Chess South Africa Ratings Database

PLAYER PAGE

Personal

Groenewald, A (Ancha)

Chess SA id

209087792

FIDE id

Date of birth

2009-09-24 (U18)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-04-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1382.6	1361.4	1388.6	500
Raw rating	1382.6	1361.4	1388.6	500
Weighted rating	1382.6	1361.4	1388.6	500
Weighted performance	927.2	919.2	767.8	0
Floor	908.5	896.2	888.6	500
K-factor	32	36	36	40
Min/Max rating change allowed	127.8	131.7	126.7	449.5
Highest rating	1424 2023-03-01	1411.5 2023-03-01	1388.6 2024-03-01	1200 2024-03-01
Highest raw rating	1408.5 2023-04-01	1396.2 2023-04-01	1388.6 2024-03-01	500 2024-03-01
Highest weighted rating	1408.5 2025-02-01	1396.2 2025-02-01	1388.6 2024-05-01	500 2024-11-01
Highest weighted performance	1424 2023-03-01	1411.5 2023-03-01	1387.5 2022-05-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1382.6	1361.4	1388.6	500
Analysis
Rating	1382.6	1361.4	1388.6	500
Raw rating	1382.6	1361.4	1388.6	500
Weighted rating	1382.6	1361.4	1388.6
Weighted performance	927.2	919.2	767.8
K-factor	32	36	36	40
Floor	908.5	896.2	888.6	500
Max/Min rating change allowed	127.8	131.7	126.7	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	1382.6	1361.4	1388.6	500
New weighted rating	1382.6	1361.4	1388.6	500
New weighted performance	919	911.1	759.5	0
Temp new rating	1382.6	1361.4	1388.6	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1382.6	1361.4	1388.6	500
New K-factor	32	36	36	40
New floor	908.5	896.2	888.6	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	16	16	0
	42	27	15
	10	0	10
History	217	133	84

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	199	132	66.33	138.8	1140.3	1279.1
Standard	121	74	61.16	94.8	1141.9	1236.8
Rapid	78	58	74.36	207.1	1137.8	1344.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1382.6	1361.4	1388.6	500
2025-09-30	1382.6	1361.4	1388.6	500
2025-09-01	1382.6	1361.4	1388.6	500
2025-08-01	1382.6	1361.4	1388.6	500
2025-07-01	1382.6	1361.4	1388.6	500
2025-06-01	1382.6	1361.4	1388.6	500
2025-05-01	1382.6	1361.4	1388.6	500
2025-04-01	1382.6	1361.4	1388.6	500
2025-03-01	1382.6	1361.4	1388.6	500
2025-02-01	1382.6	1361.4	1388.6	500
2025-01-01	1382.5	1361.3	1388.6	500
2024-12-01	1382.5	1361.3	1388.6	500
2024-11-01	1382.5	1361.3	1388.6	500
2024-10-01	1382.5	1361.3	1388.6	500
2024-09-01	1382.5	1361.3	1388.6	500
2024-08-01	1382.5	1361.3	1388.6	500
2024-07-01	1382.5	1361.3	1388.6	500
2024-09-01	1382.5	1361.3	1388.6	500
2024-05-01	1382.5	1361.3	1388.6	500
2024-04-01	1382.5	1361.3	1388.6	500
2024-03-01	1382.5	1361.3	1388.6	500
2024-02-01	1382.5	1361.3	1388.6	500
2024-01-01	1382.5	1361.3	1388.6	500
2023-12-01	1382.5	1361.3	1388.6	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 HS Individuals 2023 (U15 Girls)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
2	Cape Winelands Schools Prestige 2023 (U15 Girls)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	Cape Winelands Schools Chess - Trials 1 2023 (U15 Girls)	2023-02-25	2023-02-25	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
4	Robertson Strategema Club 2022 (U15)	2022-10-29	2022-10-29	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
5	Strategema 2022 (U15)	2022-09-10	2022-09-10	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
6	Western Cape Schools 2022 (U13 Girls)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
7	Strategema Chess Festival 2022 (U13 Girls)	2022-05-14	2022-05-14	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
8	McGregor Kings Chess Festival 2022 (U13)	2022-04-09	2022-04-09	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
9	Cape Winelands Schools 2022 (U13 Girls)	2022-03-12	2022-03-12	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
10	Lanfeberg Schools Chess Trials 2022 (U13 Girls)	2022-02-26	2022-02-26	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
11	2022 Cape Of Good Hope Open (U14)	2022-01-29	2022-01-30	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
12	Western Cape Schools Championship 2021 (U13 Girls)	2021-10-02	2021-10-02	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
13	Cape Winelands Schools Closed 2021 (U13 Girls)	2021-09-24	2021-09-24	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
14	Cape Winelands Schools Trials 1 2020 (U11 Girls)	2020-02-08	2020-02-08	Rapid	Cape Winelands (WCW)	6	6	4.5	Yes	Analysis
15	OCF Open 2020 (U12)	2020-01-25	2020-01-25	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
16	2019 South African Junior Team Championships (U12 Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	2	Yes	Analysis
17	2019 WP Youth Open (C)	2019-07-13	2019-07-13	Standard	Cape Town (WCT)	5	5	1.5	Yes	Analysis
18	South African Schools Individuals Chess Championships 2019 (U11 Girls)	2019-06-18	2019-06-21	Standard	Frances Baard (NCF)	7	7	5.5	Yes	Analysis
19	Western Cape Schools Individuals 2019 (U11 Girls)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	3	Yes	Analysis
20	Steinitz Chess Festival 2019 (C)	2019-04-05	2019-04-07	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
21	Cape Winelands Open 2019 (U12)	2019-04-27	2019-04-27	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
22	Cape Winelands Schools Closed 2019 (U11 Girls)	2019-03-16	2019-03-17	Standard	Cape Winelands (WCW)	7	7	6	Yes	Analysis
23	CW Schools Open 2019 (U11 Girls)	2019-02-02	2019-02-02	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
24	South African Junior Team Championships 2018 (U10 Girls)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	3.5	Yes	Analysis
25	ACL Chess Festival 2018 (U10)	2018-10-07	2018-10-07	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
26	Western Cape Kings & Queens 2018 (Girls)	2018-10-20	2018-10-20	Rapid	Cape Winelands (WCW)	5	5	5	Yes	Analysis
27	Strategema Robertson 2018 (U9)	2018-09-08	2018-09-08	Rapid	Cape Winelands (WCW)	7	5	3.5	Yes	Analysis
28	Stellenberg Youth Chess Champs 2018 (D)	2018-06-23	2018-06-23	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
29	Western Cape Schools Individuals 2018 (U9 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	5	Yes	Analysis
30	Inter Regional 2018 (U10 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	4	Yes	Analysis
31	Strategema Club 2018 (U10)	2018-03-10	2018-03-10	Rapid	Cape Winelands (WCW)	5	5	5	Yes	Analysis
32	Cape Winelands Schools Trials 1 2018 (U9 Girls)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
33	Cape Winelands Schools Prestige 2018 (U9 Girls)	2018-03-24	2018-03-25	Standard	Cape Winelands (WCW)	7	7	6	Yes	Analysis
34	North Boland Trials 2018 (U9 Girls)	2018-02-17	2018-02-17	Rapid	Cape Winelands (WCW)	5	5	5	Yes	Analysis
35	2018 Cape of Good Hope Open Chess Championships (U10)	2018-01-27	2018-01-27	Rapid	Cape Town (WCT)	6	5	3	Yes	Analysis
36	South African Junior Team Championships 2017 (U10 Girls)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis

#	Games	Start				End
1	10	Tournament 2018 Cape of Good Hope Open Chess Championships				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-01-27	rnd 5	type Rapid	result 1	date 2018-03-03	rnd 3	type Rapid	result 1
		Opponent Mashonganyika, T (Tadisaishe)				Opponent Roos, A (Aleza)
2	9	Tournament Strategema Club 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-10	rnd 1	type Rapid	result 1	date 2018-03-24	rnd 4	type Standard	result 1
		Opponent Harris, G (George)				Opponent Swarts, K (Kelly)
3	6	Tournament Cape Winelands Schools 2022				Tournament McGregor Kings Chess Festival 2022
		date 2022-03-12	rnd 4	type Standard	result 1	date 2022-04-09	rnd 4	type Rapid	result 1
		Opponent Clayton, M (Micah)				Opponent Manuel, C (Craig)

#	Games	Start				End
1	6	Tournament Inter Regional 2018				Tournament Western Cape Schools Individuals 2018
		date 2018-05-05	rnd 5	type Standard	result 1	date 2018-05-20	rnd 5	type Standard	result 1
		Opponent Nel, JB (Janko)				Opponent Ntlahla, A (Anathi)
2	6	Tournament South African Junior Team Championships 2017				Tournament Cape Winelands Schools Prestige 2018
		date 2018-01-07	rnd 6	type Standard	result 1	date 2018-03-24	rnd 4	type Standard	result 1
		Opponent Modisane, A (Atlegang)				Opponent Swarts, K (Kelly)
3	5	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-02-25	rnd 4	type Standard	result 1	date 2023-03-11	rnd 3	type Standard	result 1
		Opponent Hall, K (Kirsten)				Opponent Nortje, D (Dell-Maree)

#	Games	Start				End
1	10	Tournament 2018 Cape of Good Hope Open Chess Championships				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-01-27	rnd 5	type Rapid	result 1	date 2018-03-03	rnd 3	type Rapid	result 1
		Opponent Mashonganyika, T (Tadisaishe)				Opponent Roos, A (Aleza)
2	8	Tournament ACL Chess Festival 2018				Tournament CW Schools Open 2019
		date 2018-10-07	rnd 5	type Rapid	result 1	date 2019-02-02	rnd 2	type Rapid	result 1
		Opponent Jordaan, Z (Zander)				Opponent Anathi, N (Ntlahla)
3	8	Tournament Strategema Club 2018				Tournament Strategema Robertson 2018
		date 2018-03-10	rnd 1	type Rapid	result 1	date 2018-09-08	rnd 3	type Rapid	result 0.5
		Opponent Harris, G (George)				Opponent Moller, J (Johan-Zulch)

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament 2018 Cape of Good Hope Open Chess Championships				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-01-27	rnd 5	type Rapid	result 1	date 2018-03-03	rnd 3	type Rapid	result 1
		Opponent Mashonganyika, T (Tadisaishe)				Opponent Roos, A (Aleza)
2	9	Tournament Strategema Club 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-10	rnd 1	type Rapid	result 1	date 2018-03-24	rnd 4	type Standard	result 1
		Opponent Harris, G (George)				Opponent Swarts, K (Kelly)
3	6	Tournament Cape Winelands Schools 2022				Tournament McGregor Kings Chess Festival 2022
		date 2022-03-12	rnd 4	type Standard	result 1	date 2022-04-09	rnd 4	type Rapid	result 1
		Opponent Clayton, M (Micah)				Opponent Manuel, C (Craig)

#	Games	Start				End
1	6	Tournament Inter Regional 2018				Tournament Western Cape Schools Individuals 2018
		date 2018-05-05	rnd 5	type Standard	result 1	date 2018-05-20	rnd 5	type Standard	result 1
		Opponent Nel, JB (Janko)				Opponent Ntlahla, A (Anathi)
2	6	Tournament South African Junior Team Championships 2017				Tournament Cape Winelands Schools Prestige 2018
		date 2018-01-07	rnd 6	type Standard	result 1	date 2018-03-24	rnd 4	type Standard	result 1
		Opponent Modisane, A (Atlegang)				Opponent Swarts, K (Kelly)
3	5	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-02-25	rnd 4	type Standard	result 1	date 2023-03-11	rnd 3	type Standard	result 1
		Opponent Hall, K (Kirsten)				Opponent Nortje, D (Dell-Maree)

#	Games	Start				End
1	10	Tournament 2018 Cape of Good Hope Open Chess Championships				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-01-27	rnd 5	type Rapid	result 1	date 2018-03-03	rnd 3	type Rapid	result 1
		Opponent Mashonganyika, T (Tadisaishe)				Opponent Roos, A (Aleza)
2	8	Tournament ACL Chess Festival 2018				Tournament CW Schools Open 2019
		date 2018-10-07	rnd 5	type Rapid	result 1	date 2019-02-02	rnd 2	type Rapid	result 1
		Opponent Jordaan, Z (Zander)				Opponent Anathi, N (Ntlahla)
3	7	Tournament Strategema Club 2018				Tournament Strategema Robertson 2018
		date 2018-03-10	rnd 1	type Rapid	result 1	date 2018-09-08	rnd 2	type Rapid	result 1
		Opponent Harris, G (George)				Opponent Van Tonder, P (Pieter-Louw)

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	Erasmus ,A (Anneke)	8	3	-106.2	6	2	-141.7	2	1	0	0	0	0
1	Erasmus ,A (Anneke)	8	1333.8	1227.6	6	1305.4	1192.1	2	1271.5	1333.8	0	0	0
2	Johnson ,L (Lakeisha)	6	3	0	4	1	-212.5	2	2	425	0	0	0
2	Johnson ,L (Lakeisha)	6	1298.6	1298.6	4	1313.1	1086.1	2	1182	1723.6	0	0	0
3	Nortje ,D (Dell-Maree)	4	2	0	3	1	-141.7	1	1	425	0	0	0
3	Nortje ,D (Dell-Maree)	4	1050.9	1050.9	3	1111.5	909.3	1	674.4	1475.9	0	0	0
4	Neethling ,A (Ashrique)	4	3	212.5	3	2	141.7	1	1	425	0	0	0
4	Neethling ,A (Ashrique)	4	1186.8	1399.2	3	1190.9	1328.4	1	1157.2	1611.8	0	0	0
5	Buis ,J (Joane)	4	2	0	2	1	0	2	1	0	0	0	0
5	Buis ,J (Joane)	4	1222.5	1222.5	2	1222.3	1222.5	2	1186.3	1222.5	0	0	0
6	Albanie ,A (Anzelle)	4	4	425	1	1	425	3	3	425	0	0	0
6	Albanie ,A (Anzelle)	4	1177.8	1602.8	1	1200	1602.8	3	1239.9	1602.8	0	0	0
7	Mente ,L (Limi)	3	2	141.7	2	1	0	1	1	425	0	0	0
7	Mente ,L (Limi)	3	1148.8	1290.5	2	1142.8	1148.8	1	1152.2	1573.8	0	0	0
8	Segelaar ,R (Revean)	3	0.5	-283.3	1	0.5	0	2	0	-425	0	0	0
8	Segelaar ,R (Revean)	3	1318.1	1034.7	1	1306.3	1318.1	2	1382.8	893.1	0	0	0
9	Van Heerden ,H (Hannah Rose)	2	2	425	2	2	425	0	0	0	0	0	0
9	Van Heerden ,H (Hannah Rose)	2	1212.4	1637.4	2	1199.9	1637.4	0	0	0	0	0	0
10	Kana ,Z (Zaywon)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Kana ,Z (Zaywon)	2	1437.2	1012.2	2	1420.4	1012.2	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

Groenewald, A (Ancha)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms