Chess South Africa Ratings Database

PLAYER PAGE

Personal

Janse Van Vuuren, AJ (Aj)

Chess SA id

100086159

FIDE id

Date of birth

2000-09-26 (Adult)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1072	1072	736.6	736.6
Raw rating	1072	1072	736.6	736.6
Weighted rating	1071.8	1071.8	736.6	736.6
Weighted performance	126.1	126.3	0	0
Floor	572	572	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	199	199	320.9	320.9
Highest rating	1220.6 2018-04-01	1227.7 2018-04-01	1200 2024-03-01	1200 2024-03-01
Highest raw rating	1072 2024-03-01	1072 2024-03-01	736.6 2024-03-01	736.6 2024-03-01
Highest weighted rating	1072 2024-11-01	1072 2024-11-01	736.6 2024-11-01	736.6 2024-11-01
Highest weighted performance	1220.6 2018-04-01	1227.7 2018-04-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1072	1072	736.6	736.6
Analysis
Rating	1072	1072	736.6	736.6
Raw rating	1072	1072	736.6	736.6
Weighted rating	1071.8	1071.8	736.6
Weighted performance	126.1	126.3	0
K-factor	40	40	40	40
Floor	572	572	500	500
Max/Min rating change allowed	199	199	320.9	320.9
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	1072	1072	736.6	736.6
New weighted rating	1071.9	1071.9	736.6	736.6
New weighted performance	125.7	125.9	0	0
Temp new rating	1072	1072	736.6	736.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1072	1072	736.6	736.6
New K-factor	40	40	40	40
New floor	572	572	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	74	74

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	36	15	41.67	-70.8	1174.1	1103.2
Standard	36	15	41.67	-70.8	1174.1	1103.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1072	1072	736.6	736.6
2025-09-01	1072	1072	736.6	736.6
2025-08-01	1072	1072	736.6	736.6
2025-07-01	1072	1072	736.6	736.6
2025-06-01	1072	1072	736.6	736.6
2025-05-01	1072	1072	736.6	736.6
2025-04-01	1072	1072	736.6	736.6
2025-03-01	1072	1072	736.6	736.6
2025-02-01	1072	1072	736.6	736.6
2025-01-01	1072	1072	736.6	736.6
2024-12-01	1072	1072	736.6	736.6
2024-11-01	1072	1072	736.6	736.6
2024-10-01	1072	1072	736.6	736.6
2024-09-01	1072	1072	736.6	736.6
2024-08-01	1072	1072	736.6	736.6
2024-07-01	1072	1072	736.6	736.6
2024-06-01	1072	1072	736.6	736.6
2024-08-01	1072	1072	736.6	736.6
2024-04-01	1072	1072	736.6	736.6
2024-03-01	1072	1072	736.6	736.6
2024-02-01	1072	1072	736.6	736.6
2024-01-01	1072	1072	736.6	736.6
2023-12-01	1053.6	1055.6	736.6	736.6
2023-11-01	1053.6	1055.6	736.6	736.6

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	South African Junior Team Championships 2018 (U20A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	0	Yes	Analysis
2	Laerskool Brits Tournament 2018 (U20+Open)	2018-08-04	2018-08-04	Standard	Bojanala Platina (NBR)	5	4	1.5	Yes	Analysis
3	Ho�rskool Frikkie Meyer 2018 (A)	2018-07-21	2018-07-21	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
4	Laerskool Proteapark Chess 2018 (A)	2018-05-19	2018-05-19	Standard	Bojanala Platina (NBR)	5	5	1.5	Yes	Analysis
5	Laerskool Olienpark 2018 (Open)	2018-04-21	2018-04-21	Standard	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis
6	Laerskool Rustenburg 2018 (C)	2018-03-24	2018-03-24	Standard	Bojanala Platina (NBR)	5	5	5	Yes	Analysis
7	Hoerskool Brits 2018 (U18+Open)	2018-03-17	2018-03-17	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Hoerskool Brits 2018				Tournament Laerskool Olienpark 2018
		date 2018-03-17	rnd 5	type Standard	result 1	date 2018-04-21	rnd 1	type Standard	result 1
		Opponent Austin, B (Billy-James)				Opponent Van Zyl, D (Daniel)
2	3	Tournament Laerskool Olienpark 2018				Tournament Laerskool Olienpark 2018
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-04-21	rnd 5	type Standard	result 0.5
		Opponent Du Preez, W (Wessel)				Opponent Nkwe, O (Omogolo)
3	2	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Proteapark Chess 2018
		date 2018-05-19	rnd 2	type Standard	result 0.5	date 2018-05-19	rnd 3	type Standard	result 1
		Opponent Segale, N (Neo)				Opponent Ntsileng, SR (Sebaga)

#	Games	Start				End
1	7	Tournament Hoerskool Brits 2018				Tournament Laerskool Olienpark 2018
		date 2018-03-17	rnd 5	type Standard	result 1	date 2018-04-21	rnd 1	type Standard	result 1
		Opponent Austin, B (Billy-James)				Opponent Van Zyl, D (Daniel)
2	3	Tournament Laerskool Olienpark 2018				Tournament Laerskool Olienpark 2018
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-04-21	rnd 5	type Standard	result 0.5
		Opponent Du Preez, W (Wessel)				Opponent Nkwe, O (Omogolo)
3	2	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Proteapark Chess 2018
		date 2018-05-19	rnd 2	type Standard	result 0.5	date 2018-05-19	rnd 3	type Standard	result 1
		Opponent Segale, N (Neo)				Opponent Ntsileng, SR (Sebaga)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Hoerskool Brits 2018				Tournament Laerskool Olienpark 2018
		date 2018-03-17	rnd 5	type Standard	result 1	date 2018-04-21	rnd 1	type Standard	result 1
		Opponent Austin, B (Billy-James)				Opponent Van Zyl, D (Daniel)
2	2	Tournament Laerskool Olienpark 2018				Tournament Laerskool Olienpark 2018
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-04-21	rnd 4	type Standard	result 1
		Opponent Du Preez, W (Wessel)				Opponent Mokone, G (Gomolemo)
3	1	Tournament Laerskool Brits Tournament 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-08-04	rnd 5	type Standard	result 1	date 2018-08-04	rnd 5	type Standard	result 1
		Opponent Mogotsi, K (Karabo)				Opponent Mogotsi, K (Karabo)

#	Games	Start				End
1	7	Tournament Hoerskool Brits 2018				Tournament Laerskool Olienpark 2018
		date 2018-03-17	rnd 5	type Standard	result 1	date 2018-04-21	rnd 1	type Standard	result 1
		Opponent Austin, B (Billy-James)				Opponent Van Zyl, D (Daniel)
2	2	Tournament Laerskool Olienpark 2018				Tournament Laerskool Olienpark 2018
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-04-21	rnd 4	type Standard	result 1
		Opponent Du Preez, W (Wessel)				Opponent Mokone, G (Gomolemo)
3	1	Tournament Laerskool Brits Tournament 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-08-04	rnd 5	type Standard	result 1	date 2018-08-04	rnd 5	type Standard	result 1
		Opponent Mogotsi, K (Karabo)				Opponent Mogotsi, K (Karabo)

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	Du Preez ,W (Wessel)	4	2	0	4	2	0	0	0	0	0	0	0
1	Du Preez ,W (Wessel)	4	919	919	4	939.1	919	0	0	0	0	0	0
2	Van Zyl ,D (Daniel)	2	2	425	2	2	425	0	0	0	0	0	0
2	Van Zyl ,D (Daniel)	2	1196.7	1621.7	2	1196	1621.7	0	0	0	0	0	0
3	Nkwe ,O (Omogolo)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Nkwe ,O (Omogolo)	2	1607.2	1394.8	2	1613.3	1394.8	0	0	0	0	0	0
4	Van Der Westhuizen ,PJ (Petrus Jeremias)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Van Der Westhuizen ,PJ (Petrus Jeremias)	2	1350.1	925.1	2	1359.1	925.1	0	0	0	0	0	0
5	Mbele ,B (Bokang)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mbele ,B (Bokang)	1	645.5	1070.5	1	663.2	1070.5	0	0	0	0	0	0
6	Manale ,R (Remy)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Manale ,R (Remy)	1	1395.4	970.4	1	1398.1	970.4	0	0	0	0	0	0
7	Lynch ,J (Justin)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Lynch ,J (Justin)	1	1861.6	1436.6	1	1848.7	1436.6	0	0	0	0	0	0
8	Louw ,D (Deon)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Louw ,D (Deon)	1	1226.5	801.5	1	1217.2	801.5	0	0	0	0	0	0
9	Van Der Westhuizen ,PJ (Petrus)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Der Westhuizen ,PJ (Petrus)	1	638.5	1063.5	1	649.2	1063.5	0	0	0	0	0	0
10	Austin ,B (Billy-James)	1	1	425	1	1	425	0	0	0	0	0	0
10	Austin ,B (Billy-James)	1	720.4	1145.4	1	736	1145.4	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 Vuuren, AJ (Aj)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms