Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Westhuizen, E (Edmari Rose)

Chess SA id

2090151283

FIDE id

Date of birth

2009-05-20 (U18)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1209.5	1181.6	1214.4	1200
Raw rating	1209.5	1181.6	1214.4	1200
Weighted rating	1208.8	1181.6	1213.6	1200
Weighted performance	0	0	0	0
Floor	709.5	700	714.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.6	170.2	162.4	165.8
Highest rating	1209.5 2024-03-01	1200 2018-10-01	1229.1 2024-02-01	1200 2018-10-01
Highest raw rating	1209.5 2024-03-01	1200 2019-12-01	1214.4 2024-03-01	1200 2024-03-01
Highest weighted rating	1206.9 2025-08-01	1200 2018-10-01	1211.6 2025-08-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1229.1 2024-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1209.5	1181.6	1214.4	1200
Analysis
Rating	1209.5	1181.6	1214.4	1200
Raw rating	1209.5	1181.6	1214.4	1200
Weighted rating	1208.8	1181.6	1213.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	709.5	700	714.4	700
Max/Min rating change allowed	163.6	170.2	162.4	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	1209.5	1181.6	1214.4	1200
New weighted rating	1209.1	1181.6	1214	1200
New weighted performance	0	0	0	0
Temp new rating	1209.5	1181.6	1214.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1209.5	1181.6	1214.4	1200
New K-factor	36	36	36	36
New floor	709.5	700	714.4	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	6	0	6
	10	5	5
	0	0	0
	0	0	0
History	16	5	11

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	Female
Age group	U18
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	7.5	46.88	-26.6	1238.5	1212
Standard	5	2	40	-85	1162.4	1077.4
Rapid	11	5.5	50	0	1273.1	1273.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1209.5	1181.6	1214.4	1200
2025-09-30	1209.5	1181.6	1214.4	1200
2025-09-01	1209.5	1181.6	1214.4	1200
2025-08-01	1209.5	1181.6	1214.4	1200
2025-07-01	1209.5	1181.6	1214.4	1200
2025-06-01	1209.5	1181.6	1214.4	1200
2025-05-01	1209.5	1181.6	1214.4	1200
2025-04-01	1209.5	1181.6	1214.4	1200
2025-03-01	1209.5	1181.6	1214.4	1200
2025-02-01	1209.5	1181.6	1214.4	1200
2025-01-01	1209.5	1181.6	1214.4	1200
2024-12-01	1209.5	1181.6	1214.4	1200
2024-11-01	1209.5	1181.6	1214.4	1200
2024-10-01	1209.5	1181.6	1214.4	1200
2024-09-01	1209.5	1181.6	1214.4	1200
2024-08-01	1209.5	1181.6	1214.4	1200
2024-07-01	1209.5	1181.6	1214.4	1200
2024-09-01	1209.5	1181.6	1214.4	1200
2024-05-01	1209.5	1181.6	1214.4	1200
2024-04-01	1209.5	1181.6	1214.4	1200
2024-03-01	1209.5	1181.6	1214.4	1200
2024-02-01	1172.8	1181.6	1174	1200
2024-01-01	1172.8	1181.6	1174	1200
2023-12-01	1172.8	1181.6	1174	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	Cape Winelands Schools - HS Trials 1 2024 (U15 Girls)	2024-02-17	2024-02-17	Rapid	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
2	CW Top Schools 2023 (U18 Mix)	2023-08-26	2023-08-26	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
3	Cape Winelands Schools Chess - Trials 1 2023 (U15 Girls)	2023-02-25	2023-02-25	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 3	type Rapid	result 1	date 2024-02-17	rnd 5	type Rapid	result 0.5
		Opponent Dippenaar, Z (Zaida)				Opponent Van Deventer, L (Lia)
2	2	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 3	type Rapid	result 1	date 2023-08-26	rnd 4	type Rapid	result 1
		Opponent Nunes, C (Christiano)				Opponent Augustyn, A (Anika)
3	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 1	type Rapid	result 1
		Opponent Deysel, E (Erinick)				Opponent Deysel, E (Erinick)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-02-25	rnd 5	type Standard	result 1
		Opponent Engelbrecht, C (Chelsea)				Opponent Engelbrecht, C (Chelsea)
2	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 3	type Standard	result 1	date 2023-02-25	rnd 3	type Standard	result 1
		Opponent Engelbrecht, J (Jenna)				Opponent Engelbrecht, J (Jenna)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 3	type Rapid	result 1	date 2024-02-17	rnd 5	type Rapid	result 0.5
		Opponent Dippenaar, Z (Zaida)				Opponent Van Deventer, L (Lia)
2	2	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 3	type Rapid	result 1	date 2023-08-26	rnd 4	type Rapid	result 1
		Opponent Nunes, C (Christiano)				Opponent Augustyn, A (Anika)
3	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 1	type Rapid	result 1
		Opponent Deysel, E (Erinick)				Opponent Deysel, E (Erinick)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 3	type Rapid	result 1	date 2024-02-17	rnd 4	type Rapid	result 1
		Opponent Dippenaar, Z (Zaida)				Opponent Harmse, T (Taylia)
2	2	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 3	type Rapid	result 1	date 2023-08-26	rnd 4	type Rapid	result 1
		Opponent Nunes, C (Christiano)				Opponent Augustyn, A (Anika)
3	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 1	type Rapid	result 1
		Opponent Deysel, E (Erinick)				Opponent Deysel, E (Erinick)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-02-25	rnd 5	type Standard	result 1
		Opponent Engelbrecht, C (Chelsea)				Opponent Engelbrecht, C (Chelsea)
2	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 3	type Standard	result 1	date 2023-02-25	rnd 3	type Standard	result 1
		Opponent Engelbrecht, J (Jenna)				Opponent Engelbrecht, J (Jenna)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 3	type Rapid	result 1	date 2024-02-17	rnd 4	type Rapid	result 1
		Opponent Dippenaar, Z (Zaida)				Opponent Harmse, T (Taylia)
2	2	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 3	type Rapid	result 1	date 2023-08-26	rnd 4	type Rapid	result 1
		Opponent Nunes, C (Christiano)				Opponent Augustyn, A (Anika)
3	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 1	type Rapid	result 1
		Opponent Deysel, E (Erinick)				Opponent Deysel, E (Erinick)

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	Engelbrecht ,J (Jenna)	1	1	425	1	1	425	0	0	0	0	0	0
1	Engelbrecht ,J (Jenna)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Burger ,S (Suzanne)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Burger ,S (Suzanne)	1	1159.4	734.4	1	1200	734.4	0	0	0	0	0	0
3	Hall ,K (Kirsten)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Hall ,K (Kirsten)	1	1227.9	802.9	1	1236.3	802.9	0	0	0	0	0	0
4	Engelbrecht ,C (Chelsea)	1	1	425	1	1	425	0	0	0	0	0	0
4	Engelbrecht ,C (Chelsea)	1	1047.6	1472.6	1	1200	1472.6	0	0	0	0	0	0
5	Mookadam ,A (Amina)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mookadam ,A (Amina)	1	1177.2	752.2	1	1165.6	752.2	0	0	0	0	0	0
6	Nunes ,C (Christiano)	1	1	425	0	0	0	1	1	425	0	0	0
6	Nunes ,C (Christiano)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Van Deventer ,L (Lia)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
7	Van Deventer ,L (Lia)	1	1378.7	1378.7	0	0	0	1	1377.5	1378.7	0	0	0
8	Linders ,G (Garth)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Linders ,G (Garth)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Harmse ,T (Taylia)	1	1	425	0	0	0	1	1	425	0	0	0
9	Harmse ,T (Taylia)	1	1136.3	1561.3	0	0	0	1	1089.2	1561.3	0	0	0
10	Johnson ,L (Lakeisha)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Johnson ,L (Lakeisha)	1	1552.3	1127.3	0	0	0	1	1431.6	1127.3	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, E (Edmari Rose)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms