Chess South Africa Ratings Database

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Personal

Van Der Westhuizen, E (Erin)

Chess SA id

2160307560

FIDE id

Date of birth

2016-01-18 (U10)

Gender

Female

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

46.9

Junior GPX Points

1200.4

Item	Main	Standard	Rapid	Blitz
Rating	1387.8	1347.7	1350.2	1200
Raw rating	1378.4	1341.5	1350.2	1200
Weighted rating	1251.2	1244.9	1238.1	1200
Weighted performance	1387.8	1347.7	1345.6	0
Floor	878.4	841.5	850.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	128.6	135.5	133.9	165.8
Highest rating	1401.9 2025-09-01	1361.5 2025-09-01	1359.5 2025-09-01	1200 2024-10-01
Highest raw rating	1378.4 2025-09-01	1341.5 2025-09-01	1350.2 2025-09-01	1200 2024-10-01
Highest weighted rating	1255.5 2024-09-01	1235.3 2025-09-01	1259.9 2024-07-01	1200 2024-10-01
Highest weighted performance	1401.9 2025-09-01	1361.5 2025-09-01	1359.5 2025-09-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.5	-0.5	0	0
New rating	1387.4	1347.2	1350.2	1200
Analysis
Rating	1387.8	1347.7	1350.2	1200
Raw rating	1378.4	1341.5	1350.2	1200
Weighted rating	1251.2	1244.9	1238.1
Weighted performance	1387.8	1347.7	1345.6
K-factor	36	36	36	36
Floor	878.4	841.5	850.2	700
Max/Min rating change allowed	128.6	135.5	133.9	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	1378.4	1341.5	1350.2	1200
New weighted rating	1263.1	1254	1248.5	1200
New weighted performance	1387.4	1347.2	1345.1	0
Temp new rating	1387.4	1347.2	1350.2	1200
Temp new rating +/-	-0.5	-0.5	0	0
Final new rating +/-	-0.5	-0.5	0	0
New rating	1387.4	1347.2	1350.2	1200
New K-factor	36	36	36	36
New floor	878.4	841.5	850.2	700

Item	Main	Standard	Rapid
	0	0	0
	61	36	25
	17	5	12
	0	0	0
	0	0	0
	0	0	0
History	78	41	37

Games since
	Main 78	Standard 41		Rapid 37		Blitz 0
Gender	Female
Age group	U10
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2303		703		44
Female	404		158		15
U10	164		41		7
U10 Female	25		11		2
Standard
	RSA		Province		Region
Overall	2595		729		45
Female	486		185		14
U10	202		56		6
U10 Female	31		14		1
Rapid
	RSA		Province		Region
Overall	736		379		41
Female	112		62		11
U10	50		27		8
U10 Female	8		6		2
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	61	36	59.02	76.6	1271	1347.6
Standard	36	19	52.78	23.6	1286.4	1310
Rapid	25	17	68	153	1248.8	1401.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	78	45	57.69	65.4	1249.8	1315.2
Standard	41	22	53.66	31.1	1278	1309.1
Rapid	37	23	62.16	103.4	1218.6	1322
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1378.4	1341.5	1350.2	1200
2025-09-01	1378.4	1341.5	1350.2	1200
2025-08-01	1318.4	1313.6	1259.9	1200
2025-07-01	1255.5	1246.6	1259.9	1200
2025-06-01	1235.9	1219.9	1259.9	1200
2025-05-01	1253.3	1218.6	1259.9	1200
2025-04-01	1228.9	1218.6	1228.7	1200
2025-03-01	1222.6	1220.8	1228.7	1200
2025-02-01	1203.2	1220.8	1190.5	1200
2025-01-01	1202.6	1220.8	1174	1200
2024-12-01	1202.6	1220.8	1174	1200
2024-11-01	1202.6	1220.8	1174	1200
2024-10-01	1202.6	1220.8	1174	1200
2024-09-01	1218.6	1220.8	1200	1200
2024-08-01	1218.6	1220.8	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	Kleinmond Chess Club Open 2025 (U10)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
2	Curro Chess Open Rapid 2025 (U10)	2025-08-23	2025-08-23	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
3	Overberg Top Schools 2025 (U7+U9)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	5	3.5	Yes	Analysis
4	Cape Winelands Open 2025 (U10)	2025-07-19	2025-07-19	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
5	Helderberg Chess Club Open 2025 (U9)	2025-06-07	2025-06-07	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
6	Western Cape Schools Individual Championship 2025 (U9 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
7	West Coast And Mykonos Open 2025 (U10)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	5	4	1	Yes	Analysis
8	Hermanus Chess Club Open 2025 (U10)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	4	Yes	Analysis
9	Cape Town Open Chess Festival 2025 (U10)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
10	Overberg Schools - PS Closed 2025 (U9 Girls)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
11	Overberg Schools - PS Trials (Region 1) 2025 (U9 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Kleinmond Chess Club Open 2025 (U10)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
2	Curro Chess Open Rapid 2025 (U10)	2025-08-23	2025-08-23	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
3	Overberg Top Schools 2025 (U7+U9)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	5	3.5	Yes	Analysis
4	Cape Winelands Open 2025 (U10)	2025-07-19	2025-07-19	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
5	Helderberg Chess Club Open 2025 (U9)	2025-06-07	2025-06-07	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
6	Western Cape Schools Individual Championship 2025 (U9 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
7	West Coast And Mykonos Open 2025 (U10)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	5	4	1	Yes	Analysis
8	Hermanus Chess Club Open 2025 (U10)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	4	Yes	Analysis
9	Cape Town Open Chess Festival 2025 (U10)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
10	Overberg Schools - PS Closed 2025 (U9 Girls)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
11	Overberg Schools - PS Trials (Region 1) 2025 (U9 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
12	Kingsway Chess Open 2024 (U8)	2024-09-14	2024-09-14	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
13	Kleinmond Chess Club Open 2024 (U10)	2024-09-07	2024-09-07	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
14	Overberg Schools - Top Schools 2024 (U7+U9 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Overberg Top Schools 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-08-23	rnd 1	type Rapid	result 1
		Opponent Mullins, L (Lucy-May)				Opponent Adam, M (Mahir)
2	4	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 3	type Rapid	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Mueller, N (Noah)				Opponent Sander, H (Hannah)
3	4	Tournament West Coast And Mykonos Open 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-04	rnd 5	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Ruiter, C (Charltonica)				Opponent Swanepoel, M (Mariaan)

#	Games	Start				End
1	4	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 0.5
		Opponent Mullins, L (Lucy-May)				Opponent Oosthuizen, J (Josua)
2	4	Tournament West Coast And Mykonos Open 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-04	rnd 5	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Ruiter, C (Charltonica)				Opponent Swanepoel, M (Mariaan)
3	2	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 4	type Standard	result 1	date 2025-07-19	rnd 5	type Standard	result 1
		Opponent Baker, J (Jessica)				Opponent Klopper, E (Elbe)

#	Games	Start				End
1	4	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 3	type Rapid	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Mueller, N (Noah)				Opponent Sander, H (Hannah)
2	4	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Mohafa, T (Tlhono)				Opponent Shai, M (Mpho)
3	4	Tournament Kleinmond Chess Club Open 2024				Tournament Kingsway Chess Open 2024
		date 2024-09-07	rnd 4	type Rapid	result 1	date 2024-09-14	rnd 1	type Rapid	result 1
		Opponent Groenewald, T (Tamara)				Opponent Sikolo, S (Sithandiwe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 3	type Rapid	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Mueller, N (Noah)				Opponent Sander, H (Hannah)
2	4	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Mohafa, T (Tlhono)				Opponent Shai, M (Mpho)
3	4	Tournament Kleinmond Chess Club Open 2024				Tournament Kingsway Chess Open 2024
		date 2024-09-07	rnd 4	type Rapid	result 1	date 2024-09-14	rnd 1	type Rapid	result 1
		Opponent Groenewald, T (Tamara)				Opponent Sikolo, S (Sithandiwe)

#	Games	Start				End
1	3	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-08-02	rnd 4	type Standard	result 1
		Opponent Mullins, L (Lucy-May)				Opponent Schutte, L (Luan)
2	2	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 4	type Standard	result 1	date 2025-07-19	rnd 5	type Standard	result 1
		Opponent Baker, J (Jessica)				Opponent Klopper, E (Elbe)
3	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Hodgson, N (Neva)				Opponent Swanepoel, M (Mariaan)

#	Games	Start				End
1	4	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 3	type Rapid	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Mueller, N (Noah)				Opponent Sander, H (Hannah)
2	4	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Mohafa, T (Tlhono)				Opponent Shai, M (Mpho)
3	4	Tournament Kleinmond Chess Club Open 2024				Tournament Kingsway Chess Open 2024
		date 2024-09-07	rnd 4	type Rapid	result 1	date 2024-09-14	rnd 1	type Rapid	result 1
		Opponent Groenewald, T (Tamara)				Opponent Sikolo, S (Sithandiwe)

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	Akemdien ,A (Alex)	3	0	-425	1	0	-425	2	0	-425	0	0	0
1	Akemdien ,A (Alex)	3	1564	1139	1	1531.7	1139	2	1474.9	1139	0	0	0
2	Tshota ,E (Enkosi)	3	0	-425	1	0	-425	2	0	-425	0	0	0
2	Tshota ,E (Enkosi)	3	1214.3	789.3	1	1174.9	789.3	2	1207	789.3	0	0	0
3	Rasekgololo ,B (Bandile)	2	2	425	2	2	425	0	0	0	0	0	0
3	Rasekgololo ,B (Bandile)	2	1175.1	1600.1	2	1176.4	1600.1	0	0	0	0	0	0
4	Klopper ,E (Elbe)	2	1	0	2	1	0	0	0	0	0	0	0
4	Klopper ,E (Elbe)	2	1417.4	1417.4	2	1426.1	1417.4	0	0	0	0	0	0
5	Crafford ,Q (Quade)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Crafford ,Q (Quade)	2	1375.8	950.8	2	1359	950.8	0	0	0	0	0	0
6	Du Preez ,J (Janco)	2	1	0	2	1	0	0	0	0	0	0	0
6	Du Preez ,J (Janco)	2	1260.8	1260.8	2	1221.9	1260.8	0	0	0	0	0	0
7	Shai ,M (Mpho)	2	1	0	1	0	-425	1	1	425	0	0	0
7	Shai ,M (Mpho)	2	1169.9	1169.9	1	1150.5	744.9	1	1200	1594.9	0	0	0
8	Harikisun ,A (Aaheli)	2	1.5	212.5	1	0.5	0	1	1	425	0	0	0
8	Harikisun ,A (Aaheli)	2	1177.9	1390.4	1	1187.4	1177.9	1	1182.6	1602.9	0	0	0
9	Mzizana ,U (Ulungile)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mzizana ,U (Ulungile)	1	1294.8	869.8	1	1233.4	869.8	0	0	0	0	0	0
10	Castle ,C (Chardonay)	1	1	425	1	1	425	0	0	0	0	0	0
10	Castle ,C (Chardonay)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Van Der Westhuizen, E (Erin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms