Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzer, E (Ethan)

Chess SA id

1100113477

FIDE id

Date of birth

2010-02-16 (U16)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1206.7	1210.4	1200	1200
Raw rating	1206.7	1210.4	1200	1200
Weighted rating	1206.7	1210.4	1200	1200
Weighted performance	0	0	0	0
Floor	706.7	710.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	164.2	163.4	165.8	165.8
Highest rating	1229.5 2019-08-01	1234.2 2019-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1206.7 2024-02-01	1210.4 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1206.7 2024-02-01	1210.4 2024-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1229.5 2019-08-01	1234.2 2019-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1206.7	1210.4	1200	1200
Analysis
Rating	1206.7	1210.4	1200	1200
Raw rating	1206.7	1210.4	1200	1200
Weighted rating	1206.7	1210.4	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	706.7	710.4	700	700
Max/Min rating change allowed	164.2	163.4	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	1206.7	1210.4	1200	1200
New weighted rating	1206.7	1210.4	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1206.7	1210.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1206.7	1210.4	1200	1200
New K-factor	36	36	36	36
New floor	706.7	710.4	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	10	5	50	0	1210.6	1210.6
Standard	10	5	50	0	1210.6	1210.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1206.7	1210.4	1200	1200
2025-09-30	1206.7	1210.4	1200	1200
2025-09-01	1206.7	1210.4	1200	1200
2025-08-01	1206.7	1210.4	1200	1200
2025-07-01	1206.7	1210.4	1200	1200
2025-06-01	1206.7	1210.4	1200	1200
2025-05-01	1206.7	1210.4	1200	1200
2025-04-01	1206.7	1210.4	1200	1200
2025-03-01	1206.7	1210.4	1200	1200
2025-02-01	1206.7	1210.4	1200	1200
2025-01-01	1206.7	1210.4	1200	1200
2024-12-01	1206.7	1210.4	1200	1200
2024-11-01	1206.7	1210.4	1200	1200
2024-10-01	1206.7	1210.4	1200	1200
2024-09-01	1206.7	1210.4	1200	1200
2024-08-01	1206.7	1210.4	1200	1200
2024-07-01	1206.7	1210.4	1200	1200
2024-09-01	1206.7	1210.4	1200	1200
2024-05-01	1206.7	1210.4	1200	1200
2024-04-01	1206.7	1210.4	1200	1200
2024-03-01	1206.7	1210.4	1200	1200
2024-02-01	1206.7	1210.4	1200	1200
2024-01-01	1206.7	1210.4	1200	1200
2023-12-01	1206.7	1210.4	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	2019 Gauteng School League Finals (U9 Open)	2019-08-23	2019-08-23	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	Ekurhuleni South School Chess 2019 (U9 Boys)	2019-05-11	2019-05-11	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 2	type Standard	result 1	date 2019-08-23	rnd 4	type Standard	result 1
		Opponent Dai, T (Talucia)				Opponent Mavunda, R (Rhulani)
2	1	Tournament Ekurhuleni South School Chess 2019				Tournament Ekurhuleni South School Chess 2019
		date 2019-05-11	rnd 3	type Standard	result 1	date 2019-05-11	rnd 3	type Standard	result 1
		Opponent Molefe, L (Lehlonono)				Opponent Molefe, L (Lehlonono)
3	1	Tournament Ekurhuleni South School Chess 2019				Tournament Ekurhuleni South School Chess 2019
		date 2019-05-11	rnd 1	type Standard	result 1	date 2019-05-11	rnd 1	type Standard	result 1
		Opponent Randlee, J (Joseph)				Opponent Randlee, J (Joseph)

#	Games	Start				End
1	3	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 2	type Standard	result 1	date 2019-08-23	rnd 4	type Standard	result 1
		Opponent Dai, T (Talucia)				Opponent Mavunda, R (Rhulani)
2	1	Tournament Ekurhuleni South School Chess 2019				Tournament Ekurhuleni South School Chess 2019
		date 2019-05-11	rnd 3	type Standard	result 1	date 2019-05-11	rnd 3	type Standard	result 1
		Opponent Molefe, L (Lehlonono)				Opponent Molefe, L (Lehlonono)
3	1	Tournament Ekurhuleni South School Chess 2019				Tournament Ekurhuleni South School Chess 2019
		date 2019-05-11	rnd 1	type Standard	result 1	date 2019-05-11	rnd 1	type Standard	result 1
		Opponent Randlee, J (Joseph)				Opponent Randlee, J (Joseph)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 2	type Standard	result 1	date 2019-08-23	rnd 4	type Standard	result 1
		Opponent Dai, T (Talucia)				Opponent Mavunda, R (Rhulani)
2	1	Tournament Ekurhuleni South School Chess 2019				Tournament Ekurhuleni South School Chess 2019
		date 2019-05-11	rnd 3	type Standard	result 1	date 2019-05-11	rnd 3	type Standard	result 1
		Opponent Molefe, L (Lehlonono)				Opponent Molefe, L (Lehlonono)
3	1	Tournament Ekurhuleni South School Chess 2019				Tournament Ekurhuleni South School Chess 2019
		date 2019-05-11	rnd 1	type Standard	result 1	date 2019-05-11	rnd 1	type Standard	result 1
		Opponent Randlee, J (Joseph)				Opponent Randlee, J (Joseph)

#	Games	Start				End
1	3	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 2	type Standard	result 1	date 2019-08-23	rnd 4	type Standard	result 1
		Opponent Dai, T (Talucia)				Opponent Mavunda, R (Rhulani)
2	1	Tournament Ekurhuleni South School Chess 2019				Tournament Ekurhuleni South School Chess 2019
		date 2019-05-11	rnd 3	type Standard	result 1	date 2019-05-11	rnd 3	type Standard	result 1
		Opponent Molefe, L (Lehlonono)				Opponent Molefe, L (Lehlonono)
3	1	Tournament Ekurhuleni South School Chess 2019				Tournament Ekurhuleni South School Chess 2019
		date 2019-05-11	rnd 1	type Standard	result 1	date 2019-05-11	rnd 1	type Standard	result 1
		Opponent Randlee, J (Joseph)				Opponent Randlee, J (Joseph)

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	Esterhuizen ,Z (Zane)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Esterhuizen ,Z (Zane)	1	1223.2	798.2	1	1227.2	798.2	0	0	0	0	0	0
2	Nash ,O (Owen)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Nash ,O (Owen)	1	1315.5	890.5	1	1309.1	890.5	0	0	0	0	0	0
3	Lutchman ,ST (Shailo Teash)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Lutchman ,ST (Shailo Teash)	1	1189	764	1	1185.2	764	0	0	0	0	0	0
4	Mulder ,J (Jayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mulder ,J (Jayden)	1	1226.1	801.1	1	1228	801.1	0	0	0	0	0	0
5	Molefe ,L (Lehlonono)	1	1	425	1	1	425	0	0	0	0	0	0
5	Molefe ,L (Lehlonono)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Mavunda ,R (Rhulani)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mavunda ,R (Rhulani)	1	1120.7	1545.7	1	1104	1545.7	0	0	0	0	0	0
7	Dai ,T (Talucia)	1	1	425	1	1	425	0	0	0	0	0	0
7	Dai ,T (Talucia)	1	1194.1	1619.1	1	1200	1619.1	0	0	0	0	0	0
8	Randlee ,J (Joseph)	1	1	425	1	1	425	0	0	0	0	0	0
8	Randlee ,J (Joseph)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Bonnin ,J (Juan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Bonnin ,J (Juan)	1	1185	760	1	1219.2	760	0	0	0	0	0	0
10	Du Toit ,B (Bernard)	1	1	425	1	1	425	0	0	0	0	0	0
10	Du Toit ,B (Bernard)	1	1252.3	1677.3	1	1264.3	1677.3	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

Coetzer, 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