Chess South Africa Ratings Database

PLAYER PAGE

Personal

Diedericks, W (Wian)

Chess SA id

107070455

FIDE id

Date of birth

2007-01-25 (U20)

Gender

Male

Region

King Cetshwayo (KUR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-01-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	583	583	566	566
Raw rating	583	583	566	566
Weighted rating	582.6	582.6	566	566
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	399.4	399.4	409.2	409.2
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	583 2024-02-01	583 2024-02-01	566 2024-02-01	566 2024-02-01
Highest weighted rating	583 2024-11-01	583 2024-11-01	566 2024-11-01	566 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	583	583	566	566
Analysis
Rating	583	583	566	566
Raw rating	583	583	566	566
Weighted rating	582.6	582.6	566
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	399.4	399.4	409.2	409.2
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	583	583	566	566
New weighted rating	582.9	582.9	566	566
New weighted performance	0	0	0	0
Temp new rating	583	583	566	566
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	583	583	566	566
New K-factor	40	40	40	40
New floor	500	500	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	79	70	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	King Cetshwayo (KUR)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	7	2.5	35.71	-121.4	664.2	542.8
Standard	7	2.5	35.71	-121.4	664.2	542.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	583	583	566	566
2025-09-01	583	583	566	566
2025-08-01	583	583	566	566
2025-07-01	583	583	566	566
2025-06-01	583	583	566	566
2025-05-01	583	583	566	566
2025-04-01	583	583	566	566
2025-03-01	583	583	566	566
2025-02-01	583	583	566	566
2025-01-01	583	583	566	566
2024-12-01	583	583	566	566
2024-11-01	583	583	566	566
2024-10-01	583	583	566	566
2024-09-01	583	583	566	566
2024-08-01	583	583	566	566
2024-07-01	583	583	566	566
2024-06-01	583	583	566	566
2024-08-01	583	583	566	566
2024-04-01	583	583	566	566
2024-03-01	583	583	566	566
2024-02-01	583	583	566	566
2024-01-01	583	583	566	566
2023-12-01	547.6	547.6	566	566
2023-11-01	547.6	547.6	566	566

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	South African Junior Team Championships 2017 (U12D)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	2.5	Yes	Analysis

#	Games	Start				End
1	1	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-07	rnd 6	type Standard	result 1	date 2018-01-07	rnd 6	type Standard	result 1
		Opponent Beelders, R (Ryan)				Opponent Beelders, R (Ryan)
2	1	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-05	rnd 4	type Standard	result 1	date 2018-01-05	rnd 4	type Standard	result 1
		Opponent Loubser, SA (Stephanus)				Opponent Loubser, SA (Stephanus)
3	1	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 0.5	date 2018-01-04	rnd 1	type Standard	result 0.5
		Opponent Pretorius, PJ (Petrus)				Opponent Pretorius, PJ (Petrus)

#	Games	Start				End
1	1	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-07	rnd 6	type Standard	result 1	date 2018-01-07	rnd 6	type Standard	result 1
		Opponent Beelders, R (Ryan)				Opponent Beelders, R (Ryan)
2	1	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-05	rnd 4	type Standard	result 1	date 2018-01-05	rnd 4	type Standard	result 1
		Opponent Loubser, SA (Stephanus)				Opponent Loubser, SA (Stephanus)
3	1	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 0.5	date 2018-01-04	rnd 1	type Standard	result 0.5
		Opponent Pretorius, PJ (Petrus)				Opponent Pretorius, PJ (Petrus)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-07	rnd 6	type Standard	result 1	date 2018-01-07	rnd 6	type Standard	result 1
		Opponent Beelders, R (Ryan)				Opponent Beelders, R (Ryan)
2	1	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-05	rnd 4	type Standard	result 1	date 2018-01-05	rnd 4	type Standard	result 1
		Opponent Loubser, SA (Stephanus)				Opponent Loubser, SA (Stephanus)

#	Games	Start				End
1	1	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-07	rnd 6	type Standard	result 1	date 2018-01-07	rnd 6	type Standard	result 1
		Opponent Beelders, R (Ryan)				Opponent Beelders, R (Ryan)
2	1	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-05	rnd 4	type Standard	result 1	date 2018-01-05	rnd 4	type Standard	result 1
		Opponent Loubser, SA (Stephanus)				Opponent Loubser, SA (Stephanus)

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	Kleynhans ,N (Nelrie)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Kleynhans ,N (Nelrie)	1	501.6	76.6	1	501.6	76.6	0	0	0	0	0	0
2	Huisamen ,BB (Botha Brandt)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Huisamen ,BB (Botha Brandt)	1	1211.6	786.6	1	1211.6	786.6	0	0	0	0	0	0
3	Beelders ,R (Ryan)	1	1	425	1	1	425	0	0	0	0	0	0
3	Beelders ,R (Ryan)	1	534.4	959.4	1	534.4	959.4	0	0	0	0	0	0
4	Khan ,A (Aamir)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Khan ,A (Aamir)	1	613.2	188.2	1	613.2	188.2	0	0	0	0	0	0
5	Loubser ,SA (Stephanus)	1	1	425	1	1	425	0	0	0	0	0	0
5	Loubser ,SA (Stephanus)	1	624	1049	1	624	1049	0	0	0	0	0	0
6	Malan ,E (Evan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Malan ,E (Evan)	1	595.4	170.4	1	595.4	170.4	0	0	0	0	0	0
7	Pretorius ,PJ (Petrus)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Pretorius ,PJ (Petrus)	1	569.2	569.2	1	569.2	569.2	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

Diedericks, W (Wian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms