Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jones, A (Annchen)

Chess SA id

210089020

FIDE id

Date of birth

2010-01-22 (U16)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-05-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1381.6	1364.2	1074.4	886
Raw rating	1381.6	1364.2	1074.4	886
Weighted rating	1381.6	1364.2	1074.4	886
Weighted performance	272.8	269.3	82.9	0
Floor	881.6	864.2	574.4	500
K-factor	36	36	40	40
Min/Max rating change allowed	128	131.2	198.3	259.4
Highest rating	1396.5 2019-05-01	1378.9 2019-05-01	1248.9 2018-01-01	1200 2024-03-01
Highest raw rating	1381.6 2024-03-01	1364.2 2024-03-01	1074.4 2024-03-01	886 2024-03-01
Highest weighted rating	1381.6 2024-03-01	1364.2 2024-03-01	1074.4 2024-11-01	886 2024-11-01
Highest weighted performance	1396.5 2019-05-01	1378.9 2019-05-01	1248.9 2018-01-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1381.6	1364.2	1074.4	886
Analysis
Rating	1381.6	1364.2	1074.4	886
Raw rating	1381.6	1364.2	1074.4	886
Weighted rating	1381.6	1364.2	1074.4
Weighted performance	272.8	269.3	82.9
K-factor	36	36	40	40
Floor	881.6	864.2	574.4	500
Max/Min rating change allowed	128	131.2	198.3	259.4
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	1381.6	1364.2	1074.4	886
New weighted rating	1381.6	1364.2	1074.4	886
New weighted performance	272.3	268.9	82.5	0
Temp new rating	1381.6	1364.2	1074.4	886
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1381.6	1364.2	1074.4	886
New K-factor	36	36	40	40
New floor	881.6	864.2	574.4	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	179	133	46

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	116	81	69.83	168.5	1041.8	1210.3
Standard	101	69.5	68.81	159.9	1046.7	1206.6
Rapid	15	11.5	76.67	226.7	1008.9	1235.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1381.6	1364.2	1074.4	886
2025-09-01	1381.6	1364.2	1074.4	886
2025-08-01	1381.6	1364.2	1074.4	886
2025-07-01	1381.6	1364.2	1074.4	886
2025-06-01	1381.6	1364.2	1074.4	886
2025-05-01	1381.6	1364.2	1074.4	886
2025-04-01	1381.6	1364.2	1074.4	886
2025-03-01	1381.6	1364.2	1074.4	886
2025-02-01	1381.6	1364.2	1074.4	886
2025-01-01	1381.6	1364.2	1074.4	886
2024-12-01	1381.6	1364.2	1074.4	886
2024-11-01	1381.6	1364.2	1074.4	886
2024-10-01	1381.6	1364.2	1074.4	886
2024-09-01	1381.6	1364.2	1074.4	886
2024-08-01	1381.6	1364.2	1074.4	886
2024-07-01	1381.6	1364.2	1074.4	886
2024-06-01	1381.6	1364.2	1074.4	886
2024-08-01	1381.6	1364.2	1074.4	886
2024-04-01	1381.6	1364.2	1074.4	886
2024-03-01	1381.6	1364.2	1074.4	886
2024-02-01	1381.6	1364.2	1074.4	886
2024-01-01	1381.6	1364.2	1074.4	886
2023-12-01	1381.6	1364.2	1074.4	886
2023-11-01	1381.6	1364.2	1074.4	886

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	Stellenberg Youth Chess Championship 2019 (E)	2019-05-01	2019-05-01	Standard	Cape Town (WCT)	5	4	4	Yes	Analysis
2	Western Cape Schools Individuals 2019 (U9 Girls)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	5	Yes	Analysis
3	Steinitz Chess Festival 2019 (B)	2019-04-05	2019-04-07	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
4	Metro School Chess Closed Individual Trials 2019 (U7+U9 Girls)	2019-03-01	2019-03-02	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
5	Western Cape Women`s Open 2019 (Prestige)	2019-03-08	2019-03-10	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
6	2019 Metro-East District Schools Trials (U9)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	5	5	Yes	Analysis
7	Western Cape Kings & Queens 2018 (Girls)	2018-10-20	2018-10-20	Rapid	Cape Winelands (WCW)	5	4	3	Yes	Analysis
8	Mossel Bay Open 2018 (B)	2018-09-28	2018-09-29	Standard	Eden (WEG)	6	6	4	Yes	Analysis
9	Paul Roos Open Championship 2018 (C)	2018-09-22	2018-09-23	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
10	Caledon Casino Open 2018 (U12)	2018-08-04	2018-08-04	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
11	Commonwealth Chess Championships 2018	2018-06-26	2018-07-01	Standard	India (IND)	7	7	3	Yes	Analysis
12	Western Cape Schools Individuals 2018 (U9 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	6	Yes	Analysis
13	Crossroads Open Chess Championship 2018 (C)	2018-04-27	2018-04-29	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
14	2018 South African Junior Closed Chess Championships (U8 Girls)	2018-04-01	2018-04-07	Standard	Chess South Africa (CSA)	11	11	9	Yes	Analysis
15	2018 WP Schools Closed Trials (U9 Girls)	2018-03-09	2018-03-10	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
16	2018 Western Province Open (C)	2018-03-02	2018-03-04	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
17	District East Schools Chess Open Trials 2018 (U9)	2018-02-02	2018-02-03	Standard	Cape Town (WCT)	6	5	4	Yes	Analysis
18	Welgemoed Chess Challenge 2018 (U10)	2018-02-24	2018-02-24	Rapid	Cape Town (WCT)	5	5	4	Yes	Analysis
19	2018 Cape of Good Hope Open Chess Championships (U10)	2018-01-27	2018-01-27	Rapid	Cape Town (WCT)	6	6	4.5	Yes	Analysis
20	South African Junior Team Championships 2017 (U8A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis

#	Games	Start				End
1	12	Tournament Western Cape Kings & Queens 2018				Tournament Metro School Chess Closed Individual Trials 2019
		date 2018-10-20	rnd 3	type Rapid	result 1	date 2019-03-02	rnd 5	type Standard	result 1
		Opponent Koko, A (Anisa)				Opponent Leenderts, S (Shanique)
2	9	Tournament Steinitz Chess Festival 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-04-07	rnd 5	type Standard	result 0.5	date 2019-05-18	rnd 3	type Standard	result 1
		Opponent Van Beeck, T (Trinity)				Opponent Van Niekerk, N (Nina)
3	8	Tournament Crossroads Open Chess Championship 2018				Tournament Commonwealth Chess Championships 2018
		date 2018-04-29	rnd 6	type Standard	result 1	date 2018-06-26	rnd 1	type Standard	result 1
		Opponent Nieuwoudt, N (Noreht)				Opponent Kolagatla Alana Meenakshi

#	Games	Start				End
1	10	Tournament 2019 Metro-East District Schools Trials				Tournament Metro School Chess Closed Individual Trials 2019
		date 2019-02-01	rnd 1	type Standard	result 1	date 2019-03-02	rnd 5	type Standard	result 1
		Opponent Bingold, V (Vincent)				Opponent Leenderts, S (Shanique)
2	9	Tournament Steinitz Chess Festival 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-04-07	rnd 5	type Standard	result 0.5	date 2019-05-18	rnd 3	type Standard	result 1
		Opponent Van Beeck, T (Trinity)				Opponent Van Niekerk, N (Nina)
3	8	Tournament Crossroads Open Chess Championship 2018				Tournament Commonwealth Chess Championships 2018
		date 2018-04-29	rnd 6	type Standard	result 1	date 2018-06-26	rnd 1	type Standard	result 1
		Opponent Nieuwoudt, N (Noreht)				Opponent Kolagatla Alana Meenakshi

#	Games	Start				End
1	4	Tournament 2018 Cape of Good Hope Open Chess Championships				Tournament Welgemoed Chess Challenge 2018
		date 2018-01-27	rnd 6	type Rapid	result 0.5	date 2018-02-24	rnd 3	type Rapid	result 1
		Opponent West, EC (Evan Charles)				Opponent Mapingana, A (Alakhe)
2	4	Tournament 2018 Cape of Good Hope Open Chess Championships				Tournament 2018 Cape of Good Hope Open Chess Championships
		date 2018-01-27	rnd 1	type Rapid	result 1	date 2018-01-27	rnd 4	type Rapid	result 1
		Opponent Edwards, I (Israel)				Opponent Reid, C (Christopher)
3	2	Tournament Western Cape Kings & Queens 2018				Tournament Western Cape Kings & Queens 2018
		date 2018-10-20	rnd 3	type Rapid	result 1	date 2018-10-20	rnd 4	type Rapid	result 1
		Opponent Koko, A (Anisa)				Opponent Pretorius, A (Amanda Karen)

No games found.

#	Games	Start				End

#	Games	Start				End
1	12	Tournament Western Cape Kings & Queens 2018				Tournament Metro School Chess Closed Individual Trials 2019
		date 2018-10-20	rnd 3	type Rapid	result 1	date 2019-03-02	rnd 5	type Standard	result 1
		Opponent Koko, A (Anisa)				Opponent Leenderts, S (Shanique)
2	8	Tournament Steinitz Chess Festival 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-04-07	rnd 6	type Standard	result 1	date 2019-05-18	rnd 3	type Standard	result 1
		Opponent Dicks, D (Drake)				Opponent Van Niekerk, N (Nina)
3	8	Tournament Crossroads Open Chess Championship 2018				Tournament Commonwealth Chess Championships 2018
		date 2018-04-29	rnd 6	type Standard	result 1	date 2018-06-26	rnd 1	type Standard	result 1
		Opponent Nieuwoudt, N (Noreht)				Opponent Kolagatla Alana Meenakshi

#	Games	Start				End
1	10	Tournament 2019 Metro-East District Schools Trials				Tournament Metro School Chess Closed Individual Trials 2019
		date 2019-02-01	rnd 1	type Standard	result 1	date 2019-03-02	rnd 5	type Standard	result 1
		Opponent Bingold, V (Vincent)				Opponent Leenderts, S (Shanique)
2	8	Tournament Steinitz Chess Festival 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-04-07	rnd 6	type Standard	result 1	date 2019-05-18	rnd 3	type Standard	result 1
		Opponent Dicks, D (Drake)				Opponent Van Niekerk, N (Nina)
3	8	Tournament Crossroads Open Chess Championship 2018				Tournament Commonwealth Chess Championships 2018
		date 2018-04-29	rnd 6	type Standard	result 1	date 2018-06-26	rnd 1	type Standard	result 1
		Opponent Nieuwoudt, N (Noreht)				Opponent Kolagatla Alana Meenakshi

#	Games	Start				End
1	4	Tournament 2018 Cape of Good Hope Open Chess Championships				Tournament 2018 Cape of Good Hope Open Chess Championships
		date 2018-01-27	rnd 1	type Rapid	result 1	date 2018-01-27	rnd 4	type Rapid	result 1
		Opponent Edwards, I (Israel)				Opponent Reid, C (Christopher)
2	3	Tournament Welgemoed Chess Challenge 2018				Tournament Welgemoed Chess Challenge 2018
		date 2018-02-24	rnd 1	type Rapid	result 1	date 2018-02-24	rnd 3	type Rapid	result 1
		Opponent Da Mata Rodrigues, S (Sebastian)				Opponent Mapingana, A (Alakhe)
3	2	Tournament Western Cape Kings & Queens 2018				Tournament Western Cape Kings & Queens 2018
		date 2018-10-20	rnd 3	type Rapid	result 1	date 2018-10-20	rnd 4	type Rapid	result 1
		Opponent Koko, A (Anisa)				Opponent Pretorius, A (Amanda Karen)

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	Van Schaik ,K (Kayla)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
1	Van Schaik ,K (Kayla)	4	1017.2	1229.8	4	995.7	1229.8	0	0	0	0	0	0
2	Dicks ,D (Drake)	2	1	0	2	1	0	0	0	0	0	0	0
2	Dicks ,D (Drake)	2	1212.6	1212.6	2	1206.4	1212.6	0	0	0	0	0	0
3	Roux ,J (Jarrod)	2	2	425	2	2	425	0	0	0	0	0	0
3	Roux ,J (Jarrod)	2	838.2	1263.2	2	830.6	1263.2	0	0	0	0	0	0
4	Nieuwoudt ,N (Noreht)	2	1	0	2	1	0	0	0	0	0	0	0
4	Nieuwoudt ,N (Noreht)	2	1065.2	1065.2	2	1015.6	1065.2	0	0	0	0	0	0
5	Reddy ,D (Deeya)	2	1	0	2	1	0	0	0	0	0	0	0
5	Reddy ,D (Deeya)	2	662.2	662.2	2	670.4	662.2	0	0	0	0	0	0
6	Van Heerden ,H (Hannah Rose)	2	2	425	2	2	425	0	0	0	0	0	0
6	Van Heerden ,H (Hannah Rose)	2	1207.8	1632.8	2	1204.4	1632.8	0	0	0	0	0	0
7	Van Beeck ,T (Trinity)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
7	Van Beeck ,T (Trinity)	2	1234.8	1022.3	2	1201.4	1022.3	0	0	0	0	0	0
8	Jacobs ,T (Teleah)	2	2	425	2	2	425	0	0	0	0	0	0
8	Jacobs ,T (Teleah)	2	1018.4	1443.4	2	1028.8	1443.4	0	0	0	0	0	0
9	Groenewald ,A (Ancha)	2	1	0	1	1	425	1	0	-425	0	0	0
9	Groenewald ,A (Ancha)	2	1239.2	1239.2	1	785.2	1664.2	1	1253.5	814.2	0	0	0
10	Pretorius ,A (Amanda Karen)	2	2	425	1	1	425	1	1	425	0	0	0
10	Pretorius ,A (Amanda Karen)	2	1188.9	1613.9	1	1182	1613.9	1	1213.2	1613.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Jones, A (Annchen)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms