Chess South Africa Ratings Database

PLAYER PAGE

Personal

Janse Van Rensburg, J (Jean-Jaques)

Chess SA id

1120099319

FIDE id

Date of birth

2012-02-07 (U14)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-07-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	883.6	884.4	1080	1200
Raw rating	883.6	884.4	1080	1200
Weighted rating	883.6	884.4	1080	1200
Weighted performance	399.7	357	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	260.3	260	196.7	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	883.6	884.4	1080	1200
Analysis
Rating	883.6	884.4	1080	1200
Raw rating	883.6	884.4	1080	1200
Weighted rating	883.6	884.4	1080
Weighted performance	399.7	357	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	260.3	260	196.7	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	883.6	884.4	1080	1200
New weighted rating	883.6	884.4	1080	1200
New weighted performance	395	352.1	0	0
Temp new rating	883.6	884.4	1080	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	883.6	884.4	1080	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	10	4	6
	4	4	0
History	52	46	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	52	6.5	12.5	-318.8	1169	850.3
Standard	46	6.5	14.13	-304.9	1164.6	859.7
Rapid	6	0	0	-425	1203.4	778.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	883.6	884.4	1080	1200
2025-09-30	883.6	884.4	1080	1200
2025-09-01	883.6	884.4	1080	1200
2025-08-01	883.6	884.4	1080	1200
2025-07-01	883.6	884.4	1080	1200
2025-06-01	883.6	884.4	1080	1200
2025-05-01	883.6	884.4	1080	1200
2025-04-01	883.6	884.4	1080	1200
2025-03-01	883.6	884.4	1080	1200
2025-02-01	883.6	884.4	1080	1200
2025-01-01	883.6	884.4	1080	1200
2024-12-01	883.6	884.4	1080	1200
2024-11-01	883.6	884.4	1080	1200
2024-10-01	883.6	884.4	1080	1200
2024-09-01	883.6	884.4	1080	1200
2024-08-01	883.6	884.4	1080	1200
2024-07-01	883.6	884.4	1080	1200
2024-09-01	883.6	884.4	1080	1200
2024-05-01	883.6	884.4	1080	1200
2024-04-01	883.6	884.4	1080	1200
2024-03-01	883.6	884.4	1080	1200
2024-02-01	883.6	884.4	1080	1200
2024-01-01	883.6	884.4	1080	1200
2023-12-01	883.6	884.4	1080	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 Chess Federation Clash of Schools 2022 (PS Championship)	2022-07-22	2022-07-22	Standard	Bojanala Platina (NBR)	5	4	0	Yes	Analysis
2	RMS Swiss For Rating of Players 2022 (U11)	2022-05-28	2022-05-28	Rapid	Ekurhuleni (GE)	7	6	0	Yes	Analysis
3	Back to the Board 2021 (U10)	2021-04-17	2021-04-17	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
4	Hoerskool Brits Toernooi 2020 (Development)	2020-03-14	2020-03-14	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
5	Lebone II 2020 (U10)	2020-02-15	2020-02-15	Standard	Bojanala Platina (NBR)	5	4	0	Yes	Analysis
6	Inter Regional Chess Championship 2019 (U8)	2019-05-10	2019-05-11	Standard	Mangaung (FMB)	5	4	0	Yes	Analysis
7	Laerskool Olienpark 2019 (U8)	2019-04-06	2019-04-06	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
8	Fields College Open 2019 (U8)	2019-02-02	2019-02-02	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
9	Hoerskool Brits Tournament 2019 (U8)	2019-02-09	2019-02-09	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
10	Laerskool Brits Tournament 2018 (U8)	2018-08-04	2018-08-04	Standard	Bojanala Platina (NBR)	5	5	0.5	Yes	Analysis
11	Laerskool Olienpark 2018 (U8)	2018-04-21	2018-04-21	Standard	Bojanala Platina (NBR)	5	4	0.5	Yes	Analysis
12	Hoerskool Brits 2018 (U8)	2018-03-17	2018-03-17	Standard	Bojanala Platina (NBR)	5	4	0.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Laerskool Olienpark 2019				Tournament Laerskool Olienpark 2019
		date 2019-04-06	rnd 2	type Standard	result 0.5	date 2019-04-06	rnd 3	type Standard	result 0.5
		Opponent Obrien, P (Patrick)				Opponent Britz, A (Abigail)
2	2	Tournament Hoerskool Brits Tournament 2019				Tournament Hoerskool Brits Tournament 2019
		date 2019-02-09	rnd 4	type Standard	result 0.5	date 2019-02-09	rnd 5	type Standard	result 0.5
		Opponent Gouws, D (Dylan)				Opponent Gouws, K (Karah)
3	2	Tournament Laerskool Olienpark 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-04-21	rnd 5	type Standard	result 0.5	date 2018-08-04	rnd 1	type Standard	result 0.5
		Opponent Wenhold, C (Carli)				Opponent Nkwe, T (Tumalano)

#	Games	Start				End
1	2	Tournament Laerskool Olienpark 2019				Tournament Laerskool Olienpark 2019
		date 2019-04-06	rnd 2	type Standard	result 0.5	date 2019-04-06	rnd 3	type Standard	result 0.5
		Opponent Obrien, P (Patrick)				Opponent Britz, A (Abigail)
2	2	Tournament Hoerskool Brits Tournament 2019				Tournament Hoerskool Brits Tournament 2019
		date 2019-02-09	rnd 4	type Standard	result 0.5	date 2019-02-09	rnd 5	type Standard	result 0.5
		Opponent Gouws, D (Dylan)				Opponent Gouws, K (Karah)
3	2	Tournament Laerskool Olienpark 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-04-21	rnd 5	type Standard	result 0.5	date 2018-08-04	rnd 1	type Standard	result 0.5
		Opponent Wenhold, C (Carli)				Opponent Nkwe, T (Tumalano)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Back to the Board 2021				Tournament Back to the Board 2021
		date 2021-04-17	rnd 5	type Standard	result 1	date 2021-04-17	rnd 5	type Standard	result 1
		Opponent Bantseke, L (Lesedilamodimo)				Opponent Bantseke, L (Lesedilamodimo)
2	1	Tournament Hoerskool Brits Toernooi 2020				Tournament Hoerskool Brits Toernooi 2020
		date 2020-03-14	rnd 5	type Standard	result 1	date 2020-03-14	rnd 5	type Standard	result 1
		Opponent Segonote, B (Bokeing)				Opponent Segonote, B (Bokeing)

#	Games	Start				End
1	1	Tournament Back to the Board 2021				Tournament Back to the Board 2021
		date 2021-04-17	rnd 5	type Standard	result 1	date 2021-04-17	rnd 5	type Standard	result 1
		Opponent Bantseke, L (Lesedilamodimo)				Opponent Bantseke, L (Lesedilamodimo)
2	1	Tournament Hoerskool Brits Toernooi 2020				Tournament Hoerskool Brits Toernooi 2020
		date 2020-03-14	rnd 5	type Standard	result 1	date 2020-03-14	rnd 5	type Standard	result 1
		Opponent Segonote, B (Bokeing)				Opponent Segonote, B (Bokeing)

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	Obrien ,P (Patrick)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
1	Obrien ,P (Patrick)	3	1177.6	894.2	3	1171.3	894.2	0	0	0	0	0	0
2	Nkwe ,T (Tumalano)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Nkwe ,T (Tumalano)	3	967.2	825.5	3	932.5	825.5	0	0	0	0	0	0
3	De Kock ,D (De-Han)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	De Kock ,D (De-Han)	2	1191.8	979.3	2	1190.2	979.3	0	0	0	0	0	0
4	Janse Van Vuuren ,M (Mari)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Janse Van Vuuren ,M (Mari)	2	1093.6	668.6	2	1097.6	668.6	0	0	0	0	0	0
5	Smit ,H (Handre)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Smit ,H (Handre)	2	1146.7	934.2	2	1134.6	934.2	0	0	0	0	0	0
6	Gouws ,K (Karah)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
6	Gouws ,K (Karah)	2	1172.8	960.3	2	1166.6	960.3	0	0	0	0	0	0
7	Chotia ,N (Naeem)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Chotia ,N (Naeem)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Swemmer ,B (Bianca)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Swemmer ,B (Bianca)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Segonote ,B (Bokeing)	1	1	425	1	1	425	0	0	0	0	0	0
9	Segonote ,B (Bokeing)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Kruger ,L (Logan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Kruger ,L (Logan)	1	1227.9	802.9	1	1230.4	802.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Janse Van Rensburg, J (Jean-Jaques)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms