Chess South Africa Ratings Database

PLAYER PAGE

Personal

Fredericks, J (Janine)

Chess SA id

202051968

FIDE id

Date of birth

2002-06-05 (Adult)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-12-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1203.7	1186.2	1027.8	869.8
Raw rating	1203.7	1186.2	1027.8	869.8
Weighted rating	1203.5	1186	1027.8	869.8
Weighted performance	673.2	660.1	224.2	0
Floor	806.5	750.6	546.6	500
K-factor	36	36	40	40
Min/Max rating change allowed	164.9	169.1	211.9	265.4
Highest rating	1343.8 2019-07-01	1264.2 2019-05-01	1200 2018-01-01	1200 2024-02-01
Highest raw rating	1306.5 2019-08-01	1250.6 2019-06-01	1046.6 2019-08-01	869.8 2024-02-01
Highest weighted rating	1306.5 2021-03-01	1250.6 2021-04-01	1046.6 2024-11-01	869.8 2024-11-01
Highest weighted performance	1343.8 2019-07-01	1264.2 2019-05-01	1200 2018-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1203.7	1186.2	1027.8	869.8
Analysis
Rating	1203.7	1186.2	1027.8	869.8
Raw rating	1203.7	1186.2	1027.8	869.8
Weighted rating	1203.5	1186	1027.8
Weighted performance	673.2	660.1	224.2
K-factor	36	36	40	40
Floor	806.5	750.6	546.6	500
Max/Min rating change allowed	164.9	169.1	211.9	265.4
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	1203.7	1186.2	1027.8	869.8
New weighted rating	1203.4	1186	1027.8	869.8
New weighted performance	672.8	659.7	223.8	0
Temp new rating	1203.7	1186.2	1027.8	869.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1203.7	1186.2	1027.8	869.8
New K-factor	36	36	40	40
New floor	806.5	750.6	546.6	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	9	9	0
	0	0	0
	10	10	0
	0	0	0
History	196	134	62

Games since
	Main 9	Standard 9		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	123	66	53.66	31.1	1052.2	1083.3
Standard	89	44.5	50	0	1074.9	1074.9
Rapid	34	21.5	63.24	112.5	992.5	1105
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1203.7	1186.2	1027.8	869.8
2025-09-01	1203.7	1186.2	1027.8	869.8
2025-08-01	1203.7	1186.2	1027.8	869.8
2025-07-01	1203.7	1186.2	1027.8	869.8
2025-06-01	1203.7	1186.2	1027.8	869.8
2025-05-01	1203.7	1186.2	1027.8	869.8
2025-04-01	1203.7	1186.2	1027.8	869.8
2025-03-01	1203.7	1186.2	1027.8	869.8
2025-02-01	1202.6	1185.3	1027.8	869.8
2025-01-01	1187.1	1173.2	1027.8	869.8
2024-12-01	1205.5	1187.6	1027.8	869.8
2024-11-01	1205.5	1187.6	1027.8	869.8
2024-10-01	1205.5	1187.6	1027.8	869.8
2024-09-01	1205.5	1187.6	1027.8	869.8
2024-08-01	1205.5	1187.6	1027.8	869.8
2024-07-01	1205.5	1187.6	1027.8	869.8
2024-06-01	1205.5	1187.6	1027.8	869.8
2024-08-01	1205.5	1187.6	1027.8	869.8
2024-04-01	1205.5	1187.6	1027.8	869.8
2024-03-01	1205.5	1187.6	1027.8	869.8
2024-02-01	1205.5	1187.6	1027.8	869.8
2024-01-01	1205.5	1187.6	1027.8	869.8
2023-12-01	1205.5	1187.6	1027.8	869.8
2023-11-01	1205.5	1187.6	1027.8	869.8

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	USSA Chess Championships 2024 (Ladies)	2024-11-29	2024-12-03	Standard	Tshwane (GTP)	9	9	5	Yes	Analysis
2	2022 Western Province Club League (B)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	4	0.5	Yes	Analysis
3	Western Cape Closed Championship 2022 (Open)	2022-09-24	2022-09-25	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
4	Cape Winelands Schools Trials 1 2020 (U18 Girls)	2020-02-15	2020-02-15	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
5	2019 South African Junior Team Championships (U16-U20 Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
6	Western Cape Schools Kings & Queens 2019 (Girls)	2019-10-12	2019-10-12	Rapid	West Coast (WCU)	5	4	0.5	Yes	Analysis
7	Western Cape Top Schools 2019 (U18 Girls)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
8	Cape Winelands Schools - Top Schools 2019 (U15+U18 Girls)	2019-07-27	2019-07-27	Rapid	Cape Winelands (WCW)	3	2	2	Yes	Analysis
9	Western Cape Schools Individuals 2019 (U18 Girls)	2019-05-04	2019-05-05	Standard	Eden (WEG)	6	6	4	Yes	Analysis
10	Cape Winelands Open 2019 (B)	2019-04-27	2019-04-27	Standard	Cape Winelands (WCW)	5	5	5	Yes	Analysis
11	Cape Winelands Schools Closed 2019 (U18 Girls)	2019-03-16	2019-03-17	Standard	Cape Winelands (WCW)	7	7	6.5	Yes	Analysis
12	CW Schools Open 2019 (U18 Girls)	2019-02-02	2019-02-02	Rapid	Cape Winelands (WCW)	6	6	4.5	Yes	Analysis
13	Western Cape Kings & Queens 2018 (Girls)	2018-10-20	2018-10-20	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
14	Western Cape Schools Individuals 2018 (U18 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	3.5	Yes	Analysis
15	Inter Regional 2018 (U18 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	1	Yes	Analysis
16	2018 South African Junior Closed Chess Championships (U16 Girls)	2018-04-01	2018-04-07	Standard	Chess South Africa (CSA)	11	10	2	Yes	Analysis
17	Cape Winelands Schools Trials 1 2018 (U18 Girls)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
18	Cape Winelands Schools Prestige 2018 (U18 Girls)	2018-03-24	2018-03-25	Standard	Cape Winelands (WCW)	7	7	3.5	Yes	Analysis
19	North Boland Trials 2018 (U18 Girls)	2018-02-17	2018-02-17	Rapid	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
20	South African Junior Wildcard Championships 2017 (U16 Girls)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
21	South African Junior Team Championships 2017 (U16-U20 Girls)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	5	3	Yes	Analysis

#	Games	Start				End
1	17	Tournament CW Schools Open 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-02-02	rnd 3	type Rapid	result 1	date 2019-05-04	rnd 1	type Standard	result 1
		Opponent Burger, A (Ankia)				Opponent Fumunzanza, R (Rachel)
2	6	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-11-30	rnd 4	type Standard	result 0.5	date 2024-12-03	rnd 9	type Standard	result 0.5
		Opponent Reddy, D (Drianca)				Opponent Steyn, J (Joharina)
3	6	Tournament North Boland Trials 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-02-17	rnd 3	type Rapid	result 1	date 2018-03-03	rnd 3	type Rapid	result 1
		Opponent Olivier, E (Elginay)				Opponent Adams, L (Logan)

#	Games	Start				End
1	15	Tournament Western Cape Schools Individuals 2018				Tournament Western Cape Schools Individuals 2019
		date 2018-05-20	rnd 5	type Standard	result 1	date 2019-05-04	rnd 1	type Standard	result 1
		Opponent Nienaber, E (Engela)				Opponent Fumunzanza, R (Rachel)
2	6	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-11-30	rnd 4	type Standard	result 0.5	date 2024-12-03	rnd 9	type Standard	result 0.5
		Opponent Reddy, D (Drianca)				Opponent Steyn, J (Joharina)
3	3	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Top Schools 2019
		date 2019-05-05	rnd 5	type Standard	result 1	date 2019-08-31	rnd 1	type Standard	result 1
		Opponent Manuel, S (Simone)				Opponent Ramohlabi, L (Lulu)

#	Games	Start				End
1	6	Tournament CW Schools Open 2019				Tournament Cape Winelands Schools - Top Schools 2019
		date 2019-02-02	rnd 3	type Rapid	result 1	date 2019-07-27	rnd 2	type Rapid	result 1
		Opponent Burger, A (Ankia)				Opponent Johnson, S (Sevodia)
2	6	Tournament North Boland Trials 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-02-17	rnd 3	type Rapid	result 1	date 2018-03-03	rnd 3	type Rapid	result 1
		Opponent Olivier, E (Elginay)				Opponent Adams, L (Logan)
3	4	Tournament Western Cape Kings & Queens 2018				Tournament CW Schools Open 2019
		date 2018-10-20	rnd 3	type Rapid	result 1	date 2019-02-02	rnd 1	type Rapid	result 1
		Opponent Chinthala, S (Sreeja)				Opponent Wolfaardt, B (Bea)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Cape Winelands Schools Closed 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-03-17	rnd 7	type Standard	result 1	date 2019-05-04	rnd 1	type Standard	result 1
		Opponent Sym, M (Mcayla)				Opponent Fumunzanza, R (Rachel)
2	6	Tournament CW Schools Open 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-02-02	rnd 6	type Rapid	result 1	date 2019-03-17	rnd 5	type Standard	result 1
		Opponent Fritz, S (She-Earl)				Opponent Pietersen, G (Genevieve)
3	5	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Top Schools 2019
		date 2019-05-05	rnd 5	type Standard	result 1	date 2019-08-31	rnd 1	type Standard	result 1
		Opponent Manuel, S (Simone)				Opponent Ramohlabi, L (Lulu)

#	Games	Start				End
1	7	Tournament Cape Winelands Schools Closed 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-03-17	rnd 7	type Standard	result 1	date 2019-05-04	rnd 1	type Standard	result 1
		Opponent Sym, M (Mcayla)				Opponent Fumunzanza, R (Rachel)
2	5	Tournament Cape Winelands Schools Closed 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-03-16	rnd 1	type Standard	result 1	date 2019-03-17	rnd 5	type Standard	result 1
		Opponent Swiegelaar, S (Stephany)				Opponent Pietersen, G (Genevieve)
3	3	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Top Schools 2019
		date 2019-05-05	rnd 5	type Standard	result 1	date 2019-08-31	rnd 1	type Standard	result 1
		Opponent Manuel, S (Simone)				Opponent Ramohlabi, L (Lulu)

#	Games	Start				End
1	4	Tournament Western Cape Kings & Queens 2018				Tournament CW Schools Open 2019
		date 2018-10-20	rnd 3	type Rapid	result 1	date 2019-02-02	rnd 1	type Rapid	result 1
		Opponent Chinthala, S (Sreeja)				Opponent Wolfaardt, B (Bea)
2	4	Tournament North Boland Trials 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-02-17	rnd 5	type Rapid	result 1	date 2018-03-03	rnd 3	type Rapid	result 1
		Opponent Fredericks, R (Roche)				Opponent Adams, L (Logan)
3	3	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-15	rnd 1	type Rapid	result 1	date 2020-02-15	rnd 3	type Rapid	result 1
		Opponent Williams, R (Robin-Leigh)				Opponent Hoffman, A (Anastacia)

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	Fritz ,S (She-Earl)	5	3	85	3	2	141.7	2	1	0	0	0	0
1	Fritz ,S (She-Earl)	5	971.4	1056.4	3	895.6	1113	2	857.4	971.4	0	0	0
2	Januarie ,J (Jeneska)	3	0.5	-283.3	2	0	-425	1	0.5	0	0	0	0
2	Januarie ,J (Jeneska)	3	1313.9	1030.6	2	1306.2	888.9	1	1078.8	1313.9	0	0	0
3	Pienaar ,A (Ane)	3	0	-425	2	0	-425	1	0	-425	0	0	0
3	Pienaar ,A (Ane)	3	1282.1	857.1	2	1232.9	857.1	1	1069	857.1	0	0	0
4	Booysen ,L (Lee-Ann)	3	2.5	283.3	2	1.5	212.5	1	1	425	0	0	0
4	Booysen ,L (Lee-Ann)	3	899.5	1182.8	2	892.5	1112	1	837.1	1324.5	0	0	0
5	Adams ,L (Logan)	3	1.5	0	1	0	-425	2	1.5	212.5	0	0	0
5	Adams ,L (Logan)	3	809.4	809.4	1	778	384.4	2	808.2	1021.9	0	0	0
6	Davids ,C (Christa)	2	1	0	2	1	0	0	0	0	0	0	0
6	Davids ,C (Christa)	2	952	952	2	949.4	952	0	0	0	0	0	0
7	Booysen ,T (Tineke)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Booysen ,T (Tineke)	2	1276.2	851.2	2	1275.6	851.2	0	0	0	0	0	0
8	Pietersen ,G (Genevieve)	2	1	0	2	1	0	0	0	0	0	0	0
8	Pietersen ,G (Genevieve)	2	1016.7	1016.7	2	989.2	1016.7	0	0	0	0	0	0
9	Iyman ,J (Jaelene)	2	1	0	2	1	0	0	0	0	0	0	0
9	Iyman ,J (Jaelene)	2	941.7	941.7	2	940.3	941.7	0	0	0	0	0	0
10	Engelbrecht ,H (Hanri)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Engelbrecht ,H (Hanri)	2	1614.3	1189.3	2	1605.3	1189.3	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

Fredericks, J (Janine)

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