Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Westhuizen, D (Diehan)

Chess SA id

1040145526

FIDE id

Date of birth

2004-09-22 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-08-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1189.8	1200	1200	1094.8
Raw rating	1189.8	1200	1200	1094.8
Weighted rating	1189.8	1200	1200	1094.8
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	168.2	165.8	165.8	192.6
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01	1200 2019-12-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1189.8	1200	1200	1094.8
Analysis
Rating	1189.8	1200	1200	1094.8
Raw rating	1189.8	1200	1200	1094.8
Weighted rating	1189.8	1200	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	168.2	165.8	165.8	192.6
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	1189.8	1200	1200	1094.8
New weighted rating	1189.8	1200	1200	1094.8
New weighted performance	0	0	0	0
Temp new rating	1189.8	1200	1200	1094.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1189.8	1200	1200	1094.8
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Blitz
	0	0
	0	0
	0	0
	0	0
	9	9
	0	0
History	9	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	9	2	22.22	-236.1	1301	1064.9
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	9	2	22.22	-236.1	1301	1064.9

Date	Main	Standard	Rapid	Blitz
2025-11-01	1189.8	1200	1200	1094.8
2025-09-30	1189.8	1200	1200	1094.8
2025-09-01	1189.8	1200	1200	1094.8
2025-08-01	1189.8	1200	1200	1094.8
2025-07-01	1189.8	1200	1200	1094.8
2025-06-01	1189.8	1200	1200	1094.8
2025-05-01	1189.8	1200	1200	1094.8
2025-04-01	1189.8	1200	1200	1094.8
2025-03-01	1189.8	1200	1200	1094.8
2025-02-01	1189.8	1200	1200	1094.8
2025-01-01	1189.8	1200	1200	1094.8
2024-12-01	1189.8	1200	1200	1094.8
2024-11-01	1189.8	1200	1200	1094.8
2024-10-01	1189.8	1200	1200	1094.8
2024-09-01	1189.8	1200	1200	1094.8
2024-08-01	1189.8	1200	1200	1094.8
2024-07-01	1189.8	1200	1200	1094.8
2024-09-01	1189.8	1200	1200	1094.8
2024-05-01	1189.8	1200	1200	1094.8
2024-04-01	1189.8	1200	1200	1094.8
2024-03-01	1189.8	1200	1200	1094.8
2024-02-01	1189.8	1200	1200	1094.8
2024-01-01	1189.8	1200	1200	1094.8
2023-12-01	1189.8	1200	1200	1094.8

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	2022 Tshwane Chess Fide Rated Blitz League 3	2022-08-21	2022-08-21	Blitz	Tshwane (GTP)	9	9	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament 2022 Tshwane Chess Fide Rated Blitz League 3				Tournament 2022 Tshwane Chess Fide Rated Blitz League 3
		date 2022-08-21	rnd 7	type Blitz	result 1	date 2022-08-21	rnd 7	type Blitz	result 1
		Opponent Ramlall, R (Rakesh)				Opponent Ramlall, R (Rakesh)
2	1	Tournament 2022 Tshwane Chess Fide Rated Blitz League 3				Tournament 2022 Tshwane Chess Fide Rated Blitz League 3
		date 2022-08-21	rnd 4	type Blitz	result 1	date 2022-08-21	rnd 4	type Blitz	result 1
		Opponent Van Der Westhuizen, K (Kristo)				Opponent Van Der Westhuizen, K (Kristo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2022 Tshwane Chess Fide Rated Blitz League 3				Tournament 2022 Tshwane Chess Fide Rated Blitz League 3
		date 2022-08-21	rnd 7	type Blitz	result 1	date 2022-08-21	rnd 7	type Blitz	result 1
		Opponent Ramlall, R (Rakesh)				Opponent Ramlall, R (Rakesh)
2	1	Tournament 2022 Tshwane Chess Fide Rated Blitz League 3				Tournament 2022 Tshwane Chess Fide Rated Blitz League 3
		date 2022-08-21	rnd 4	type Blitz	result 1	date 2022-08-21	rnd 4	type Blitz	result 1
		Opponent Van Der Westhuizen, K (Kristo)				Opponent Van Der Westhuizen, K (Kristo)

#	Games	Start				End
1	1	Tournament 2022 Tshwane Chess Fide Rated Blitz League 3				Tournament 2022 Tshwane Chess Fide Rated Blitz League 3
		date 2022-08-21	rnd 7	type Blitz	result 1	date 2022-08-21	rnd 7	type Blitz	result 1
		Opponent Ramlall, R (Rakesh)				Opponent Ramlall, R (Rakesh)
2	1	Tournament 2022 Tshwane Chess Fide Rated Blitz League 3				Tournament 2022 Tshwane Chess Fide Rated Blitz League 3
		date 2022-08-21	rnd 4	type Blitz	result 1	date 2022-08-21	rnd 4	type Blitz	result 1
		Opponent Van Der Westhuizen, K (Kristo)				Opponent Van Der Westhuizen, K (Kristo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2022 Tshwane Chess Fide Rated Blitz League 3				Tournament 2022 Tshwane Chess Fide Rated Blitz League 3
		date 2022-08-21	rnd 7	type Blitz	result 1	date 2022-08-21	rnd 7	type Blitz	result 1
		Opponent Ramlall, R (Rakesh)				Opponent Ramlall, R (Rakesh)
2	1	Tournament 2022 Tshwane Chess Fide Rated Blitz League 3				Tournament 2022 Tshwane Chess Fide Rated Blitz League 3
		date 2022-08-21	rnd 4	type Blitz	result 1	date 2022-08-21	rnd 4	type Blitz	result 1
		Opponent Van Der Westhuizen, K (Kristo)				Opponent Van Der Westhuizen, K (Kristo)

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	Kheswa ,S (Spholami)	1	0	-425	0	0	0	0	0	0	1	0	-425
1	Kheswa ,S (Spholami)	1	1368.3	943.3	0	0	0	0	0	0	1	1188.8	943.3
2	Reyneke ,PJ (Pieter Jakobus)	1	0	-425	0	0	0	0	0	0	1	0	-425
2	Reyneke ,PJ (Pieter Jakobus)	1	1583.2	1158.2	0	0	0	0	0	0	1	1365.8	1158.2
3	Ramlall ,R (Rakesh)	1	1	425	0	0	0	0	0	0	1	1	425
3	Ramlall ,R (Rakesh)	1	1160.4	1585.4	0	0	0	0	0	0	1	934	1585.4
4	Mendes ,R (Renaldo)	1	0	-425	0	0	0	0	0	0	1	0	-425
4	Mendes ,R (Renaldo)	1	1284.9	859.9	0	0	0	0	0	0	1	1200	859.9
5	Ramlall ,S (Sanjana)	1	0	-425	0	0	0	0	0	0	1	0	-425
5	Ramlall ,S (Sanjana)	1	1488.4	1063.4	0	0	0	0	0	0	1	1157	1063.4
6	Kheswa ,NNO (Nhlanhla Njabulo Olwethu)	1	0	-425	0	0	0	0	0	0	1	0	-425
6	Kheswa ,NNO (Nhlanhla Njabulo Olwethu)	1	1252.8	827.8	0	0	0	0	0	0	1	1232.8	827.8
7	Duvenhage ,M (Marais)	1	0	-425	0	0	0	0	0	0	1	0	-425
7	Duvenhage ,M (Marais)	1	1200	775	0	0	0	0	0	0	1	1200	775
8	Van Der Westhuizen ,K (Kristo)	1	1	425	0	0	0	0	0	0	1	1	425
8	Van Der Westhuizen ,K (Kristo)	1	1200	1625	0	0	0	0	0	0	1	1200	1625
9	Kheswa ,MZ (Manqoba Zamokuhle)	1	0	-425	0	0	0	0	0	0	1	0	-425
9	Kheswa ,MZ (Manqoba Zamokuhle)	1	1170.9	745.9	0	0	0	0	0	0	1	1178.4	745.9

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Van Der Westhuizen, D (Diehan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms