Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, E (Erik)

Chess SA id

1040133915

FIDE id

Date of birth

2004-02-24 (Adult)

Gender

Male

Region

Pixley-ka-Seme (NCP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2021-10-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1223.1	1220.9	1200	1200
Raw rating	1223.1	1220.9	1200	1200
Weighted rating	1223.1	1220.9	1200	1200
Weighted performance	582.4	581.1	0	0
Floor	749.1	752.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.4	161	165.8	165.8
Highest rating	1348.9 2021-03-01	1340.3 2021-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1249.1 2021-09-01	1252.9 2021-09-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1249.1 2022-09-01	1252.9 2022-07-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1348.9 2021-03-01	1340.3 2021-03-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1223.1	1220.9	1200	1200
Analysis
Rating	1223.1	1220.9	1200	1200
Raw rating	1223.1	1220.9	1200	1200
Weighted rating	1223.1	1220.9	1200
Weighted performance	582.4	581.1	0
K-factor	36	36	36	36
Floor	749.1	752.9	700	700
Max/Min rating change allowed	160.4	161	165.8	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	1223.1	1220.9	1200	1200
New weighted rating	1223.1	1220.9	1200	1200
New weighted performance	582	580.7	0	0
Temp new rating	1223.1	1220.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1223.1	1220.9	1200	1200
New K-factor	36	36	36	36
New floor	749.1	752.9	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	25	25
History	25	25

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Pixley-ka-Seme (NCP)
Province	Northern Cape (NC)
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	25	14	56	51	1198	1249
Standard	25	14	56	51	1198	1249
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1223.1	1220.9	1200	1200
2025-09-01	1223.1	1220.9	1200	1200
2025-08-01	1223.1	1220.9	1200	1200
2025-07-01	1223.1	1220.9	1200	1200
2025-06-01	1223.1	1220.9	1200	1200
2025-05-01	1223.1	1220.9	1200	1200
2025-04-01	1223.1	1220.9	1200	1200
2025-03-01	1223.1	1220.9	1200	1200
2025-02-01	1223.1	1220.9	1200	1200
2025-01-01	1223.1	1220.9	1200	1200
2024-12-01	1223.1	1220.9	1200	1200
2024-11-01	1223.1	1220.9	1200	1200
2024-10-01	1223.1	1220.9	1200	1200
2024-09-01	1223.1	1220.9	1200	1200
2024-08-01	1223.1	1220.9	1200	1200
2024-07-01	1223.1	1220.9	1200	1200
2024-06-01	1223.1	1220.9	1200	1200
2024-08-01	1223.1	1220.9	1200	1200
2024-04-01	1223.1	1220.9	1200	1200
2024-03-01	1223.1	1220.9	1200	1200
2024-02-01	1223.1	1220.9	1200	1200
2024-01-01	1223.1	1220.9	1200	1200
2023-12-01	1223.1	1220.9	1200	1200
2023-11-01	1223.1	1220.9	1200	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	NC Open 2021 (C)	2021-10-22	2021-10-23	Standard	Frances Baard (NCF)	5	5	2	Yes	Analysis
2	Northern Cape Women`s Open 2021 (Males/Boys)	2021-08-21	2021-08-21	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
3	Pixley Chess Open 2021 (U18-Open)	2021-05-15	2021-05-15	Standard	Pixley-ka-Seme (NCP)	5	5	3	Yes	Analysis
4	Pixley Chess Open 2021	2021-03-27	2021-03-27	Standard	Pixley-ka-Seme (NCP)	5	5	4	Yes	Analysis
5	Northern Cape Open Fundraiser 2021 (B)	2021-03-20	2021-03-20	Standard	Frances Baard (NCF)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Pixley Chess Open 2021				Tournament Pixley Chess Open 2021
		date 2021-03-27	rnd 2	type Standard	result 1	date 2021-03-27	rnd 5	type Standard	result 1
		Opponent Peters, C (Chante)				Opponent Van Der Merwe, W (Waldo)
2	2	Tournament Northern Cape Women`s Open 2021				Tournament Northern Cape Women`s Open 2021
		date 2021-08-21	rnd 4	type Standard	result 1	date 2021-08-21	rnd 5	type Standard	result 1
		Opponent Simango, S (Selso)				Opponent Matika, L (Lonwabo)
3	2	Tournament Pixley Chess Open 2021				Tournament Northern Cape Women`s Open 2021
		date 2021-05-15	rnd 5	type Standard	result 1	date 2021-08-21	rnd 1	type Standard	result 1
		Opponent Ligotho, J (Joseph)				Opponent Grove, E (Enrique)

#	Games	Start				End
1	4	Tournament Pixley Chess Open 2021				Tournament Pixley Chess Open 2021
		date 2021-03-27	rnd 2	type Standard	result 1	date 2021-03-27	rnd 5	type Standard	result 1
		Opponent Peters, C (Chante)				Opponent Van Der Merwe, W (Waldo)
2	2	Tournament Northern Cape Women`s Open 2021				Tournament Northern Cape Women`s Open 2021
		date 2021-08-21	rnd 4	type Standard	result 1	date 2021-08-21	rnd 5	type Standard	result 1
		Opponent Simango, S (Selso)				Opponent Matika, L (Lonwabo)
3	2	Tournament Pixley Chess Open 2021				Tournament Northern Cape Women`s Open 2021
		date 2021-05-15	rnd 5	type Standard	result 1	date 2021-08-21	rnd 1	type Standard	result 1
		Opponent Ligotho, J (Joseph)				Opponent Grove, E (Enrique)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Pixley Chess Open 2021				Tournament Pixley Chess Open 2021
		date 2021-03-27	rnd 2	type Standard	result 1	date 2021-03-27	rnd 5	type Standard	result 1
		Opponent Peters, C (Chante)				Opponent Van Der Merwe, W (Waldo)
2	2	Tournament Northern Cape Women`s Open 2021				Tournament Northern Cape Women`s Open 2021
		date 2021-08-21	rnd 4	type Standard	result 1	date 2021-08-21	rnd 5	type Standard	result 1
		Opponent Simango, S (Selso)				Opponent Matika, L (Lonwabo)
3	2	Tournament Pixley Chess Open 2021				Tournament Northern Cape Women`s Open 2021
		date 2021-05-15	rnd 5	type Standard	result 1	date 2021-08-21	rnd 1	type Standard	result 1
		Opponent Ligotho, J (Joseph)				Opponent Grove, E (Enrique)

#	Games	Start				End
1	4	Tournament Pixley Chess Open 2021				Tournament Pixley Chess Open 2021
		date 2021-03-27	rnd 2	type Standard	result 1	date 2021-03-27	rnd 5	type Standard	result 1
		Opponent Peters, C (Chante)				Opponent Van Der Merwe, W (Waldo)
2	2	Tournament Northern Cape Women`s Open 2021				Tournament Northern Cape Women`s Open 2021
		date 2021-08-21	rnd 4	type Standard	result 1	date 2021-08-21	rnd 5	type Standard	result 1
		Opponent Simango, S (Selso)				Opponent Matika, L (Lonwabo)
3	2	Tournament Pixley Chess Open 2021				Tournament Northern Cape Women`s Open 2021
		date 2021-05-15	rnd 5	type Standard	result 1	date 2021-08-21	rnd 1	type Standard	result 1
		Opponent Ligotho, J (Joseph)				Opponent Grove, E (Enrique)

No games found.

#	Games	Start				End

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	Grove ,E (Enrique)	2	1	0	2	1	0	0	0	0	0	0	0
1	Grove ,E (Enrique)	2	1199.4	1199.4	2	1180.7	1199.4	0	0	0	0	0	0
2	Matika ,L (Lonwabo)	1	1	425	1	1	425	0	0	0	0	0	0
2	Matika ,L (Lonwabo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Tlhoaele ,G (Goboikanyo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Tlhoaele ,G (Goboikanyo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Msiza ,N (Ncebakazi)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Msiza ,N (Ncebakazi)	1	1176.4	751.4	1	1187.4	751.4	0	0	0	0	0	0
5	Boesak ,S (Siyabonga)	1	1	425	1	1	425	0	0	0	0	0	0
5	Boesak ,S (Siyabonga)	1	1225.5	1650.5	1	1207.9	1650.5	0	0	0	0	0	0
6	Pienaar ,D (David)	1	1	425	1	1	425	0	0	0	0	0	0
6	Pienaar ,D (David)	1	1108.7	1533.7	1	1091.6	1533.7	0	0	0	0	0	0
7	Rajabu ,P (Prince)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Rajabu ,P (Prince)	1	1227.2	802.2	1	1228.6	802.2	0	0	0	0	0	0
8	Ntanda ,N (Nkululeku)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Ntanda ,N (Nkululeku)	1	1022	597	1	1022	597	0	0	0	0	0	0
9	Jonker ,HD (Hendrik Dawson)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Jonker ,HD (Hendrik Dawson)	1	1149.3	724.3	1	1151.7	724.3	0	0	0	0	0	0
10	Van Der Merwe ,W (Waldo)	1	1	425	1	1	425	0	0	0	0	0	0
10	Van Der Merwe ,W (Waldo)	1	1148.4	1573.4	1	1138.9	1573.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Coetzee, E (Erik)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms