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

2025-10-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1609.5	1609.4	1664.7	1666.5
Raw rating	1609.5	1609.4	1627.1	1626.6
Weighted rating	1606.8	1609.3	1664.7	1666.5
Weighted performance	1432.5	0	0	0
Floor	1151	1151	1170	1170
K-factor	28	28	28	28
Min/Max rating change allowed	92.5	92.5	90.2	90.3
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	1432.5 2025-11-01	1350.7 2022-10-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-2.9	-3.3
New rating	1609.5	1609.4	1661.8	1663.2
Analysis
Rating	1609.5	1609.4	1664.7	1666.5
Raw rating	1609.5	1609.4	1627.1	1626.6
Weighted rating	1606.8	1609.3	1664.7
Weighted performance	1432.5	0	0
K-factor	28	28	28	28
Floor	1151	1151	1170	1170
Max/Min rating change allowed	92.5	92.5	90.2	90.3
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	1609.5	1609.4	1627.1	1626.6
New weighted rating	1607.2	1609.4	1661.8	1663.2
New weighted performance	1423.8	0	0	0
Temp new rating	1609.5	1609.4	1661.8	1663.2
Temp new rating +/-	0	0	-2.9	-3.3
Final new rating +/-	0	0	-2.9	-3.3
New rating	1609.5	1609.4	1661.8	1663.2
New K-factor	28	28	28	28
New floor	1151	1151	1170	1170

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	38	0	29	9
	0	0	0	0
	0	0	0	0
	11	6	5	0
	0	0	0	0
History	55	12	34	9

Games since
	Main 38	Standard 0		Rapid 29		Blitz 9
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	70		19		3
Male	68		18		3
Adult	50		18		3
Adult Male	48		17		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	38	22.5	59.21	78.3	1533.4	1611.6
Standard	0	0	0	0	0	0
Rapid	29	18	62.07	102.6	1515.8	1618.4
Blitz	9	4.5	50	0	1590.1	1590.1
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	49	27.5	56.12	52	1509.5	1561.5
Standard	6	2.5	41.67	-70.8	1438.2	1367.4
Rapid	34	20.5	60.29	87.5	1500.7	1588.2
Blitz	9	4.5	50	0	1590.1	1590.1

Date	Main	Standard	Rapid	Blitz
2025-11-01	1609.5	1609.4	1627.1	1626.6
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
2024-09-01	1605.7	1609.4	1670	1670
2024-05-01	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

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	2025 Mossel Bay Open (Rapid A)	2025-10-04	2025-10-04	Rapid	Eden (WEG)	7	7	4	Yes	Analysis
2	2025 Mossel Bay Open (Blitz)	2025-10-03	2025-10-03	Blitz	Eden (WEG)	9	9	4.5	Yes	Analysis
3	Knysna Oyster Festival Rapid 2025 (Open)	2025-07-12	2025-07-12	Rapid	Eden (WEG)	6	11	7	Yes	Analysis
4	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	2025 Mossel Bay Open (Rapid A)	2025-10-04	2025-10-04	Rapid	Eden (WEG)	7	7	4	Yes	Analysis
2	2025 Mossel Bay Open (Blitz)	2025-10-03	2025-10-03	Blitz	Eden (WEG)	9	9	4.5	Yes	Analysis
3	Knysna Oyster Festival Rapid 2025 (Open)	2025-07-12	2025-07-12	Rapid	Eden (WEG)	6	11	7	Yes	Analysis
4	Knysna Oyster Festival Rapid 2025 (Open)	2025-07-12	2025-07-12	Rapid	Eden (WEG)	6	11	7	Yes	Analysis
5	Mossel Bay Open 2022 (A)	2022-09-30	2022-10-02	Standard	Eden (WEG)	6	6	2.5	Yes	Analysis
6	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	3	Tournament 2025 Mossel Bay Open				Tournament 2025 Mossel Bay Open
		date 2025-10-04	rnd 3	type Rapid	result 1	date 2025-10-04	rnd 5	type Rapid	result 1
		Opponent Berry, S (Seth)				Opponent Cloete, R (Ralph)

#	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	Taute ,C (Clayden)	3	0	-425	1	0	-425	1	0	-425	1	0	-425
1	Taute ,C (Clayden)	3	1727.5	1302.5	1	1627.4	1302.5	1	1725	1302.5	1	1975.6	1302.5
2	Bowen ,AJ (Anthony John)	2	2	425	0	0	0	2	2	425	0	0	0
2	Bowen ,AJ (Anthony John)	2	1500	1925	0	0	0	2	1500	1925	0	0	0
3	Jansen Van Rensburg ,R (Ruan)	2	1	0	0	0	0	2	1	0	0	0	0
3	Jansen Van Rensburg ,R (Ruan)	2	1469.6	1469.6	0	0	0	2	1350.9	1469.6	0	0	0
4	Cloete ,R (Ralph)	2	1.5	212.5	0	0	0	1	1	425	1	0.5	0
4	Cloete ,R (Ralph)	2	1552.2	1764.7	0	0	0	1	1440.2	1977.2	1	1326.3	1552.2
5	Michaels ,E (Enrico)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Michaels ,E (Enrico)	1	1337.3	1337.3	1	1329.3	1337.3	0	0	0	0	0	0
6	Koen ,I (Ivan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Koen ,I (Ivan)	1	1484.2	1909.2	1	1462.1	1909.2	0	0	0	0	0	0
7	Swart ,S (Sune)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Swart ,S (Sune)	1	1577.6	1152.6	0	0	0	1	1326	1152.6	0	0	0
8	Johnson ,A (Azriel)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
8	Johnson ,A (Azriel)	1	1281.9	1281.9	0	0	0	1	1017.7	1281.9	0	0	0
9	Berry ,S (Seth)	1	1	425	0	0	0	1	1	425	0	0	0
9	Berry ,S (Seth)	1	1486	1911	0	0	0	1	1429.3	1911	0	0	0
10	Adams ,L (Leonard)	1	1	425	0	0	0	1	1	425	0	0	0
10	Adams ,L (Leonard)	1	1374.8	1799.8	0	0	0	1	1125.6	1799.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Louw, WI (Wilhelm)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms