Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetsee, H (Hayley)

Chess SA id

2070130160

FIDE id

Date of birth

2007-09-24 (U20)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1078.9	1058.4	1200	1200
Raw rating	1078.9	1058.4	1200	1200
Weighted rating	1078.9	1058.4	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	197	202.9	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1078.9	1058.4	1200	1200
Analysis
Rating	1078.9	1058.4	1200	1200
Raw rating	1078.9	1058.4	1200	1200
Weighted rating	1078.9	1058.4	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	197	202.9	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	1078.9	1058.4	1200	1200
New weighted rating	1078.9	1058.4	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1078.9	1058.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1078.9	1058.4	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	15	15

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	Eden (WEG)
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	15	4.5	30	-170	1136.5	966.5
Standard	15	4.5	30	-170	1136.5	966.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1078.9	1058.4	1200	1200
2025-09-01	1078.9	1058.4	1200	1200
2025-08-01	1078.9	1058.4	1200	1200
2025-07-01	1078.9	1058.4	1200	1200
2025-06-01	1078.9	1058.4	1200	1200
2025-05-01	1078.9	1058.4	1200	1200
2025-04-01	1078.9	1058.4	1200	1200
2025-03-01	1078.9	1058.4	1200	1200
2025-02-01	1078.9	1058.4	1200	1200
2025-01-01	1078.9	1058.4	1200	1200
2024-12-01	1078.9	1058.4	1200	1200
2024-11-01	1078.9	1058.4	1200	1200
2024-10-01	1078.9	1058.4	1200	1200
2024-09-01	1078.9	1058.4	1200	1200
2024-08-01	1078.9	1058.4	1200	1200
2024-07-01	1078.9	1058.4	1200	1200
2024-06-01	1078.9	1058.4	1200	1200
2024-08-01	1078.9	1058.4	1200	1200
2024-04-01	1078.9	1058.4	1200	1200
2024-03-01	1078.9	1058.4	1200	1200
2024-02-01	1078.9	1058.4	1200	1200
2024-01-01	1078.9	1058.4	1200	1200
2023-12-01	1078.9	1058.4	1200	1200
2023-11-01	1078.9	1058.4	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	Eden Schools Closed Trials 1 2020 (U13 Girls)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	0.5	Yes	Analysis
2	Knysna School Trials Round 2 2020 (Juniors)	2020-02-22	2020-02-22	Standard	Eden (WEG)	5	5	3	Yes	Analysis
3	Knysna School Trials #1 2020	2020-01-25	2020-01-25	Standard	Eden (WEG)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Knysna School Trials Round 2 2020				Tournament Knysna School Trials Round 2 2020
		date 2020-02-22	rnd 4	type Standard	result 0.5	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Scholtz, C (Christiano)				Opponent Kuvaoga, A (Angel)
2	2	Tournament Knysna School Trials Round 2 2020				Tournament Knysna School Trials Round 2 2020
		date 2020-02-22	rnd 1	type Standard	result 0.5	date 2020-02-22	rnd 2	type Standard	result 1
		Opponent Phillips, L (Leighton)				Opponent Groenewald, R (Rene)
3	1	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 5	type Standard	result 0.5	date 2020-03-07	rnd 5	type Standard	result 0.5
		Opponent Smith, A (Angelica)				Opponent Smith, A (Angelica)

#	Games	Start				End
1	2	Tournament Knysna School Trials Round 2 2020				Tournament Knysna School Trials Round 2 2020
		date 2020-02-22	rnd 4	type Standard	result 0.5	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Scholtz, C (Christiano)				Opponent Kuvaoga, A (Angel)
2	2	Tournament Knysna School Trials Round 2 2020				Tournament Knysna School Trials Round 2 2020
		date 2020-02-22	rnd 1	type Standard	result 0.5	date 2020-02-22	rnd 2	type Standard	result 1
		Opponent Phillips, L (Leighton)				Opponent Groenewald, R (Rene)
3	1	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 5	type Standard	result 0.5	date 2020-03-07	rnd 5	type Standard	result 0.5
		Opponent Smith, A (Angelica)				Opponent Smith, A (Angelica)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Knysna School Trials Round 2 2020				Tournament Knysna School Trials Round 2 2020
		date 2020-02-22	rnd 5	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Kuvaoga, A (Angel)				Opponent Kuvaoga, A (Angel)
2	1	Tournament Knysna School Trials Round 2 2020				Tournament Knysna School Trials Round 2 2020
		date 2020-02-22	rnd 2	type Standard	result 1	date 2020-02-22	rnd 2	type Standard	result 1
		Opponent Groenewald, R (Rene)				Opponent Groenewald, R (Rene)
3	1	Tournament Knysna School Trials #1 2020				Tournament Knysna School Trials #1 2020
		date 2020-01-25	rnd 3	type Standard	result 1	date 2020-01-25	rnd 3	type Standard	result 1
		Opponent Mey, A (Andre)				Opponent Mey, A (Andre)

#	Games	Start				End
1	1	Tournament Knysna School Trials Round 2 2020				Tournament Knysna School Trials Round 2 2020
		date 2020-02-22	rnd 5	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Kuvaoga, A (Angel)				Opponent Kuvaoga, A (Angel)
2	1	Tournament Knysna School Trials Round 2 2020				Tournament Knysna School Trials Round 2 2020
		date 2020-02-22	rnd 2	type Standard	result 1	date 2020-02-22	rnd 2	type Standard	result 1
		Opponent Groenewald, R (Rene)				Opponent Groenewald, R (Rene)
3	1	Tournament Knysna School Trials #1 2020				Tournament Knysna School Trials #1 2020
		date 2020-01-25	rnd 3	type Standard	result 1	date 2020-01-25	rnd 3	type Standard	result 1
		Opponent Mey, A (Andre)				Opponent Mey, A (Andre)

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	Bosman ,C (Conlyn)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Bosman ,C (Conlyn)	1	1202	777	1	1200.8	777	0	0	0	0	0	0
2	Phillips ,L (Leighton)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Phillips ,L (Leighton)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
3	Swart ,C (Calvin)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Swart ,C (Calvin)	1	1082.8	657.8	1	1066.9	657.8	0	0	0	0	0	0
4	Smith ,A (Angelica)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Smith ,A (Angelica)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
5	Van Rensburg ,J (Juane)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Van Rensburg ,J (Juane)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Scholtz ,C (Christiano)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Scholtz ,C (Christiano)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
7	Groenewald ,R (Rene)	1	1	425	1	1	425	0	0	0	0	0	0
7	Groenewald ,R (Rene)	1	1109.4	1534.4	1	1090.8	1534.4	0	0	0	0	0	0
8	Kuvaoga ,A (Angel)	1	1	425	1	1	425	0	0	0	0	0	0
8	Kuvaoga ,A (Angel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Vermeulen ,K (Kyle)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Vermeulen ,K (Kyle)	1	1027.1	602.1	1	1003.2	602.1	0	0	0	0	0	0
10	Botha ,J (Jo-Ray)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Botha ,J (Jo-Ray)	1	1138.2	713.2	1	1125.2	713.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Coetsee, H (Hayley)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms