Chess South Africa Ratings Database

PLAYER PAGE

Personal

Oosthuizen, A (Anke)

Chess SA id

209088973

FIDE id

Date of birth

2009-08-26 (U18)

Gender

Female

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1301	1254.4	1332.6	1200
Raw rating	1301	1254.4	1332.6	1200
Weighted rating	1298.1	1252.2	1332.5	1200
Weighted performance	996.5	962.5	942.8	0
Floor	828.8	771.1	832.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	143.6	153.5	137.3	165.8
Highest rating	1337.8 2023-04-01	1271.1 2024-04-01	1332.6 2024-03-01	1200 2018-10-01
Highest raw rating	1328.8 2024-03-01	1271.1 2024-04-01	1332.6 2024-03-01	1200 2024-03-01
Highest weighted rating	1328.8 2024-07-01	1271.1 2024-07-01	1332.4 2025-08-01	1200 2018-10-01
Highest weighted performance	1337.8 2023-04-01	1224.1 2024-03-01	1277.2 2023-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1301	1254.4	1332.6	1200
Analysis
Rating	1301	1254.4	1332.6	1200
Raw rating	1301	1254.4	1332.6	1200
Weighted rating	1298.1	1252.2	1332.5
Weighted performance	996.5	962.5	942.8
K-factor	36	36	36	36
Floor	828.8	771.1	832.6	700
Max/Min rating change allowed	143.6	153.5	137.3	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	1301	1254.4	1332.6	1200
New weighted rating	1298	1252	1332.5	1200
New weighted performance	996	962.1	942.3	0
Temp new rating	1301	1254.4	1332.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1301	1254.4	1332.6	1200
New K-factor	36	36	36	36
New floor	828.8	771.1	832.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	20	15	5
	21	11	10
	11	11	0
	10	0	10
History	160	130	30

Games since
	Main 20	Standard 15		Rapid 5		Blitz 0
Gender	Female
Age group	U18
Region	Overberg (WOS)
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	153	89.5	58.5	72.2	1160.2	1232.5
Standard	123	68.5	55.69	48.4	1143.4	1191.7
Rapid	30	21	70	170	1229.4	1399.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1301	1254.4	1332.6	1200
2025-09-01	1301	1254.4	1332.6	1200
2025-08-01	1301	1254.4	1332.6	1200
2025-07-01	1301	1254.4	1332.6	1200
2025-06-01	1301	1254.4	1332.6	1200
2025-05-01	1301	1254.4	1332.6	1200
2025-04-01	1301	1254.4	1332.6	1200
2025-03-01	1301	1254.4	1332.6	1200
2025-02-01	1300.1	1253.5	1332.6	1200
2025-01-01	1280.1	1235.8	1332.6	1200
2024-12-01	1280.1	1235.8	1332.6	1200
2024-11-01	1280.1	1235.8	1332.6	1200
2024-10-01	1280.1	1235.8	1332.6	1200
2024-09-01	1280.1	1235.8	1332.6	1200
2024-08-01	1280.1	1235.8	1332.6	1200
2024-07-01	1313	1271.1	1332.6	1200
2024-06-01	1313	1271.1	1332.6	1200
2024-08-01	1313	1271.1	1332.6	1200
2024-04-01	1313	1271.1	1332.6	1200
2024-03-01	1328.8	1270.4	1332.6	1200
2024-02-01	1323	1270.4	1329.4	1200
2024-01-01	1323	1270.4	1329.4	1200
2023-12-01	1323	1270.4	1329.4	1200
2023-11-01	1323	1270.4	1329.4	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	Overberg Schools - Top Schools 2024 (U18 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
2	Western Cape HS Individuals Championship 2024 (U15 Girls)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	3	Yes	Analysis
3	Overberg High Schools Trails 2024 (U15 Girls)	2024-03-02	2024-03-02	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
4	Overberg High Schools Trails 2024 (U15)	2024-02-24	2024-02-24	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
5	Western Cape HS Individuals 2023 (U15 Girls)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
6	Overberg High School Closed 2023 (U15 Girls)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
7	Overberg High Schools Trails 2023 (U15)	2023-02-24	2023-02-24	Rapid	Overberg (WOS)	5	5	4	Yes	Analysis
8	Overberg Schools Open Tournament 2023 (U14)	2023-02-11	2023-02-11	Rapid	Overberg (WOS)	5	5	4	Yes	Analysis
9	Western Cape Schools 2022 (U13 Girls)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
10	Overberg Primary Schools Closed 2022 (U13 Girls)	2022-03-12	2022-03-12	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
11	Western Cape Schools Championship 2021 (U13 Girls)	2021-10-02	2021-10-02	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
12	Overberg Schools Trials 2021 (U13)	2021-09-18	2021-09-18	Rapid	Overberg (WOS)	5	5	4	Yes	Analysis
13	Overberg Closed 2020 (U11 Girls)	2020-03-15	2020-03-15	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
14	OCF Open 2020 (U12)	2020-01-25	2020-01-25	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
15	Western Cape Top Schools 2019 (U11 Mix)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
16	Overberg Top Schools 2019 (U11)	2019-07-20	2019-07-20	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
17	Western Cape Schools Individuals 2019 (U11 Girls)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	4	Yes	Analysis
18	Trial 2 Teddy/Toy Tournament 2019 (U12)	2019-04-06	2019-04-06	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
19	2019 South African Junior Closed Chess Championship (U10 Girls)	2019-03-17	2019-03-22	Standard	Chess South Africa (CSA)	9	9	4	Yes	Analysis
20	Overberg School Chess Close Champs 2019 (U11 Girls)	2019-03-08	2019-03-09	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
21	Overberg First Trial 2019 (U12)	2019-02-23	2019-02-23	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
22	2018 Wild Card Chess Championships (U10 Girls)	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
23	South African Junior Team Championships 2018 (U10 Girls)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	4.5	Yes	Analysis
24	Caledon Open 2018 (U8+U10)	2018-09-29	2018-09-29	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
25	Overberg 3rd Trial 2018 (U10)	2018-05-26	2018-05-26	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
26	Overberg 2nd Trial 2018 (U10)	2018-05-05	2018-05-05	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
27	Western Cape Schools Individuals 2018 (U9 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	3	Yes	Analysis
28	Overberg Schools Closed 2018 (U9 Girls)	2018-03-23	2018-03-24	Standard	Overberg (WOS)	6	6	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Western Cape Top Schools 2019				Tournament OCF Open 2020
		date 2019-08-31	rnd 2	type Standard	result 1	date 2020-01-25	rnd 1	type Rapid	result 1
		Opponent Fielies, J (Jaden)				Opponent De Vyver, M (Michae)
2	5	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 1	type Standard	result 0.5	date 2018-12-18	rnd 5	type Standard	result 1
		Opponent Steyn, A (Amelia)				Opponent Botha, A (Ane)
3	4	Tournament Western Cape HS Individuals 2023				Tournament Western Cape HS Individuals 2023
		date 2023-04-01	rnd 2	type Standard	result 1	date 2023-04-02	rnd 5	type Standard	result 1
		Opponent Dyantyi, E (Enathi)				Opponent Afonso, IS (Isabella)

#	Games	Start				End
1	5	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 1	type Standard	result 0.5	date 2018-12-18	rnd 5	type Standard	result 1
		Opponent Steyn, A (Amelia)				Opponent Botha, A (Ane)
2	4	Tournament Western Cape HS Individuals 2023				Tournament Western Cape HS Individuals 2023
		date 2023-04-01	rnd 2	type Standard	result 1	date 2023-04-02	rnd 5	type Standard	result 1
		Opponent Dyantyi, E (Enathi)				Opponent Afonso, IS (Isabella)
3	4	Tournament Overberg Closed 2020				Tournament Overberg Primary Schools Closed 2022
		date 2020-03-15	rnd 5	type Standard	result 1	date 2022-03-12	rnd 3	type Standard	result 1
		Opponent Conradie, K (Karla)				Opponent Badenhorst, G (Gabrielle)

#	Games	Start				End
1	4	Tournament Overberg High Schools Trails 2023				Tournament Overberg High Schools Trails 2024
		date 2023-02-24	rnd 4	type Rapid	result 1	date 2024-02-24	rnd 2	type Rapid	result 1
		Opponent Uys, R (Riane)				Opponent Van Uytsel, H (Hanco)
2	4	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-24	rnd 2	type Rapid	result 1
		Opponent Van Uystel, H (Hanco)				Opponent Beveridge, J (Jesse)
3	4	Tournament OCF Open 2020				Tournament Overberg Schools Trials 2021
		date 2020-01-25	rnd 4	type Rapid	result 1	date 2021-09-18	rnd 2	type Rapid	result 1
		Opponent Van Der Merwe, J (Johannes)				Opponent Swart, A (Arnold)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Western Cape Top Schools 2019				Tournament OCF Open 2020
		date 2019-08-31	rnd 2	type Standard	result 1	date 2020-01-25	rnd 1	type Rapid	result 1
		Opponent Fielies, J (Jaden)				Opponent De Vyver, M (Michae)
2	4	Tournament Western Cape HS Individuals 2023				Tournament Western Cape HS Individuals 2023
		date 2023-04-01	rnd 2	type Standard	result 1	date 2023-04-02	rnd 5	type Standard	result 1
		Opponent Dyantyi, E (Enathi)				Opponent Afonso, IS (Isabella)
3	4	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-24	rnd 2	type Rapid	result 1
		Opponent Van Uystel, H (Hanco)				Opponent Beveridge, J (Jesse)

#	Games	Start				End
1	4	Tournament Western Cape HS Individuals 2023				Tournament Western Cape HS Individuals 2023
		date 2023-04-01	rnd 2	type Standard	result 1	date 2023-04-02	rnd 5	type Standard	result 1
		Opponent Dyantyi, E (Enathi)				Opponent Afonso, IS (Isabella)
2	4	Tournament Overberg Closed 2020				Tournament Overberg Primary Schools Closed 2022
		date 2020-03-15	rnd 5	type Standard	result 1	date 2022-03-12	rnd 3	type Standard	result 1
		Opponent Conradie, K (Karla)				Opponent Badenhorst, G (Gabrielle)
3	4	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-31	rnd 2	type Standard	result 1	date 2019-09-01	rnd 5	type Standard	result 1
		Opponent Fielies, J (Jaden)				Opponent Duiker, P (Phillip)

#	Games	Start				End
1	4	Tournament Overberg High Schools Trails 2023				Tournament Overberg High Schools Trails 2024
		date 2023-02-24	rnd 4	type Rapid	result 1	date 2024-02-24	rnd 2	type Rapid	result 1
		Opponent Uys, R (Riane)				Opponent Van Uytsel, H (Hanco)
2	4	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-24	rnd 2	type Rapid	result 1
		Opponent Van Uystel, H (Hanco)				Opponent Beveridge, J (Jesse)
3	4	Tournament OCF Open 2020				Tournament Overberg Schools Trials 2021
		date 2020-01-25	rnd 4	type Rapid	result 1	date 2021-09-18	rnd 2	type Rapid	result 1
		Opponent Van Der Merwe, J (Johannes)				Opponent Swart, A (Arnold)

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	Brink ,S (Samantha)	5	2	-85	5	2	-85	0	0	0	0	0	0
1	Brink ,S (Samantha)	5	1074	989	5	1041	989	0	0	0	0	0	0
2	Livi ,Z (Zininzi)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Livi ,Z (Zininzi)	3	1328.5	1186.8	3	1304.7	1186.8	0	0	0	0	0	0
3	Valentine ,L (Luke)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Valentine ,L (Luke)	3	1252.7	827.7	3	1223.4	827.7	0	0	0	0	0	0
4	Johnson ,L (Lakeisha)	3	0	-425	3	0	-425	0	0	0	0	0	0
4	Johnson ,L (Lakeisha)	3	1239.9	814.9	3	1230.5	814.9	0	0	0	0	0	0
5	Muller ,C (Christiaan)	3	0	-425	1	0	-425	2	0	-425	0	0	0
5	Muller ,C (Christiaan)	3	1169.4	744.4	1	842.6	744.4	2	992.1	744.4	0	0	0
6	Beukes ,L (Lanique)	3	3	425	1	1	425	2	2	425	0	0	0
6	Beukes ,L (Lanique)	3	1109.2	1534.2	1	898.1	1534.2	2	551.6	1534.2	0	0	0
7	Beveridge ,J (Jesse)	3	2	141.7	1	0	-425	2	2	425	0	0	0
7	Beveridge ,J (Jesse)	3	1143.1	1284.8	1	1198.8	718.1	2	1216.5	1568.1	0	0	0
8	Snyders ,M (Meya)	2	1	0	2	1	0	0	0	0	0	0	0
8	Snyders ,M (Meya)	2	1275.7	1275.7	2	1270.4	1275.7	0	0	0	0	0	0
9	Badenhorst ,G (Gabrielle)	2	1	0	2	1	0	0	0	0	0	0	0
9	Badenhorst ,G (Gabrielle)	2	1213.8	1213.8	2	1183.3	1213.8	0	0	0	0	0	0
10	Fouche ,E (Estelle)	2	2	425	2	2	425	0	0	0	0	0	0
10	Fouche ,E (Estelle)	2	993.2	1418.2	2	969	1418.2	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

Oosthuizen, A (Anke)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms