Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Rooyen, J (Jean)

Chess SA id

1090156762

FIDE id

Date of birth

2009-04-06 (U18)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1235.6	1237.4	1152.5	1200
Raw rating	1235.6	1237.4	1152.5	1200
Weighted rating	1235.6	1237.4	1151.6	1200
Weighted performance	0	0	0	0
Floor	735.6	737.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.6	157.2	177.4	165.8
Highest rating	1427.1 2023-05-01	1425.7 2023-05-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1235.6 2024-02-01	1237.4 2024-02-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1235.6 2025-07-01	1237.4 2025-04-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1427.1 2023-05-01	1425.7 2023-05-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1235.6	1237.4	1152.5	1200
Analysis
Rating	1235.6	1237.4	1152.5	1200
Raw rating	1235.6	1237.4	1152.5	1200
Weighted rating	1235.6	1237.4	1151.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	735.6	737.4	700	700
Max/Min rating change allowed	157.6	157.2	177.4	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	1235.6	1237.4	1152.5	1200
New weighted rating	1235.6	1237.4	1151.7	1200
New weighted performance	0	0	0	0
Temp new rating	1235.6	1237.4	1152.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1235.6	1237.4	1152.5	1200
New K-factor	36	36	36	36
New floor	735.6	737.4	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	9	4	5
	0	0	0
	0	0	0
History	9	4	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-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	5	55.56	47.2	1281.1	1328.3
Standard	4	3	75	212.5	1208.8	1421.3
Rapid	5	2	40	-85	1338.9	1253.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1235.6	1237.4	1152.5	1200
2025-09-30	1235.6	1237.4	1152.5	1200
2025-09-01	1235.6	1237.4	1152.5	1200
2025-08-01	1235.6	1237.4	1152.5	1200
2025-07-01	1235.6	1237.4	1152.5	1200
2025-06-01	1235.6	1237.4	1152.5	1200
2025-05-01	1235.6	1237.4	1152.5	1200
2025-04-01	1235.6	1237.4	1152.5	1200
2025-03-01	1235.6	1237.4	1152.5	1200
2025-02-01	1235.6	1237.4	1152.5	1200
2025-01-01	1235.6	1237.4	1150	1200
2024-12-01	1235.6	1237.4	1150	1200
2024-11-01	1235.6	1237.4	1150	1200
2024-10-01	1235.6	1237.4	1150	1200
2024-09-01	1235.6	1237.4	1150	1200
2024-08-01	1235.6	1237.4	1150	1200
2024-07-01	1235.6	1237.4	1150	1200
2024-09-01	1235.6	1237.4	1150	1200
2024-05-01	1235.6	1237.4	1150	1200
2024-04-01	1235.6	1237.4	1150	1200
2024-03-01	1235.6	1237.4	1150	1200
2024-02-01	1235.6	1237.4	1150	1200
2024-01-01	1235.6	1237.4	1150	1200
2023-12-01	1235.6	1237.4	1150	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	Bojanala's Rosewood 2023 (Rooks)	2023-08-12	2023-08-12	Standard	Bojanala Platina (NBR)	5	0	0	No	Analysis
2	Bojanala School League 2023 (U15)	2023-08-19	2023-08-19	Rapid	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
3	Olienpark - 2nd One for the Ages 2023 (U16)	2023-05-13	2023-05-13	Standard	Bojanala Platina (NBR)	5	4	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Olienpark - 2nd One for the Ages 2023				Tournament Olienpark - 2nd One for the Ages 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-05-13	rnd 5	type Standard	result 1
		Opponent Mogapi, B (Blessing)				Opponent Lesejane, T (Tshireletso)
2	1	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 5	type Rapid	result 1	date 2023-08-19	rnd 5	type Rapid	result 1
		Opponent Masilo, T (Tumelo)				Opponent Masilo, T (Tumelo)
3	1	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 2	type Rapid	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Mfi, R (Reatlegile)				Opponent Mfi, R (Reatlegile)

#	Games	Start				End
1	3	Tournament Olienpark - 2nd One for the Ages 2023				Tournament Olienpark - 2nd One for the Ages 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-05-13	rnd 5	type Standard	result 1
		Opponent Mogapi, B (Blessing)				Opponent Lesejane, T (Tshireletso)

#	Games	Start				End
1	1	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 5	type Rapid	result 1	date 2023-08-19	rnd 5	type Rapid	result 1
		Opponent Masilo, T (Tumelo)				Opponent Masilo, T (Tumelo)
2	1	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 2	type Rapid	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Mfi, R (Reatlegile)				Opponent Mfi, R (Reatlegile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Olienpark - 2nd One for the Ages 2023				Tournament Olienpark - 2nd One for the Ages 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-05-13	rnd 5	type Standard	result 1
		Opponent Mogapi, B (Blessing)				Opponent Lesejane, T (Tshireletso)
2	1	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 5	type Rapid	result 1	date 2023-08-19	rnd 5	type Rapid	result 1
		Opponent Masilo, T (Tumelo)				Opponent Masilo, T (Tumelo)
3	1	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 2	type Rapid	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Mfi, R (Reatlegile)				Opponent Mfi, R (Reatlegile)

#	Games	Start				End
1	3	Tournament Olienpark - 2nd One for the Ages 2023				Tournament Olienpark - 2nd One for the Ages 2023
		date 2023-05-13	rnd 3	type Standard	result 1	date 2023-05-13	rnd 5	type Standard	result 1
		Opponent Mogapi, B (Blessing)				Opponent Lesejane, T (Tshireletso)

#	Games	Start				End
1	1	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 5	type Rapid	result 1	date 2023-08-19	rnd 5	type Rapid	result 1
		Opponent Masilo, T (Tumelo)				Opponent Masilo, T (Tumelo)
2	1	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 2	type Rapid	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Mfi, R (Reatlegile)				Opponent Mfi, R (Reatlegile)

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	Mogapi ,B (Blessing)	1	1	425	1	1	425	0	0	0	0	0	0
1	Mogapi ,B (Blessing)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Molefinyane ,O (Otlotleng)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Molefinyane ,O (Otlotleng)	1	1253.6	828.6	1	1254.8	828.6	0	0	0	0	0	0
3	Lesejane ,T (Tshireletso)	1	1	425	1	1	425	0	0	0	0	0	0
3	Lesejane ,T (Tshireletso)	1	1200.1	1625.1	1	1197.1	1625.1	0	0	0	0	0	0
4	Du Plessis ,A (Anika)	1	1	425	1	1	425	0	0	0	0	0	0
4	Du Plessis ,A (Anika)	1	1181.4	1606.4	1	1177.6	1606.4	0	0	0	0	0	0
5	Masilo ,T (Tumelo)	1	1	425	0	0	0	1	1	425	0	0	0
5	Masilo ,T (Tumelo)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
6	Morake ,O (Orefile)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Morake ,O (Orefile)	1	1436.1	1011.1	0	0	0	1	624.4	1011.1	0	0	0
7	Van Der Walt ,JHT (Jean Hendrik T)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Van Der Walt ,JHT (Jean Hendrik T)	1	1428	1003	0	0	0	1	831.4	1003	0	0	0
8	Mfi ,R (Reatlegile)	1	1	425	0	0	0	1	1	425	0	0	0
8	Mfi ,R (Reatlegile)	1	1185.1	1610.1	0	0	0	1	1200	1610.1	0	0	0
9	Pedersen ,J (Jj)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Pedersen ,J (Jj)	1	1445.5	1020.5	0	0	0	1	1160	1020.5	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Van Rooyen, J (Jean)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms