Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, C (Chelsea)

Chess SA id

206075259

FIDE id

Date of birth

2006-11-19 (U20)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-09-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	860.8	748.4	681.7	500
Raw rating	860.8	748.4	681.7	500
Weighted rating	860.8	748.4	681	500
Weighted performance	478.7	312.3	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	268.8	315.5	347	449.5
Highest rating	1200 2024-11-01	1200 2024-11-01	1277.5 2022-03-01	1200 2024-03-01
Highest raw rating	860.8 2024-03-01	748.4 2024-03-01	681.7 2024-03-01	500 2024-03-01
Highest weighted rating	860.8 2024-11-01	748.4 2024-11-01	681.7 2024-11-01	500 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1277.5 2022-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	860.8	748.4	681.7	500
Analysis
Rating	860.8	748.4	681.7	500
Raw rating	860.8	748.4	681.7	500
Weighted rating	860.8	748.4	681
Weighted performance	478.7	312.3	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	268.8	315.5	347	449.5
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	860.8	748.4	681.7	500
New weighted rating	860.8	748.4	681.5	500
New weighted performance	478.3	312	0	0
Temp new rating	860.8	748.4	681.7	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	860.8	748.4	681.7	500
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	11	5	6
	0	0	0
History	70	64	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 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	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	34	11.5	33.82	-137.5	1163.6	1026.1
Standard	28	8.5	30.36	-167	1129.9	963
Rapid	6	3	50	0	1320.9	1320.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	860.8	748.4	681.7	500
2025-09-01	860.8	748.4	681.7	500
2025-08-01	860.8	748.4	681.7	500
2025-07-01	860.8	748.4	681.7	500
2025-06-01	860.8	748.4	681.7	500
2025-05-01	860.8	748.4	681.7	500
2025-04-01	860.8	748.4	681.7	500
2025-03-01	860.8	748.4	681.7	500
2025-02-01	860.8	748.4	681.7	500
2025-01-01	860.8	748.4	681.7	500
2024-12-01	860.8	748.4	681.7	500
2024-11-01	860.8	748.4	681.7	500
2024-10-01	860.8	748.4	681.7	500
2024-09-01	860.8	748.4	681.7	500
2024-08-01	860.8	748.4	681.7	500
2024-07-01	860.8	748.4	681.7	500
2024-06-01	860.8	748.4	681.7	500
2024-08-01	860.8	748.4	681.7	500
2024-04-01	860.8	748.4	681.7	500
2024-03-01	860.8	748.4	681.7	500
2024-02-01	860.8	748.4	681.7	500
2024-01-01	860.8	748.4	681.7	500
2023-12-01	860.8	748.4	618.8	500
2023-11-01	860.8	748.4	618.8	500

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	Western Cape Top Schools 2022 (U18 Girls)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
2	District North 2022 (U18)	2022-03-06	2022-03-06	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
3	Metro North Individual Trials 2020 (U15)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	0	0	No	Analysis
4	Western Cape Women`s Open 2019 (Prestige)	2019-03-08	2019-03-10	Standard	Cape Town (WCT)	6	6	0	Yes	Analysis
5	Western Cape Top Schools 2018 (U13 Girls)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
6	2018 WP Schools Closed Trials (U13 Girls)	2018-03-09	2018-03-10	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
7	District North Schools Chess Open Trials 2018 (U13)	2018-02-09	2018-02-10	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament District North Schools Chess Open Trials 2018				Tournament District North Schools Chess Open Trials 2018
		date 2018-02-09	rnd 2	type Standard	result 1	date 2018-02-10	rnd 4	type Standard	result 1
		Opponent Miller, H (Havilin)				Opponent Cronje, C (Christiaan)
2	2	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-25	rnd 3	type Standard	result 1	date 2018-08-26	rnd 4	type Standard	result 1
		Opponent Ndavala, J (Jeffline)				Opponent Amsterdam, A (Amuscka)
3	1	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-17	rnd 5	type Standard	result 1	date 2022-09-17	rnd 5	type Standard	result 1
		Opponent September, C (Culshum)				Opponent September, C (Culshum)

#	Games	Start				End
1	3	Tournament District North Schools Chess Open Trials 2018				Tournament District North Schools Chess Open Trials 2018
		date 2018-02-09	rnd 2	type Standard	result 1	date 2018-02-10	rnd 4	type Standard	result 1
		Opponent Miller, H (Havilin)				Opponent Cronje, C (Christiaan)
2	2	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-25	rnd 3	type Standard	result 1	date 2018-08-26	rnd 4	type Standard	result 1
		Opponent Ndavala, J (Jeffline)				Opponent Amsterdam, A (Amuscka)
3	1	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-17	rnd 5	type Standard	result 1	date 2022-09-17	rnd 5	type Standard	result 1
		Opponent September, C (Culshum)				Opponent September, C (Culshum)

#	Games	Start				End
1	1	Tournament District North 2022				Tournament District North 2022
		date 2022-03-06	rnd 5	type Rapid	result 1	date 2022-03-06	rnd 5	type Rapid	result 1
		Opponent Naiker, T (Thivanya)				Opponent Naiker, T (Thivanya)
2	1	Tournament District North 2022				Tournament District North 2022
		date 2022-03-06	rnd 3	type Rapid	result 1	date 2022-03-06	rnd 3	type Rapid	result 1
		Opponent May, C (Cleo)				Opponent May, C (Cleo)
3	1	Tournament District North 2022				Tournament District North 2022
		date 2022-03-06	rnd 1	type Rapid	result 1	date 2022-03-06	rnd 1	type Rapid	result 1
		Opponent Mupita, M (Munashe)				Opponent Mupita, M (Munashe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-25	rnd 3	type Standard	result 1	date 2018-08-26	rnd 4	type Standard	result 1
		Opponent Ndavala, J (Jeffline)				Opponent Amsterdam, A (Amuscka)
2	1	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-17	rnd 5	type Standard	result 1	date 2022-09-17	rnd 5	type Standard	result 1
		Opponent September, C (Culshum)				Opponent September, C (Culshum)
3	1	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-17	rnd 2	type Standard	result 1	date 2022-09-17	rnd 2	type Standard	result 1
		Opponent Ekron, C (Ciara-Lynn)				Opponent Ekron, C (Ciara-Lynn)

#	Games	Start				End
1	2	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-25	rnd 3	type Standard	result 1	date 2018-08-26	rnd 4	type Standard	result 1
		Opponent Ndavala, J (Jeffline)				Opponent Amsterdam, A (Amuscka)
2	1	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-17	rnd 5	type Standard	result 1	date 2022-09-17	rnd 5	type Standard	result 1
		Opponent September, C (Culshum)				Opponent September, C (Culshum)
3	1	Tournament Western Cape Top Schools 2022				Tournament Western Cape Top Schools 2022
		date 2022-09-17	rnd 2	type Standard	result 1	date 2022-09-17	rnd 2	type Standard	result 1
		Opponent Ekron, C (Ciara-Lynn)				Opponent Ekron, C (Ciara-Lynn)

#	Games	Start				End
1	1	Tournament District North 2022				Tournament District North 2022
		date 2022-03-06	rnd 5	type Rapid	result 1	date 2022-03-06	rnd 5	type Rapid	result 1
		Opponent Naiker, T (Thivanya)				Opponent Naiker, T (Thivanya)
2	1	Tournament District North 2022				Tournament District North 2022
		date 2022-03-06	rnd 3	type Rapid	result 1	date 2022-03-06	rnd 3	type Rapid	result 1
		Opponent May, C (Cleo)				Opponent May, C (Cleo)
3	1	Tournament District North 2022				Tournament District North 2022
		date 2022-03-06	rnd 1	type Rapid	result 1	date 2022-03-06	rnd 1	type Rapid	result 1
		Opponent Mupita, M (Munashe)				Opponent Mupita, M (Munashe)

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	Maletta ,L (Legene)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Maletta ,L (Legene)	2	1289.2	864.2	2	1284.8	864.2	0	0	0	0	0	0
2	Amsterdam ,A (Amuscka)	2	1	0	2	1	0	0	0	0	0	0	0
2	Amsterdam ,A (Amuscka)	2	1083.4	1083.4	2	1087.2	1083.4	0	0	0	0	0	0
3	Jones ,A (Annchen)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Jones ,A (Annchen)	1	1255.3	830.3	1	1233.6	830.3	0	0	0	0	0	0
4	Keiso ,K (Katleho)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Keiso ,K (Katleho)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
5	Stephanus ,M (Melissa)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Stephanus ,M (Melissa)	1	1029.6	604.6	1	1027.6	604.6	0	0	0	0	0	0
6	Ndavala ,J (Jeffline)	1	1	425	1	1	425	0	0	0	0	0	0
6	Ndavala ,J (Jeffline)	1	1127.1	1552.1	1	1081.2	1552.1	0	0	0	0	0	0
7	Hove ,C (Chichi)	1	1	425	1	1	425	0	0	0	0	0	0
7	Hove ,C (Chichi)	1	1200.3	1625.3	1	1200.4	1625.3	0	0	0	0	0	0
8	Pienaar ,Z (Zandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Pienaar ,Z (Zandre)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Engel ,E (Emily)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Engel ,E (Emily)	1	1206.6	781.6	1	1208	781.6	0	0	0	0	0	0
10	Sibanda ,V (Vivian)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Sibanda ,V (Vivian)	1	1218.9	793.9	1	1221	793.9	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

Coetzee, C (Chelsea)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms