Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzer, E (Esther)

Chess SA id

2080314106

FIDE id

Date of birth

2008-11-19 (U20)

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

Item	Main	Standard	Rapid	Blitz
Rating	1218.4	1221.9	1200	1200
Raw rating	1218.4	1221.9	1200	1200
Weighted rating	1208.9	1210.6	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	1208.9	1210.6	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	1209.9	1211.8	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
2026-01-01	1218.4	1221.9	1200	1200
2025-11-30	1218.4	1221.9	1200	1200
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
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	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

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	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

Tournaments

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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