Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, CH (Cogan Hendrik)

Chess SA id

101039091

FIDE id

Date of birth

2001-06-11 (Adult)

Gender

Male

Region

Frances Baard (NCF)

Citizen

RSA

Titles

Chess SA registered

Last active game

2021-08-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1166.3	1175.6	1098.4	1098.4
Raw rating	1166.3	1175.6	1098.4	1098.4
Weighted rating	1166.3	1175.6	1098.4	1098.4
Weighted performance	0	0	0	0
Floor	666.3	675.6	598.4	598.4
K-factor	40	40	40	40
Min/Max rating change allowed	174	171.7	191.6	191.6
Highest rating	1431.5 2021-08-01	1431.9 2021-08-01	1200 2024-03-01	1200 2024-03-01
Highest raw rating	1166.3 2024-03-01	1175.6 2024-03-01	1098.4 2024-03-01	1098.4 2024-03-01
Highest weighted rating	1166.3 2024-11-01	1175.6 2024-11-01	1098.4 2024-11-01	1098.4 2024-11-01
Highest weighted performance	1431.5 2021-08-01	1431.9 2021-08-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1166.3	1175.6	1098.4	1098.4
Analysis
Rating	1166.3	1175.6	1098.4	1098.4
Raw rating	1166.3	1175.6	1098.4	1098.4
Weighted rating	1166.3	1175.6	1098.4
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	666.3	675.6	598.4	598.4
Max/Min rating change allowed	174	171.7	191.6	191.6
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	1166.3	1175.6	1098.4	1098.4
New weighted rating	1166.3	1175.6	1098.4	1098.4
New weighted performance	0	0	0	0
Temp new rating	1166.3	1175.6	1098.4	1098.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1166.3	1175.6	1098.4	1098.4
New K-factor	40	40	40	40
New floor	666.3	675.6	598.4	598.4

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	5	5	0
History	245	244	1

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Frances Baard (NCF)
Province	Northern Cape (NC)
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	5	3.5	70	170	1251.8	1421.8
Standard	5	3.5	70	170	1251.8	1421.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1166.3	1175.6	1098.4	1098.4
2025-09-01	1166.3	1175.6	1098.4	1098.4
2025-08-01	1166.3	1175.6	1098.4	1098.4
2025-07-01	1166.3	1175.6	1098.4	1098.4
2025-06-01	1166.3	1175.6	1098.4	1098.4
2025-05-01	1166.3	1175.6	1098.4	1098.4
2025-04-01	1166.3	1175.6	1098.4	1098.4
2025-03-01	1166.3	1175.6	1098.4	1098.4
2025-02-01	1166.3	1175.6	1098.4	1098.4
2025-01-01	1166.3	1175.6	1098.4	1098.4
2024-12-01	1166.3	1175.6	1098.4	1098.4
2024-11-01	1166.3	1175.6	1098.4	1098.4
2024-10-01	1166.3	1175.6	1098.4	1098.4
2024-09-01	1166.3	1175.6	1098.4	1098.4
2024-08-01	1166.3	1175.6	1098.4	1098.4
2024-07-01	1166.3	1175.6	1098.4	1098.4
2024-06-01	1166.3	1175.6	1098.4	1098.4
2024-08-01	1166.3	1175.6	1098.4	1098.4
2024-04-01	1166.3	1175.6	1098.4	1098.4
2024-03-01	1166.3	1175.6	1098.4	1098.4
2024-02-01	1166.3	1175.6	1098.4	1098.4
2024-01-01	1166.3	1175.6	1098.4	1098.4
2023-12-01	1163.2	1175.6	1098.4	1098.4
2023-11-01	1163.2	1175.6	1098.4	1098.4

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	Northern Cape Women`s Open 2021 (Males/Boys)	2021-08-21	2021-08-21	Standard	Frances Baard (NCF)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Northern Cape Women`s Open 2021				Tournament Northern Cape Women`s Open 2021
		date 2021-08-21	rnd 3	type Standard	result 1	date 2021-08-21	rnd 5	type Standard	result 0.5
		Opponent Grove, E (Enrique)				Opponent Mothata, O (Omaatla)
2	1	Tournament Northern Cape Women`s Open 2021				Tournament Northern Cape Women`s Open 2021
		date 2021-08-21	rnd 1	type Standard	result 1	date 2021-08-21	rnd 1	type Standard	result 1
		Opponent Bold, MMH (Michael)				Opponent Bold, MMH (Michael)

#	Games	Start				End
1	3	Tournament Northern Cape Women`s Open 2021				Tournament Northern Cape Women`s Open 2021
		date 2021-08-21	rnd 3	type Standard	result 1	date 2021-08-21	rnd 5	type Standard	result 0.5
		Opponent Grove, E (Enrique)				Opponent Mothata, O (Omaatla)
2	1	Tournament Northern Cape Women`s Open 2021				Tournament Northern Cape Women`s Open 2021
		date 2021-08-21	rnd 1	type Standard	result 1	date 2021-08-21	rnd 1	type Standard	result 1
		Opponent Bold, MMH (Michael)				Opponent Bold, MMH (Michael)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Northern Cape Women`s Open 2021				Tournament Northern Cape Women`s Open 2021
		date 2021-08-21	rnd 3	type Standard	result 1	date 2021-08-21	rnd 4	type Standard	result 1
		Opponent Grove, E (Enrique)				Opponent Ntanda, N (Nkululeku)
2	1	Tournament Northern Cape Women`s Open 2021				Tournament Northern Cape Women`s Open 2021
		date 2021-08-21	rnd 1	type Standard	result 1	date 2021-08-21	rnd 1	type Standard	result 1
		Opponent Bold, MMH (Michael)				Opponent Bold, MMH (Michael)

#	Games	Start				End
1	2	Tournament Northern Cape Women`s Open 2021				Tournament Northern Cape Women`s Open 2021
		date 2021-08-21	rnd 3	type Standard	result 1	date 2021-08-21	rnd 4	type Standard	result 1
		Opponent Grove, E (Enrique)				Opponent Ntanda, N (Nkululeku)
2	1	Tournament Northern Cape Women`s Open 2021				Tournament Northern Cape Women`s Open 2021
		date 2021-08-21	rnd 1	type Standard	result 1	date 2021-08-21	rnd 1	type Standard	result 1
		Opponent Bold, MMH (Michael)				Opponent Bold, MMH (Michael)

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	Bold ,MMH (Michael)	1	1	425	1	1	425	0	0	0	0	0	0
1	Bold ,MMH (Michael)	1	1179.1	1604.1	1	1179.6	1604.1	0	0	0	0	0	0
2	Mothata ,O (Omaatla)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Mothata ,O (Omaatla)	1	1456.4	1456.4	1	1470.1	1456.4	0	0	0	0	0	0
3	Grove ,E (Enrique)	1	1	425	1	1	425	0	0	0	0	0	0
3	Grove ,E (Enrique)	1	1215	1640	1	1200.8	1640	0	0	0	0	0	0
4	Kgosi ,BV (Bushy Vincent)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Kgosi ,BV (Bushy Vincent)	1	1386.6	961.6	1	1388.3	961.6	0	0	0	0	0	0
5	Ntanda ,N (Nkululeku)	1	1	425	1	1	425	0	0	0	0	0	0
5	Ntanda ,N (Nkululeku)	1	1022	1447	1	1022	1447	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Van Der Merwe, CH (Cogan Hendrik)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms