Chess South Africa Ratings Database

PLAYER PAGE

Personal

Weideman, AJ (Albertus Johannes)

Chess SA id

1760134870

FIDE id

Date of birth

1976-02-21 (Adult)

Gender

Male

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-03-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1353.2	1283.9	1300	1323.2
Raw rating	1353.2	1283.9	1300	1323.2
Weighted rating	1352.2	1283.6	1299	1322
Weighted performance	0	0	0	0
Floor	853.2	783.9	800	823.2
K-factor	36	36	36	36
Min/Max rating change allowed	133.3	147.1	143.8	139.1
Highest rating	1468.6 2023-03-01	1455.7 2023-03-01	1300 2024-02-01	1323.2 2024-02-01
Highest raw rating	1353.2 2024-02-01	1283.9 2024-02-01	1300 2024-02-01	1323.2 2024-02-01
Highest weighted rating	1349.7 2025-08-01	1283 2025-08-01	1296.7 2025-08-01	1319.1 2025-08-01
Highest weighted performance	1468.6 2023-03-01	1455.7 2023-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1353.2	1283.9	1300	1323.2
Analysis
Rating	1353.2	1283.9	1300	1323.2
Raw rating	1353.2	1283.9	1300	1323.2
Weighted rating	1352.2	1283.6	1299
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	853.2	783.9	800	823.2
Max/Min rating change allowed	133.3	147.1	143.8	139.1
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	1353.2	1283.9	1300	1323.2
New weighted rating	1352.9	1283.8	1299.7	1322.8
New weighted performance	0	0	0	0
Temp new rating	1353.2	1283.9	1300	1323.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1353.2	1283.9	1300	1323.2
New K-factor	36	36	36	36
New floor	853.2	783.9	800	823.2

Item	Main	Standard
	0	0
	0	0
	0	0
	5	5
	0	0
	0	0
History	5	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
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	5	3	60	85	1373.6	1458.6
Standard	5	3	60	85	1373.6	1458.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1353.2	1283.9	1300	1323.2
2025-09-01	1353.2	1283.9	1300	1323.2
2025-08-01	1353.2	1283.9	1300	1323.2
2025-07-01	1353.2	1283.9	1300	1323.2
2025-06-01	1353.2	1283.9	1300	1323.2
2025-05-01	1353.2	1283.9	1300	1323.2
2025-04-01	1353.2	1283.9	1300	1323.2
2025-03-01	1353.2	1283.9	1300	1323.2
2025-02-01	1353.2	1283.9	1300	1323.2
2025-01-01	1353.2	1283.9	1300	1323.2
2024-12-01	1353.2	1283.9	1300	1323.2
2024-11-01	1353.2	1283.9	1300	1323.2
2024-10-01	1353.2	1283.9	1300	1323.2
2024-09-01	1353.2	1283.9	1300	1323.2
2024-08-01	1353.2	1283.9	1300	1323.2
2024-07-01	1353.2	1283.9	1300	1323.2
2024-06-01	1353.2	1283.9	1300	1323.2
2024-08-01	1353.2	1283.9	1300	1323.2
2024-04-01	1353.2	1283.9	1300	1323.2
2024-03-01	1353.2	1283.9	1300	1323.2
2024-02-01	1353.2	1283.9	1300	1323.2
2024-01-01	1353.2	1283.9	1300	1323.2
2023-12-01	1248.8	1255.6	1200	1200
2023-11-01	1248.8	1255.6	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	Chris Greyling Open Tournament 2023 (B)	2023-03-21	2023-03-21	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Chris Greyling Open Tournament 2023				Tournament Chris Greyling Open Tournament 2023
		date 2023-03-21	rnd 3	type Standard	result 1	date 2023-03-21	rnd 5	type Standard	result 1
		Opponent Theron, L (Lydia)				Opponent Sibanda, AP (Andile Patience)

#	Games	Start				End
1	3	Tournament Chris Greyling Open Tournament 2023				Tournament Chris Greyling Open Tournament 2023
		date 2023-03-21	rnd 3	type Standard	result 1	date 2023-03-21	rnd 5	type Standard	result 1
		Opponent Theron, L (Lydia)				Opponent Sibanda, AP (Andile Patience)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Chris Greyling Open Tournament 2023				Tournament Chris Greyling Open Tournament 2023
		date 2023-03-21	rnd 3	type Standard	result 1	date 2023-03-21	rnd 5	type Standard	result 1
		Opponent Theron, L (Lydia)				Opponent Sibanda, AP (Andile Patience)

#	Games	Start				End
1	3	Tournament Chris Greyling Open Tournament 2023				Tournament Chris Greyling Open Tournament 2023
		date 2023-03-21	rnd 3	type Standard	result 1	date 2023-03-21	rnd 5	type Standard	result 1
		Opponent Theron, L (Lydia)				Opponent Sibanda, AP (Andile Patience)

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	Grobler ,JTW (Johannes Theodorus Wessel)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Grobler ,JTW (Johannes Theodorus Wessel)	1	1378.4	953.4	1	1353.7	953.4	0	0	0	0	0	0
2	Buhrs ,J (Jethro)	1	1	425	1	1	425	0	0	0	0	0	0
2	Buhrs ,J (Jethro)	1	1401.7	1826.7	1	1394.8	1826.7	0	0	0	0	0	0
3	Kutchoukov ,I (Ivan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Kutchoukov ,I (Ivan)	1	1378.3	953.3	1	1372.9	953.3	0	0	0	0	0	0
4	Sibanda ,AP (Andile Patience)	1	1	425	1	1	425	0	0	0	0	0	0
4	Sibanda ,AP (Andile Patience)	1	1375.8	1800.8	1	1360.7	1800.8	0	0	0	0	0	0
5	Theron ,L (Lydia)	1	1	425	1	1	425	0	0	0	0	0	0
5	Theron ,L (Lydia)	1	1333.9	1758.9	1	1322.1	1758.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Weideman, AJ (Albertus Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms