Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Rooijen, J (Jessica)

Chess SA id

2060136749

FIDE id

Date of birth

2006-12-08 (U20)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-07-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1169.4	1162	1200	1200
Raw rating	1169.4	1162	1200	1200
Weighted rating	1169.4	1162	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.2	175	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1169.4	1162	1200	1200
Analysis
Rating	1169.4	1162	1200	1200
Raw rating	1169.4	1162	1200	1200
Weighted rating	1169.4	1162	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	173.2	175	165.8	165.8
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	1169.4	1162	1200	1200
New weighted rating	1169.4	1162	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1169.4	1162	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1169.4	1162	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	9	9
	0	0
History	9	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 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	9	3.5	38.89	-94.4	1202.8	1108.4
Standard	9	3.5	38.89	-94.4	1202.8	1108.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1169.4	1162	1200	1200
2025-09-30	1169.4	1162	1200	1200
2025-09-01	1169.4	1162	1200	1200
2025-08-01	1169.4	1162	1200	1200
2025-07-01	1169.4	1162	1200	1200
2025-06-01	1169.4	1162	1200	1200
2025-05-01	1169.4	1162	1200	1200
2025-04-01	1169.4	1162	1200	1200
2025-03-01	1169.4	1162	1200	1200
2025-02-01	1169.4	1162	1200	1200
2025-01-01	1169.4	1162	1200	1200
2024-12-01	1169.4	1162	1200	1200
2024-11-01	1169.4	1162	1200	1200
2024-10-01	1169.4	1162	1200	1200
2024-09-01	1169.4	1162	1200	1200
2024-08-01	1169.4	1162	1200	1200
2024-07-01	1169.4	1162	1200	1200
2024-09-01	1169.4	1162	1200	1200
2024-05-01	1169.4	1162	1200	1200
2024-04-01	1169.4	1162	1200	1200
2024-03-01	1169.4	1162	1200	1200
2024-02-01	1169.4	1162	1200	1200
2024-01-01	1169.4	1162	1200	1200
2023-12-01	1169.4	1162	1200	1200

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	JMC Trials 1 - Laerskool Fontainebleau 2022 (U16+U18)	2022-07-24	2022-07-24	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
2	JMC Charterhouse Open 2022 (C)	2022-02-12	2022-02-12	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament JMC Charterhouse Open 2022				Tournament JMC Charterhouse Open 2022
		date 2022-02-12	rnd 3	type Standard	result 1	date 2022-02-12	rnd 4	type Standard	result 0.5
		Opponent Bijker, W (Waldo)				Opponent Hazelton-Lagarrigue, V (Vincent)
2	1	Tournament JMC Trials 1 - Laerskool Fontainebleau 2022				Tournament JMC Trials 1 - Laerskool Fontainebleau 2022
		date 2022-07-24	rnd 2	type Standard	result 1	date 2022-07-24	rnd 2	type Standard	result 1
		Opponent Venter, R (Ray)				Opponent Venter, R (Ray)
3	1	Tournament JMC Charterhouse Open 2022				Tournament JMC Charterhouse Open 2022
		date 2022-02-12	rnd 1	type Standard	result 1	date 2022-02-12	rnd 1	type Standard	result 1
		Opponent Kwak, J (Jaeson)				Opponent Kwak, J (Jaeson)

#	Games	Start				End
1	2	Tournament JMC Charterhouse Open 2022				Tournament JMC Charterhouse Open 2022
		date 2022-02-12	rnd 3	type Standard	result 1	date 2022-02-12	rnd 4	type Standard	result 0.5
		Opponent Bijker, W (Waldo)				Opponent Hazelton-Lagarrigue, V (Vincent)
2	1	Tournament JMC Trials 1 - Laerskool Fontainebleau 2022				Tournament JMC Trials 1 - Laerskool Fontainebleau 2022
		date 2022-07-24	rnd 2	type Standard	result 1	date 2022-07-24	rnd 2	type Standard	result 1
		Opponent Venter, R (Ray)				Opponent Venter, R (Ray)
3	1	Tournament JMC Charterhouse Open 2022				Tournament JMC Charterhouse Open 2022
		date 2022-02-12	rnd 1	type Standard	result 1	date 2022-02-12	rnd 1	type Standard	result 1
		Opponent Kwak, J (Jaeson)				Opponent Kwak, J (Jaeson)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament JMC Trials 1 - Laerskool Fontainebleau 2022				Tournament JMC Trials 1 - Laerskool Fontainebleau 2022
		date 2022-07-24	rnd 2	type Standard	result 1	date 2022-07-24	rnd 2	type Standard	result 1
		Opponent Venter, R (Ray)				Opponent Venter, R (Ray)
2	1	Tournament JMC Charterhouse Open 2022				Tournament JMC Charterhouse Open 2022
		date 2022-02-12	rnd 3	type Standard	result 1	date 2022-02-12	rnd 3	type Standard	result 1
		Opponent Bijker, W (Waldo)				Opponent Bijker, W (Waldo)
3	1	Tournament JMC Charterhouse Open 2022				Tournament JMC Charterhouse Open 2022
		date 2022-02-12	rnd 1	type Standard	result 1	date 2022-02-12	rnd 1	type Standard	result 1
		Opponent Kwak, J (Jaeson)				Opponent Kwak, J (Jaeson)

#	Games	Start				End
1	1	Tournament JMC Trials 1 - Laerskool Fontainebleau 2022				Tournament JMC Trials 1 - Laerskool Fontainebleau 2022
		date 2022-07-24	rnd 2	type Standard	result 1	date 2022-07-24	rnd 2	type Standard	result 1
		Opponent Venter, R (Ray)				Opponent Venter, R (Ray)
2	1	Tournament JMC Charterhouse Open 2022				Tournament JMC Charterhouse Open 2022
		date 2022-02-12	rnd 3	type Standard	result 1	date 2022-02-12	rnd 3	type Standard	result 1
		Opponent Bijker, W (Waldo)				Opponent Bijker, W (Waldo)
3	1	Tournament JMC Charterhouse Open 2022				Tournament JMC Charterhouse Open 2022
		date 2022-02-12	rnd 1	type Standard	result 1	date 2022-02-12	rnd 1	type Standard	result 1
		Opponent Kwak, J (Jaeson)				Opponent Kwak, J (Jaeson)

No games found.

#	Games	Start				End

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	Hazelton-Lagarrigue ,V (Vincent)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Hazelton-Lagarrigue ,V (Vincent)	1	1204.4	1204.4	1	1204.8	1204.4	0	0	0	0	0	0
2	Du Plessis ,R (Ruben)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Du Plessis ,R (Ruben)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Kwak ,J (Jaeson)	1	1	425	1	1	425	0	0	0	0	0	0
3	Kwak ,J (Jaeson)	1	1113.8	1538.8	1	1098.8	1538.8	0	0	0	0	0	0
4	Venter ,R (Ray)	1	1	425	1	1	425	0	0	0	0	0	0
4	Venter ,R (Ray)	1	1292	1717	1	1294	1717	0	0	0	0	0	0
5	Pretorius ,K (Klarissa)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Pretorius ,K (Klarissa)	1	1181.2	756.2	1	1177.2	756.2	0	0	0	0	0	0
6	Fumba ,O (Oyena)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Fumba ,O (Oyena)	1	1255.5	830.5	1	1260.8	830.5	0	0	0	0	0	0
7	Mabaso ,J (Jabulani)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mabaso ,J (Jabulani)	1	1273	848	1	1286.4	848	0	0	0	0	0	0
8	Strydom ,A (Aydan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Strydom ,A (Aydan)	1	1133.7	708.7	1	1118.5	708.7	0	0	0	0	0	0
9	Bijker ,W (Waldo)	1	1	425	1	1	425	0	0	0	0	0	0
9	Bijker ,W (Waldo)	1	1172	1597	1	1161.6	1597	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Van Rooijen, J (Jessica)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms