Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Villiers, C (Cohen)

Chess SA id

106078154

FIDE id

Date of birth

2006-02-22 (U20)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-04-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1142.2	1121.8	752	752
Raw rating	1142.2	1121.8	752	752
Weighted rating	1142.2	1121.8	752	752
Weighted performance	559.5	554	0	0
Floor	700.4	697	500	500
K-factor	36	40	40	40
Min/Max rating change allowed	180	185.4	313.9	313.9
Highest rating	1200.4 2022-02-01	1200 2024-11-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1200.4 2022-02-01	1197 2022-02-01	752 2024-02-01	752 2024-02-01
Highest weighted rating	1200.4 2024-11-01	1197 2024-11-01	752 2024-11-01	752 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1142.2	1121.8	752	752
Analysis
Rating	1142.2	1121.8	752	752
Raw rating	1142.2	1121.8	752	752
Weighted rating	1142.2	1121.8	752
Weighted performance	559.5	554	0
K-factor	36	40	40	40
Floor	700.4	697	500	500
Max/Min rating change allowed	180	185.4	313.9	313.9
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	1142.2	1121.8	752	752
New weighted rating	1142.2	1121.8	752	752
New weighted performance	559.1	553.6	0	0
Temp new rating	1142.2	1121.8	752	752
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1142.2	1121.8	752	752
New K-factor	36	40	40	40
New floor	700.4	697	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	14	14
	0	0
History	85	85

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	61	31.5	51.64	13.9	1082.9	1096.8
Standard	61	31.5	51.64	13.9	1082.9	1096.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1142.2	1121.8	752	752
2025-09-01	1142.2	1121.8	752	752
2025-08-01	1142.2	1121.8	752	752
2025-07-01	1142.2	1121.8	752	752
2025-06-01	1142.2	1121.8	752	752
2025-05-01	1142.2	1121.8	752	752
2025-04-01	1142.2	1121.8	752	752
2025-03-01	1142.2	1121.8	752	752
2025-02-01	1142.2	1121.8	752	752
2025-01-01	1142.2	1121.8	752	752
2024-12-01	1142.2	1121.8	752	752
2024-11-01	1142.2	1121.8	752	752
2024-10-01	1142.2	1121.8	752	752
2024-09-01	1142.2	1121.8	752	752
2024-08-01	1142.2	1121.8	752	752
2024-07-01	1142.2	1121.8	752	752
2024-06-01	1142.2	1121.8	752	752
2024-08-01	1142.2	1121.8	752	752
2024-04-01	1142.2	1121.8	752	752
2024-03-01	1142.2	1121.8	752	752
2024-02-01	1142.2	1121.8	752	752
2024-01-01	1142.2	1121.8	752	752
2023-12-01	1142.2	1121.8	752	752
2023-11-01	1142.2	1121.8	752	752

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	Eden Proewe 2 2022 (O18 Seuns)	2022-04-09	2022-04-09	Standard	Eden (WEG)	5	5	2	Yes	Analysis
2	Eden Proewe 1 2022 (O18 Seuns)	2022-03-12	2022-03-12	Standard	Eden (WEG)	5	5	1	Yes	Analysis
3	Mosselbaai Skole Skaak Proewe 1 2022 (U18 Open)	2022-01-29	2022-01-29	Standard	Eden (WEG)	5	4	3	Yes	Analysis
4	Eden Schools Closed Trials 1 2020 (U15 Boys)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	3	Yes	Analysis
5	Mossel Bay Trials 2 2020 (U15)	2020-02-15	2020-02-15	Standard	Eden (WEG)	5	5	3	Yes	Analysis
6	Mossel Bay Trials 1 2020 (U15)	2020-02-01	2020-02-01	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
7	Eden Top Schools 2019 (U13)	2019-07-20	2019-07-20	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
8	Eden Trials 3 2019 (U14 Open)	2019-05-11	2019-05-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
9	Eden Trials 2 2019 (U14 Open)	2019-04-13	2019-04-13	Standard	Eden (WEG)	5	5	3	Yes	Analysis
10	Eden Trials 1 2019 (U14 Open)	2019-03-02	2019-03-02	Standard	Eden (WEG)	5	5	2	Yes	Analysis
11	Eden Top Schools 2018 (U13 Mix)	2018-07-28	2018-07-28	Standard	Eden (WEG)	5	5	1	Yes	Analysis
12	South African Junior Team Championships 2017 (U12D)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament Mossel Bay Trials 1 2020				Tournament Mossel Bay Trials 2 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-15	rnd 4	type Standard	result 0.5
		Opponent Claassen, R (Ruwaldo)				Opponent Bezuidenhout, R (Ross)
2	3	Tournament Eden Schools Closed Trials 1 2020				Tournament Mosselbaai Skole Skaak Proewe 1 2022
		date 2020-03-07	rnd 5	type Standard	result 1	date 2022-01-29	rnd 3	type Standard	result 1
		Opponent Baatjies, H (Henzel)				Opponent Claassen, R (Ruwaldo)
3	3	Tournament Eden Trials 2 2019				Tournament Eden Trials 2 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Kamfer, P (Pedronique)				Opponent Miggels, A (Alaric)

#	Games	Start				End
1	6	Tournament Mossel Bay Trials 1 2020				Tournament Mossel Bay Trials 2 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-15	rnd 4	type Standard	result 0.5
		Opponent Claassen, R (Ruwaldo)				Opponent Bezuidenhout, R (Ross)
2	3	Tournament Eden Schools Closed Trials 1 2020				Tournament Mosselbaai Skole Skaak Proewe 1 2022
		date 2020-03-07	rnd 5	type Standard	result 1	date 2022-01-29	rnd 3	type Standard	result 1
		Opponent Baatjies, H (Henzel)				Opponent Claassen, R (Ruwaldo)
3	3	Tournament Eden Trials 2 2019				Tournament Eden Trials 2 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Kamfer, P (Pedronique)				Opponent Miggels, A (Alaric)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Mossel Bay Trials 1 2020				Tournament Mossel Bay Trials 2 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Claassen, R (Ruwaldo)				Opponent Magusha, U (Uyanda)
2	3	Tournament Eden Schools Closed Trials 1 2020				Tournament Mosselbaai Skole Skaak Proewe 1 2022
		date 2020-03-07	rnd 5	type Standard	result 1	date 2022-01-29	rnd 3	type Standard	result 1
		Opponent Baatjies, H (Henzel)				Opponent Claassen, R (Ruwaldo)
3	3	Tournament Eden Trials 2 2019				Tournament Eden Trials 2 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Kamfer, P (Pedronique)				Opponent Miggels, A (Alaric)

#	Games	Start				End
1	4	Tournament Mossel Bay Trials 1 2020				Tournament Mossel Bay Trials 2 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Claassen, R (Ruwaldo)				Opponent Magusha, U (Uyanda)
2	3	Tournament Eden Schools Closed Trials 1 2020				Tournament Mosselbaai Skole Skaak Proewe 1 2022
		date 2020-03-07	rnd 5	type Standard	result 1	date 2022-01-29	rnd 3	type Standard	result 1
		Opponent Baatjies, H (Henzel)				Opponent Claassen, R (Ruwaldo)
3	3	Tournament Eden Trials 2 2019				Tournament Eden Trials 2 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Kamfer, P (Pedronique)				Opponent Miggels, A (Alaric)

No games found.

#	Games	Start				End

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	Claassen ,R (Ruwaldo)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Claassen ,R (Ruwaldo)	3	1223.9	1365.6	3	1210.7	1365.6	0	0	0	0	0	0
2	Baatjies ,H (Henzel)	2	1	0	2	1	0	0	0	0	0	0	0
2	Baatjies ,H (Henzel)	2	1184.6	1184.6	2	1181.2	1184.6	0	0	0	0	0	0
3	Julies ,N (Nigeal)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Julies ,N (Nigeal)	2	1105.2	680.2	2	1093.6	680.2	0	0	0	0	0	0
4	Kiewiet ,M (Marvin)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
4	Kiewiet ,M (Marvin)	2	928.1	715.6	2	937.1	715.6	0	0	0	0	0	0
5	Taute ,C (Clayden)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Taute ,C (Clayden)	2	1385	960	2	1357.8	960	0	0	0	0	0	0
6	Jones ,J (Jamie-Lee)	2	2	425	2	2	425	0	0	0	0	0	0
6	Jones ,J (Jamie-Lee)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
7	Kamfer ,P (Pedronique)	2	2	425	2	2	425	0	0	0	0	0	0
7	Kamfer ,P (Pedronique)	2	1182.7	1607.7	2	1184.2	1607.7	0	0	0	0	0	0
8	Baadjies ,B (Bradley)	1	1	425	1	1	425	0	0	0	0	0	0
8	Baadjies ,B (Bradley)	1	1169.1	1594.1	1	1161.6	1594.1	0	0	0	0	0	0
9	Pietersen ,E (Enzalin)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Pietersen ,E (Enzalin)	1	1139.3	714.3	1	1131.2	714.3	0	0	0	0	0	0
10	Nel ,D (Danika)	1	1	425	1	1	425	0	0	0	0	0	0
10	Nel ,D (Danika)	1	1396.9	1821.9	1	1375.9	1821.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

De Villiers, C (Cohen)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms