Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzer, E (Esther)

Chess SA id

2080314106

FIDE id

Date of birth

2008-11-19 (U18)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-06-21

Personal details last changed

2025-03-25

Junior GPX Games

Junior GPX Points

1177.6

Item	Main	Standard	Rapid	Blitz
Rating	1218.4	1221.9	1200	1200
Raw rating	1218.4	1221.9	1200	1200
Weighted rating	1206.6	1207.8	1200	1200
Weighted performance	0	0	0	0
Floor	718.4	721.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	161.5	160.7	165.8	165.8
Highest rating	1218.4 2025-07-01	1221.9 2025-07-01	1200 2025-02-01	1200 2025-02-01
Highest raw rating	1218.4 2025-07-01	1221.9 2025-07-01	1200 2025-02-01	1200 2025-02-01
Highest weighted rating	1202.7 2025-08-01	1203.2 2025-08-01	1200 2025-02-01	1200 2025-02-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1218.4	1221.9	1200	1200
Analysis
Rating	1218.4	1221.9	1200	1200
Raw rating	1218.4	1221.9	1200	1200
Weighted rating	1206.6	1207.8	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	718.4	721.9	700	700
Max/Min rating change allowed	161.5	160.7	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	1218.4	1221.9	1200	1200
New weighted rating	1207.7	1209.2	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1218.4	1221.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1218.4	1221.9	1200	1200
New K-factor	36	36	36	36
New floor	718.4	721.9	700	700

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

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-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	10	5	50	0	1178.7	1178.7
Standard	10	5	50	0	1178.7	1178.7
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	1178.7	1178.7
Standard	10	5	50	0	1178.7	1178.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1218.4	1221.9	1200	1200
2025-09-30	1218.4	1221.9	1200	1200
2025-09-01	1218.4	1221.9	1200	1200
2025-08-01	1218.4	1221.9	1200	1200
2025-07-01	1218.4	1221.9	1200	1200
2025-06-01	1199.8	1199.7	1200	1200
2025-05-01	1199.8	1199.7	1200	1200
2025-04-01	1199.8	1199.7	1200	1200
2025-03-01	1199.7	1199.6	1200	1200
2025-02-01	1197.9	1197.4	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Jacaranda Round Robin Open Chess Tournament (O)	2025-06-21	2025-06-21	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2025 Tshwane Chess OPEN Registration Tournament (C)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Jacaranda Round Robin Open Chess Tournament (O)	2025-06-21	2025-06-21	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2025 Tshwane Chess OPEN Registration Tournament (C)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 1	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Viljoen, R (Rouxle)				Opponent Jadezweni, T (Thato)
2	1	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 4	type Standard	result 1	date 2025-06-21	rnd 4	type Standard	result 1
		Opponent Temane, K (Kutlwano)				Opponent Temane, K (Kutlwano)
3	1	Tournament 2025 Tshwane Chess OPEN Registration Tournament				Tournament 2025 Tshwane Chess OPEN Registration Tournament
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-25	rnd 3	type Standard	result 1
		Opponent De Kock, L (Lana)				Opponent De Kock, L (Lana)

#	Games	Start				End
1	2	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 1	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Viljoen, R (Rouxle)				Opponent Jadezweni, T (Thato)
2	1	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 4	type Standard	result 1	date 2025-06-21	rnd 4	type Standard	result 1
		Opponent Temane, K (Kutlwano)				Opponent Temane, K (Kutlwano)
3	1	Tournament 2025 Tshwane Chess OPEN Registration Tournament				Tournament 2025 Tshwane Chess OPEN Registration Tournament
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-25	rnd 3	type Standard	result 1
		Opponent De Kock, L (Lana)				Opponent De Kock, L (Lana)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 1	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Viljoen, R (Rouxle)				Opponent Jadezweni, T (Thato)
2	1	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 4	type Standard	result 1	date 2025-06-21	rnd 4	type Standard	result 1
		Opponent Temane, K (Kutlwano)				Opponent Temane, K (Kutlwano)
3	1	Tournament 2025 Tshwane Chess OPEN Registration Tournament				Tournament 2025 Tshwane Chess OPEN Registration Tournament
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-25	rnd 3	type Standard	result 1
		Opponent De Kock, L (Lana)				Opponent De Kock, L (Lana)

#	Games	Start				End
1	2	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 1	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Viljoen, R (Rouxle)				Opponent Jadezweni, T (Thato)
2	1	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 4	type Standard	result 1	date 2025-06-21	rnd 4	type Standard	result 1
		Opponent Temane, K (Kutlwano)				Opponent Temane, K (Kutlwano)
3	1	Tournament 2025 Tshwane Chess OPEN Registration Tournament				Tournament 2025 Tshwane Chess OPEN Registration Tournament
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-25	rnd 3	type Standard	result 1
		Opponent De Kock, L (Lana)				Opponent De Kock, L (Lana)

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	De Kock ,L (Lana)	1	1	425	1	1	425	0	0	0	0	0	0
1	De Kock ,L (Lana)	1	1192.2	1617.2	1	1196.7	1617.2	0	0	0	0	0	0
2	Jadezweni ,T (Thato)	1	1	425	1	1	425	0	0	0	0	0	0
2	Jadezweni ,T (Thato)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	De Jager ,A (Anneke)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	De Jager ,A (Anneke)	1	1116.3	691.3	1	1113.3	691.3	0	0	0	0	0	0
4	De Jager ,K (Konrad)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	De Jager ,K (Konrad)	1	1139.9	714.9	1	1134.2	714.9	0	0	0	0	0	0
5	Bogaard ,A (Anneke)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Bogaard ,A (Anneke)	1	1139.1	714.1	1	1137.1	714.1	0	0	0	0	0	0
6	Maree ,M (Morgan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Maree ,M (Morgan)	1	1205.6	780.6	1	1197.5	780.6	0	0	0	0	0	0
7	Viljoen ,R (Rouxle)	1	1	425	1	1	425	0	0	0	0	0	0
7	Viljoen ,R (Rouxle)	1	1206.6	1631.6	1	1207.5	1631.6	0	0	0	0	0	0
8	Du Plessis ,L (Leopold)	1	1	425	1	1	425	0	0	0	0	0	0
8	Du Plessis ,L (Leopold)	1	1185.1	1610.1	1	1180.4	1610.1	0	0	0	0	0	0
9	Temane ,K (Kutlwano)	1	1	425	1	1	425	0	0	0	0	0	0
9	Temane ,K (Kutlwano)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Strydom ,D (Duncan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Strydom ,D (Duncan)	1	1201.7	776.7	1	1204.8	776.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Coetzer, E (Esther)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms