Chess South Africa Ratings Database

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Liebenberg, FW (Frederick Willem)

Chess SA id

179018022

FIDE id

Date of birth

1979-02-21 (Adult)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1566.5	1567.6	1537.7	1545.7
Raw rating	1566.5	1567.6	1537.7	1545.7
Weighted rating	1557.1	1554.3	1537.7	1545.7
Weighted performance	1355.7	1335.4	0	0
Floor	1075.7	1088.2	1045.7	1045.7
K-factor	32	32	32	32
Min/Max rating change allowed	98.4	98.2	102.5	101.3
Highest rating	1586.8 2018-04-01	1588.2 2023-04-01	1545.7 2019-06-01	1545.7 2024-02-01
Highest raw rating	1575.7 2023-04-01	1588.2 2023-04-01	1545.7 2018-02-01	1545.7 2024-02-01
Highest weighted rating	1575.7 2019-09-01	1588.2 2023-07-01	1545.7 2019-06-01	1545.7 2024-02-01
Highest weighted performance	1586.8 2018-04-01	1586.8 2018-04-01	1414.9 2019-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1566.5	1567.6	1537.7	1545.7
Analysis
Rating	1566.5	1567.6	1537.7	1545.7
Raw rating	1566.5	1567.6	1537.7	1545.7
Weighted rating	1557.1	1554.3	1537.7
Weighted performance	1355.7	1335.4	0
K-factor	32	32	32	32
Floor	1075.7	1088.2	1045.7	1045.7
Max/Min rating change allowed	98.4	98.2	102.5	101.3
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	1566.5	1567.6	1537.7	1545.7
New weighted rating	1558.2	1555.8	1537.7	1545.7
New weighted performance	1346.8	1326.6	0	0
Temp new rating	1566.5	1567.6	1537.7	1545.7
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1566.5	1567.6	1537.7	1545.7
New K-factor	32	32	32	32
New floor	1075.7	1088.2	1045.7	1045.7

Item	Main	Standard	Rapid
	0	0	0
	12	12	0
	16	16	0
	23	23	0
	5	5	0
	0	0	0
History	276	267	9

Games since
	Main 28	Standard 28		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
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	12	9	75	212.5	1355.7	1568.2
Standard	12	9	75	212.5	1355.7	1568.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	85	64	75.29	215	1294.6	1509.6
Standard	80	60	75	212.5	1302	1514.5
Rapid	5	4	80	255	1175	1430
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1566.5	1567.6	1537.7	1545.7
2025-09-30	1566.5	1567.6	1537.7	1545.7
2025-09-01	1566.5	1567.6	1537.7	1545.7
2025-08-01	1566.5	1567.6	1537.7	1545.7
2025-07-01	1566.5	1567.6	1537.7	1545.7
2025-06-01	1566.5	1567.6	1537.7	1545.7
2025-05-01	1566.5	1567.6	1537.7	1545.7
2025-04-01	1566.5	1567.6	1537.7	1545.7
2025-03-01	1542.3	1535.8	1537.7	1545.7
2025-02-01	1540.9	1533.4	1537.7	1545.7
2025-01-01	1535.6	1524.5	1537.7	1545.7
2024-12-01	1535.6	1524.5	1537.7	1545.7
2024-11-01	1535.6	1524.5	1537.7	1545.7
2024-10-01	1556.3	1551.7	1537.7	1545.7
2024-09-01	1556.3	1551.7	1537.7	1545.7
2024-08-01	1556.3	1551.7	1537.7	1545.7
2024-07-01	1556.3	1551.7	1537.7	1545.7
2024-09-01	1556.3	1551.7	1537.7	1545.7
2024-05-01	1556.3	1551.7	1537.7	1545.7
2024-04-01	1543.3	1534.3	1537.7	1545.7
2024-03-01	1543.3	1534.3	1537.7	1545.7
2024-02-01	1543.3	1534.3	1537.7	1545.7
2024-01-01	1567.7	1563.9	1537.7	1545.7
2023-12-01	1507.7	1504.2	1526.1	1545.7

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	SA Braille Open 2025	2025-03-22	2025-03-23	Standard	Cape Winelands (WCW)	6	6	5	Yes	Analysis
2	Marie Delport Memorial 2025 (Open)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SA Braille Open 2025	2025-03-22	2025-03-23	Standard	Cape Winelands (WCW)	6	6	5	Yes	Analysis
2	Marie Delport Memorial 2025 (Open)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
3	Strategema Chess October 2024 (Open)	2024-10-05	2024-10-05	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
4	South African Braille Open 2024	2024-03-09	2024-03-09	Standard	Cape Winelands (WCW)	5	5	4.5	Yes	Analysis
5	Cape Winelands - Marie Delport Memorial 2024 (Open)	2024-01-27	2024-01-28	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
6	Cape Winelands Open 2023 (Championship)	2023-07-22	2023-07-23	Standard	Cape Winelands (WCW)	6	6	0	Yes	Analysis
7	Strategema 2023 (Open)	2023-05-13	2023-05-13	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
8	SA Braille South 2023	2023-03-18	2023-03-19	Standard	Cape Winelands (WCW)	5	5	4.5	Yes	Analysis
9	Braille Top 8 2023	2023-03-20	2023-03-21	Standard	Cape Winelands (WCW)	7	7	7	Yes	Analysis
10	SA Braille 2022	2022-04-16	2022-04-17	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
11	Robertson Strategema 2019 (Open)	2019-10-05	2019-10-05	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
12	Braille Top 8 2019	2019-09-14	2019-09-15	Standard	Cape Winelands (WCW)	7	7	5	Yes	Analysis
13	SA Braille Worcester 2019	2019-03-23	2019-03-24	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
14	Braille Top 8 2019	2019-03-21	2019-03-22	Standard	Cape Winelands (WCW)	7	7	7	Yes	Analysis
15	Sa Braille Worcester Open 2018	2018-04-27	2018-04-28	Standard	Cape Winelands (WCW)	7	5	4.5	Yes	Analysis

#	Games	Start				End
1	14	Tournament SA Braille 2022				Tournament Strategema 2023
		date 2022-04-17	rnd 5	type Standard	result 1	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Geyer, D (David)				Opponent Klue, CR (Christiaan Reue)
2	14	Tournament Sa Braille Worcester Open 2018				Tournament SA Braille Worcester 2019
		date 2018-04-27	rnd 1	type Standard	result 1	date 2019-03-23	rnd 2	type Standard	result 1
		Opponent Bresler, C (Conrad)				Opponent Leonard, C (Clyde)
3	8	Tournament Marie Delport Memorial 2025				Tournament SA Braille Open 2025
		date 2025-01-25	rnd 2	type Standard	result 1	date 2025-03-22	rnd 3	type Standard	result 1
		Opponent Geyer, D (David)				Opponent Grib, J (Johannes)

#	Games	Start				End
1	14	Tournament SA Braille 2022				Tournament Strategema 2023
		date 2022-04-17	rnd 5	type Standard	result 1	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Geyer, D (David)				Opponent Klue, CR (Christiaan Reue)
2	14	Tournament Sa Braille Worcester Open 2018				Tournament SA Braille Worcester 2019
		date 2018-04-27	rnd 1	type Standard	result 1	date 2019-03-23	rnd 2	type Standard	result 1
		Opponent Bresler, C (Conrad)				Opponent Leonard, C (Clyde)
3	8	Tournament Marie Delport Memorial 2025				Tournament SA Braille Open 2025
		date 2025-01-25	rnd 2	type Standard	result 1	date 2025-03-22	rnd 3	type Standard	result 1
		Opponent Geyer, D (David)				Opponent Grib, J (Johannes)

#	Games	Start				End
1	3	Tournament Robertson Strategema 2019				Tournament Robertson Strategema 2019
		date 2019-10-05	rnd 1	type Rapid	result 1	date 2019-10-05	rnd 3	type Rapid	result 1
		Opponent Henning, J (Johan)				Opponent Geyer, D (David)
2	1	Tournament Robertson Strategema 2019				Tournament Robertson Strategema 2019
		date 2019-10-05	rnd 5	type Rapid	result 1	date 2019-10-05	rnd 5	type Rapid	result 1
		Opponent Bresler, C (Conrad)				Opponent Bresler, C (Conrad)

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament Sa Braille Worcester Open 2018				Tournament SA Braille Worcester 2019
		date 2018-04-27	rnd 5	type Standard	result 1	date 2019-03-23	rnd 2	type Standard	result 1
		Opponent Richter, HL (Heinrich)				Opponent Leonard, C (Clyde)
2	9	Tournament SA Braille South 2023				Tournament Strategema 2023
		date 2023-03-19	rnd 5	type Standard	result 1	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Isaacs, WS (William)				Opponent Klue, CR (Christiaan Reue)
3	7	Tournament SA Braille Worcester 2019				Tournament Braille Top 8 2019
		date 2019-03-23	rnd 4	type Standard	result 1	date 2019-09-14	rnd 5	type Standard	result 1
		Opponent Geyer, D (David)				Opponent Brown, S (Sam)

#	Games	Start				End
1	10	Tournament Sa Braille Worcester Open 2018				Tournament SA Braille Worcester 2019
		date 2018-04-27	rnd 5	type Standard	result 1	date 2019-03-23	rnd 2	type Standard	result 1
		Opponent Richter, HL (Heinrich)				Opponent Leonard, C (Clyde)
2	9	Tournament SA Braille South 2023				Tournament Strategema 2023
		date 2023-03-19	rnd 5	type Standard	result 1	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Isaacs, WS (William)				Opponent Klue, CR (Christiaan Reue)
3	7	Tournament SA Braille Worcester 2019				Tournament Braille Top 8 2019
		date 2019-03-23	rnd 4	type Standard	result 1	date 2019-09-14	rnd 5	type Standard	result 1
		Opponent Geyer, D (David)				Opponent Brown, S (Sam)

#	Games	Start				End
1	3	Tournament Robertson Strategema 2019				Tournament Robertson Strategema 2019
		date 2019-10-05	rnd 1	type Rapid	result 1	date 2019-10-05	rnd 3	type Rapid	result 1
		Opponent Henning, J (Johan)				Opponent Geyer, D (David)
2	1	Tournament Robertson Strategema 2019				Tournament Robertson Strategema 2019
		date 2019-10-05	rnd 5	type Rapid	result 1	date 2019-10-05	rnd 5	type Rapid	result 1
		Opponent Bresler, C (Conrad)				Opponent Bresler, C (Conrad)

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	Isaacs ,WS (William Samuel)	9	7	236.1	9	7	236.1	0	0	0	0	0	0
1	Isaacs ,WS (William Samuel)	9	1337.9	1574	9	1342.3	1574	0	0	0	0	0	0
2	Richter ,HL (Heinrich Lodewikus)	9	8	330.6	9	8	330.6	0	0	0	0	0	0
2	Richter ,HL (Heinrich Lodewikus)	9	1315.6	1646.1	9	1310.6	1646.1	0	0	0	0	0	0
3	Geyer ,D (David)	7	6	303.6	6	5	283.3	1	1	425	0	0	0
3	Geyer ,D (David)	7	1254.3	1557.9	6	1250.8	1537.6	1	1196	1679.3	0	0	0
4	Bresler ,C (Conrad)	5	5	425	4	4	425	1	1	425	0	0	0
4	Bresler ,C (Conrad)	5	1132.3	1557.3	4	1131.3	1557.3	1	1075.1	1557.3	0	0	0
5	Lucas ,M (Melvyn)	4	2	0	4	2	0	0	0	0	0	0	0
5	Lucas ,M (Melvyn)	4	1470.4	1470.4	4	1471.4	1470.4	0	0	0	0	0	0
6	Viljoen ,DJL (Daniel Josias Lengenfel)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
6	Viljoen ,DJL (Daniel Josias Lengenfel)	3	1441.4	1724.8	3	1445.5	1724.8	0	0	0	0	0	0
7	Rossouw ,J (Joan)	3	3	425	3	3	425	0	0	0	0	0	0
7	Rossouw ,J (Joan)	3	1131.6	1556.6	3	1117.6	1556.6	0	0	0	0	0	0
8	Leonard ,C (Clyde)	3	3	425	3	3	425	0	0	0	0	0	0
8	Leonard ,C (Clyde)	3	1124.4	1549.4	3	1127.5	1549.4	0	0	0	0	0	0
9	Neethling ,FJ (Francois Jacques)	2	2	425	2	2	425	0	0	0	0	0	0
9	Neethling ,FJ (Francois Jacques)	2	1225.7	1650.7	2	1208.1	1650.7	0	0	0	0	0	0
10	Brown ,S (Sam)	2	2	425	2	2	425	0	0	0	0	0	0
10	Brown ,S (Sam)	2	1202.9	1627.9	2	1205.4	1627.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Liebenberg, FW (Frederick Willem)

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Last 24 raw ratings

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Top 3 Streaks

Top 10 opponents most often played

Norms