Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, E (Ethan)

Chess SA id

103088405

FIDE id

Date of birth

2003-02-18 (Adult)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-05-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1126.9	1170.4	1119.6	1200
Raw rating	1126.9	1170.4	1119.6	1200
Weighted rating	1126.9	1170.4	1119.6	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	184	173	185.9	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1126.9	1170.4	1119.6	1200
Analysis
Rating	1126.9	1170.4	1119.6	1200
Raw rating	1126.9	1170.4	1119.6	1200
Weighted rating	1126.9	1170.4	1119.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	184	173	185.9	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	1126.9	1170.4	1119.6	1200
New weighted rating	1126.9	1170.4	1119.6	1200
New weighted performance	0	0	0	0
Temp new rating	1126.9	1170.4	1119.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1126.9	1170.4	1119.6	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	17	5	12

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	5	45.45	-38.6	917.3	878.6
Standard	5	3	60	85	857.7	942.7
Rapid	6	2	33.33	-141.7	966.9	825.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1126.9	1170.4	1119.6	1200
2025-09-01	1126.9	1170.4	1119.6	1200
2025-08-01	1126.9	1170.4	1119.6	1200
2025-07-01	1126.9	1170.4	1119.6	1200
2025-06-01	1126.9	1170.4	1119.6	1200
2025-05-01	1126.9	1170.4	1119.6	1200
2025-04-01	1126.9	1170.4	1119.6	1200
2025-03-01	1126.9	1170.4	1119.6	1200
2025-02-01	1126.9	1170.4	1119.6	1200
2025-01-01	1126.9	1170.4	1119.6	1200
2024-12-01	1126.9	1170.4	1119.6	1200
2024-11-01	1126.9	1170.4	1119.6	1200
2024-10-01	1126.9	1170.4	1119.6	1200
2024-09-01	1126.9	1170.4	1119.6	1200
2024-08-01	1126.9	1170.4	1119.6	1200
2024-07-01	1126.9	1170.4	1119.6	1200
2024-06-01	1126.9	1170.4	1119.6	1200
2024-08-01	1126.9	1170.4	1119.6	1200
2024-04-01	1126.9	1170.4	1119.6	1200
2024-03-01	1126.9	1170.4	1119.6	1200
2024-02-01	1126.9	1170.4	1119.6	1200
2024-01-01	1126.9	1170.4	1119.6	1200
2023-12-01	1126.9	1170.4	1119.6	1200
2023-11-01	1126.9	1170.4	1119.6	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	Centenary Chess Tournament 2019 (High School)	2019-05-11	2019-05-11	Rapid	iLembe (KIK)	6	6	2	Yes	Analysis
2	Umhlali Preparatory Individuals 2018 (High School)	2018-03-17	2018-03-17	Standard	iLembe (KIK)	5	5	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament Centenary Chess Tournament 2019				Tournament Centenary Chess Tournament 2019
		date 2019-05-11	rnd 3	type Rapid	result 1	date 2019-05-11	rnd 4	type Rapid	result 1
		Opponent Zulu, F (Freeman)				Opponent Francis, SL (Simon)
2	2	Tournament Umhlali Preparatory Individuals 2018				Tournament Umhlali Preparatory Individuals 2018
		date 2018-03-17	rnd 3	type Standard	result 1	date 2018-03-17	rnd 4	type Standard	result 1
		Opponent Myeni, L (Lungani)				Opponent Venter, S (Shaun)
3	1	Tournament Umhlali Preparatory Individuals 2018				Tournament Umhlali Preparatory Individuals 2018
		date 2018-03-17	rnd 1	type Standard	result 1	date 2018-03-17	rnd 1	type Standard	result 1
		Opponent Venter, J (Justin)				Opponent Venter, J (Justin)

#	Games	Start				End
1	2	Tournament Umhlali Preparatory Individuals 2018				Tournament Umhlali Preparatory Individuals 2018
		date 2018-03-17	rnd 3	type Standard	result 1	date 2018-03-17	rnd 4	type Standard	result 1
		Opponent Myeni, L (Lungani)				Opponent Venter, S (Shaun)
2	1	Tournament Umhlali Preparatory Individuals 2018				Tournament Umhlali Preparatory Individuals 2018
		date 2018-03-17	rnd 1	type Standard	result 1	date 2018-03-17	rnd 1	type Standard	result 1
		Opponent Venter, J (Justin)				Opponent Venter, J (Justin)

#	Games	Start				End
1	2	Tournament Centenary Chess Tournament 2019				Tournament Centenary Chess Tournament 2019
		date 2019-05-11	rnd 3	type Rapid	result 1	date 2019-05-11	rnd 4	type Rapid	result 1
		Opponent Zulu, F (Freeman)				Opponent Francis, SL (Simon)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Centenary Chess Tournament 2019				Tournament Centenary Chess Tournament 2019
		date 2019-05-11	rnd 3	type Rapid	result 1	date 2019-05-11	rnd 4	type Rapid	result 1
		Opponent Zulu, F (Freeman)				Opponent Francis, SL (Simon)
2	2	Tournament Umhlali Preparatory Individuals 2018				Tournament Umhlali Preparatory Individuals 2018
		date 2018-03-17	rnd 3	type Standard	result 1	date 2018-03-17	rnd 4	type Standard	result 1
		Opponent Myeni, L (Lungani)				Opponent Venter, S (Shaun)
3	1	Tournament Umhlali Preparatory Individuals 2018				Tournament Umhlali Preparatory Individuals 2018
		date 2018-03-17	rnd 1	type Standard	result 1	date 2018-03-17	rnd 1	type Standard	result 1
		Opponent Venter, J (Justin)				Opponent Venter, J (Justin)

#	Games	Start				End
1	2	Tournament Umhlali Preparatory Individuals 2018				Tournament Umhlali Preparatory Individuals 2018
		date 2018-03-17	rnd 3	type Standard	result 1	date 2018-03-17	rnd 4	type Standard	result 1
		Opponent Myeni, L (Lungani)				Opponent Venter, S (Shaun)
2	1	Tournament Umhlali Preparatory Individuals 2018				Tournament Umhlali Preparatory Individuals 2018
		date 2018-03-17	rnd 1	type Standard	result 1	date 2018-03-17	rnd 1	type Standard	result 1
		Opponent Venter, J (Justin)				Opponent Venter, J (Justin)

#	Games	Start				End
1	2	Tournament Centenary Chess Tournament 2019				Tournament Centenary Chess Tournament 2019
		date 2019-05-11	rnd 3	type Rapid	result 1	date 2019-05-11	rnd 4	type Rapid	result 1
		Opponent Zulu, F (Freeman)				Opponent Francis, SL (Simon)

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	Venter ,S (Shaun)	2	1	0	1	1	425	1	0	-425	0	0	0
1	Venter ,S (Shaun)	2	531.3	531.3	1	500	956.3	1	500	106.3	0	0	0
2	Venter ,J (Justin)	2	1	0	1	1	425	1	0	-425	0	0	0
2	Venter ,J (Justin)	2	532.8	532.8	1	500	957.8	1	500	107.8	0	0	0
3	Myeni ,L (Lungani)	1	1	425	1	1	425	0	0	0	0	0	0
3	Myeni ,L (Lungani)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Cele ,K (Khetha)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Cele ,K (Khetha)	1	1153.3	728.3	1	1153.3	728.3	0	0	0	0	0	0
5	Mkhwanazi ,A (Asanda)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mkhwanazi ,A (Asanda)	1	935	510	1	935	510	0	0	0	0	0	0
6	Francis ,SL (Simon)	1	1	425	0	0	0	1	1	425	0	0	0
6	Francis ,SL (Simon)	1	1164.1	1589.1	0	0	0	1	1200	1589.1	0	0	0
7	Somaru ,V (Vidur)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Somaru ,V (Vidur)	1	1156.8	731.8	0	0	0	1	1200	731.8	0	0	0
8	Zulu ,F (Freeman)	1	1	425	0	0	0	1	1	425	0	0	0
8	Zulu ,F (Freeman)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Scott ,T (Tristan)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Scott ,T (Tristan)	1	1152.4	727.4	0	0	0	1	1178.4	727.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Coetzee, 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