Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Raan, C (Cobus)

Chess SA id

1100109825

FIDE id

Date of birth

2010-09-16 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1288.1	1283.1	1270.2	1200
Raw rating	1288.1	1283.1	1270.2	1200
Weighted rating	1287.8	1282.7	1270.2	1200
Weighted performance	929.6	0	863.5	0
Floor	799.2	799.3	770.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	146.3	147.3	150	165.8
Highest rating	1354.8 2019-09-01	1674.8 2019-09-01	1325.2 2019-05-01	1200 2018-10-01
Highest raw rating	1299.2 2020-01-01	1299.3 2023-03-01	1270.2 2024-02-01	1200 2024-02-01
Highest weighted rating	1299.2 2022-03-01	1299.3 2023-03-01	1270.2 2025-06-01	1200 2018-10-01
Highest weighted performance	1354.8 2019-09-01	1674.8 2019-09-01	1325.2 2019-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1288.1	1283.1	1270.2	1200
Analysis
Rating	1288.1	1283.1	1270.2	1200
Raw rating	1288.1	1283.1	1270.2	1200
Weighted rating	1287.8	1282.7	1270.2
Weighted performance	929.6	0	863.5
K-factor	36	36	36	36
Floor	799.2	799.3	770.2	700
Max/Min rating change allowed	146.3	147.3	150	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	1288.1	1283.1	1270.2	1200
New weighted rating	1287.9	1282.9	1270.2	1200
New weighted performance	929.2	0	863.1	0
Temp new rating	1288.1	1283.1	1270.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1288.1	1283.1	1270.2	1200
New K-factor	36	36	36	36
New floor	799.2	799.3	770.2	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	5	0
	28	10	18
	11	0	11
	0	0	0
History	69	19	50

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	69	41	59.42	80.1	1227.6	1307.7
Standard	19	12	63.16	111.8	1256	1367.8
Rapid	50	29	58	68	1216.8	1284.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1288.1	1283.1	1270.2	1200
2025-09-01	1288.1	1283.1	1270.2	1200
2025-08-01	1288.1	1283.1	1270.2	1200
2025-07-01	1288.1	1283.1	1270.2	1200
2025-06-01	1288.1	1283.1	1270.2	1200
2025-05-01	1288.1	1283.1	1270.2	1200
2025-04-01	1288.1	1283.1	1270.2	1200
2025-03-01	1288.1	1283.1	1270.2	1200
2025-02-01	1288.1	1283.1	1270.2	1200
2025-01-01	1288.1	1283.1	1270.2	1200
2024-12-01	1288.1	1283.1	1270.2	1200
2024-11-01	1288.1	1283.1	1270.2	1200
2024-10-01	1288.1	1283.1	1270.2	1200
2024-09-01	1288.1	1283.1	1270.2	1200
2024-08-01	1288.1	1283.1	1270.2	1200
2024-07-01	1288.1	1283.1	1270.2	1200
2024-06-01	1288.1	1283.1	1270.2	1200
2024-08-01	1288.1	1283.1	1270.2	1200
2024-04-01	1288.1	1283.1	1270.2	1200
2024-03-01	1288.1	1283.1	1270.2	1200
2024-02-01	1279.7	1270.9	1270.2	1200
2024-01-01	1279.7	1270.9	1270.2	1200
2023-12-01	1279.7	1270.9	1270.2	1200
2023-11-01	1279.7	1270.9	1270.2	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	North District School Trials 2024 (U15 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
2	CT Metro District North Top Schools Chess 2023 (U13 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
3	GPCA Rapid 2023 (U14)	2023-06-24	2023-06-24	Rapid	Cape Town (WCT)	7	7	4	Yes	Analysis
4	Cape Town Metro Schools Chess Closed Individuals 2023 (U13 Boys)	2023-02-03	2023-03-04	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
5	North District School Trials 2023 (U13 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
6	Laerskool Welgemoed Rapid 2023 (U14)	2023-02-11	2023-02-11	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
7	District North 2022 (U13)	2022-03-05	2022-03-05	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
8	Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U14)	2022-02-19	2022-02-19	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
9	2020 Welgemoed Chess Challenge (U12)	2020-02-29	2020-02-29	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
10	3rd ACL Chess Festival 2019 (U10)	2019-09-05	2019-09-05	Rapid	Cape Town (WCT)	6	6	3.5	Yes	Analysis
11	Western Cape Top Schools 2019 (U9 Mix)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	4	4	Yes	Analysis
12	2019 Western Province Open (Junior)	2019-05-25	2019-05-25	Rapid	Cape Town (WCT)	5	5	3.5	Yes	Analysis
13	Welgemoed Chess Challenge 2019 (U10)	2019-02-23	2019-02-23	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis

#	Games	Start				End
1	10	Tournament 2019 Western Province Open				Tournament 3rd ACL Chess Festival 2019
		date 2019-05-25	rnd 2	type Rapid	result 1	date 2019-09-05	rnd 2	type Rapid	result 1
		Opponent Wilson, EM (Emlyn)				Opponent Fourie, O (Ockert)
2	4	Tournament District North 2022				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2022-03-05	rnd 6	type Rapid	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Oosthuizen, R (Ruben)				Opponent Venter, J (Jacques)
3	3	Tournament CT Metro District North Top Schools Chess 2023				Tournament North District School Trials 2024
		date 2023-07-29	rnd 4	type Rapid	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Dhodo, L (Lael)				Opponent May, J (Juwayne)

#	Games	Start				End
1	7	Tournament Western Cape Top Schools 2019				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2019-08-31	rnd 2	type Standard	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Pooley, R (Rory)				Opponent Venter, J (Jacques)
2	1	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 5	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Prince, A (Ashton)				Opponent Prince, A (Ashton)
3	1	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent De Beer, A (Arno)				Opponent De Beer, A (Arno)

#	Games	Start				End
1	6	Tournament 2019 Western Province Open				Tournament 3rd ACL Chess Festival 2019
		date 2019-05-25	rnd 2	type Rapid	result 1	date 2019-09-05	rnd 2	type Rapid	result 1
		Opponent Wilson, EM (Emlyn)				Opponent Fourie, O (Ockert)
2	3	Tournament District North 2022				Tournament Laerskool Welgemoed Rapid 2023
		date 2022-03-05	rnd 6	type Rapid	result 1	date 2023-02-11	rnd 2	type Rapid	result 1
		Opponent Oosthuizen, R (Ruben)				Opponent Swanepoel, D (Dominique Rachel)
3	3	Tournament 3rd ACL Chess Festival 2019				Tournament 2020 Welgemoed Chess Challenge
		date 2019-09-05	rnd 6	type Rapid	result 1	date 2020-02-29	rnd 2	type Rapid	result 1
		Opponent Mputi, M (Marwah)				Opponent Heyes, O (Oliver)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament 2019 Western Province Open				Tournament 3rd ACL Chess Festival 2019
		date 2019-05-25	rnd 5	type Rapid	result 1	date 2019-09-05	rnd 2	type Rapid	result 1
		Opponent Gani, R (Raza)				Opponent Fourie, O (Ockert)
2	4	Tournament District North 2022				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2022-03-05	rnd 6	type Rapid	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Oosthuizen, R (Ruben)				Opponent Venter, J (Jacques)
3	3	Tournament CT Metro District North Top Schools Chess 2023				Tournament North District School Trials 2024
		date 2023-07-29	rnd 4	type Rapid	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Dhodo, L (Lael)				Opponent May, J (Juwayne)

#	Games	Start				End
1	7	Tournament Western Cape Top Schools 2019				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2019-08-31	rnd 2	type Standard	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Pooley, R (Rory)				Opponent Venter, J (Jacques)
2	1	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 5	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Prince, A (Ashton)				Opponent Prince, A (Ashton)
3	1	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent De Beer, A (Arno)				Opponent De Beer, A (Arno)

#	Games	Start				End
1	3	Tournament District North 2022				Tournament Laerskool Welgemoed Rapid 2023
		date 2022-03-05	rnd 6	type Rapid	result 1	date 2023-02-11	rnd 2	type Rapid	result 1
		Opponent Oosthuizen, R (Ruben)				Opponent Swanepoel, D (Dominique Rachel)
2	3	Tournament 3rd ACL Chess Festival 2019				Tournament 2020 Welgemoed Chess Challenge
		date 2019-09-05	rnd 6	type Rapid	result 1	date 2020-02-29	rnd 2	type Rapid	result 1
		Opponent Mputi, M (Marwah)				Opponent Heyes, O (Oliver)
3	3	Tournament 2019 Western Province Open				Tournament 3rd ACL Chess Festival 2019
		date 2019-05-25	rnd 5	type Rapid	result 1	date 2019-09-05	rnd 2	type Rapid	result 1
		Opponent Gani, R (Raza)				Opponent Fourie, O (Ockert)

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	Wilson ,J (James)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Wilson ,J (James)	2	1416.5	991.5	1	1447.1	991.5	1	1285.2	991.5	0	0	0
2	Shapiro ,M (Matthew)	2	0	-425	0	0	0	2	0	-425	0	0	0
2	Shapiro ,M (Matthew)	2	1522.2	1097.2	0	0	0	2	1508.4	1097.2	0	0	0
3	Oosthuizen ,H (Henre)	2	1	0	0	0	0	2	1	0	0	0	0
3	Oosthuizen ,H (Henre)	2	1161.8	1161.8	0	0	0	2	1143	1161.8	0	0	0
4	Pooley ,R (Rory)	1	1	425	1	1	425	0	0	0	0	0	0
4	Pooley ,R (Rory)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Arendse ,C (Cullen)	1	1	425	1	1	425	0	0	0	0	0	0
5	Arendse ,C (Cullen)	1	1187	1612	1	1200	1612	0	0	0	0	0	0
6	Van De Vyver ,M (Mia)	1	1	425	0	0	0	1	1	425	0	0	0
6	Van De Vyver ,M (Mia)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Mxuma ,L (Lunika)	1	1	425	0	0	0	1	1	425	0	0	0
7	Mxuma ,L (Lunika)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Maxamba ,O (Onako)	1	1	425	0	0	0	1	1	425	0	0	0
8	Maxamba ,O (Onako)	1	1155.4	1580.4	0	0	0	1	1104.8	1580.4	0	0	0
9	Grobbelaar ,A (Altus)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Grobbelaar ,A (Altus)	1	1149.2	724.2	0	0	0	1	1153.2	724.2	0	0	0
10	Claassen ,U (Uthan)	1	1	425	0	0	0	1	1	425	0	0	0
10	Claassen ,U (Uthan)	1	1199.3	1624.3	0	0	0	1	1197.8	1624.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Du Raan, C (Cobus)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms