Chess South Africa Ratings Database

PLAYER PAGE

Personal

Douwenga, W (Willrich)

Chess SA id

1060326883

FIDE id

Date of birth

2006-07-03 (U20)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1199.4	1200	1199	1200
Raw rating	1197.5	1200	1195.8	1200
Weighted rating	1199.4	1200	1199	1200
Weighted performance	0	0	0	0
Floor	699	700	699	700
K-factor	40	40	40	40
Min/Max rating change allowed	166.4	165.8	166.8	165.8
Highest rating	1199.8 2025-09-01	1199 2025-08-31	1199.7 2025-09-01	1199 2025-08-31
Highest raw rating	1199 2025-08-31	1199 2025-08-31	1199 2025-08-31	1199 2025-08-31
Highest weighted rating	1199.8 2025-09-01	0 2025-08-31	1199.7 2025-09-01	0 2025-08-31
Highest weighted performance	0 2025-08-31	0 2025-08-31	0 2025-08-31	0 2025-08-31

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.2	0	-0.3	0
New rating	1199.2	1200	1198.7	1200
Analysis
Rating	1199.4	1200	1199	1200
Raw rating	1197.5	1200	1195.8	1200
Weighted rating	1199.4	1200	1199
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	699	700	699	700
Max/Min rating change allowed	166.4	165.8	166.8	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	1197.5	1200	1195.8	1200
New weighted rating	1199.2	1200	1198.7	1200
New weighted performance	0	0	0	0
Temp new rating	1199.2	1200	1198.7	1200
Temp new rating +/-	-0.2	0	-0.3	0
Final new rating +/-	-0.2	0	-0.3	0
New rating	1199.2	1200	1198.7	1200
New K-factor	40	36	40	36
New floor	699	700	699	700

Item	Main	Rapid
	0	0
	6	6
	0	0
	0	0
	0	0
	0	0
History	6	6

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	M
Age group	U20
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U20	-1		-1		-1
U20 M	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U20	-1		-1		-1
U20 M	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U20	-1		-1		-1
U20 M	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U20	-1		-1		-1
U20 M	-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	6	3	50	0	1195.4	1195.4
Standard	0	0	0	0	0	0
Rapid	6	3	50	0	1195.4	1195.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	6	3	50	0	1195.4	1195.4
Standard	0	0	0	0	0	0
Rapid	6	3	50	0	1195.4	1195.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1197.5	1200	1195.8	1200
2025-09-30	1197.5	1200	1195.8	1200
2025-09-01	1197.5	1200	1195.8	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Kleinmond Chess Club Open 2025 (Intermediate)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Kleinmond Chess Club Open 2025 (Intermediate)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 2	type Rapid	result 1
		Opponent van de Rheede, F (Farownique)				Opponent Kienewee, C (Casey)
2	1	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 4	type Rapid	result 1	date 2025-08-30	rnd 4	type Rapid	result 1
		Opponent Schrader, D (Deno)				Opponent Schrader, D (Deno)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 2	type Rapid	result 1
		Opponent van de Rheede, F (Farownique)				Opponent Kienewee, C (Casey)
2	1	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 4	type Rapid	result 1	date 2025-08-30	rnd 4	type Rapid	result 1
		Opponent Schrader, D (Deno)				Opponent Schrader, D (Deno)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 2	type Rapid	result 1
		Opponent van de Rheede, F (Farownique)				Opponent Kienewee, C (Casey)
2	1	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 4	type Rapid	result 1	date 2025-08-30	rnd 4	type Rapid	result 1
		Opponent Schrader, D (Deno)				Opponent Schrader, D (Deno)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 2	type Rapid	result 1
		Opponent van de Rheede, F (Farownique)				Opponent Kienewee, C (Casey)
2	1	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 4	type Rapid	result 1	date 2025-08-30	rnd 4	type Rapid	result 1
		Opponent Schrader, D (Deno)				Opponent Schrader, D (Deno)

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	Du Plessis ,T (Tjaard)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Du Plessis ,T (Tjaard)	1	1187.5	762.5	0	0	0	1	1179.7	762.5	0	0	0
2	Schrader ,D (Deno)	1	1	425	0	0	0	1	1	425	0	0	0
2	Schrader ,D (Deno)	1	1199.7	1624.7	0	0	0	1	1199.5	1624.7	0	0	0
3	van der Westhuizen ,E (Eben)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	van der Westhuizen ,E (Eben)	1	1200	775	0	0	0	1	1200	775	0	0	0
4	Stevens ,N (Norman)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Stevens ,N (Norman)	1	1186.1	761.1	0	0	0	1	1203.6	761.1	0	0	0
5	Kienewee ,C (Casey)	1	1	425	0	0	0	1	1	425	0	0	0
5	Kienewee ,C (Casey)	1	1199.4	1624.4	0	0	0	1	1199.1	1624.4	0	0	0
6	van de Rheede ,F (Farownique)	1	1	425	0	0	0	1	1	425	0	0	0
6	van de Rheede ,F (Farownique)	1	1199.6	1624.6	0	0	0	1	1199.2	1624.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Douwenga, W (Willrich)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms