Chess South Africa Ratings Database

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Personal

Williams, C (Clarance-John)

Chess SA id

1090105088

FIDE id

Date of birth

2009-06-14 (U18)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1163.9	1104.9	1188.7	769.6
Raw rating	1163.9	1104.9	1188.7	769.6
Weighted rating	1162.4	1103.5	1187.4	769.6
Weighted performance	931	822.4	891.1	0
Floor	686.7	644.9	688.7	500
K-factor	40	40	40	40
Min/Max rating change allowed	174.6	189.9	168.5	306.2
Highest rating	1309.1 2018-09-01	1236.2 2019-02-01	1204 2019-02-01	1293.9 2018-08-01
Highest raw rating	1186.7 2023-03-01	1144.9 2023-05-01	1188.7 2024-03-01	771.2 2018-09-01
Highest weighted rating	1186.7 2024-11-01	1144.9 2024-11-01	1188.7 2024-11-01	771.2 2024-11-01
Highest weighted performance	1309.1 2018-09-01	1236.2 2019-02-01	1204 2019-02-01	1293.9 2018-08-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1163.9	1104.9	1188.7	769.6
Analysis
Rating	1163.9	1104.9	1188.7	769.6
Raw rating	1163.9	1104.9	1188.7	769.6
Weighted rating	1162.4	1103.5	1187.4
Weighted performance	931	822.4	891.1
K-factor	40	40	40	40
Floor	686.7	644.9	688.7	500
Max/Min rating change allowed	174.6	189.9	168.5	306.2
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	1163.9	1104.9	1188.7	769.6
New weighted rating	1162.8	1103.8	1187.9	769.6
New weighted performance	930.6	822	890.6	0
Temp new rating	1163.9	1104.9	1188.7	769.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1163.9	1104.9	1188.7	769.6
New K-factor	40	40	40	40
New floor	686.7	644.9	688.7	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	10	5	5	0
	36	27	9	0
	37	19	18	0
	5	0	5	0
History	125	74	45	6

Games since
	Main 10	Standard 5		Rapid 5		Blitz 0
Gender	Male
Age group	U18
Region	West Coast (WCU)
Province	Western Cape (WC)
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	125	51.5	41.2	-74.8	1224.7	1149.9
Standard	74	28	37.84	-103.4	1220.1	1116.7
Rapid	45	20.5	45.56	-37.8	1240.2	1202.4
Blitz	6	3	50	0	1165.6	1165.6

Date	Main	Standard	Rapid	Blitz
2025-09-30	1163.9	1104.9	1188.7	769.6
2025-09-01	1163.9	1104.9	1188.7	769.6
2025-08-01	1163.9	1104.9	1188.7	769.6
2025-07-01	1163.9	1104.9	1188.7	769.6
2025-06-01	1163.9	1104.9	1188.7	769.6
2025-05-01	1163.9	1104.9	1188.7	769.6
2025-04-01	1163.9	1104.9	1188.7	769.6
2025-03-01	1163.9	1104.9	1188.7	769.6
2025-02-01	1163.9	1104.9	1188.7	769.6
2025-01-01	1163.9	1104.9	1188.7	769.6
2024-12-01	1163.9	1104.9	1188.7	769.6
2024-11-01	1163.9	1104.9	1188.7	769.6
2024-10-01	1163.9	1104.9	1188.7	769.6
2024-09-01	1163.9	1104.9	1188.7	769.6
2024-08-01	1160.2	1097.3	1188.7	769.6
2024-07-01	1160.2	1097.3	1188.7	769.6
2024-06-01	1160.2	1097.3	1188.7	769.6
2024-08-01	1160.2	1097.3	1188.7	769.6
2024-04-01	1160.2	1097.3	1188.7	769.6
2024-03-01	1160.2	1097.3	1188.7	769.6
2024-02-01	1135	1097.3	1149.9	769.6
2024-01-01	1135	1097.3	1149.9	769.6
2023-12-01	1135	1097.3	1149.9	769.6
2023-11-01	1135	1097.3	1149.9	769.6

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	Western Cape Women�s Championship 2024 (Intermediate)	2024-08-10	2024-08-10	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
2	Lower West Coast Schools Chess Prestige 2024 (U15 Boys)	2024-02-17	2024-02-17	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
3	Western Cape Top Schools 2023 (U15 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	2	1	Yes	Analysis
4	CW Top Schools 2023 (Intermediate)	2023-08-12	2023-08-12	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
5	Pedro Booyse Top Schools 2023 (High School)	2023-07-29	2023-07-29	Standard	West Coast (WCU)	5	4	1	Yes	Analysis
6	West Coast Open 2023 (Elite)	2023-05-20	2023-06-03	Standard	West Coast (WCU)	5	4	0	Yes	Analysis
7	Lower West Coast Top Schools Championships 2023 (High School)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
8	Western Cape HS Individuals 2023 (U15 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
9	West Coast High School Championships 2023 (U15 Boys)	2023-02-18	2023-02-18	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
10	Lower West Coast High Schools Prestige 2023 (U15 Boys)	2023-02-11	2023-02-11	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
11	West Coast Chess Open 2022 (U13 Boys)	2022-10-15	2022-10-15	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
12	Western Cape Woman`s Championship 2022 (Open)	2022-09-02	2022-09-04	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
13	Deep Blue Chess Club 2022 (Open)	2022-08-20	2022-08-20	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
14	Pedro Booyse Top Schools 2022 (U13 Open)	2022-07-23	2022-07-23	Standard	West Coast (WCU)	5	4	2	Yes	Analysis
15	Onder-Weskus Top Skole 2022 (O13 Seuns)	2022-06-04	2022-06-04	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
16	Basil Ellman Annual Rapid 2022 (Bear 2)	2022-06-25	2022-06-25	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
17	Western Cape Inter Region Cup 2021 (Open)	2022-03-04	2022-03-06	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
18	West Coast Schools Prestige 2022 (U13 Boys)	2022-02-19	2022-02-19	Standard	West Coast (WCU)	6	5	1	Yes	Analysis
19	Lower West Coast Schools Chess Prestige 2021 (U13 Boys)	2021-05-15	2021-05-15	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
20	Onder Weskus Prestige 2020 (U11 Boys)	2020-02-15	2020-02-22	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
21	West Coast Club Champs 2019 (B)	2019-09-13	2019-09-14	Standard	West Coast (WCU)	7	5	1.5	Yes	Analysis
22	Western Cape Womans Month Tournament 2019 (C)	2019-08-09	2019-08-11	Standard	West Coast (WCU)	7	7	2	Yes	Analysis
23	St Helenabaai Open 2019 (U10)	2019-02-09	2019-02-09	Standard	West Coast (WCU)	5	4	2.5	Yes	Analysis
24	Onder-Weskus Skole Proewe 2019 (O11 Seuns)	2019-02-16	2019-02-23	Rapid	West Coast (WCU)	8	8	4	Yes	Analysis
25	Back 2 School 2019 (Blitz)	2019-01-19	2019-01-19	Blitz	West Coast (WCU)	7	1	0	Yes	Analysis
26	Woman`s Month Blitz Tournament 2018 (U10+U12)	2018-08-11	2018-08-11	Blitz	West Coast (WCU)	5	5	3	Yes	Analysis
27	West Coast Chess League 2018 (C)	2018-07-07	2018-09-01	Standard	West Coast (WCU)	2	1	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament West Coast Chess Open 2022				Tournament Lower West Coast High Schools Prestige 2023
		date 2022-10-15	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 2	type Rapid	result 1
		Opponent Conradie, Q (Quewin)				Opponent Carolus, J (Jade)
2	3	Tournament Basil Ellman Annual Rapid 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-06-25	rnd 5	type Rapid	result 1	date 2022-07-23	rnd 2	type Standard	result 1
		Opponent Sawayer, L (Luke)				Opponent Wearing, G (Garth)
3	3	Tournament Western Cape Inter Region Cup 2021				Tournament Onder-Weskus Top Skole 2022
		date 2022-03-05	rnd 4	type Standard	result 1	date 2022-06-04	rnd 1	type Rapid	result 1
		Opponent Williams, C (Claron)				Opponent Solomons, M (Mateo)

#	Games	Start				End
1	4	Tournament Western Cape Inter Region Cup 2021				Tournament Pedro Booyse Top Schools 2022
		date 2022-03-05	rnd 4	type Standard	result 1	date 2022-07-23	rnd 2	type Standard	result 1
		Opponent Williams, C (Claron)				Opponent Wearing, G (Garth)
2	3	Tournament West Coast Chess League 2018				Tournament St Helenabaai Open 2019
		date 2018-07-07	rnd 1	type Standard	result 1	date 2019-02-09	rnd 3	type Standard	result 1
		Opponent Fillis, J (Jordan)				Opponent Adams, G (Gershin)
3	2	Tournament Western Cape Women�s Championship 2024				Tournament Western Cape Women�s Championship 2024
		date 2024-08-10	rnd 2	type Standard	result 1	date 2024-08-10	rnd 3	type Standard	result 1
		Opponent Sekoe, M (Mellinda)				Opponent Smith, W (Willow)

#	Games	Start				End
1	3	Tournament West Coast Chess Open 2022				Tournament Lower West Coast High Schools Prestige 2023
		date 2022-10-15	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 2	type Rapid	result 1
		Opponent Conradie, Q (Quewin)				Opponent Carolus, J (Jade)
2	3	Tournament Onder-Weskus Skole Proewe 2019				Tournament Lower West Coast Schools Chess Prestige 2021
		date 2019-02-23	rnd 7	type Rapid	result 1	date 2021-05-15	rnd 1	type Rapid	result 1
		Opponent Don, C (Cee-Jay)				Opponent Zuze, G (Godwin)
3	2	Tournament Lower West Coast Schools Chess Prestige 2024				Tournament Lower West Coast Schools Chess Prestige 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Hector, K (Keaghan)				Opponent Simons, T (Thegan)

#	Games	Start				End
1	2	Tournament Woman`s Month Blitz Tournament 2018				Tournament Woman`s Month Blitz Tournament 2018
		date 2018-08-11	rnd 2	type Blitz	result 1	date 2018-08-11	rnd 3	type Blitz	result 1
		Opponent Roman, H (Hubert)				Opponent Cloete, C (Conwin)
2	1	Tournament Woman`s Month Blitz Tournament 2018				Tournament Woman`s Month Blitz Tournament 2018
		date 2018-08-11	rnd 5	type Blitz	result 1	date 2018-08-11	rnd 5	type Blitz	result 1
		Opponent Vlotman, L (Linrique)				Opponent Vlotman, L (Linrique)

#	Games	Start				End
1	3	Tournament West Coast Chess Open 2022				Tournament Lower West Coast High Schools Prestige 2023
		date 2022-10-15	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 2	type Rapid	result 1
		Opponent Conradie, Q (Quewin)				Opponent Carolus, J (Jade)
2	3	Tournament Basil Ellman Annual Rapid 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-06-25	rnd 5	type Rapid	result 1	date 2022-07-23	rnd 2	type Standard	result 1
		Opponent Sawayer, L (Luke)				Opponent Wearing, G (Garth)
3	3	Tournament Western Cape Inter Region Cup 2021				Tournament Onder-Weskus Top Skole 2022
		date 2022-03-05	rnd 4	type Standard	result 1	date 2022-06-04	rnd 1	type Rapid	result 1
		Opponent Williams, C (Claron)				Opponent Solomons, M (Mateo)

#	Games	Start				End
1	4	Tournament Western Cape Inter Region Cup 2021				Tournament Pedro Booyse Top Schools 2022
		date 2022-03-05	rnd 4	type Standard	result 1	date 2022-07-23	rnd 2	type Standard	result 1
		Opponent Williams, C (Claron)				Opponent Wearing, G (Garth)
2	2	Tournament Western Cape Women�s Championship 2024				Tournament Western Cape Women�s Championship 2024
		date 2024-08-10	rnd 2	type Standard	result 1	date 2024-08-10	rnd 3	type Standard	result 1
		Opponent Sekoe, M (Mellinda)				Opponent Smith, W (Willow)
3	2	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-12	rnd 3	type Standard	result 1	date 2023-08-12	rnd 4	type Standard	result 1
		Opponent Coetzee, A (Amber)				Opponent Tieling, D (Denilhio)

#	Games	Start				End
1	3	Tournament West Coast Chess Open 2022				Tournament Lower West Coast High Schools Prestige 2023
		date 2022-10-15	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 2	type Rapid	result 1
		Opponent Conradie, Q (Quewin)				Opponent Carolus, J (Jade)
2	3	Tournament Onder-Weskus Skole Proewe 2019				Tournament Lower West Coast Schools Chess Prestige 2021
		date 2019-02-23	rnd 7	type Rapid	result 1	date 2021-05-15	rnd 1	type Rapid	result 1
		Opponent Don, C (Cee-Jay)				Opponent Zuze, G (Godwin)
3	2	Tournament Lower West Coast Schools Chess Prestige 2024				Tournament Lower West Coast Schools Chess Prestige 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Hector, K (Keaghan)				Opponent Simons, T (Thegan)

#	Games	Start				End
1	2	Tournament Woman`s Month Blitz Tournament 2018				Tournament Woman`s Month Blitz Tournament 2018
		date 2018-08-11	rnd 2	type Blitz	result 1	date 2018-08-11	rnd 3	type Blitz	result 1
		Opponent Roman, H (Hubert)				Opponent Cloete, C (Conwin)
2	1	Tournament Woman`s Month Blitz Tournament 2018				Tournament Woman`s Month Blitz Tournament 2018
		date 2018-08-11	rnd 5	type Blitz	result 1	date 2018-08-11	rnd 5	type Blitz	result 1
		Opponent Vlotman, L (Linrique)				Opponent Vlotman, L (Linrique)

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	Visagie ,C (Christopher)	5	1	-255	1	0	-425	4	1	-212.5	0	0	0
1	Visagie ,C (Christopher)	5	1415.1	1160.1	1	1354.9	990.1	4	1310.3	1202.6	0	0	0
2	Opperman ,M (Matthew)	3	0	-425	2	0	-425	1	0	-425	0	0	0
2	Opperman ,M (Matthew)	3	1523.4	1098.4	2	1490.7	1098.4	1	1457.8	1098.4	0	0	0
3	Siebritz ,Y (Yul)	3	1	-141.7	1	0	-425	2	1	0	0	0	0
3	Siebritz ,Y (Yul)	3	1274.8	1133.1	1	1285.4	849.8	2	1195.6	1274.8	0	0	0
4	Ocks ,K (Keano)	3	0	-425	1	0	-425	2	0	-425	0	0	0
4	Ocks ,K (Keano)	3	1243.2	818.2	1	1206.9	818.2	2	1225.4	818.2	0	0	0
5	Brooks ,L (Lehane)	3	0	-425	0	0	0	2	0	-425	1	0	-425
5	Brooks ,L (Lehane)	3	1182.8	757.8	0	0	0	2	1189.8	757.8	1	1222.7	757.8
6	Gelant ,R (Re Marqio)	2	1	0	2	1	0	0	0	0	0	0	0
6	Gelant ,R (Re Marqio)	2	1163.7	1163.7	2	1155.8	1163.7	0	0	0	0	0	0
7	Tielling ,D (Denielhio)	2	2	425	2	2	425	0	0	0	0	0	0
7	Tielling ,D (Denielhio)	2	1158.5	1583.5	2	1147	1583.5	0	0	0	0	0	0
8	Ellman ,A (Andries)	2	2	425	2	2	425	0	0	0	0	0	0
8	Ellman ,A (Andries)	2	1009.5	1434.5	2	1051.5	1434.5	0	0	0	0	0	0
9	Lu ,DTX (Daniel Ting Xu)	2	0	-425	1	0	-425	1	0	-425	0	0	0
9	Lu ,DTX (Daniel Ting Xu)	2	1308.1	883.1	1	1266.5	883.1	1	1190.2	883.1	0	0	0
10	Don ,C (Cee-Jay)	2	1.5	212.5	1	0.5	0	1	1	425	0	0	0
10	Don ,C (Cee-Jay)	2	1077.8	1290.2	1	1032.5	1077.8	1	1200	1502.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Williams, C (Clarance-John)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms