Chess South Africa Ratings Database

PLAYER PAGE

Personal

Joni, A (Ayakhe)

Chess SA id

2090130355

FIDE id

Date of birth

2009-08-04 (U18)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-07-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1056.8	1047.2	1125	1200
Raw rating	1056.8	1047.2	1125	1200
Weighted rating	1056.4	1047.2	1123.9	1200
Weighted performance	559.9	0	0	0
Floor	700	700	706.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	203.3	206.1	184.5	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1229.5 2022-03-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1206.8 2022-04-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1206.8 2023-07-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1229.5 2022-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1056.8	1047.2	1125	1200
Analysis
Rating	1056.8	1047.2	1125	1200
Raw rating	1056.8	1047.2	1125	1200
Weighted rating	1056.4	1047.2	1123.9
Weighted performance	559.9	0	0
K-factor	36	36	36	36
Floor	700	700	706.8	700
Max/Min rating change allowed	203.3	206.1	184.5	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	1056.8	1047.2	1125	1200
New weighted rating	1056.4	1047.2	1124	1200
New weighted performance	559.5	0	0	0
Temp new rating	1056.8	1047.2	1125	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1056.8	1047.2	1125	1200
New K-factor	36	36	36	36
New floor	700	700	706.8	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	4	0	4
	17	11	6
	0	0	0
History	32	22	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	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	32	9.5	29.69	-172.7	1201.5	1028.9
Standard	22	6.5	29.55	-173.9	1185.5	1011.6
Rapid	10	3	30	-170	1236.7	1066.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1056.8	1047.2	1125	1200
2025-09-01	1056.8	1047.2	1125	1200
2025-08-01	1056.8	1047.2	1125	1200
2025-07-01	1056.8	1047.2	1125	1200
2025-06-01	1056.8	1047.2	1125	1200
2025-05-01	1056.8	1047.2	1125	1200
2025-04-01	1056.8	1047.2	1125	1200
2025-03-01	1056.8	1047.2	1125	1200
2025-02-01	1056.8	1047.2	1125	1200
2025-01-01	1055.7	1047.2	1122.2	1200
2024-12-01	1055.7	1047.2	1122.2	1200
2024-11-01	1055.7	1047.2	1122.2	1200
2024-10-01	1055.7	1047.2	1122.2	1200
2024-09-01	1055.7	1047.2	1122.2	1200
2024-08-01	1055.7	1047.2	1122.2	1200
2024-07-01	1055.7	1047.2	1122.2	1200
2024-06-01	1055.7	1047.2	1122.2	1200
2024-08-01	1055.7	1047.2	1122.2	1200
2024-04-01	1055.7	1047.2	1122.2	1200
2024-03-01	1055.7	1047.2	1122.2	1200
2024-02-01	1055.7	1047.2	1122.2	1200
2024-01-01	1055.7	1047.2	1122.2	1200
2023-12-01	1055.7	1047.2	1122.2	1200
2023-11-01	1055.7	1047.2	1122.2	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	CT Metro District East Top Schools Chess 2023 (U15-U19 Girls)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	5	4	0	Yes	Analysis
2	Western Cape Top Schools 2022 (U13 Girls)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	1	Yes	Analysis
3	Metro WP Schools Chess Trials 2022 (U13 Girls)	2022-04-22	2022-04-23	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
4	2022 East Dist Individuals (U13)	2022-03-12	2022-03-12	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
5	2020 Metro Trials (U11 Girls)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	5	1	Yes	Analysis
6	2020 East District Individuals (U11)	2020-01-31	2020-02-01	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-12	rnd 1	type Rapid	result 1	date 2022-03-12	rnd 2	type Rapid	result 1
		Opponent Ngcobo, Z (Zethu)				Opponent Steyl, J (Julio)
2	2	Tournament 2020 East District Individuals				Tournament 2020 East District Individuals
		date 2020-02-01	rnd 3	type Standard	result 1	date 2020-02-01	rnd 4	type Standard	result 1
		Opponent Castlden, O (Olivia)				Opponent Mana, I (Indiphile)
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 Modak, Z (Zareen)				Opponent Modak, Z (Zareen)

#	Games	Start				End
1	2	Tournament 2020 East District Individuals				Tournament 2020 East District Individuals
		date 2020-02-01	rnd 3	type Standard	result 1	date 2020-02-01	rnd 4	type Standard	result 1
		Opponent Castlden, O (Olivia)				Opponent Mana, I (Indiphile)
2	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 Modak, Z (Zareen)				Opponent Modak, Z (Zareen)
3	1	Tournament Metro WP Schools Chess Trials 2022				Tournament Metro WP Schools Chess Trials 2022
		date 2022-04-23	rnd 5	type Standard	result 0.5	date 2022-04-23	rnd 5	type Standard	result 0.5
		Opponent Ngcobo, Z (Zethu)				Opponent Ngcobo, Z (Zethu)

#	Games	Start				End
1	2	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-12	rnd 1	type Rapid	result 1	date 2022-03-12	rnd 2	type Rapid	result 1
		Opponent Ngcobo, Z (Zethu)				Opponent Steyl, J (Julio)
2	1	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-12	rnd 4	type Rapid	result 1	date 2022-03-12	rnd 4	type Rapid	result 1
		Opponent Sitshogane, Z (Zindi)				Opponent Sitshogane, Z (Zindi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-12	rnd 1	type Rapid	result 1	date 2022-03-12	rnd 2	type Rapid	result 1
		Opponent Ngcobo, Z (Zethu)				Opponent Steyl, J (Julio)
2	2	Tournament 2020 East District Individuals				Tournament 2020 East District Individuals
		date 2020-02-01	rnd 3	type Standard	result 1	date 2020-02-01	rnd 4	type Standard	result 1
		Opponent Castlden, O (Olivia)				Opponent Mana, I (Indiphile)
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 Modak, Z (Zareen)				Opponent Modak, Z (Zareen)

#	Games	Start				End
1	2	Tournament 2020 East District Individuals				Tournament 2020 East District Individuals
		date 2020-02-01	rnd 3	type Standard	result 1	date 2020-02-01	rnd 4	type Standard	result 1
		Opponent Castlden, O (Olivia)				Opponent Mana, I (Indiphile)
2	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 Modak, Z (Zareen)				Opponent Modak, Z (Zareen)
3	1	Tournament Metro WP Schools Chess Trials 2022				Tournament Metro WP Schools Chess Trials 2022
		date 2022-04-23	rnd 3	type Standard	result 1	date 2022-04-23	rnd 3	type Standard	result 1
		Opponent Brewer, M (Mia)				Opponent Brewer, M (Mia)

#	Games	Start				End
1	2	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-12	rnd 1	type Rapid	result 1	date 2022-03-12	rnd 2	type Rapid	result 1
		Opponent Ngcobo, Z (Zethu)				Opponent Steyl, J (Julio)
2	1	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-12	rnd 4	type Rapid	result 1	date 2022-03-12	rnd 4	type Rapid	result 1
		Opponent Sitshogane, Z (Zindi)				Opponent Sitshogane, Z (Zindi)

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	Ngcobo ,Z (Zethu)	2	1.5	212.5	1	0.5	0	1	1	425	0	0	0
1	Ngcobo ,Z (Zethu)	2	1198.9	1411.4	1	1200	1198.9	1	1200	1623.9	0	0	0
2	Bothma ,T (Teagan)	1	1	425	1	1	425	0	0	0	0	0	0
2	Bothma ,T (Teagan)	1	1103.8	1528.8	1	1092	1528.8	0	0	0	0	0	0
3	Hagen ,S (Sophia)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Hagen ,S (Sophia)	1	1378	953	1	1357.8	953	0	0	0	0	0	0
4	Ngcobo ,Z (Zethu)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Ngcobo ,Z (Zethu)	1	1215.3	790.3	1	1228.4	790.3	0	0	0	0	0	0
5	Wewers ,I (Izelle)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Wewers ,I (Izelle)	1	1270	845	1	1279.5	845	0	0	0	0	0	0
6	Castlden ,O (Olivia)	1	1	425	1	1	425	0	0	0	0	0	0
6	Castlden ,O (Olivia)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Phetheni ,A (Axolisiwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Phetheni ,A (Axolisiwe)	1	1088.8	663.8	1	1051.6	663.8	0	0	0	0	0	0
8	Van Coller ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Van Coller ,L (Liam)	1	1220	795	1	1215.2	795	0	0	0	0	0	0
9	Reid ,H (Hannah)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Reid ,H (Hannah)	1	1188.5	763.5	1	1200	763.5	0	0	0	0	0	0
10	Jikajika ,I (Iminathi)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Jikajika ,I (Iminathi)	1	1198	773	1	1146.8	773	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Joni, A (Ayakhe)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms