Chess South Africa Ratings Database

PLAYER PAGE

Personal

Willemse, D (Dean)

Chess SA id

100042878

FIDE id

Date of birth

2000-05-22 (Adult)

Gender

Male

Region

Frances Baard (NCF)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-03-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	878.5	910.4	713.2	713.2
Raw rating	878.5	910.4	713.2	713.2
Weighted rating	878.5	910.4	713.2	713.2
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	262.2	250.5	331.8	331.8
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-03-01	1200 2024-03-01
Highest raw rating	878.5 2024-03-01	910.4 2024-03-01	713.2 2024-03-01	713.2 2024-03-01
Highest weighted rating	878.5 2024-11-01	910.4 2024-11-01	713.2 2024-11-01	713.2 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	878.5	910.4	713.2	713.2
Analysis
Rating	878.5	910.4	713.2	713.2
Raw rating	878.5	910.4	713.2	713.2
Weighted rating	878.5	910.4	713.2
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	262.2	250.5	331.8	331.8
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	878.5	910.4	713.2	713.2
New weighted rating	878.5	910.4	713.2	713.2
New weighted performance	0	0	0	0
Temp new rating	878.5	910.4	713.2	713.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	878.5	910.4	713.2	713.2
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	21	21

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	15	7.5	50	0	1058.5	1058.5
Standard	15	7.5	50	0	1058.5	1058.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	878.5	910.4	713.2	713.2
2025-09-01	878.5	910.4	713.2	713.2
2025-08-01	878.5	910.4	713.2	713.2
2025-07-01	878.5	910.4	713.2	713.2
2025-06-01	878.5	910.4	713.2	713.2
2025-05-01	878.5	910.4	713.2	713.2
2025-04-01	878.5	910.4	713.2	713.2
2025-03-01	878.5	910.4	713.2	713.2
2025-02-01	878.5	910.4	713.2	713.2
2025-01-01	878.5	910.4	713.2	713.2
2024-12-01	878.5	910.4	713.2	713.2
2024-11-01	878.5	910.4	713.2	713.2
2024-10-01	878.5	910.4	713.2	713.2
2024-09-01	878.5	910.4	713.2	713.2
2024-08-01	878.5	910.4	713.2	713.2
2024-07-01	878.5	910.4	713.2	713.2
2024-06-01	878.5	910.4	713.2	713.2
2024-08-01	878.5	910.4	713.2	713.2
2024-04-01	878.5	910.4	713.2	713.2
2024-03-01	878.5	910.4	713.2	713.2
2024-02-01	878.5	910.4	713.2	713.2
2024-01-01	878.5	910.4	713.2	713.2
2023-12-01	878.5	910.4	713.2	713.2
2023-11-01	878.5	910.4	713.2	713.2

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	ZF Mgcawu Schools District Open Chess Tournament 2018 (U18 Boys)	2018-03-17	2018-03-17	Standard	ZF Mgcawu (NZF)	5	5	3	Yes	Analysis
2	ZF Mgcawu Inter-Region Open Trials (Qualifier 2)	2018-03-24	2018-03-24	Standard	ZF Mgcawu (NZF)	5	5	2.5	Yes	Analysis
3	ZF Mgcawu Qualifier Open Chess Tournament 2018 (A)	2018-02-17	2018-02-17	Standard	ZF Mgcawu (NZF)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament ZF Mgcawu Inter-Region Open Trials				Tournament ZF Mgcawu Inter-Region Open Trials
		date 2018-03-24	rnd 2	type Standard	result 1	date 2018-03-24	rnd 4	type Standard	result 0.5
		Opponent Engelbrecht, R (Rian)				Opponent Nel, H (Hester)
2	2	Tournament ZF Mgcawu Schools District Open Chess Tournament 2018				Tournament ZF Mgcawu Schools District Open Chess Tournament 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-03-17	rnd 5	type Standard	result 1
		Opponent Kamvelihle, Z (Zumani)				Opponent Goeieman, E (Emannuel)
3	1	Tournament ZF Mgcawu Schools District Open Chess Tournament 2018				Tournament ZF Mgcawu Schools District Open Chess Tournament 2018
		date 2018-03-17	rnd 1	type Standard	result 1	date 2018-03-17	rnd 1	type Standard	result 1
		Opponent Siyabulela, J (John)				Opponent Siyabulela, J (John)

#	Games	Start				End
1	3	Tournament ZF Mgcawu Inter-Region Open Trials				Tournament ZF Mgcawu Inter-Region Open Trials
		date 2018-03-24	rnd 2	type Standard	result 1	date 2018-03-24	rnd 4	type Standard	result 0.5
		Opponent Engelbrecht, R (Rian)				Opponent Nel, H (Hester)
2	2	Tournament ZF Mgcawu Schools District Open Chess Tournament 2018				Tournament ZF Mgcawu Schools District Open Chess Tournament 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-03-17	rnd 5	type Standard	result 1
		Opponent Kamvelihle, Z (Zumani)				Opponent Goeieman, E (Emannuel)
3	1	Tournament ZF Mgcawu Schools District Open Chess Tournament 2018				Tournament ZF Mgcawu Schools District Open Chess Tournament 2018
		date 2018-03-17	rnd 1	type Standard	result 1	date 2018-03-17	rnd 1	type Standard	result 1
		Opponent Siyabulela, J (John)				Opponent Siyabulela, J (John)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament ZF Mgcawu Inter-Region Open Trials				Tournament ZF Mgcawu Inter-Region Open Trials
		date 2018-03-24	rnd 2	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Engelbrecht, R (Rian)				Opponent Kaptein, E (Elrico)
2	2	Tournament ZF Mgcawu Schools District Open Chess Tournament 2018				Tournament ZF Mgcawu Schools District Open Chess Tournament 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-03-17	rnd 5	type Standard	result 1
		Opponent Kamvelihle, Z (Zumani)				Opponent Goeieman, E (Emannuel)
3	1	Tournament ZF Mgcawu Schools District Open Chess Tournament 2018				Tournament ZF Mgcawu Schools District Open Chess Tournament 2018
		date 2018-03-17	rnd 1	type Standard	result 1	date 2018-03-17	rnd 1	type Standard	result 1
		Opponent Siyabulela, J (John)				Opponent Siyabulela, J (John)

#	Games	Start				End
1	2	Tournament ZF Mgcawu Inter-Region Open Trials				Tournament ZF Mgcawu Inter-Region Open Trials
		date 2018-03-24	rnd 2	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Engelbrecht, R (Rian)				Opponent Kaptein, E (Elrico)
2	2	Tournament ZF Mgcawu Schools District Open Chess Tournament 2018				Tournament ZF Mgcawu Schools District Open Chess Tournament 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-03-17	rnd 5	type Standard	result 1
		Opponent Kamvelihle, Z (Zumani)				Opponent Goeieman, E (Emannuel)
3	1	Tournament ZF Mgcawu Schools District Open Chess Tournament 2018				Tournament ZF Mgcawu Schools District Open Chess Tournament 2018
		date 2018-03-17	rnd 1	type Standard	result 1	date 2018-03-17	rnd 1	type Standard	result 1
		Opponent Siyabulela, J (John)				Opponent Siyabulela, J (John)

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	Kaptein ,E (Elrico)	1	1	425	1	1	425	0	0	0	0	0	0
1	Kaptein ,E (Elrico)	1	500	925	1	500	925	0	0	0	0	0	0
2	Pretorius ,D (Declon)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Pretorius ,D (Declon)	1	1057.7	632.7	1	1075.2	632.7	0	0	0	0	0	0
3	Engelbrecht ,A (Andreas)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Engelbrecht ,A (Andreas)	1	894.1	469.1	1	906.6	469.1	0	0	0	0	0	0
4	Du Preez ,D (Dorothy-Ann)	1	1	425	1	1	425	0	0	0	0	0	0
4	Du Preez ,D (Dorothy-Ann)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Makule ,K (Kabo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Makule ,K (Kabo)	1	500	75	1	500	75	0	0	0	0	0	0
6	Mostert ,R (Rian)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mostert ,R (Rian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Nel ,H (Hester)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Nel ,H (Hester)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
8	Goeieman ,E (Emannuel)	1	1	425	1	1	425	0	0	0	0	0	0
8	Goeieman ,E (Emannuel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Siyabulela ,J (John)	1	1	425	1	1	425	0	0	0	0	0	0
9	Siyabulela ,J (John)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Nelson ,DJ (Dylan Johannes)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Nelson ,DJ (Dylan Johannes)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Willemse, D (Dean)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms