Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, E (Ethan)

Chess SA id

1090158271

FIDE id

Date of birth

2009-06-28 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-07-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1167.6	1200	1149.9	1200
Raw rating	1167.6	1200	1149.9	1200
Weighted rating	1167.2	1200	1149.3	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.6	165.8	178.1	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2024-02-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2024-02-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1167.6	1200	1149.9	1200
Analysis
Rating	1167.6	1200	1149.9	1200
Raw rating	1167.6	1200	1149.9	1200
Weighted rating	1167.2	1200	1149.3
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	173.6	165.8	178.1	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	1167.6	1200	1149.9	1200
New weighted rating	1167.3	1200	1149.4	1200
New weighted performance	0	0	0	0
Temp new rating	1167.6	1200	1149.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1167.6	1200	1149.9	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	0	0
	0	0
	6	6
	0	0
	0	0
History	6	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-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	6	1	16.67	-283.3	1283.9	1000.6
Standard	0	0	0	0	0	0
Rapid	6	1	16.67	-283.3	1283.9	1000.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1167.6	1200	1149.9	1200
2025-09-30	1167.6	1200	1149.9	1200
2025-09-01	1167.6	1200	1149.9	1200
2025-08-01	1167.6	1200	1149.9	1200
2025-07-01	1167.6	1200	1149.9	1200
2025-06-01	1167.6	1200	1149.9	1200
2025-05-01	1167.6	1200	1149.9	1200
2025-04-01	1167.6	1200	1149.9	1200
2025-03-01	1167.6	1200	1149.9	1200
2025-02-01	1167.6	1200	1149.9	1200
2025-01-01	1166.5	1200	1148.2	1200
2024-12-01	1166.5	1200	1148.2	1200
2024-11-01	1166.5	1200	1148.2	1200
2024-10-01	1166.5	1200	1148.2	1200
2024-09-01	1166.5	1200	1148.2	1200
2024-08-01	1166.5	1200	1148.2	1200
2024-07-01	1166.5	1200	1148.2	1200
2024-09-01	1166.5	1200	1148.2	1200
2024-05-01	1166.5	1200	1148.2	1200
2024-04-01	1166.5	1200	1148.2	1200
2024-03-01	1166.5	1200	1148.2	1200
2024-02-01	1166.5	1200	1148.2	1200
2024-01-01	1166.5	1200	1148.2	1200
2023-12-01	1166.5	1200	1148.2	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	Curro Durbanville Chess Open Rapid 2023 (Intermediate)	2023-07-15	2023-07-15	Rapid	Cape Town (WCT)	6	6	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-07-15	rnd 2	type Rapid	result 1	date 2023-07-15	rnd 2	type Rapid	result 1
		Opponent Fisher, L (Lee-Ann)				Opponent Fisher, L (Lee-Ann)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-07-15	rnd 2	type Rapid	result 1	date 2023-07-15	rnd 2	type Rapid	result 1
		Opponent Fisher, L (Lee-Ann)				Opponent Fisher, L (Lee-Ann)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-07-15	rnd 2	type Rapid	result 1	date 2023-07-15	rnd 2	type Rapid	result 1
		Opponent Fisher, L (Lee-Ann)				Opponent Fisher, L (Lee-Ann)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-07-15	rnd 2	type Rapid	result 1	date 2023-07-15	rnd 2	type Rapid	result 1
		Opponent Fisher, L (Lee-Ann)				Opponent Fisher, L (Lee-Ann)

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	Liao ,B (Bruce)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Liao ,B (Bruce)	1	1170.5	745.5	0	0	0	1	1200	745.5	0	0	0
2	Rubusana ,A (Anda)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Rubusana ,A (Anda)	1	1107.3	682.3	0	0	0	1	1157.6	682.3	0	0	0
3	Srivastava ,P (Prakhar)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Srivastava ,P (Prakhar)	1	1344.7	919.7	0	0	0	1	1328.1	919.7	0	0	0
4	Stern ,M (Mason)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Stern ,M (Mason)	1	1512.4	1087.4	0	0	0	1	1557.7	1087.4	0	0	0
5	Fisher ,L (Lee-Ann)	1	1	425	0	0	0	1	1	425	0	0	0
5	Fisher ,L (Lee-Ann)	1	1154	1579	0	0	0	1	1101.7	1579	0	0	0
6	Smith ,S (Shiloh)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Smith ,S (Shiloh)	1	1414.4	989.4	0	0	0	1	1336.1	989.4	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 Merwe, E (Ethan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms