Chess South Africa Ratings Database

PLAYER PAGE

Personal

Williams, C (Cwenga)

Chess SA id

2080138171

FIDE id

Date of birth

2008-09-23 (U18)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-04-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1198	1177.3	1221.6	1200
Raw rating	1198	1177.3	1221.6	1200
Weighted rating	1197.9	1177.2	1221.6	1200
Weighted performance	0	0	0	0
Floor	716.6	700	721.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	166.3	171.3	160.8	165.8
Highest rating	1231.2 2022-02-01	1200 2018-10-01	1296 2022-02-01	1200 2018-10-01
Highest raw rating	1216.6 2022-03-01	1200 2020-01-01	1221.6 2024-02-01	1200 2024-02-01
Highest weighted rating	1216.6 2023-04-01	1200 2018-10-01	1221.6 2025-02-01	1200 2018-10-01
Highest weighted performance	1231.2 2022-02-01	1200 2020-01-01	1296 2022-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1198	1177.3	1221.6	1200
Analysis
Rating	1198	1177.3	1221.6	1200
Raw rating	1198	1177.3	1221.6	1200
Weighted rating	1197.9	1177.2	1221.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	716.6	700	721.6	700
Max/Min rating change allowed	166.3	171.3	160.8	165.8
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	1198	1177.3	1221.6	1200
New weighted rating	1197.9	1177.2	1221.6	1200
New weighted performance	0	0	0	0
Temp new rating	1198	1177.3	1221.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1198	1177.3	1221.6	1200
New K-factor	36	36	36	36
New floor	716.6	700	721.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	7	7	0
	5	0	5
	0	0	0
History	12	7	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	12	6	50	0	1210	1210
Standard	7	3	42.86	-60.7	1217.2	1156.5
Rapid	5	3	60	85	1200	1285
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1198	1177.3	1221.6	1200
2025-09-01	1198	1177.3	1221.6	1200
2025-08-01	1198	1177.3	1221.6	1200
2025-07-01	1198	1177.3	1221.6	1200
2025-06-01	1198	1177.3	1221.6	1200
2025-05-01	1198	1177.3	1221.6	1200
2025-04-01	1198	1177.3	1221.6	1200
2025-03-01	1198	1177.3	1221.6	1200
2025-02-01	1198	1177.3	1221.6	1200
2025-01-01	1197.9	1177.2	1221.6	1200
2024-12-01	1197.9	1177.2	1221.6	1200
2024-11-01	1197.9	1177.2	1221.6	1200
2024-10-01	1197.9	1177.2	1221.6	1200
2024-09-01	1197.9	1177.2	1221.6	1200
2024-08-01	1197.9	1177.2	1221.6	1200
2024-07-01	1197.9	1177.2	1221.6	1200
2024-06-01	1197.9	1177.2	1221.6	1200
2024-08-01	1197.9	1177.2	1221.6	1200
2024-04-01	1197.9	1177.2	1221.6	1200
2024-03-01	1197.9	1177.2	1221.6	1200
2024-02-01	1197.9	1177.2	1221.6	1200
2024-01-01	1197.9	1177.2	1221.6	1200
2023-12-01	1197.9	1177.2	1221.6	1200
2023-11-01	1197.9	1177.2	1221.6	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	National All Girls Festival 2023	2023-04-28	2023-04-30	Standard	Mangaung (FMB)	7	7	3	Yes	Analysis
2	Pearson Chess Festival 2022 (Junior)	2022-02-25	2022-02-26	Rapid	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Pearson Chess Festival 2022				Tournament National All Girls Festival 2023
		date 2022-02-26	rnd 4	type Rapid	result 1	date 2023-04-28	rnd 2	type Standard	result 1
		Opponent Grootboom, K (Kutlesno)				Opponent Malatji, L (Lethabo)
2	1	Tournament National All Girls Festival 2023				Tournament National All Girls Festival 2023
		date 2023-04-29	rnd 5	type Standard	result 1	date 2023-04-29	rnd 5	type Standard	result 1
		Opponent Wang, Z (Zirou)				Opponent Wang, Z (Zirou)
3	1	Tournament Pearson Chess Festival 2022				Tournament Pearson Chess Festival 2022
		date 2022-02-25	rnd 2	type Rapid	result 1	date 2022-02-25	rnd 2	type Rapid	result 1
		Opponent Gwili, O (Olona)				Opponent Gwili, O (Olona)

#	Games	Start				End
1	2	Tournament National All Girls Festival 2023				Tournament National All Girls Festival 2023
		date 2023-04-28	rnd 1	type Standard	result 1	date 2023-04-28	rnd 2	type Standard	result 1
		Opponent Chen, Y (Yan-Ru)				Opponent Malatji, L (Lethabo)
2	1	Tournament National All Girls Festival 2023				Tournament National All Girls Festival 2023
		date 2023-04-29	rnd 5	type Standard	result 1	date 2023-04-29	rnd 5	type Standard	result 1
		Opponent Wang, Z (Zirou)				Opponent Wang, Z (Zirou)

#	Games	Start				End
1	2	Tournament Pearson Chess Festival 2022				Tournament Pearson Chess Festival 2022
		date 2022-02-26	rnd 4	type Rapid	result 1	date 2022-02-26	rnd 5	type Rapid	result 1
		Opponent Grootboom, K (Kutlesno)				Opponent Ntsikelelo, L (Lilitha)
2	1	Tournament Pearson Chess Festival 2022				Tournament Pearson Chess Festival 2022
		date 2022-02-25	rnd 2	type Rapid	result 1	date 2022-02-25	rnd 2	type Rapid	result 1
		Opponent Gwili, O (Olona)				Opponent Gwili, O (Olona)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Pearson Chess Festival 2022				Tournament National All Girls Festival 2023
		date 2022-02-26	rnd 4	type Rapid	result 1	date 2023-04-28	rnd 2	type Standard	result 1
		Opponent Grootboom, K (Kutlesno)				Opponent Malatji, L (Lethabo)
2	1	Tournament National All Girls Festival 2023				Tournament National All Girls Festival 2023
		date 2023-04-29	rnd 5	type Standard	result 1	date 2023-04-29	rnd 5	type Standard	result 1
		Opponent Wang, Z (Zirou)				Opponent Wang, Z (Zirou)
3	1	Tournament Pearson Chess Festival 2022				Tournament Pearson Chess Festival 2022
		date 2022-02-25	rnd 2	type Rapid	result 1	date 2022-02-25	rnd 2	type Rapid	result 1
		Opponent Gwili, O (Olona)				Opponent Gwili, O (Olona)

#	Games	Start				End
1	2	Tournament National All Girls Festival 2023				Tournament National All Girls Festival 2023
		date 2023-04-28	rnd 1	type Standard	result 1	date 2023-04-28	rnd 2	type Standard	result 1
		Opponent Chen, Y (Yan-Ru)				Opponent Malatji, L (Lethabo)
2	1	Tournament National All Girls Festival 2023				Tournament National All Girls Festival 2023
		date 2023-04-29	rnd 5	type Standard	result 1	date 2023-04-29	rnd 5	type Standard	result 1
		Opponent Wang, Z (Zirou)				Opponent Wang, Z (Zirou)

#	Games	Start				End
1	2	Tournament Pearson Chess Festival 2022				Tournament Pearson Chess Festival 2022
		date 2022-02-26	rnd 4	type Rapid	result 1	date 2022-02-26	rnd 5	type Rapid	result 1
		Opponent Grootboom, K (Kutlesno)				Opponent Ntsikelelo, L (Lilitha)
2	1	Tournament Pearson Chess Festival 2022				Tournament Pearson Chess Festival 2022
		date 2022-02-25	rnd 2	type Rapid	result 1	date 2022-02-25	rnd 2	type Rapid	result 1
		Opponent Gwili, O (Olona)				Opponent Gwili, O (Olona)

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	Kooiman ,NS (Nicola Samia)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Kooiman ,NS (Nicola Samia)	1	1157.5	732.5	1	1149.6	732.5	0	0	0	0	0	0
2	Malatji ,L (Lethabo)	1	1	425	1	1	425	0	0	0	0	0	0
2	Malatji ,L (Lethabo)	1	1287	1712	1	1270	1712	0	0	0	0	0	0
3	Pillay ,D (Danika)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Pillay ,D (Danika)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Dove ,M (Megan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Dove ,M (Megan)	1	1397.9	972.9	1	1395.6	972.9	0	0	0	0	0	0
5	Schade ,A (Annemay)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Schade ,A (Annemay)	1	1121.6	696.6	1	1106.4	696.6	0	0	0	0	0	0
6	Wang ,Z (Zirou)	1	1	425	1	1	425	0	0	0	0	0	0
6	Wang ,Z (Zirou)	1	1156.5	1581.5	1	1117.2	1581.5	0	0	0	0	0	0
7	Chen ,Y (Yan-Ru)	1	1	425	1	1	425	0	0	0	0	0	0
7	Chen ,Y (Yan-Ru)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Grootboom ,K (Kutlesno)	1	1	425	0	0	0	1	1	425	0	0	0
8	Grootboom ,K (Kutlesno)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Bowker ,E (Erin)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Bowker ,E (Erin)	1	1200	775	0	0	0	1	1200	775	0	0	0
10	Cerfontein ,Z (Zenat)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Cerfontein ,Z (Zenat)	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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PLAYER PAGE

Personal

Williams, C (Cwenga)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms