Chess South Africa Ratings Database

PLAYER PAGE

Personal

Louw, WI (Wilhelm)

Chess SA id

158018660

FIDE id

Date of birth

1958-06-25 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1609.9	1609.4	1667.5	1670
Raw rating	1609.9	1609.4	1662.9	1670
Weighted rating	1606.4	1609.2	1667.5	1669.8
Weighted performance	0	0	0	0
Floor	1151	1151	1170	1170
K-factor	28	28	28	28
Min/Max rating change allowed	92.5	92.5	85.7	84.9
Highest rating	1651 2019-10-01	1651 2019-10-01	1670 2024-02-01	1670 2024-02-01
Highest raw rating	1651 2019-12-01	1651 2019-12-01	1670 2024-02-01	1670 2024-02-01
Highest weighted rating	1651 2019-10-01	1651 2019-10-01	1670 2025-07-01	1669.4 2025-08-01
Highest weighted performance	1345.4 2022-10-01	1350.7 2022-10-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0.1	0
New rating	1609.9	1609.4	1667.6	1670
Analysis
Rating	1609.9	1609.4	1667.5	1670
Raw rating	1609.9	1609.4	1662.9	1670
Weighted rating	1606.4	1609.2	1667.5
Weighted performance	0	0	0
K-factor	28	28	28	28
Floor	1151	1151	1170	1170
Max/Min rating change allowed	92.5	92.5	85.7	84.9
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	1609.9	1609.4	1662.9	1670
New weighted rating	1606.9	1609.3	1667.6	1669.9
New weighted performance	0	0	0	0
Temp new rating	1609.9	1609.4	1667.6	1670
Temp new rating +/-	0	0	0.1	0
Final new rating +/-	0	0	0.1	0
New rating	1609.9	1609.4	1667.6	1670
New K-factor	28	28	28	28
New floor	1151	1151	1170	1170

Item	Main	Standard	Rapid
	0	0	0
	22	0	22
	0	0	0
	0	0	0
	11	6	5
	0	0	0
History	39	12	27

Games since
	Main 22	Standard 0		Rapid 22		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	68		21		3
Male	67		20		3
Adult	49		19		3
Adult Male	48		18		3
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	22	14	63.64	115.9	1504.9	1620.8
Standard	0	0	0	0	0	0
Rapid	22	14	63.64	115.9	1504.9	1620.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	33	19	57.58	64.4	1478.9	1543.3
Standard	6	2.5	41.67	-70.8	1438.2	1367.4
Rapid	27	16.5	61.11	94.4	1487.9	1582.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1609.9	1609.4	1662.9	1670
2025-09-01	1609.9	1609.4	1662.9	1670
2025-08-01	1609.9	1609.4	1662.9	1670
2025-07-01	1605.7	1609.4	1670	1670
2025-06-01	1605.7	1609.4	1670	1670
2025-05-01	1605.7	1609.4	1670	1670
2025-04-01	1605.7	1609.4	1670	1670
2025-03-01	1605.7	1609.4	1670	1670
2025-02-01	1605.7	1609.4	1670	1670
2025-01-01	1605.7	1609.4	1670	1670
2024-12-01	1605.7	1609.4	1670	1670
2024-11-01	1605.7	1609.4	1670	1670
2024-10-01	1605.7	1609.4	1670	1670
2024-09-01	1605.7	1609.4	1670	1670
2024-08-01	1605.7	1609.4	1670	1670
2024-07-01	1605.7	1609.4	1670	1670
2024-06-01	1605.7	1609.4	1670	1670
2024-08-01	1605.7	1609.4	1670	1670
2024-04-01	1605.7	1609.4	1670	1670
2024-03-01	1605.7	1609.4	1670	1670
2024-02-01	1605.7	1609.4	1670	1670
2024-01-01	1605.7	1609.4	1670	1670
2023-12-01	1579.2	1592.8	1585.2	1651
2023-11-01	1579.2	1592.8	1585.2	1651

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	Knysna Oyster Festival Rapid 2025 (Open)	2025-07-12	2025-07-12	Rapid	Eden (WEG)	6	11	7	Yes	Analysis
2	Knysna Oyster Festival Rapid 2025 (Open)	2025-07-12	2025-07-12	Rapid	Eden (WEG)	6	11	7	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Knysna Oyster Festival Rapid 2025 (Open)	2025-07-12	2025-07-12	Rapid	Eden (WEG)	6	11	7	Yes	Analysis
2	Knysna Oyster Festival Rapid 2025 (Open)	2025-07-12	2025-07-12	Rapid	Eden (WEG)	6	11	7	Yes	Analysis
3	Mossel Bay Open 2022 (A)	2022-09-30	2022-10-02	Standard	Eden (WEG)	6	6	2.5	Yes	Analysis
4	Knysna Oyster Festival Rapid Chess 2022 (A)	2022-07-02	2022-07-02	Rapid	Eden (WEG)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Mossel Bay Open 2022				Tournament Knysna Oyster Festival Rapid 2025
		date 2022-10-01	rnd 3	type Standard	result 0.5	date 2025-07-12	rnd 1	type Rapid	result 1
		Opponent Chaava, A (Aaron)				Opponent Beswick, T (Tayne)
2	4	Tournament Knysna Oyster Festival Rapid 2025				Tournament Knysna Oyster Festival Rapid 2025
		date 2025-07-12	rnd 4	type Rapid	result 0.5	date 2025-07-12	rnd 5	type Rapid	result 1
		Opponent Borrett, R (Ryan)				Opponent Fourie, C (Corne)
3	2	Tournament Knysna Oyster Festival Rapid 2025				Tournament Knysna Oyster Festival Rapid 2025
		date 2025-07-12	rnd 2	type Rapid	result 0.5	date 2025-07-12	rnd 3	type Rapid	result 1
		Opponent Pryse, JAY (Jayson)				Opponent Bowen, AJ (Anthony John)

#	Games	Start				End
1	4	Tournament Mossel Bay Open 2022				Tournament Mossel Bay Open 2022
		date 2022-10-01	rnd 3	type Standard	result 0.5	date 2022-10-02	rnd 6	type Standard	result 0.5
		Opponent Chaava, A (Aaron)				Opponent Michaels, E (Enrico)

#	Games	Start				End
1	4	Tournament Knysna Oyster Festival Rapid 2025				Tournament Knysna Oyster Festival Rapid 2025
		date 2025-07-12	rnd 4	type Rapid	result 0.5	date 2025-07-12	rnd 5	type Rapid	result 1
		Opponent Borrett, R (Ryan)				Opponent Fourie, C (Corne)
2	2	Tournament Knysna Oyster Festival Rapid 2025				Tournament Knysna Oyster Festival Rapid 2025
		date 2025-07-12	rnd 2	type Rapid	result 0.5	date 2025-07-12	rnd 3	type Rapid	result 1
		Opponent Pryse, JAY (Jayson)				Opponent Bowen, AJ (Anthony John)
3	2	Tournament Knysna Oyster Festival Rapid Chess 2022				Tournament Knysna Oyster Festival Rapid 2025
		date 2022-07-02	rnd 5	type Rapid	result 0.5	date 2025-07-12	rnd 1	type Rapid	result 1
		Opponent Johnson, A (Azriel)				Opponent Beswick, T (Tayne)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Knysna Oyster Festival Rapid 2025				Tournament Knysna Oyster Festival Rapid 2025
		date 2025-07-12	rnd 4	type Rapid	result 0.5	date 2025-07-12	rnd 5	type Rapid	result 1
		Opponent Borrett, R (Ryan)				Opponent Fourie, C (Corne)
2	1	Tournament Knysna Oyster Festival Rapid 2025				Tournament Knysna Oyster Festival Rapid 2025
		date 2025-07-12	rnd 6	type Rapid	result 0.5	date 2025-07-12	rnd 6	type Rapid	result 0.5
		Opponent Van Heerden, CL (Claude Leon)				Opponent Van Heerden, CL (Claude Leon)
3	1	Tournament Knysna Oyster Festival Rapid 2025				Tournament Knysna Oyster Festival Rapid 2025
		date 2025-07-12	rnd 3	type Rapid	result 1	date 2025-07-12	rnd 3	type Rapid	result 1
		Opponent Bowen, AJ (Anthony John)				Opponent Bowen, AJ (Anthony John)

#	Games	Start				End
1	1	Tournament Mossel Bay Open 2022				Tournament Mossel Bay Open 2022
		date 2022-10-01	rnd 4	type Standard	result 1	date 2022-10-01	rnd 4	type Standard	result 1
		Opponent Koen, I (Ivan)				Opponent Koen, I (Ivan)

#	Games	Start				End
1	2	Tournament Knysna Oyster Festival Rapid 2025				Tournament Knysna Oyster Festival Rapid 2025
		date 2025-07-12	rnd 5	type Rapid	result 1	date 2025-07-12	rnd 5	type Rapid	result 1
		Opponent Fourie, C (Corne)				Opponent Fourie, C (Corne)
2	1	Tournament Knysna Oyster Festival Rapid 2025				Tournament Knysna Oyster Festival Rapid 2025
		date 2025-07-12	rnd 6	type Rapid	result 0.5	date 2025-07-12	rnd 6	type Rapid	result 0.5
		Opponent Van Heerden, CL (Claude Leon)				Opponent Van Heerden, CL (Claude Leon)
3	1	Tournament Knysna Oyster Festival Rapid 2025				Tournament Knysna Oyster Festival Rapid 2025
		date 2025-07-12	rnd 4	type Rapid	result 0.5	date 2025-07-12	rnd 4	type Rapid	result 0.5
		Opponent Borrett, R (Ryan)				Opponent Borrett, R (Ryan)

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	Bowen ,AJ (Anthony John)	2	2	425	0	0	0	2	2	425	0	0	0
1	Bowen ,AJ (Anthony John)	2	1500	1925	0	0	0	2	1500	1925	0	0	0
2	Jansen Van Rensburg ,R (Ruan)	2	1	0	0	0	0	2	1	0	0	0	0
2	Jansen Van Rensburg ,R (Ruan)	2	1469.6	1469.6	0	0	0	2	1350.9	1469.6	0	0	0
3	Taute ,C (Clayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Taute ,C (Clayden)	1	1677.6	1252.6	1	1627.4	1252.6	0	0	0	0	0	0
4	Chaava ,A (Aaron)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Chaava ,A (Aaron)	1	1228.8	1228.8	1	1230.3	1228.8	0	0	0	0	0	0
5	Du Plessis ,A (Arno)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Du Plessis ,A (Arno)	1	1515.2	1090.2	1	1512.1	1090.2	0	0	0	0	0	0
6	Michaels ,E (Enrico)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Michaels ,E (Enrico)	1	1337.3	1337.3	1	1329.3	1337.3	0	0	0	0	0	0
7	Joseph ,C (Cohen-Lee)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Joseph ,C (Cohen-Lee)	1	1385.9	1385.9	1	1365.1	1385.9	0	0	0	0	0	0
8	Koen ,I (Ivan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Koen ,I (Ivan)	1	1484.2	1909.2	1	1462.1	1909.2	0	0	0	0	0	0
9	Johnson ,A (Azriel)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
9	Johnson ,A (Azriel)	1	1281.9	1281.9	0	0	0	1	1017.7	1281.9	0	0	0
10	Swart ,S (Sune)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Swart ,S (Sune)	1	1577.6	1152.6	0	0	0	1	1326	1152.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Louw, WI (Wilhelm)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms