Chess South Africa Ratings Database

PLAYER PAGE

Personal

van Heerden, A (Ashmilla)

Chess SA id

2120308646

FIDE id

Date of birth

2012-04-21 (U14)

Gender

Female

Region

Pixley-ka-Seme (NCP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1158.8	1153.1	1200	1200
Raw rating	1158.8	1153.1	1200	1200
Weighted rating	1154.9	1147.6	1200	1200
Weighted performance	965.6	961.8	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	175.8	177.3	165.8	165.8
Highest rating	1200 2024-08-01	1200 2024-08-01	1200 2024-08-01	1200 2024-08-01
Highest raw rating	1200 2024-08-01	1200 2024-08-01	1200 2024-08-01	1200 2024-08-01
Highest weighted rating	1200 2024-08-01	1200 2024-08-01	1200 2024-08-01	1200 2024-08-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-08-01	1200 2024-08-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1158.8	1153.1	1200	1200
Analysis
Rating	1158.8	1153.1	1200	1200
Raw rating	1158.8	1153.1	1200	1200
Weighted rating	1154.9	1147.6	1200
Weighted performance	965.6	961.8	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	175.8	177.3	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	1158.8	1153.1	1200	1200
New weighted rating	1154.4	1147.1	1200	1200
New weighted performance	965.2	961.4	0	0
Temp new rating	1158.8	1153.1	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1158.8	1153.1	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	5	5
	19	19
	0	0
	0	0
	0	0
History	24	24

Games since
	Main 24	Standard 24		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Pixley-ka-Seme (NCP)
Province	Northern Cape (NC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	5	2	40	-85	1242.1	1157.1
Standard	5	2	40	-85	1242.1	1157.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	24	7.5	31.25	-159.4	1207.6	1048.2
Standard	24	7.5	31.25	-159.4	1207.6	1048.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1158.8	1153.1	1200	1200
2025-09-01	1158.8	1153.1	1200	1200
2025-08-01	1160.9	1154.4	1200	1200
2025-07-01	1160.9	1154.4	1200	1200
2025-06-01	1160.9	1154.4	1200	1200
2025-05-01	1160.9	1154.4	1200	1200
2025-04-01	1160.9	1154.4	1200	1200
2025-03-01	1160.9	1154.4	1200	1200
2025-02-01	1158	1151.1	1200	1200
2025-01-01	1102.4	1086.2	1200	1200
2024-12-01	1102.4	1086.2	1200	1200
2024-11-01	1102.4	1086.2	1200	1200
2024-10-01	1102.4	1086.2	1200	1200
2024-09-01	1102.4	1086.2	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2023-11-01	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	De Aar Primary School 2025 (U14)	2025-08-16	2025-08-16	Standard	Pixley-ka-Seme (NCP)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	De Aar Primary School 2025 (U14)	2025-08-16	2025-08-16	Standard	Pixley-ka-Seme (NCP)	5	5	2	Yes	Analysis
2	Hopetown Schools Chess Tournament 2024 (U13)	2024-08-17	2024-08-17	Standard	Pixley-ka-Seme (NCP)	5	5	2.5	Yes	Analysis
3	2024 NC Closed Chess Championships (U14 Open)	2024-08-23	2024-08-25	Standard	Frances Baard (NCF)	5	0	0	No	Analysis
4	2024 NC Closed Chess Championships (U14 Girls)	2024-08-23	2024-08-25	Standard	Frances Baard (NCF)	5	5	1	Yes	Analysis
5	2024 Pixley Ka Seme Chess Schools Open 2 (U13)	2024-08-03	2024-08-03	Standard	Pixley-ka-Seme (NCP)	5	5	1	Yes	Analysis
6	2024 HSDA Open 3 (U13)	2024-07-27	2024-07-27	Standard	Pixley-ka-Seme (NCP)	5	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Hopetown Schools Chess Tournament 2024				Tournament Hopetown Schools Chess Tournament 2024
		date 2024-08-17	rnd 4	type Standard	result 1	date 2024-08-17	rnd 5	type Standard	result 1
		Opponent Mitchell, L (Leche)				Opponent Jobs, L (Lira)
2	2	Tournament 2024 HSDA Open 3				Tournament 2024 HSDA Open 3
		date 2024-07-27	rnd 4	type Standard	result 0.5	date 2024-07-27	rnd 5	type Standard	result 0.5
		Opponent Booysen, D (Dhesan)				Opponent Mitchell, L (Leche)
3	1	Tournament De Aar Primary School 2025				Tournament De Aar Primary School 2025
		date 2025-08-16	rnd 5	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Johannes, M (Manaschka)				Opponent Johannes, M (Manaschka)

#	Games	Start				End
1	2	Tournament Hopetown Schools Chess Tournament 2024				Tournament Hopetown Schools Chess Tournament 2024
		date 2024-08-17	rnd 4	type Standard	result 1	date 2024-08-17	rnd 5	type Standard	result 1
		Opponent Mitchell, L (Leche)				Opponent Jobs, L (Lira)
2	2	Tournament 2024 HSDA Open 3				Tournament 2024 HSDA Open 3
		date 2024-07-27	rnd 4	type Standard	result 0.5	date 2024-07-27	rnd 5	type Standard	result 0.5
		Opponent Booysen, D (Dhesan)				Opponent Mitchell, L (Leche)
3	1	Tournament De Aar Primary School 2025				Tournament De Aar Primary School 2025
		date 2025-08-16	rnd 5	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Johannes, M (Manaschka)				Opponent Johannes, M (Manaschka)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Hopetown Schools Chess Tournament 2024				Tournament Hopetown Schools Chess Tournament 2024
		date 2024-08-17	rnd 4	type Standard	result 1	date 2024-08-17	rnd 5	type Standard	result 1
		Opponent Mitchell, L (Leche)				Opponent Jobs, L (Lira)
2	1	Tournament De Aar Primary School 2025				Tournament De Aar Primary School 2025
		date 2025-08-16	rnd 5	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Johannes, M (Manaschka)				Opponent Johannes, M (Manaschka)
3	1	Tournament De Aar Primary School 2025				Tournament De Aar Primary School 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Van Pletzen, C (Carli)				Opponent Van Pletzen, C (Carli)

#	Games	Start				End
1	2	Tournament Hopetown Schools Chess Tournament 2024				Tournament Hopetown Schools Chess Tournament 2024
		date 2024-08-17	rnd 4	type Standard	result 1	date 2024-08-17	rnd 5	type Standard	result 1
		Opponent Mitchell, L (Leche)				Opponent Jobs, L (Lira)
2	1	Tournament De Aar Primary School 2025				Tournament De Aar Primary School 2025
		date 2025-08-16	rnd 5	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Johannes, M (Manaschka)				Opponent Johannes, M (Manaschka)
3	1	Tournament De Aar Primary School 2025				Tournament De Aar Primary School 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Van Pletzen, C (Carli)				Opponent Van Pletzen, C (Carli)

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	Mitchell ,L (Leche)	4	3.5	318.8	4	3.5	318.8	0	0	0	0	0	0
1	Mitchell ,L (Leche)	4	1158.7	1477.4	4	1150.8	1477.4	0	0	0	0	0	0
2	Matekwe ,E (Elsa)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Matekwe ,E (Elsa)	2	1123.8	698.8	2	1110.3	698.8	0	0	0	0	0	0
3	Finck ,SM (Sakura Marley)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Finck ,SM (Sakura Marley)	2	1202.3	777.3	2	1201.2	777.3	0	0	0	0	0	0
4	Ngudle ,CE (Caelyn Ebenezer)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Ngudle ,CE (Caelyn Ebenezer)	2	1282.6	857.6	2	1287.6	857.6	0	0	0	0	0	0
5	Kitengye ,A (Archange)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Kitengye ,A (Archange)	2	1318.5	893.5	2	1328.1	893.5	0	0	0	0	0	0
6	Mereekopane ,R (Reabetswe)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mereekopane ,R (Reabetswe)	1	1273.3	848.3	1	1241.7	848.3	0	0	0	0	0	0
7	Booysen ,D (Dhesan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Booysen ,D (Dhesan)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
8	Botha ,A (Ane)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Botha ,A (Ane)	1	1164.4	739.4	1	1176.3	739.4	0	0	0	0	0	0
9	Pretorius ,J (Johannes)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Pretorius ,J (Johannes)	1	1135.3	710.3	1	1129.1	710.3	0	0	0	0	0	0
10	Van Pletzen ,C (Carli)	1	1	425	1	1	425	0	0	0	0	0	0
10	Van Pletzen ,C (Carli)	1	1200.6	1625.6	1	1200.5	1625.6	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

van Heerden, A (Ashmilla)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms