Chess South Africa Ratings Database

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Personal

Coetzee, E (Ewan)

Chess SA id

1080109633

FIDE id

Date of birth

2008-01-22 (U18)

Gender

Male

Region

West Coast (WCU)

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	1193.1	1169.4	1217	1200
Raw rating	1193.1	1169.4	1217	1200
Weighted rating	1193.1	1169.4	1217	1200
Weighted performance	0	0	0	0
Floor	745.1	721.2	744	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.5	173.2	161.8	165.8
Highest rating	1270.5 2019-02-01	1285.6 2019-02-01	1325 2019-02-01	1200 2018-10-01
Highest raw rating	1245.1 2019-03-01	1221.2 2019-03-01	1244 2020-01-01	1200 2024-02-01
Highest weighted rating	1245.1 2019-04-01	1221.2 2019-04-01	1244 2020-02-01	1200 2018-10-01
Highest weighted performance	1270.5 2019-02-01	1285.6 2019-02-01	1325 2019-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1193.1	1169.4	1217	1200
Analysis
Rating	1193.1	1169.4	1217	1200
Raw rating	1193.1	1169.4	1217	1200
Weighted rating	1193.1	1169.4	1217
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	745.1	721.2	744	700
Max/Min rating change allowed	167.5	173.2	161.8	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	1193.1	1169.4	1217	1200
New weighted rating	1193.1	1169.4	1217	1200
New weighted performance	0	0	0	0
Temp new rating	1193.1	1169.4	1217	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1193.1	1169.4	1217	1200
New K-factor	36	36	36	36
New floor	745.1	721.2	744	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	22	11	11

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	West Coast (WCU)
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	22	11.5	52.27	19.3	1176	1195.3
Standard	11	5	45.45	-38.6	1197.3	1158.7
Rapid	11	6.5	59.09	77.3	1154.7	1232
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1193.1	1169.4	1217	1200
2025-09-01	1193.1	1169.4	1217	1200
2025-08-01	1193.1	1169.4	1217	1200
2025-07-01	1193.1	1169.4	1217	1200
2025-06-01	1193.1	1169.4	1217	1200
2025-05-01	1193.1	1169.4	1217	1200
2025-04-01	1193.1	1169.4	1217	1200
2025-03-01	1193.1	1169.4	1217	1200
2025-02-01	1193.1	1169.4	1217	1200
2025-01-01	1193.1	1169.4	1217	1200
2024-12-01	1193.1	1169.4	1217	1200
2024-11-01	1193.1	1169.4	1217	1200
2024-10-01	1193.1	1169.4	1217	1200
2024-09-01	1193.1	1169.4	1217	1200
2024-08-01	1193.1	1169.4	1217	1200
2024-07-01	1193.1	1169.4	1217	1200
2024-06-01	1193.1	1169.4	1217	1200
2024-08-01	1193.1	1169.4	1217	1200
2024-04-01	1193.1	1169.4	1217	1200
2024-03-01	1193.1	1169.4	1217	1200
2024-02-01	1193.1	1169.4	1217	1200
2024-01-01	1193.1	1169.4	1217	1200
2023-12-01	1193.1	1169.4	1217	1200
2023-11-01	1193.1	1169.4	1217	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	Back to School Rapid 2020 (Boys)	2020-02-01	2020-02-01	Rapid	West Coast (WCU)	5	3	1	Yes	Analysis
2	West Coast Open 2019 (C)	2019-04-27	2019-04-27	Standard	West Coast (WCU)	5	0	0	No	Analysis
3	Weskus Skole Prestige Skaak Kampioenskappe 2019 (O11 Seuns)	2019-03-02	2019-04-06	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
4	St Helenabaai Open 2019 (U12)	2019-02-09	2019-02-09	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
5	Onder-Weskus Skole Proewe 2019 (O11 Seuns)	2019-02-16	2019-02-23	Rapid	West Coast (WCU)	8	8	5.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-16	rnd 3	type Rapid	result 0.5	date 2019-02-23	rnd 6	type Rapid	result 1
		Opponent Theron, W (Wian)				Opponent Ocks, K (Keano)
2	3	Tournament Onder-Weskus Skole Proewe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-02-23	rnd 8	type Rapid	result 1	date 2019-03-02	rnd 2	type Standard	result 1
		Opponent Conzalves, D (Damian)				Opponent Koegelenberg, L (Louw)
3	3	Tournament St Helenabaai Open 2019				Tournament St Helenabaai Open 2019
		date 2019-02-09	rnd 2	type Standard	result 1	date 2019-02-09	rnd 4	type Standard	result 1
		Opponent Pietersen, D (Dino)				Opponent Snyders, F (Franco)

#	Games	Start				End
1	3	Tournament St Helenabaai Open 2019				Tournament St Helenabaai Open 2019
		date 2019-02-09	rnd 2	type Standard	result 1	date 2019-02-09	rnd 4	type Standard	result 1
		Opponent Pietersen, D (Dino)				Opponent Snyders, F (Franco)
2	2	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-03-02	rnd 2	type Standard	result 1
		Opponent Van Wyk, C (Christiaan)				Opponent Koegelenberg, L (Louw)

#	Games	Start				End
1	4	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-16	rnd 3	type Rapid	result 0.5	date 2019-02-23	rnd 6	type Rapid	result 1
		Opponent Theron, W (Wian)				Opponent Ocks, K (Keano)
2	1	Tournament Back to School Rapid 2020				Tournament Back to School Rapid 2020
		date 2020-02-01	rnd 4	type Rapid	result 1	date 2020-02-01	rnd 4	type Rapid	result 1
		Opponent Mabaso, S (Sicelo)				Opponent Mabaso, S (Sicelo)
3	1	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-23	rnd 8	type Rapid	result 1	date 2019-02-23	rnd 8	type Rapid	result 1
		Opponent Conzalves, D (Damian)				Opponent Conzalves, D (Damian)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Onder-Weskus Skole Proewe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-02-23	rnd 8	type Rapid	result 1	date 2019-03-02	rnd 2	type Standard	result 1
		Opponent Conzalves, D (Damian)				Opponent Koegelenberg, L (Louw)
2	3	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-16	rnd 4	type Rapid	result 1	date 2019-02-23	rnd 6	type Rapid	result 1
		Opponent Abrahams, E (Ethan)				Opponent Ocks, K (Keano)
3	3	Tournament St Helenabaai Open 2019				Tournament St Helenabaai Open 2019
		date 2019-02-09	rnd 2	type Standard	result 1	date 2019-02-09	rnd 4	type Standard	result 1
		Opponent Pietersen, D (Dino)				Opponent Snyders, F (Franco)

#	Games	Start				End
1	3	Tournament St Helenabaai Open 2019				Tournament St Helenabaai Open 2019
		date 2019-02-09	rnd 2	type Standard	result 1	date 2019-02-09	rnd 4	type Standard	result 1
		Opponent Pietersen, D (Dino)				Opponent Snyders, F (Franco)
2	2	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-03-02	rnd 2	type Standard	result 1
		Opponent Van Wyk, C (Christiaan)				Opponent Koegelenberg, L (Louw)

#	Games	Start				End
1	3	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-16	rnd 4	type Rapid	result 1	date 2019-02-23	rnd 6	type Rapid	result 1
		Opponent Abrahams, E (Ethan)				Opponent Ocks, K (Keano)
2	1	Tournament Back to School Rapid 2020				Tournament Back to School Rapid 2020
		date 2020-02-01	rnd 4	type Rapid	result 1	date 2020-02-01	rnd 4	type Rapid	result 1
		Opponent Mabaso, S (Sicelo)				Opponent Mabaso, S (Sicelo)
3	1	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-23	rnd 8	type Rapid	result 1	date 2019-02-23	rnd 8	type Rapid	result 1
		Opponent Conzalves, D (Damian)				Opponent Conzalves, D (Damian)

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	Conzalves ,D (Damian)	2	1	0	1	0	-425	1	1	425	0	0	0
1	Conzalves ,D (Damian)	2	1199.2	1199.2	1	1200	774.2	1	1200	1624.2	0	0	0
2	Kameel ,L (Lindon)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Kameel ,L (Lindon)	1	1169.6	744.6	1	1138.6	744.6	0	0	0	0	0	0
3	Talmakkies ,A (Antonio)	1	1	425	1	1	425	0	0	0	0	0	0
3	Talmakkies ,A (Antonio)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Snyders ,F (Franco)	1	1	425	1	1	425	0	0	0	0	0	0
4	Snyders ,F (Franco)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Drennen ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Drennen ,L (Liam)	1	1219.2	794.2	1	1200	794.2	0	0	0	0	0	0
6	Van Wyk ,C (Christiaan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Van Wyk ,C (Christiaan)	1	1198.6	1623.6	1	1200	1623.6	0	0	0	0	0	0
7	Schroeder ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Schroeder ,L (Liam)	1	1141.7	716.7	1	1136	716.7	0	0	0	0	0	0
8	Koegelenberg ,L (Louw)	1	1	425	1	1	425	0	0	0	0	0	0
8	Koegelenberg ,L (Louw)	1	1179.8	1604.8	1	1101.3	1604.8	0	0	0	0	0	0
9	Lewaks ,S (Shaundre)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Lewaks ,S (Shaundre)	1	1285.8	860.8	1	1249.3	860.8	0	0	0	0	0	0
10	Kotze ,M (Maxwell)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Kotze ,M (Maxwell)	1	1177.7	752.7	1	1111.1	752.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Coetzee, E (Ewan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms