Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van der Westhuizen, P (Pieter)

Chess SA id

1710320019

FIDE id

Date of birth

1971-10-20 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1256.2	1267.5	1200	1200
Raw rating	1256.2	1267.5	1200	1200
Weighted rating	1209.6	1211.5	1200	1200
Weighted performance	0	0	0	0
Floor	756.2	767.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	153.1	150.6	165.8	165.8
Highest rating	1256.2 2025-09-30	1267.5 2025-09-30	1200 2025-06-01	1200 2025-06-01
Highest raw rating	1256.2 2025-09-30	1267.5 2025-09-30	1200 2025-06-01	1200 2025-06-01
Highest weighted rating	1209.6 2025-09-30	1211.5 2025-09-30	1200 2025-06-01	1200 2025-06-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1256.2	1267.5	1200	1200
Analysis
Rating	1256.2	1267.5	1200	1200
Raw rating	1256.2	1267.5	1200	1200
Weighted rating	1209.6	1211.5	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	756.2	767.5	700	700
Max/Min rating change allowed	153.1	150.6	165.8	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	1256.2	1267.5	1200	1200
New weighted rating	1213.6	1216.4	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1256.2	1267.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1256.2	1267.5	1200	1200
New K-factor	36	36	36	36
New floor	756.2	767.5	700	700

Item	Main	Standard
	0	0
	10	10
	0	0
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 10		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	10	5.5	55	42.5	1322.4	1364.9
Standard	10	5.5	55	42.5	1322.4	1364.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	5.5	55	42.5	1322.4	1364.9
Standard	10	5.5	55	42.5	1322.4	1364.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1256.2	1267.5	1200	1200
2025-09-01	1217.7	1221.4	1200	1200
2025-08-01	1217.7	1221.4	1200	1200
2025-07-01	1217.7	1221.4	1200	1200
2025-06-01	1217.7	1221.4	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
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2023-11-01	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	2025 Centurion Chess Open Tournament (C)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	Centurion Club Closed Chess Tournament 2025	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Centurion Chess Open Tournament (C)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	Centurion Club Closed Chess Tournament 2025	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Centurion Club Closed Chess Tournament 2025				Tournament Centurion Club Closed Chess Tournament 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Kgwale, I (Itumeleng)				Opponent Ramonyai, M (Mbhekeni)
2	1	Tournament Centurion Club Closed Chess Tournament 2025				Tournament Centurion Club Closed Chess Tournament 2025
		date 2025-05-10	rnd 1	type Standard	result 0.5	date 2025-05-10	rnd 1	type Standard	result 0.5
		Opponent Jacobs, AE (Alyssa Elizabeth)				Opponent Jacobs, AE (Alyssa Elizabeth)

#	Games	Start				End
1	2	Tournament Centurion Club Closed Chess Tournament 2025				Tournament Centurion Club Closed Chess Tournament 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Kgwale, I (Itumeleng)				Opponent Ramonyai, M (Mbhekeni)
2	1	Tournament Centurion Club Closed Chess Tournament 2025				Tournament Centurion Club Closed Chess Tournament 2025
		date 2025-05-10	rnd 1	type Standard	result 0.5	date 2025-05-10	rnd 1	type Standard	result 0.5
		Opponent Jacobs, AE (Alyssa Elizabeth)				Opponent Jacobs, AE (Alyssa Elizabeth)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Centurion Club Closed Chess Tournament 2025				Tournament Centurion Club Closed Chess Tournament 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Kgwale, I (Itumeleng)				Opponent Ramonyai, M (Mbhekeni)

#	Games	Start				End
1	2	Tournament Centurion Club Closed Chess Tournament 2025				Tournament Centurion Club Closed Chess Tournament 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Kgwale, I (Itumeleng)				Opponent Ramonyai, M (Mbhekeni)

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	Bhengu ,K (Khulekani)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Bhengu ,K (Khulekani)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Matlaila ,O (Ofentse)	1	1	425	1	1	425	0	0	0	0	0	0
2	Matlaila ,O (Ofentse)	1	1322.7	1747.7	1	1323.7	1747.7	0	0	0	0	0	0
3	Meeran ,M (Museera)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Meeran ,M (Museera)	1	1449.7	1024.7	1	1456	1024.7	0	0	0	0	0	0
4	Hamman ,R (Reuben)	1	1	425	1	1	425	0	0	0	0	0	0
4	Hamman ,R (Reuben)	1	1465	1890	1	1465.9	1890	0	0	0	0	0	0
5	Jacobs ,AE (Alyssa Elizabeth)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Jacobs ,AE (Alyssa Elizabeth)	1	1343.2	1343.2	1	1345.2	1343.2	0	0	0	0	0	0
6	Ramonyai ,M (Mbhekeni)	1	1	425	1	1	425	0	0	0	0	0	0
6	Ramonyai ,M (Mbhekeni)	1	1499	1924	1	1501	1924	0	0	0	0	0	0
7	Kgwale ,I (Itumeleng)	1	1	425	1	1	425	0	0	0	0	0	0
7	Kgwale ,I (Itumeleng)	1	1178.8	1603.8	1	1178.1	1603.8	0	0	0	0	0	0
8	Rautenbach ,R (Randolph)	1	1	425	1	1	425	0	0	0	0	0	0
8	Rautenbach ,R (Randolph)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Pretorius ,F (Frik)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Pretorius ,F (Frik)	1	1366	941	1	1369.4	941	0	0	0	0	0	0
10	Speirs ,A (Andrew)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Speirs ,A (Andrew)	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

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Van der Westhuizen, P (Pieter)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms