Chess South Africa Ratings Database

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Personal

Marais, C (Cobus)

Chess SA id

104068703

FIDE id

Date of birth

2004-05-11 (Adult)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-10-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1122.3	1124.8	880	880
Raw rating	1122.3	1124.8	880	880
Weighted rating	1122.3	1124.8	880	880
Weighted performance	218.7	217.5	0	0
Floor	647	662	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	185.2	184.6	261.6	261.6
Highest rating	1472.7 2018-03-01	1472.7 2018-03-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1147 2019-06-01	1162 2019-06-01	880 2024-02-01	880 2024-02-01
Highest weighted rating	1147 2024-11-01	1162 2024-11-01	880 2024-11-01	880 2024-11-01
Highest weighted performance	1472.7 2018-03-01	1472.7 2018-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1122.3	1124.8	880	880
Analysis
Rating	1122.3	1124.8	880	880
Raw rating	1122.3	1124.8	880	880
Weighted rating	1122.3	1124.8	880
Weighted performance	218.7	217.5	0
K-factor	40	40	40	40
Floor	647	662	500	500
Max/Min rating change allowed	185.2	184.6	261.6	261.6
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	1122.3	1124.8	880	880
New weighted rating	1122.3	1124.8	880	880
New weighted performance	218.4	217.1	0	0
Temp new rating	1122.3	1124.8	880	880
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1122.3	1124.8	880	880
New K-factor	40	40	40	40
New floor	647	662	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	158	132	26

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Overberg (WOS)
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	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	46	22.5	48.91	-9.2	1187.2	1178
Standard	46	22.5	48.91	-9.2	1187.2	1178
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1122.3	1124.8	880	880
2025-09-01	1122.3	1124.8	880	880
2025-08-01	1122.3	1124.8	880	880
2025-07-01	1122.3	1124.8	880	880
2025-06-01	1122.3	1124.8	880	880
2025-05-01	1122.3	1124.8	880	880
2025-04-01	1122.3	1124.8	880	880
2025-03-01	1122.3	1124.8	880	880
2025-02-01	1122.3	1124.8	880	880
2025-01-01	1122.3	1124.8	880	880
2024-12-01	1122.3	1124.8	880	880
2024-11-01	1122.3	1124.8	880	880
2024-10-01	1122.3	1124.8	880	880
2024-09-01	1122.3	1124.8	880	880
2024-08-01	1122.3	1124.8	880	880
2024-07-01	1122.3	1124.8	880	880
2024-06-01	1122.3	1124.8	880	880
2024-08-01	1122.3	1124.8	880	880
2024-04-01	1122.3	1124.8	880	880
2024-03-01	1122.3	1124.8	880	880
2024-02-01	1122.3	1124.8	880	880
2024-01-01	1122.3	1124.8	880	880
2023-12-01	1122.3	1124.8	880	880
2023-11-01	1122.3	1124.8	880	880

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	2019 Western Cape Club Championship (A+B)	2019-10-25	2019-10-27	Standard	Overberg (WOS)	6	3	1	Yes	Analysis
2	Overberg Top Schools 2019 (U15)	2019-07-20	2019-07-20	Standard	Overberg (WOS)	3	2	1	Yes	Analysis
3	SuperHero Open 2019 (Open)	2019-06-01	2019-06-01	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
4	Overberg Club Champs 2019 (A)	2019-06-15	2019-06-15	Standard	Overberg (WOS)	5	4	0.5	Yes	Analysis
5	Western Cape Schools Individuals 2019 (U15 Boys)	2019-05-04	2019-05-05	Standard	Eden (WEG)	6	6	3.5	Yes	Analysis
6	Overberg School Chess Close Champs 2019 (U15 Boys)	2019-03-08	2019-03-09	Standard	Overberg (WOS)	6	5	3	Yes	Analysis
7	Western Cape Top Schools 2018 (U19 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
8	Overberg 2nd Trial 2018 (U16)	2018-05-05	2018-05-05	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
9	Western Cape Schools Individuals 2018 (U15 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	1.5	Yes	Analysis
10	Overberg Schools Closed 2018 (U15 Boys)	2018-03-23	2018-03-23	Standard	Overberg (WOS)	6	6	5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Overberg Schools Closed 2018				Tournament Overberg 2nd Trial 2018
		date 2018-03-23	rnd 4	type Standard	result 1	date 2018-05-05	rnd 1	type Standard	result 1
		Opponent Dunsdon, K (Kyle)				Opponent Davids, B (Bradley)
2	3	Tournament SuperHero Open 2019				Tournament Overberg Club Champs 2019
		date 2019-06-01	rnd 4	type Standard	result 1	date 2019-06-15	rnd 1	type Standard	result 0.5
		Opponent Hen-Boisen, C (Christian)				Opponent Crookes, J (Jonas)
3	3	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-04	rnd 4	type Standard	result 1	date 2019-05-05	rnd 6	type Standard	result 1
		Opponent Fraans, K (Kyle)				Opponent Daniels, M (Muhammed)

#	Games	Start				End
1	4	Tournament Overberg Schools Closed 2018				Tournament Overberg 2nd Trial 2018
		date 2018-03-23	rnd 4	type Standard	result 1	date 2018-05-05	rnd 1	type Standard	result 1
		Opponent Dunsdon, K (Kyle)				Opponent Davids, B (Bradley)
2	3	Tournament SuperHero Open 2019				Tournament Overberg Club Champs 2019
		date 2019-06-01	rnd 4	type Standard	result 1	date 2019-06-15	rnd 1	type Standard	result 0.5
		Opponent Hen-Boisen, C (Christian)				Opponent Crookes, J (Jonas)
3	3	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-04	rnd 4	type Standard	result 1	date 2019-05-05	rnd 6	type Standard	result 1
		Opponent Fraans, K (Kyle)				Opponent Daniels, M (Muhammed)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Overberg Schools Closed 2018				Tournament Overberg 2nd Trial 2018
		date 2018-03-23	rnd 4	type Standard	result 1	date 2018-05-05	rnd 1	type Standard	result 1
		Opponent Dunsdon, K (Kyle)				Opponent Davids, B (Bradley)
2	2	Tournament Overberg Top Schools 2019				Tournament 2019 Western Cape Club Championship
		date 2019-07-20	rnd 3	type Standard	result 1	date 2019-10-25	rnd 1	type Standard	result 1
		Opponent Tyindi, L (Luvuyo)				Opponent Claasen, L (Lee Ann)
3	2	Tournament SuperHero Open 2019				Tournament SuperHero Open 2019
		date 2019-06-01	rnd 4	type Standard	result 1	date 2019-06-01	rnd 5	type Standard	result 1
		Opponent Hen-Boisen, C (Christian)				Opponent Crookes, J (Jonas)

#	Games	Start				End
1	4	Tournament Overberg Schools Closed 2018				Tournament Overberg 2nd Trial 2018
		date 2018-03-23	rnd 4	type Standard	result 1	date 2018-05-05	rnd 1	type Standard	result 1
		Opponent Dunsdon, K (Kyle)				Opponent Davids, B (Bradley)
2	2	Tournament Overberg Top Schools 2019				Tournament 2019 Western Cape Club Championship
		date 2019-07-20	rnd 3	type Standard	result 1	date 2019-10-25	rnd 1	type Standard	result 1
		Opponent Tyindi, L (Luvuyo)				Opponent Claasen, L (Lee Ann)
3	2	Tournament SuperHero Open 2019				Tournament SuperHero Open 2019
		date 2019-06-01	rnd 4	type Standard	result 1	date 2019-06-01	rnd 5	type Standard	result 1
		Opponent Hen-Boisen, C (Christian)				Opponent Crookes, J (Jonas)

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	Crookes ,J (Jonas)	4	1.5	-106.2	4	1.5	-106.2	0	0	0	0	0	0
1	Crookes ,J (Jonas)	4	1307.4	1201.2	4	1299.3	1201.2	0	0	0	0	0	0
2	Kleinhans ,T (Theo)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Kleinhans ,T (Theo)	2	1441.3	1016.3	2	1446.4	1016.3	0	0	0	0	0	0
3	Jansen ,A (Aderique)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Jansen ,A (Aderique)	1	1171.1	1171.1	1	1166	1171.1	0	0	0	0	0	0
4	Mare ,L (Lente)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mare ,L (Lente)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Saaiman ,A (Aaron)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Saaiman ,A (Aaron)	1	1365.5	940.5	1	1367.3	940.5	0	0	0	0	0	0
6	Daniels ,M (Muhammed)	1	1	425	1	1	425	0	0	0	0	0	0
6	Daniels ,M (Muhammed)	1	1195.5	1620.5	1	1196.2	1620.5	0	0	0	0	0	0
7	Cookson ,L (Leighton)	1	1	425	1	1	425	0	0	0	0	0	0
7	Cookson ,L (Leighton)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Du Plessis ,E (Eben)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Du Plessis ,E (Eben)	1	907.4	482.4	1	907.4	482.4	0	0	0	0	0	0
9	Matthee ,J (Johan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Matthee ,J (Johan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Simu ,M (Mlukeki)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Simu ,M (Mlukeki)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Marais, C (Cobus)

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