Chess South Africa Ratings Database

PLAYER PAGE

Personal

Davids, C (Christa)

Chess SA id

202049736

FIDE id

Date of birth

2002-01-03 (Adult)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1121.7	1103.6	1033.4	931.4
Raw rating	1121.7	1103.6	1033.4	931.4
Weighted rating	1121.7	1103.6	1033.4	931.4
Weighted performance	284.6	242.7	0	0
Floor	621.7	603.6	533.4	500
K-factor	40	40	40	40
Min/Max rating change allowed	185.4	190.2	210.2	243.1
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2018-01-01	1200 2024-02-01
Highest raw rating	1121.7 2024-02-01	1103.6 2024-02-01	1033.4 2024-02-01	931.4 2024-02-01
Highest weighted rating	1121.7 2024-11-01	1103.6 2024-11-01	1033.4 2024-11-01	931.4 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2018-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1121.7	1103.6	1033.4	931.4
Analysis
Rating	1121.7	1103.6	1033.4	931.4
Raw rating	1121.7	1103.6	1033.4	931.4
Weighted rating	1121.7	1103.6	1033.4
Weighted performance	284.6	242.7	0
K-factor	40	40	40	40
Floor	621.7	603.6	533.4	500
Max/Min rating change allowed	185.4	190.2	210.2	243.1
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	1121.7	1103.6	1033.4	931.4
New weighted rating	1121.7	1103.6	1033.4	931.4
New weighted performance	284.2	242.3	0	0
Temp new rating	1121.7	1103.6	1033.4	931.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1121.7	1103.6	1033.4	931.4
New K-factor	40	40	40	40
New floor	621.7	603.6	533.4	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	219	137	76	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Cape Winelands (WCW)
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	79	46.5	58.86	75.3	984.4	1059.7
Standard	57	32.5	57.02	59.6	990.2	1049.8
Rapid	22	14	63.64	115.9	969.5	1085.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1121.7	1103.6	1033.4	931.4
2025-09-01	1121.7	1103.6	1033.4	931.4
2025-08-01	1121.7	1103.6	1033.4	931.4
2025-07-01	1121.7	1103.6	1033.4	931.4
2025-06-01	1121.7	1103.6	1033.4	931.4
2025-05-01	1121.7	1103.6	1033.4	931.4
2025-04-01	1121.7	1103.6	1033.4	931.4
2025-03-01	1121.7	1103.6	1033.4	931.4
2025-02-01	1121.7	1103.6	1033.4	931.4
2025-01-01	1121.7	1103.6	1033.4	931.4
2024-12-01	1121.7	1103.6	1033.4	931.4
2024-11-01	1121.7	1103.6	1033.4	931.4
2024-10-01	1121.7	1103.6	1033.4	931.4
2024-09-01	1121.7	1103.6	1033.4	931.4
2024-08-01	1121.7	1103.6	1033.4	931.4
2024-07-01	1121.7	1103.6	1033.4	931.4
2024-06-01	1121.7	1103.6	1033.4	931.4
2024-08-01	1121.7	1103.6	1033.4	931.4
2024-04-01	1121.7	1103.6	1033.4	931.4
2024-03-01	1121.7	1103.6	1033.4	931.4
2024-02-01	1121.7	1103.6	1033.4	931.4
2024-01-01	1121.7	1103.6	1033.4	931.4
2023-12-01	1121.7	1103.6	1033.4	931.4
2023-11-01	1121.7	1103.6	1033.4	931.4

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	Cape Winelands Schools Trials 1 2020 (U18 Girls)	2020-02-15	2020-02-15	Rapid	Cape Winelands (WCW)	6	6	4.5	Yes	Analysis
2	2019 South African Junior Team Championships (U16-U20 Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
3	Western Cape Schools Individuals 2019 (U18 Girls)	2019-05-04	2019-05-05	Standard	Eden (WEG)	6	6	4	Yes	Analysis
4	Cape Winelands Schools Closed 2019 (U18 Girls)	2019-03-16	2019-03-17	Standard	Cape Winelands (WCW)	7	7	4.5	Yes	Analysis
5	Western Cape Women`s Open 2019 (Prestige)	2019-03-08	2019-03-10	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
6	CW Schools Open 2019 (U18 Girls)	2019-02-02	2019-02-02	Rapid	Cape Winelands (WCW)	6	6	4.5	Yes	Analysis
7	Cape Winelands Schools Chess - Top Schools 2018 (U19 Mix)	2018-07-28	2018-07-28	Rapid	Cape Winelands (WCW)	5	4	1	Yes	Analysis
8	Western Cape Schools Individuals 2018 (U18 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
9	Inter Regional 2018 (U18 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	0.5	Yes	Analysis
10	Cape Winelands Schools Trials 1 2018 (U18 Girls)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
11	Cape Winelands Schools Prestige 2018 (U18 Girls)	2018-03-24	2018-03-25	Standard	Cape Winelands (WCW)	7	7	6	Yes	Analysis
12	2018 Cape of Good Hope Open Chess Championships (C)	2018-01-26	2018-01-28	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
13	South African Junior Team Championships 2017 (U16D)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis

#	Games	Start				End
1	11	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-03	rnd 3	type Rapid	result 1	date 2018-03-25	rnd 7	type Standard	result 0.5
		Opponent Fredericks, R (Roche)				Opponent Truter, T (Tehillah)
2	5	Tournament Western Cape Schools Individuals 2019				Tournament 2019 South African Junior Team Championships
		date 2019-05-04	rnd 4	type Standard	result 1	date 2020-01-04	rnd 2	type Standard	result 1
		Opponent Dastile, L (Lulamela)				Opponent Lott, N (Nicole)
3	5	Tournament Cape Winelands Schools Closed 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-03-16	rnd 3	type Standard	result 1	date 2019-03-17	rnd 7	type Standard	result 1
		Opponent Burger, A (Ankia)				Opponent Matroos, C (Courtney)

#	Games	Start				End
1	8	Tournament 2018 Cape of Good Hope Open Chess Championships				Tournament Cape Winelands Schools Prestige 2018
		date 2018-01-28	rnd 6	type Standard	result 1	date 2018-03-25	rnd 7	type Standard	result 0.5
		Opponent Maxwell, T (Tristan)				Opponent Truter, T (Tehillah)
2	5	Tournament Western Cape Schools Individuals 2019				Tournament 2019 South African Junior Team Championships
		date 2019-05-04	rnd 4	type Standard	result 1	date 2020-01-04	rnd 2	type Standard	result 1
		Opponent Dastile, L (Lulamela)				Opponent Lott, N (Nicole)
3	5	Tournament Cape Winelands Schools Closed 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-03-16	rnd 3	type Standard	result 1	date 2019-03-17	rnd 7	type Standard	result 1
		Opponent Burger, A (Ankia)				Opponent Matroos, C (Courtney)

#	Games	Start				End
1	5	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 1	type Rapid	result 1	date 2019-02-02	rnd 5	type Rapid	result 0.5
		Opponent Ramohlabi, L (Lulu)				Opponent Pietersen, G (Genevieve)
2	5	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Chess - Top Schools 2018
		date 2018-03-03	rnd 3	type Rapid	result 1	date 2018-07-28	rnd 1	type Rapid	result 1
		Opponent Fredericks, R (Roche)				Opponent Olivier, E (Elginay)
3	4	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-15	rnd 3	type Rapid	result 1	date 2020-02-15	rnd 6	type Rapid	result 0.5
		Opponent Williams, R (Robin-Leigh)				Opponent Seholoba, R (Retshepile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-03	rnd 6	type Rapid	result 1	date 2018-03-25	rnd 5	type Standard	result 1
		Opponent Crook, Z (Zuhrah)				Opponent Pietersen, J (Jody-Lee)
2	5	Tournament Western Cape Schools Individuals 2019				Tournament 2019 South African Junior Team Championships
		date 2019-05-04	rnd 4	type Standard	result 1	date 2020-01-04	rnd 2	type Standard	result 1
		Opponent Dastile, L (Lulamela)				Opponent Lott, N (Nicole)
3	4	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 1	type Rapid	result 1	date 2019-02-02	rnd 4	type Rapid	result 1
		Opponent Ramohlabi, L (Lulu)				Opponent Williams, N (Nabilah)

#	Games	Start				End
1	6	Tournament 2018 Cape of Good Hope Open Chess Championships				Tournament Cape Winelands Schools Prestige 2018
		date 2018-01-28	rnd 6	type Standard	result 1	date 2018-03-25	rnd 5	type Standard	result 1
		Opponent Maxwell, T (Tristan)				Opponent Pietersen, J (Jody-Lee)
2	5	Tournament Western Cape Schools Individuals 2019				Tournament 2019 South African Junior Team Championships
		date 2019-05-04	rnd 4	type Standard	result 1	date 2020-01-04	rnd 2	type Standard	result 1
		Opponent Dastile, L (Lulamela)				Opponent Lott, N (Nicole)
3	3	Tournament Western Cape Schools Individuals 2018				Tournament Western Cape Schools Individuals 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-05-20	rnd 6	type Standard	result 1
		Opponent Oosthuizen, M (Melinda)				Opponent Julies, GA (Gerchly-Ann)

#	Games	Start				End
1	4	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 1	type Rapid	result 1	date 2019-02-02	rnd 4	type Rapid	result 1
		Opponent Ramohlabi, L (Lulu)				Opponent Williams, N (Nabilah)
2	3	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-15	rnd 3	type Rapid	result 1	date 2020-02-15	rnd 5	type Rapid	result 1
		Opponent Williams, R (Robin-Leigh)				Opponent Jacobs, S (Shaundre)
3	2	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Chess - Top Schools 2018
		date 2018-03-03	rnd 6	type Rapid	result 1	date 2018-07-28	rnd 1	type Rapid	result 1
		Opponent Crook, Z (Zuhrah)				Opponent Olivier, E (Elginay)

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	Pietersen ,G (Genevieve)	4	2	0	2	1	0	2	1	0	0	0	0
1	Pietersen ,G (Genevieve)	4	1011.6	1011.6	2	989.2	1011.6	2	1098	1011.6	0	0	0
2	Fredericks ,J (Janine)	2	1	0	2	1	0	0	0	0	0	0	0
2	Fredericks ,J (Janine)	2	869.5	869.5	2	844	869.5	0	0	0	0	0	0
3	Seholoba ,R (Retshepile)	2	0.5	-212.5	1	0	-425	1	0.5	0	0	0	0
3	Seholoba ,R (Retshepile)	2	984.3	771.8	1	910.8	559.3	1	797.8	984.3	0	0	0
4	Kritzinger ,A (Abbigail)	2	2	425	1	1	425	1	1	425	0	0	0
4	Kritzinger ,A (Abbigail)	2	702.4	1127.4	1	699.2	1127.4	1	577.6	1127.4	0	0	0
5	Dastile ,L (Lulamela)	2	2	425	1	1	425	1	1	425	0	0	0
5	Dastile ,L (Lulamela)	2	955.3	1380.3	1	1002.4	1380.3	1	964.4	1380.3	0	0	0
6	Ramohlabi ,L (Lulu)	2	2	425	0	0	0	2	2	425	0	0	0
6	Ramohlabi ,L (Lulu)	2	1053	1478	0	0	0	2	1180.4	1478	0	0	0
7	Adams ,L (Logan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Adams ,L (Logan)	1	778	1203	1	778	1203	0	0	0	0	0	0
8	Oosthuizen ,M (Melinda)	1	1	425	1	1	425	0	0	0	0	0	0
8	Oosthuizen ,M (Melinda)	1	720.6	1145.6	1	729.4	1145.6	0	0	0	0	0	0
9	Vundla ,N (Mthandazo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Vundla ,N (Mthandazo)	1	1192.7	767.7	1	1232.2	767.7	0	0	0	0	0	0
10	Van Der Walt ,AB (Bernize)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Der Walt ,AB (Bernize)	1	1418.8	993.8	1	1420.4	993.8	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

Davids, C (Christa)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms