Chess South Africa Ratings Database

PLAYER PAGE

Personal

Willemburg, E (Ethan)

Chess SA id

1060108816

FIDE id

Date of birth

2006-11-16 (U20)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-02-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1200.2	1176.4	1232.8	1200
Raw rating	1200.2	1176.4	1232.8	1200
Weighted rating	1200.2	1176.4	1232.8	1200
Weighted performance	0	0	0	0
Floor	700.2	700	732.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.8	171.5	158.2	165.8
Highest rating	1215.4 2019-02-01	1200 2018-10-01	1342.2 2019-02-01	1200 2018-10-01
Highest raw rating	1200.2 2024-02-01	1200 2018-02-01	1232.8 2024-02-01	1200 2024-02-01
Highest weighted rating	1200.2 2025-02-01	1200 2018-10-01	1232.8 2025-02-01	1200 2018-10-01
Highest weighted performance	1215.4 2019-02-01	1200 2018-02-01	1342.2 2019-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1200.2	1176.4	1232.8	1200
Analysis
Rating	1200.2	1176.4	1232.8	1200
Raw rating	1200.2	1176.4	1232.8	1200
Weighted rating	1200.2	1176.4	1232.8
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700.2	700	732.8	700
Max/Min rating change allowed	165.8	171.5	158.2	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	1200.2	1176.4	1232.8	1200
New weighted rating	1200.2	1176.4	1232.8	1200
New weighted performance	0	0	0	0
Temp new rating	1200.2	1176.4	1232.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1200.2	1176.4	1232.8	1200
New K-factor	36	36	36	36
New floor	700.2	700	732.8	700

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

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	11	6	54.55	38.6	1158.4	1197.1
Standard	6	3	50	0	1075.8	1075.8
Rapid	5	3	60	85	1257.6	1342.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1200.2	1176.4	1232.8	1200
2025-09-01	1200.2	1176.4	1232.8	1200
2025-08-01	1200.2	1176.4	1232.8	1200
2025-07-01	1200.2	1176.4	1232.8	1200
2025-06-01	1200.2	1176.4	1232.8	1200
2025-05-01	1200.2	1176.4	1232.8	1200
2025-04-01	1200.2	1176.4	1232.8	1200
2025-03-01	1200.2	1176.4	1232.8	1200
2025-02-01	1200.2	1176.4	1232.8	1200
2025-01-01	1200.2	1176.4	1232.8	1200
2024-12-01	1200.2	1176.4	1232.8	1200
2024-11-01	1200.2	1176.4	1232.8	1200
2024-10-01	1200.2	1176.4	1232.8	1200
2024-09-01	1200.2	1176.4	1232.8	1200
2024-08-01	1200.2	1176.4	1232.8	1200
2024-07-01	1200.2	1176.4	1232.8	1200
2024-06-01	1200.2	1176.4	1232.8	1200
2024-08-01	1200.2	1176.4	1232.8	1200
2024-04-01	1200.2	1176.4	1232.8	1200
2024-03-01	1200.2	1176.4	1232.8	1200
2024-02-01	1200.2	1176.4	1232.8	1200
2024-01-01	1200.2	1176.4	1232.8	1200
2023-12-01	1200.2	1176.4	1232.8	1200
2023-11-01	1200.2	1176.4	1232.8	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	Welgemoed Chess Challenge 2019 (U14)	2019-02-23	2019-02-23	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
2	2019 Metro-East District Schools Trials (U13)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 4	type Rapid	result 1	date 2019-02-23	rnd 5	type Rapid	result 1
		Opponent Jacobs, L (Lize-Mari)				Opponent Moritz, O (Oliver)
2	1	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 2	type Rapid	result 1	date 2019-02-23	rnd 2	type Rapid	result 1
		Opponent Van Der Merwe, A (Andre)				Opponent Van Der Merwe, A (Andre)
3	1	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-02	rnd 5	type Standard	result 1	date 2019-02-02	rnd 5	type Standard	result 1
		Opponent Gillespie, C (Christian)				Opponent Gillespie, C (Christian)

#	Games	Start				End
1	1	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-02	rnd 5	type Standard	result 1	date 2019-02-02	rnd 5	type Standard	result 1
		Opponent Gillespie, C (Christian)				Opponent Gillespie, C (Christian)
2	1	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-02	rnd 3	type Standard	result 1	date 2019-02-02	rnd 3	type Standard	result 1
		Opponent Mtwayi, L (Lebo)				Opponent Mtwayi, L (Lebo)
3	1	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-01	rnd 1	type Standard	result 1	date 2019-02-01	rnd 1	type Standard	result 1
		Opponent Dafeti, D (Tumisang)				Opponent Dafeti, D (Tumisang)

#	Games	Start				End
1	2	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 4	type Rapid	result 1	date 2019-02-23	rnd 5	type Rapid	result 1
		Opponent Jacobs, L (Lize-Mari)				Opponent Moritz, O (Oliver)
2	1	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 2	type Rapid	result 1	date 2019-02-23	rnd 2	type Rapid	result 1
		Opponent Van Der Merwe, A (Andre)				Opponent Van Der Merwe, A (Andre)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 4	type Rapid	result 1	date 2019-02-23	rnd 5	type Rapid	result 1
		Opponent Jacobs, L (Lize-Mari)				Opponent Moritz, O (Oliver)
2	1	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 2	type Rapid	result 1	date 2019-02-23	rnd 2	type Rapid	result 1
		Opponent Van Der Merwe, A (Andre)				Opponent Van Der Merwe, A (Andre)
3	1	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-02	rnd 5	type Standard	result 1	date 2019-02-02	rnd 5	type Standard	result 1
		Opponent Gillespie, C (Christian)				Opponent Gillespie, C (Christian)

#	Games	Start				End
1	1	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-02	rnd 5	type Standard	result 1	date 2019-02-02	rnd 5	type Standard	result 1
		Opponent Gillespie, C (Christian)				Opponent Gillespie, C (Christian)
2	1	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-02	rnd 3	type Standard	result 1	date 2019-02-02	rnd 3	type Standard	result 1
		Opponent Mtwayi, L (Lebo)				Opponent Mtwayi, L (Lebo)
3	1	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-01	rnd 1	type Standard	result 1	date 2019-02-01	rnd 1	type Standard	result 1
		Opponent Dafeti, D (Tumisang)				Opponent Dafeti, D (Tumisang)

#	Games	Start				End
1	2	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 4	type Rapid	result 1	date 2019-02-23	rnd 5	type Rapid	result 1
		Opponent Jacobs, L (Lize-Mari)				Opponent Moritz, O (Oliver)
2	1	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 2	type Rapid	result 1	date 2019-02-23	rnd 2	type Rapid	result 1
		Opponent Van Der Merwe, A (Andre)				Opponent Van Der Merwe, A (Andre)

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	Hess ,H (Heinrich)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Hess ,H (Heinrich)	1	598.6	173.6	1	618.8	173.6	0	0	0	0	0	0
2	Gillespie ,C (Christian)	1	1	425	1	1	425	0	0	0	0	0	0
2	Gillespie ,C (Christian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Mtwayi ,L (Lebo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mtwayi ,L (Lebo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Du Plessis ,J (Jean)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Du Plessis ,J (Jean)	1	1166.8	741.8	1	1160	741.8	0	0	0	0	0	0
5	Dafeti ,D (Tumisang)	1	1	425	1	1	425	0	0	0	0	0	0
5	Dafeti ,D (Tumisang)	1	1148.4	1573.4	1	1200	1573.4	0	0	0	0	0	0
6	Isiphilinkosi ,S (Simayile)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Isiphilinkosi ,S (Simayile)	1	1140.9	715.9	1	1129.2	715.9	0	0	0	0	0	0
7	Van Der Merwe ,A (Andre)	1	1	425	0	0	0	1	1	425	0	0	0
7	Van Der Merwe ,A (Andre)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Opperman ,J (Jarred)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Opperman ,J (Jarred)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Jacobs ,L (Lize-Mari)	1	1	425	0	0	0	1	1	425	0	0	0
9	Jacobs ,L (Lize-Mari)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Moritz ,O (Oliver)	1	1	425	0	0	0	1	1	425	0	0	0
10	Moritz ,O (Oliver)	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

Willemburg, 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