Chess South Africa Ratings Database

PLAYER PAGE

Personal

Weideman, L (Liz)

Chess SA id

2780143636

FIDE id

Date of birth

1978-09-20 (Adult)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1212.2	1297.8	1049.6	1300
Raw rating	1191.7	1276.2	1049.6	1300
Weighted rating	1212.2	1297.8	1046.7	1299.7
Weighted performance	673.3	0	695.3	0
Floor	732.1	800	700	800
K-factor	36	36	36	36
Min/Max rating change allowed	167.8	148.7	205.4	143.8
Highest rating	1232.1 2024-03-01	1300 2024-03-01	1200 2018-10-01	1300 2024-03-01
Highest raw rating	1232.1 2024-03-01	1300 2024-03-01	1200 2019-12-01	1300 2024-03-01
Highest weighted rating	1232.1 2018-10-01	1297.8 2025-11-01	1200 2018-10-01	1296.7 2025-08-01
Highest weighted performance	1200 2019-12-01	1200 2024-03-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.6	-1.5	0	0
New rating	1210.6	1296.3	1049.6	1300
Analysis
Rating	1212.2	1297.8	1049.6	1300
Raw rating	1191.7	1276.2	1049.6	1300
Weighted rating	1212.2	1297.8	1046.7
Weighted performance	673.3	0	695.3
K-factor	36	36	36	36
Floor	732.1	800	700	800
Max/Min rating change allowed	167.8	148.7	205.4	143.8
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	1191.7	1276.2	1049.6	1300
New weighted rating	1210.6	1296.3	1047.5	1300
New weighted performance	668	0	689.8	0
Temp new rating	1210.6	1296.3	1049.6	1300
Temp new rating +/-	-1.6	-1.5	0	0
Final new rating +/-	-1.6	-1.5	0	0
New rating	1210.6	1296.3	1049.6	1300
New K-factor	36	36	36	36
New floor	732.1	800	700	800

Item	Main	Standard	Rapid
	0	0	0
	1	1	0
	6	0	6
	11	0	11
	8	0	8
	0	0	0
History	26	1	25

Games since
	Main 7	Standard 1		Rapid 6		Blitz 0
Gender	Female
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult 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	1	0	0	-425	1200	775
Standard	1	0	0	-425	1200	775
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	26	4.5	17.31	-277.9	1227.4	949.5
Standard	1	0	0	-425	1200	775
Rapid	25	4.5	18	-272	1228.5	956.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1191.7	1276.2	1049.6	1300
2025-09-30	1211.9	1300	1049.6	1300
2025-09-01	1211.9	1300	1049.6	1300
2025-08-01	1211.9	1300	1049.6	1300
2025-07-01	1211.9	1300	1049.6	1300
2025-06-01	1211.9	1300	1049.6	1300
2025-05-01	1211.9	1300	1049.6	1300
2025-04-01	1211.9	1300	1049.6	1300
2025-03-01	1211.9	1300	1049.6	1300
2025-02-01	1211.9	1300	1049.6	1300
2025-01-01	1211.9	1300	1049.6	1300
2024-12-01	1211.9	1300	1049.6	1300
2024-11-01	1211.9	1300	1049.6	1300
2024-10-01	1211.9	1300	1049.6	1300
2024-09-01	1211.9	1300	1049.6	1300
2024-08-01	1211.9	1300	1049.6	1300
2024-07-01	1232.1	1300	1026.8	1300
2024-09-01	1232.1	1300	1026.8	1300
2024-05-01	1232.1	1300	1026.8	1300
2024-04-01	1232.1	1300	1026.8	1300
2024-03-01	1232.1	1300	1026.8	1300
2024-02-01	1232.1	1300	1026.8	1300
2024-01-01	1232.1	1300	1026.8	1300
2023-12-01	1079.8	1200	986.4	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	Cape Town Chess Federation Club League 2025 (D)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	1	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Chess Federation Club League 2025 (D)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	1	0	Yes	Analysis
2	Curro Durbanville Chess Rapid Open 2024 (Parent)	2024-07-13	2024-07-13	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
3	Curro Durbanville Chess Open Rapid 2023 (Parents)	2023-07-15	2023-07-15	Rapid	Cape Town (WCT)	6	6	0.5	Yes	Analysis
4	Cape Town Open 2023 (Rapid)	2023-03-26	2023-03-26	Rapid	Cape Town (WCT)	6	5	1	Yes	Analysis
5	Metro Rapid 2022 (U18 Girls)	2022-10-22	2022-10-22	Rapid	Cape Town (WCT)	5	4	0	Yes	Analysis
6	Curro Durbanville Chess Open Rapid 2022 (Parents)	2022-07-02	2022-07-02	Rapid	Cape Town (WCT)	5	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Smit, S (Susanna)				Opponent Snyman, D (David)
2	1	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-07-15	rnd 5	type Rapid	result 0.5	date 2023-07-15	rnd 5	type Rapid	result 0.5
		Opponent Whyatt, T (Tessa)				Opponent Whyatt, T (Tessa)
3	1	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-26	rnd 3	type Rapid	result 1	date 2023-03-26	rnd 3	type Rapid	result 1
		Opponent Avontuur, M (Michelle)				Opponent Avontuur, M (Michelle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Smit, S (Susanna)				Opponent Snyman, D (David)
2	1	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-07-15	rnd 5	type Rapid	result 0.5	date 2023-07-15	rnd 5	type Rapid	result 0.5
		Opponent Whyatt, T (Tessa)				Opponent Whyatt, T (Tessa)
3	1	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-26	rnd 3	type Rapid	result 1	date 2023-03-26	rnd 3	type Rapid	result 1
		Opponent Avontuur, M (Michelle)				Opponent Avontuur, M (Michelle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Smit, S (Susanna)				Opponent Snyman, D (David)
2	1	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-26	rnd 3	type Rapid	result 1	date 2023-03-26	rnd 3	type Rapid	result 1
		Opponent Avontuur, M (Michelle)				Opponent Avontuur, M (Michelle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Smit, S (Susanna)				Opponent Snyman, D (David)
2	1	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-26	rnd 3	type Rapid	result 1	date 2023-03-26	rnd 3	type Rapid	result 1
		Opponent Avontuur, M (Michelle)				Opponent Avontuur, M (Michelle)

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	Ngobeni ,T (Thapelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Ngobeni ,T (Thapelo)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Rabe ,L (Lara)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Rabe ,L (Lara)	1	1199	774	0	0	0	1	1200	774	0	0	0
3	Butau ,G (George)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Butau ,G (George)	1	1328.3	903.3	0	0	0	1	1297.9	903.3	0	0	0
4	Esterhuizen ,A (Alisha)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Esterhuizen ,A (Alisha)	1	1200	775	0	0	0	1	1200	775	0	0	0
5	Cacambile ,S (Siyamthanda)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Cacambile ,S (Siyamthanda)	1	1200	775	0	0	0	1	1200	775	0	0	0
6	Dippenaar ,F (Francois)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Dippenaar ,F (Francois)	1	1200	775	0	0	0	1	1200	775	0	0	0
7	Adams ,D (Daniele)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Adams ,D (Daniele)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Holdsworth ,J (Jenni)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Holdsworth ,J (Jenni)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Noble ,H (Helen)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
9	Noble ,H (Helen)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
10	Dlamini ,M (Musa)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Dlamini ,M (Musa)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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Personal

Weideman, L (Liz)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms