Chess South Africa Ratings Database

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Personal

Muller, W (Willem)

Chess SA id

198026167

FIDE id

Date of birth

1998-08-05 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1396.8	1391.7	1436	1436.2
Raw rating	1396.8	1391.7	1436	1436.2
Weighted rating	1396.8	1391.7	1436	1436.2
Weighted performance	0	0	0	0
Floor	936.2	936.2	936.2	936.2
K-factor	32	32	32	32
Min/Max rating change allowed	125.3	126.2	118.5	118.4
Highest rating	1436.2 2019-08-01	1436.2 2019-08-01	1436.2 2019-08-01	1436.2 2019-08-01
Highest raw rating	1436.2 2019-12-01	1436.2 2019-12-01	1436.2 2024-02-01	1436.2 2024-02-01
Highest weighted rating	1436.2 2019-08-01	1436.2 2019-08-01	1436.2 2019-08-01	1436.2 2019-08-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1396.8	1391.7	1436	1436.2
Analysis
Rating	1396.8	1391.7	1436	1436.2
Raw rating	1396.8	1391.7	1436	1436.2
Weighted rating	1396.8	1391.7	1436
Weighted performance	0	0	0
K-factor	32	32	32	32
Floor	936.2	936.2	936.2	936.2
Max/Min rating change allowed	125.3	126.2	118.5	118.4
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	1396.8	1391.7	1436	1436.2
New weighted rating	1396.8	1391.7	1436	1436.2
New weighted performance	0	0	0	0
Temp new rating	1396.8	1391.7	1436	1436.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1396.8	1391.7	1436	1436.2
New K-factor	32	32	32	32
New floor	936.2	936.2	936.2	936.2

Item	Main	Standard	Rapid
	0	0	0
	7	0	7
	0	0	0
	0	0	0
	4	4	0
	0	0	0
History	156	137	19

Games since
	Main 7	Standard 0		Rapid 7		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
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	7	3.5	50	0	1378.9	1378.9
Standard	0	0	0	0	0	0
Rapid	7	3.5	50	0	1378.9	1378.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	11	4.5	40.91	-77.3	1375.4	1298.1
Standard	4	1	25	-212.5	1369.2	1156.7
Rapid	7	3.5	50	0	1378.9	1378.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1396.8	1391.7	1436	1436.2
2025-09-01	1396.8	1391.7	1436	1436.2
2025-08-01	1396.8	1391.7	1436	1436.2
2025-07-01	1396.8	1391.7	1436	1436.2
2025-06-01	1396.8	1391.7	1436	1436.2
2025-05-01	1396.8	1391.7	1436	1436.2
2025-04-01	1396.8	1391.7	1435.9	1436.2
2025-03-01	1396.6	1391.7	1434.5	1436.2
2025-02-01	1396.8	1391.7	1436.2	1436.2
2025-01-01	1396.8	1391.7	1436.2	1436.2
2024-12-01	1396.8	1391.7	1436.2	1436.2
2024-11-01	1396.8	1391.7	1436.2	1436.2
2024-10-01	1396.8	1391.7	1436.2	1436.2
2024-09-01	1396.8	1391.7	1436.2	1436.2
2024-08-01	1396.8	1391.7	1436.2	1436.2
2024-07-01	1396.8	1391.7	1436.2	1436.2
2024-06-01	1396.8	1391.7	1436.2	1436.2
2024-08-01	1396.8	1391.7	1436.2	1436.2
2024-04-01	1396.8	1391.7	1436.2	1436.2
2024-03-01	1396.8	1391.7	1436.2	1436.2
2024-02-01	1396.8	1391.7	1436.2	1436.2
2024-01-01	1396.8	1391.7	1436.2	1436.2
2023-12-01	1396.8	1391.7	1436.2	1436.2
2023-11-01	1396.8	1391.7	1436.2	1436.2

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 of Good Hope Open 2025 (Open Rapid)	2025-02-22	2025-02-22	Rapid	Cape Town (WCT)	7	7	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape of Good Hope Open 2025 (Open Rapid)	2025-02-22	2025-02-22	Rapid	Cape Town (WCT)	7	7	3.5	Yes	Analysis
2	Western Province Open 2022 (Advanced)	2022-02-25	2022-02-27	Standard	Cape Town (WCT)	6	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Cape of Good Hope Open 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-22	rnd 3	type Rapid	result 0.5	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Louw, FWT (Frederik Wignand Terblanche)				Opponent Kojoana, L (Lesedi)
2	1	Tournament Cape of Good Hope Open 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-22	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Slamang, MK (Mohammed Kassiem)				Opponent Slamang, MK (Mohammed Kassiem)
3	1	Tournament Cape of Good Hope Open 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Burke, D (Daniel)				Opponent Burke, D (Daniel)

#	Games	Start				End
1	1	Tournament Western Province Open 2022				Tournament Western Province Open 2022
		date 2022-02-26	rnd 4	type Standard	result 1	date 2022-02-26	rnd 4	type Standard	result 1
		Opponent Adams, K (Kyle)				Opponent Adams, K (Kyle)

#	Games	Start				End
1	2	Tournament Cape of Good Hope Open 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-22	rnd 3	type Rapid	result 0.5	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Louw, FWT (Frederik Wignand Terblanche)				Opponent Kojoana, L (Lesedi)
2	1	Tournament Cape of Good Hope Open 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-22	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Slamang, MK (Mohammed Kassiem)				Opponent Slamang, MK (Mohammed Kassiem)
3	1	Tournament Cape of Good Hope Open 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Burke, D (Daniel)				Opponent Burke, D (Daniel)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Cape of Good Hope Open 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-22	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Slamang, MK (Mohammed Kassiem)				Opponent Slamang, MK (Mohammed Kassiem)
2	1	Tournament Cape of Good Hope Open 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Kojoana, L (Lesedi)				Opponent Kojoana, L (Lesedi)
3	1	Tournament Cape of Good Hope Open 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Burke, D (Daniel)				Opponent Burke, D (Daniel)

#	Games	Start				End
1	1	Tournament Western Province Open 2022				Tournament Western Province Open 2022
		date 2022-02-26	rnd 4	type Standard	result 1	date 2022-02-26	rnd 4	type Standard	result 1
		Opponent Adams, K (Kyle)				Opponent Adams, K (Kyle)

#	Games	Start				End
1	1	Tournament Cape of Good Hope Open 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-22	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Slamang, MK (Mohammed Kassiem)				Opponent Slamang, MK (Mohammed Kassiem)
2	1	Tournament Cape of Good Hope Open 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Kojoana, L (Lesedi)				Opponent Kojoana, L (Lesedi)
3	1	Tournament Cape of Good Hope Open 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Burke, D (Daniel)				Opponent Burke, D (Daniel)

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	Adams ,K (Kyle)	1	1	425	1	1	425	0	0	0	0	0	0
1	Adams ,K (Kyle)	1	1399.8	1824.8	1	1354.4	1824.8	0	0	0	0	0	0
2	Nzenzema ,A (Ashell)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Nzenzema ,A (Ashell)	1	1306.1	881.1	1	1316.8	881.1	0	0	0	0	0	0
3	Masoka ,L (Lwando)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Masoka ,L (Lwando)	1	1383.4	958.4	1	1355.6	958.4	0	0	0	0	0	0
4	Chiriya ,T (Takudzwa)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Chiriya ,T (Takudzwa)	1	1387.3	962.3	1	1375.4	962.3	0	0	0	0	0	0
5	Kojoana ,L (Lesedi)	1	1	425	0	0	0	1	1	425	0	0	0
5	Kojoana ,L (Lesedi)	1	1401.8	1826.8	0	0	0	1	1432.5	1826.8	0	0	0
6	George ,KD (Koshy)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	George ,KD (Koshy)	1	1059	634	0	0	0	1	965	634	0	0	0
7	Slamang ,MK (Mohammed Kassiem)	1	1	425	0	0	0	1	1	425	0	0	0
7	Slamang ,MK (Mohammed Kassiem)	1	1369.7	1794.7	0	0	0	1	1348.3	1794.7	0	0	0
8	Braaf ,J (Jiraan)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Braaf ,J (Jiraan)	1	1917.6	1492.6	0	0	0	1	1893.2	1492.6	0	0	0
9	Louw ,FWT (Frederik Wignand Terblanche)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
9	Louw ,FWT (Frederik Wignand Terblanche)	1	1450.6	1450.6	0	0	0	1	1393.7	1450.6	0	0	0
10	Tuyisenge ,E (Eddy)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Tuyisenge ,E (Eddy)	1	1253.8	828.8	0	0	0	1	1200	828.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Muller, W (Willem)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms