Chess South Africa Ratings Database

PLAYER PAGE

Personal

Riddles, A (Anke)

Chess SA id

204078162

FIDE id

Date of birth

2004-04-03 (Adult)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-03-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1039	983.6	767.2	648
Raw rating	1039	983.6	767.2	648
Weighted rating	1039	983.6	767.2	648
Weighted performance	149.5	105.1	0	0
Floor	539	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	208.6	225.7	307.2	364.1
Highest rating	1200 2024-11-01	1200 2024-11-01	1263.4 2019-03-01	1200 2024-02-01
Highest raw rating	1039 2024-02-01	983.6 2024-02-01	767.2 2024-02-01	648 2024-02-01
Highest weighted rating	1039 2024-11-01	983.6 2024-11-01	767.2 2024-11-01	648 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1263.4 2019-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1039	983.6	767.2	648
Analysis
Rating	1039	983.6	767.2	648
Raw rating	1039	983.6	767.2	648
Weighted rating	1039	983.6	767.2
Weighted performance	149.5	105.1	0
K-factor	40	40	40	40
Floor	539	500	500	500
Max/Min rating change allowed	208.6	225.7	307.2	364.1
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	1039	983.6	767.2	648
New weighted rating	1039	983.6	767.2	648
New weighted performance	149.1	104.8	0	0
Temp new rating	1039	983.6	767.2	648
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1039	983.6	767.2	648
New K-factor	40	40	40	40
New floor	539	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	61	56	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult 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	31	19	61.29	96	948.4	1044.4
Standard	26	16	61.54	98.1	902.9	1001
Rapid	5	3	60	85	1185	1270
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1039	983.6	767.2	648
2025-09-01	1039	983.6	767.2	648
2025-08-01	1039	983.6	767.2	648
2025-07-01	1039	983.6	767.2	648
2025-06-01	1039	983.6	767.2	648
2025-05-01	1039	983.6	767.2	648
2025-04-01	1039	983.6	767.2	648
2025-03-01	1039	983.6	767.2	648
2025-02-01	1039	983.6	767.2	648
2025-01-01	1039	983.6	767.2	648
2024-12-01	1039	983.6	767.2	648
2024-11-01	1039	983.6	767.2	648
2024-10-01	1039	983.6	767.2	648
2024-09-01	1039	983.6	767.2	648
2024-08-01	1039	983.6	767.2	648
2024-07-01	1039	983.6	767.2	648
2024-06-01	1039	983.6	767.2	648
2024-08-01	1039	983.6	767.2	648
2024-04-01	1039	983.6	767.2	648
2024-03-01	1039	983.6	767.2	648
2024-02-01	1039	983.6	767.2	648
2024-01-01	1039	983.6	767.2	648
2023-12-01	1039	983.6	767.2	648
2023-11-01	1039	983.6	767.2	648

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	Eden Trials 1 2019 (U16 Girls)	2019-03-02	2019-03-02	Standard	Eden (WEG)	5	0	0	No	Analysis
2	Western Cape Women`s Open 2019 (B)	2019-03-09	2019-03-09	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
3	Hessequa Proewe 1 2019 (O16)	2019-01-26	2019-01-26	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
4	EDENSC Closed 3 2018 (U16 Girls)	2018-05-12	2018-05-12	Standard	Eden (WEG)	5	5	3	Yes	Analysis
5	EDENSC Closed 2 2018 (U16 Girls)	2018-04-14	2018-04-14	Standard	Eden (WEG)	5	5	4	Yes	Analysis
6	EDENSC Closed 1 2018 (U16 Girls)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
7	South African Junior Team Championships 2017 (U14 Girls)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament South African Junior Team Championships 2017				Tournament EDENSC Closed 1 2018
		date 2018-01-08	rnd 7	type Standard	result 1	date 2018-03-10	rnd 4	type Standard	result 0.5
		Opponent De Villiers, B (Bianca)				Opponent Michaels, L (Lauri-Kay)
2	3	Tournament Western Cape Women`s Open 2019				Tournament Western Cape Women`s Open 2019
		date 2019-03-09	rnd 3	type Rapid	result 1	date 2019-03-09	rnd 5	type Rapid	result 1
		Opponent Manxiwa, A (Amyoli)				Opponent Raath, K (Karin)
3	3	Tournament EDENSC Closed 3 2018				Tournament EDENSC Closed 3 2018
		date 2018-05-12	rnd 2	type Standard	result 1	date 2018-05-12	rnd 4	type Standard	result 1
		Opponent Claassen, C (Christelene)				Opponent Kleinhans, L (Liketa)

#	Games	Start				End
1	5	Tournament South African Junior Team Championships 2017				Tournament EDENSC Closed 1 2018
		date 2018-01-08	rnd 7	type Standard	result 1	date 2018-03-10	rnd 4	type Standard	result 0.5
		Opponent De Villiers, B (Bianca)				Opponent Michaels, L (Lauri-Kay)
2	3	Tournament EDENSC Closed 3 2018				Tournament EDENSC Closed 3 2018
		date 2018-05-12	rnd 2	type Standard	result 1	date 2018-05-12	rnd 4	type Standard	result 1
		Opponent Claassen, C (Christelene)				Opponent Kleinhans, L (Liketa)
3	3	Tournament EDENSC Closed 2 2018				Tournament EDENSC Closed 2 2018
		date 2018-04-14	rnd 1	type Standard	result 1	date 2018-04-14	rnd 3	type Standard	result 1
		Opponent Jack, O (Ovayo)				Opponent Elias, C (Chardelia)

#	Games	Start				End
1	3	Tournament Western Cape Women`s Open 2019				Tournament Western Cape Women`s Open 2019
		date 2019-03-09	rnd 3	type Rapid	result 1	date 2019-03-09	rnd 5	type Rapid	result 1
		Opponent Manxiwa, A (Amyoli)				Opponent Raath, K (Karin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2017				Tournament EDENSC Closed 1 2018
		date 2018-01-08	rnd 7	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent De Villiers, B (Bianca)				Opponent Bokwana, W (Wilmarie)
2	3	Tournament Western Cape Women`s Open 2019				Tournament Western Cape Women`s Open 2019
		date 2019-03-09	rnd 3	type Rapid	result 1	date 2019-03-09	rnd 5	type Rapid	result 1
		Opponent Manxiwa, A (Amyoli)				Opponent Raath, K (Karin)
3	3	Tournament EDENSC Closed 3 2018				Tournament EDENSC Closed 3 2018
		date 2018-05-12	rnd 2	type Standard	result 1	date 2018-05-12	rnd 4	type Standard	result 1
		Opponent Claassen, C (Christelene)				Opponent Kleinhans, L (Liketa)

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2017				Tournament EDENSC Closed 1 2018
		date 2018-01-08	rnd 7	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent De Villiers, B (Bianca)				Opponent Bokwana, W (Wilmarie)
2	3	Tournament EDENSC Closed 3 2018				Tournament EDENSC Closed 3 2018
		date 2018-05-12	rnd 2	type Standard	result 1	date 2018-05-12	rnd 4	type Standard	result 1
		Opponent Claassen, C (Christelene)				Opponent Kleinhans, L (Liketa)
3	3	Tournament EDENSC Closed 2 2018				Tournament EDENSC Closed 2 2018
		date 2018-04-14	rnd 1	type Standard	result 1	date 2018-04-14	rnd 3	type Standard	result 1
		Opponent Jack, O (Ovayo)				Opponent Elias, C (Chardelia)

#	Games	Start				End
1	3	Tournament Western Cape Women`s Open 2019				Tournament Western Cape Women`s Open 2019
		date 2019-03-09	rnd 3	type Rapid	result 1	date 2019-03-09	rnd 5	type Rapid	result 1
		Opponent Manxiwa, A (Amyoli)				Opponent Raath, K (Karin)

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	Michaels ,L (Lauri-Kay)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
1	Michaels ,L (Lauri-Kay)	3	800	800	3	797.4	800	0	0	0	0	0	0
2	Bokwana ,W (Wilmarie)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
2	Bokwana ,W (Wilmarie)	3	760.7	902.4	3	769.5	902.4	0	0	0	0	0	0
3	Elias ,C (Chardelia)	2	1	0	2	1	0	0	0	0	0	0	0
3	Elias ,C (Chardelia)	2	771.7	771.7	2	785.2	771.7	0	0	0	0	0	0
4	Kleinhans ,L (Liketa)	2	2	425	2	2	425	0	0	0	0	0	0
4	Kleinhans ,L (Liketa)	2	1046.8	1471.8	2	1049.4	1471.8	0	0	0	0	0	0
5	Padi ,T (Tlhalifang)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Padi ,T (Tlhalifang)	1	886.6	461.6	1	886.6	461.6	0	0	0	0	0	0
6	Claassen ,S (Sharano)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Claassen ,S (Sharano)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
7	Stevens ,R (Rubenique)	1	1	425	1	1	425	0	0	0	0	0	0
7	Stevens ,R (Rubenique)	1	518	943	1	518	943	0	0	0	0	0	0
8	Jack ,O (Ovayo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Jack ,O (Ovayo)	1	1143.9	1568.9	1	1131.2	1568.9	0	0	0	0	0	0
9	Riddles ,J (Jewaan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Riddles ,J (Jewaan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Petlele ,M (Motheo)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Petlele ,M (Motheo)	1	854.4	429.4	1	854.4	429.4	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

Riddles, A (Anke)

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