Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzer, E (Erik)

Chess SA id

105005295

FIDE id

Date of birth

2005-01-20 (Adult)

Gender

Male

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1136.4	1132.2	838.6	838.6
Raw rating	1136.4	1132.2	838.6	838.6
Weighted rating	1136.4	1132.2	838.6	838.6
Weighted performance	297.6	296.5	0	0
Floor	648.4	644.1	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	181.5	182.6	277.5	277.5
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1148.4 2020-02-01	1144.1 2020-02-01	838.6 2024-02-01	838.6 2024-02-01
Highest weighted rating	1148.4 2024-11-01	1144.1 2024-11-01	838.6 2024-11-01	838.6 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1136.4	1132.2	838.6	838.6
Analysis
Rating	1136.4	1132.2	838.6	838.6
Raw rating	1136.4	1132.2	838.6	838.6
Weighted rating	1136.4	1132.2	838.6
Weighted performance	297.6	296.5	0
K-factor	40	40	40	40
Floor	648.4	644.1	500	500
Max/Min rating change allowed	181.5	182.6	277.5	277.5
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	1136.4	1132.2	838.6	838.6
New weighted rating	1136.4	1132.2	838.6	838.6
New weighted performance	297.2	296.1	0	0
Temp new rating	1136.4	1132.2	838.6	838.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1136.4	1132.2	838.6	838.6
New K-factor	40	40	40	40
New floor	648.4	644.1	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	226	221	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Dr Kenneth Kaunda (NWP)
Province	Northwest (NW)
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	74	35.5	47.97	-17.2	1047.7	1030.4
Standard	74	35.5	47.97	-17.2	1047.7	1030.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1136.4	1132.2	838.6	838.6
2025-09-01	1136.4	1132.2	838.6	838.6
2025-08-01	1136.4	1132.2	838.6	838.6
2025-07-01	1136.4	1132.2	838.6	838.6
2025-06-01	1136.4	1132.2	838.6	838.6
2025-05-01	1136.4	1132.2	838.6	838.6
2025-04-01	1136.4	1132.2	838.6	838.6
2025-03-01	1136.4	1132.2	838.6	838.6
2025-02-01	1136.4	1132.2	838.6	838.6
2025-01-01	1136.4	1132.2	838.6	838.6
2024-12-01	1136.4	1132.2	838.6	838.6
2024-11-01	1136.4	1132.2	838.6	838.6
2024-10-01	1136.4	1132.2	838.6	838.6
2024-09-01	1136.4	1132.2	838.6	838.6
2024-08-01	1136.4	1132.2	838.6	838.6
2024-07-01	1136.4	1132.2	838.6	838.6
2024-06-01	1136.4	1132.2	838.6	838.6
2024-08-01	1136.4	1132.2	838.6	838.6
2024-04-01	1136.4	1132.2	838.6	838.6
2024-03-01	1136.4	1132.2	838.6	838.6
2024-02-01	1136.4	1132.2	838.6	838.6
2024-01-01	1136.4	1132.2	838.6	838.6
2023-12-01	1136.4	1132.2	838.6	838.6
2023-11-01	1136.4	1132.2	838.6	838.6

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	Gimnasium 2020 (U16)	2020-02-01	2020-02-01	Standard	Dr Kenneth Kaunda (NWP)	5	2	0	Yes	Analysis
2	2019 South African Junior Team Championships (U16C)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
3	Matlosana Test 2019 (B)	2019-12-07	2019-12-07	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
4	Proewe 2019 (U16)	2019-08-03	2019-08-03	Standard	Dr Kenneth Kaunda (NWP)	5	5	3.5	Yes	Analysis
5	Wesvalia 2019 (B)	2019-02-16	2019-02-16	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
6	Volkskool 2019 (U16)	2019-02-02	2019-02-02	Standard	Dr Kenneth Kaunda (NWP)	5	5	3.5	Yes	Analysis
7	South African Junior Team Championships 2018 (U14B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	1	Yes	Analysis
8	Strathvaal 2018 (C)	2018-11-03	2018-11-03	Standard	Dr Kenneth Kaunda (NWP)	5	4	1	Yes	Analysis
9	Matlosana Mall 2018 (C)	2018-10-20	2018-10-20	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
10	Boys and Girls 2018 (U14 Boys)	2018-08-25	2018-08-25	Standard	Dr Kenneth Kaunda (NWP)	5	3	1	Yes	Analysis
11	Driefontein Proewe 2018 (O14 Seuns)	2018-07-28	2018-07-28	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
12	Volkies 2018 (U14)	2018-05-12	2018-05-12	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
13	Hervormde Kerk 2018 (C)	2018-03-10	2018-03-10	Standard	Dr Kenneth Kaunda (NWP)	5	5	3.5	Yes	Analysis
14	Wesvalia 2018 (U14)	2018-02-17	2018-02-17	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
15	South African Junior Team Championships 2017 (U14A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	0	Yes	Analysis

#	Games	Start				End
1	6	Tournament Hervormde Kerk 2018				Tournament Volkies 2018
		date 2018-03-10	rnd 2	type Standard	result 0.5	date 2018-05-12	rnd 2	type Standard	result 1
		Opponent Roux, I (Ilse)				Opponent Kleynhans, TS (Tristian)
2	4	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-06	rnd 4	type Standard	result 0.5	date 2020-01-08	rnd 7	type Standard	result 0.5
		Opponent Luis, TJ (Thomas)				Opponent Khampepe, OJ (Olebogeng)
3	4	Tournament Proewe 2019				Tournament Proewe 2019
		date 2019-08-03	rnd 1	type Standard	result 1	date 2019-08-03	rnd 4	type Standard	result 0.5
		Opponent Keagile, L (Letlhogonolo)				Opponent Mathew, A (Asish)

#	Games	Start				End
1	6	Tournament Hervormde Kerk 2018				Tournament Volkies 2018
		date 2018-03-10	rnd 2	type Standard	result 0.5	date 2018-05-12	rnd 2	type Standard	result 1
		Opponent Roux, I (Ilse)				Opponent Kleynhans, TS (Tristian)
2	4	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-06	rnd 4	type Standard	result 0.5	date 2020-01-08	rnd 7	type Standard	result 0.5
		Opponent Luis, TJ (Thomas)				Opponent Khampepe, OJ (Olebogeng)
3	4	Tournament Proewe 2019				Tournament Proewe 2019
		date 2019-08-03	rnd 1	type Standard	result 1	date 2019-08-03	rnd 4	type Standard	result 0.5
		Opponent Keagile, L (Letlhogonolo)				Opponent Mathew, A (Asish)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Hervormde Kerk 2018				Tournament Volkies 2018
		date 2018-03-10	rnd 3	type Standard	result 1	date 2018-05-12	rnd 2	type Standard	result 1
		Opponent Pretorius, M (Martin)				Opponent Kleynhans, TS (Tristian)
2	4	Tournament Wesvalia 2018				Tournament Wesvalia 2018
		date 2018-02-17	rnd 1	type Standard	result 1	date 2018-02-17	rnd 4	type Standard	result 1
		Opponent Venter, H (Hanre)				Opponent Janse Van Rensburg, P (Philip)
3	3	Tournament Proewe 2019				Tournament Proewe 2019
		date 2019-08-03	rnd 1	type Standard	result 1	date 2019-08-03	rnd 3	type Standard	result 1
		Opponent Keagile, L (Letlhogonolo)				Opponent Saunderson, F (Fredricht)

#	Games	Start				End
1	5	Tournament Hervormde Kerk 2018				Tournament Volkies 2018
		date 2018-03-10	rnd 3	type Standard	result 1	date 2018-05-12	rnd 2	type Standard	result 1
		Opponent Pretorius, M (Martin)				Opponent Kleynhans, TS (Tristian)
2	4	Tournament Wesvalia 2018				Tournament Wesvalia 2018
		date 2018-02-17	rnd 1	type Standard	result 1	date 2018-02-17	rnd 4	type Standard	result 1
		Opponent Venter, H (Hanre)				Opponent Janse Van Rensburg, P (Philip)
3	3	Tournament Proewe 2019				Tournament Proewe 2019
		date 2019-08-03	rnd 1	type Standard	result 1	date 2019-08-03	rnd 3	type Standard	result 1
		Opponent Keagile, L (Letlhogonolo)				Opponent Saunderson, F (Fredricht)

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	Mfingwana ,N (Nasiphi)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
1	Mfingwana ,N (Nasiphi)	3	1028.3	1028.3	3	1030	1028.3	0	0	0	0	0	0
2	Mathew ,A (Asish)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
2	Mathew ,A (Asish)	2	1043.9	1256.4	2	1036.5	1256.4	0	0	0	0	0	0
3	Roux ,I (Ilse)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
3	Roux ,I (Ilse)	2	738.4	950.9	2	745.6	950.9	0	0	0	0	0	0
4	Aslett ,J (Juan-Naude)	2	1	0	2	1	0	0	0	0	0	0	0
4	Aslett ,J (Juan-Naude)	2	1111.9	1111.9	2	1113.9	1111.9	0	0	0	0	0	0
5	Ouwencamp ,DA (Dihan Andreas)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Ouwencamp ,DA (Dihan Andreas)	2	1029.7	604.7	2	1041.4	604.7	0	0	0	0	0	0
6	Saunderson ,F (Fredricht)	2	1	0	2	1	0	0	0	0	0	0	0
6	Saunderson ,F (Fredricht)	2	922.5	922.5	2	927.4	922.5	0	0	0	0	0	0
7	Handford ,C (Cassidy)	2	2	425	2	2	425	0	0	0	0	0	0
7	Handford ,C (Cassidy)	2	926	1351.1	2	904	1351.1	0	0	0	0	0	0
8	Viljoen ,J (Jaden)	2	1	0	2	1	0	0	0	0	0	0	0
8	Viljoen ,J (Jaden)	2	1289.8	1289.8	2	1287.7	1289.8	0	0	0	0	0	0
9	Hattingh ,CP (Carike)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Hattingh ,CP (Carike)	2	927.1	502.1	2	940.5	502.1	0	0	0	0	0	0
10	Cloete ,D (Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Cloete ,D (Daniel)	1	854.1	429.1	1	876.8	429.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Coetzer, 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