82	-154.5	1182	1027.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1185.1	1222.7	1145	1200
2025-09-30	1185.1	1222.7	1145	1200
2025-09-01	1185.1	1222.7	1145	1200
2025-08-01	1185.1	1222.7	1145	1200
2025-07-01	1185.1	1222.7	1145	1200
2025-06-01	1185.1	1222.7	1145	1200
2025-05-01	1185.1	1222.7	1145	1200
2025-04-01	1185.1	1222.7	1145	1200
2025-03-01	1185.1	1222.7	1145	1200
2025-02-01	1185.1	1222.7	1145	1200
2025-01-01	1185.1	1222.7	1142	1200
2024-12-01	1185.1	1222.7	1142	1200
2024-11-01	1185.1	1222.7	1142	1200
2024-10-01	1185.1	1222.7	1142	1200
2024-09-01	1185.1	1222.7	1142	1200
2024-08-01	1185.1	1222.7	1142	1200
2024-07-01	1185.1	1222.7	1142	1200
2024-09-01	1185.1	1222.7	1142	1200
2024-05-01	1185.1	1222.7	1142	1200
2024-04-01	1157.3	1200	1142	1200
2024-03-01	1167	1200	1148.5	1200
2024-02-01	1167	1200	1148.5	1200
2024-01-01	1167	1200	1148.5	1200
2023-12-01	1167	1200	1148.5	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	Westwood Open 2024 (C)	2024-04-13	2024-04-13	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	Ekurhuleni North Chess Club Open Tournament 2024 (E)	2024-03-02	2024-03-02	Rapid	Ehlanzeni (MEN)	7	7	3	Yes	Analysis
3	Boksburg Chess Club Rapid 2023	2023-06-20	2023-06-20	Rapid	Ekurhuleni (GE)	5	4	0.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Westwood Open 2024				Tournament Westwood Open 2024
		date 2024-04-13	rnd 4	type Standard	result 1	date 2024-04-13	rnd 5	type Standard	result 1
		Opponent Ngaka, R (Refilwe Tyron)				Opponent Bouwer, I (Ivan)
2	2	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2024-03-02	rnd 5	type Rapid	result 1	date 2024-03-02	rnd 6	type Rapid	result 1
		Opponent Beaton, M (Mekhl)				Opponent Mendonca, M (Mark)
3	1	Tournament Westwood Open 2024				Tournament Westwood Open 2024
		date 2024-04-13	rnd 2	type Standard	result 1	date 2024-04-13	rnd 2	type Standard	result 1
		Opponent Botha, M (Marchant Joe)				Opponent Botha, M (Marchant Joe)

#	Games	Start				End
1	2	Tournament Westwood Open 2024				Tournament Westwood Open 2024
		date 2024-04-13	rnd 4	type Standard	result 1	date 2024-04-13	rnd 5	type Standard	result 1
		Opponent Ngaka, R (Refilwe Tyron)				Opponent Bouwer, I (Ivan)
2	1	Tournament Westwood Open 2024				Tournament Westwood Open 2024
		date 2024-04-13	rnd 2	type Standard	result 1	date 2024-04-13	rnd 2	type Standard	result 1
		Opponent Botha, M (Marchant Joe)				Opponent Botha, M (Marchant Joe)

#	Games	Start				End
1	2	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2024-03-02	rnd 5	type Rapid	result 1	date 2024-03-02	rnd 6	type Rapid	result 1
		Opponent Beaton, M (Mekhl)				Opponent Mendonca, M (Mark)
2	1	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2024-03-02	rnd 2	type Rapid	result 1	date 2024-03-02	rnd 2	type Rapid	result 1
		Opponent Karsas, S (Sophia)				Opponent Karsas, S (Sophia)
3	1	Tournament Boksburg Chess Club Rapid 2023				Tournament Boksburg Chess Club Rapid 2023
		date 2023-06-20	rnd 2	type Rapid	result 0.5	date 2023-06-20	rnd 2	type Rapid	result 0.5
		Opponent Lombard, R (Reece)				Opponent Lombard, R (Reece)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Westwood Open 2024				Tournament Westwood Open 2024
		date 2024-04-13	rnd 4	type Standard	result 1	date 2024-04-13	rnd 5	type Standard	result 1
		Opponent Ngaka, R (Refilwe Tyron)				Opponent Bouwer, I (Ivan)
2	2	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2024-03-02	rnd 5	type Rapid	result 1	date 2024-03-02	rnd 6	type Rapid	result 1
		Opponent Beaton, M (Mekhl)				Opponent Mendonca, M (Mark)
3	1	Tournament Westwood Open 2024				Tournament Westwood Open 2024
		date 2024-04-13	rnd 2	type Standard	result 1	date 2024-04-13	rnd 2	type Standard	result 1
		Opponent Botha, M (Marchant Joe)				Opponent Botha, M (Marchant Joe)

#	Games	Start				End
1	2	Tournament Westwood Open 2024				Tournament Westwood Open 2024
		date 2024-04-13	rnd 4	type Standard	result 1	date 2024-04-13	rnd 5	type Standard	result 1
		Opponent Ngaka, R (Refilwe Tyron)				Opponent Bouwer, I (Ivan)
2	1	Tournament Westwood Open 2024				Tournament Westwood Open 2024
		date 2024-04-13	rnd 2	type Standard	result 1	date 2024-04-13	rnd 2	type Standard	result 1
		Opponent Botha, M (Marchant Joe)				Opponent Botha, M (Marchant Joe)

#	Games	Start				End
1	2	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2024-03-02	rnd 5	type Rapid	result 1	date 2024-03-02	rnd 6	type Rapid	result 1
		Opponent Beaton, M (Mekhl)				Opponent Mendonca, M (Mark)
2	1	Tournament Ekurhuleni North Chess Club Open Tournament 2024				Tournament Ekurhuleni North Chess Club Open Tournament 2024
		date 2024-03-02	rnd 2	type Rapid	result 1	date 2024-03-02	rnd 2	type Rapid	result 1
		Opponent Karsas, S (Sophia)				Opponent Karsas, S (Sophia)

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	Potgieter ,L (Lienke)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Potgieter ,L (Lienke)	1	1200	775	1	1201.5	775	0	0	0	0	0	0
2	Bouwer ,I (Ivan)	1	1	425	1	1	425	0	0	0	0	0	0
2	Bouwer ,I (Ivan)	1	1221.6	1646.6	1	1200	1646.6	0	0	0	0	0	0
3	Ngaka ,R (Refilwe Tyron)	1	1	425	1	1	425	0	0	0	0	0	0
3	Ngaka ,R (Refilwe Tyron)	1	1220.7	1645.7	1	1177	1645.7	0	0	0	0	0	0
4	Nemusombori ,LN (Livhuwani Nathan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Nemusombori ,LN (Livhuwani Nathan)	1	1281.6	856.6	1	1305.8	856.6	0	0	0	0	0	0
5	Botha ,M (Marchant Joe)	1	1	425	1	1	425	0	0	0	0	0	0
5	Botha ,M (Marchant Joe)	1	1194.2	1619.2	1	1200	1619.2	0	0	0	0	0	0
6	Trollope ,J (Joshua)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Trollope ,J (Joshua)	1	1188.3	763.3	0	0	0	1	1200	763.3	0	0	0
7	Mendonca ,N (Nelita)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Mendonca ,N (Nelita)	1	1216.1	791.1	0	0	0	1	1200	791.1	0	0	0
8	Collins ,J (Jaytem)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Collins ,J (Jaytem)	1	1082.5	657.5	0	0	0	1	1146	657.5	0	0	0
9	Myburgh ,X (Xuan)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Myburgh ,X (Xuan)	1	1263	838	0	0	0	1	1261.6	838	0	0	0
10	Karsas ,S (Sophia)	1	1	425	0	0	0	1	1	425	0	0	0
10	Karsas ,S (Sophia)	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

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PLAYER PAGE

Personal

Van Der Westhuizen, L (L-Ree)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms