Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Rooyen, J (Janel)

Chess SA id

2090193220

FIDE id

Date of birth

2009-06-29 (U18)

Gender

Female

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

21.5

Junior GPX Points

930

Item	Main	Standard	Rapid	Blitz
Rating	1060.5	1107.5	1077.7	1200
Raw rating	1060.5	1089.7	1077.7	1200
Weighted rating	1054.9	1107.5	1064.2	1200
Weighted performance	930.7	905.8	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	202.3	194	197.4	165.8
Highest rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1200 2024-12-01	1200 2024-02-01	1200 2024-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-2.4	0	0
New rating	1060.5	1105.1	1077.7	1200
Analysis
Rating	1060.5	1107.5	1077.7	1200
Raw rating	1060.5	1089.7	1077.7	1200
Weighted rating	1054.9	1107.5	1064.2
Weighted performance	930.7	905.8	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	202.3	194	197.4	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	1060.5	1089.7	1077.7	1200
New weighted rating	1053.9	1105.1	1064.2	1200
New weighted performance	925	900.3	0	0
Temp new rating	1060.5	1105.1	1077.7	1200
Temp new rating +/-	0	-2.4	0	0
Final new rating +/-	0	-2.4	0	0
New rating	1060.5	1105.1	1077.7	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	24	19	5
	18	8	10
	0	0	0
	0	0	0
	0	0	0
History	42	27	15

Games since
	Main 42	Standard 27		Rapid 15		Blitz 0
Gender	Female
Age group	U18
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	4522		1526		152
Female	1179		478		63
U18	628		190		19
U18 Female	132		53		7
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	24	4	16.67	-283.3	1230.4	947.1
Standard	19	2.5	13.16	-313.2	1244.3	931.2
Rapid	5	1.5	30	-170	1177.5	1007.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	42	4.5	10.71	-333.9	1199.1	865.1
Standard	27	3	11.11	-330.6	1232.2	901.6
Rapid	15	1.5	10	-340	1139.5	799.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1060.5	1089.7	1077.7	1200
2025-09-30	1060.5	1089.7	1077.7	1200
2025-09-01	1066.8	1110.6	1077.7	1200
2025-08-01	1065.2	1118.2	1077.7	1200
2025-07-01	1065.2	1118.2	1077.7	1200
2025-06-01	1065.2	1118.2	1077.7	1200
2025-05-01	1064.2	1114	1077.7	1200
2025-04-01	1070.2	1119.5	1077.7	1200
2025-03-01	1075.4	1125.5	1077.7	1200
2025-02-01	1073.5	1123.9	1076.9	1200
2025-01-01	993.3	1074	1005.6	1200
2024-12-01	993.3	1074	1005.6	1200
2024-11-01	993.3	1074	1005.6	1200
2024-10-01	993.3	1074	1005.6	1200
2024-09-01	1003.6	1090.4	1005.6	1200
2024-08-01	1003.6	1090.4	1005.6	1200
2024-07-01	1021.9	1120.8	1005.6	1200
2024-09-01	1102.2	1120.8	1113.2	1200
2024-05-01	1102.2	1120.8	1113.2	1200
2024-04-01	1102.2	1120.8	1113.2	1200
2024-03-01	1160	1200	1113.2	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U17 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	5	5	1	Yes	Analysis
2	Overberg Top Schools 2025 (U15-U19 Girls)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U17 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	0	Yes	Analysis
4	Overberg Schools - HS Closed 2025 (U17 Girls)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	4	0.5	Yes	Analysis
5	Overberg Schools - HS Trials 2025 (U17 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	5	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U17 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	5	5	1	Yes	Analysis
2	Overberg Top Schools 2025 (U15-U19 Girls)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U17 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	0	Yes	Analysis
4	Overberg Schools - HS Closed 2025 (U17 Girls)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	4	0.5	Yes	Analysis
5	Overberg Schools - HS Trials 2025 (U17 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	5	1.5	Yes	Analysis
6	Western Cape Top Schools Championship 2024 (U15 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	1	0	Yes	Analysis
7	Overberg Schools - Top Schools 2024 (U18 Girls)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	3	2	0	Yes	Analysis
8	Western Cape - Brian Raubenheimer Development Tournament 2024 (U15 Girls)	2024-06-08	2024-06-08	Rapid	Overberg (WOS)	6	6	0	Yes	Analysis
9	Overberg High Schools Trails 2024 (U15 Girls)	2024-03-02	2024-03-02	Standard	Overberg (WOS)	5	5	0.5	Yes	Analysis
10	Overberg High Schools Trails 2024 (U15)	2024-02-24	2024-02-24	Rapid	Overberg (WOS)	5	4	0	Yes	Analysis

#	Games	Start				End
1	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 0.5
		Opponent Dzadza, O (Olithemba)				Opponent Daisy, L (Linda)
2	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Stuurman, L (Lee-Kayle)				Opponent Stuurman, L (Lee-Kayle)
3	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Mushowe, L (Lee-Anne)				Opponent Mushowe, L (Lee-Anne)

#	Games	Start				End
1	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Stuurman, L (Lee-Kayle)				Opponent Stuurman, L (Lee-Kayle)
2	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Mushowe, L (Lee-Anne)				Opponent Mushowe, L (Lee-Anne)
3	1	Tournament Overberg Schools - HS Closed 2025				Tournament Overberg Schools - HS Closed 2025
		date 2025-03-22	rnd 3	type Standard	result 0.5	date 2025-03-22	rnd 3	type Standard	result 0.5
		Opponent Dzadza, O (Olithemba)				Opponent Dzadza, O (Olithemba)

#	Games	Start				End
1	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 0.5
		Opponent Dzadza, O (Olithemba)				Opponent Daisy, L (Linda)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Stuurman, L (Lee-Kayle)				Opponent Stuurman, L (Lee-Kayle)
2	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Mushowe, L (Lee-Anne)				Opponent Mushowe, L (Lee-Anne)
3	1	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Dzadza, O (Olithemba)				Opponent Dzadza, O (Olithemba)

#	Games	Start				End
1	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Stuurman, L (Lee-Kayle)				Opponent Stuurman, L (Lee-Kayle)
2	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Mushowe, L (Lee-Anne)				Opponent Mushowe, L (Lee-Anne)

#	Games	Start				End
1	1	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Dzadza, O (Olithemba)				Opponent Dzadza, O (Olithemba)

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	Gouveia Goncalves ,I (Isabella)	3	0	-425	2	0	-425	1	0	-425	0	0	0
1	Gouveia Goncalves ,I (Isabella)	3	1199.9	774.9	2	1201.1	774.9	1	1200	774.9	0	0	0
2	Koko ,A (Anisa)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Koko ,A (Anisa)	2	1411	986	1	1391	986	1	1240.4	986	0	0	0
3	Collins ,X (Xiane)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Collins ,X (Xiane)	2	1133	708	1	1132.8	708	1	1184	708	0	0	0
4	Dzadza ,O (Olithemba)	2	1.5	212.5	1	0.5	0	1	1	425	0	0	0
4	Dzadza ,O (Olithemba)	2	1062.6	1275.1	1	1065.6	1062.6	1	1081.3	1487.6	0	0	0
5	Jacobs ,T (Tineecke)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Jacobs ,T (Tineecke)	2	1154.7	729.7	1	1200	729.7	1	1125.8	729.7	0	0	0
6	Fihla ,L (Lethabo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Fihla ,L (Lethabo)	1	1352.8	927.8	1	1362.2	927.8	0	0	0	0	0	0
7	Mushowe ,L (Lee-Anne)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mushowe ,L (Lee-Anne)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Du Toit ,I (Isabella)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Du Toit ,I (Isabella)	1	1314.2	889.2	1	1270.1	889.2	0	0	0	0	0	0
9	Michaels ,B (Bernadine)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Michaels ,B (Bernadine)	1	1269.2	844.2	1	1263.8	844.2	0	0	0	0	0	0
10	Van Der Westhuizen ,L (Lauren)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Der Westhuizen ,L (Lauren)	1	1209.9	784.9	1	1182.1	784.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Van Rooyen, J (Janel)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms