Chess South Africa Ratings Database

PLAYER PAGE

Personal

Vorster, K (Kean Pieter)

Chess SA id

1120142582

FIDE id

Date of birth

2012-08-29 (U14)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-03-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1236.4	1220.4	1234.6	1200
Raw rating	1236.4	1220.4	1234.6	1200
Weighted rating	1235.7	1220.4	1233.4	1200
Weighted performance	892.6	0	0	0
Floor	736.4	720.4	734.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.4	161.1	157.8	165.8
Highest rating	1236.4 2024-04-01	1220.4 2024-02-01	1373.8 2024-03-01	1200 2018-10-01
Highest raw rating	1236.4 2024-04-01	1220.4 2024-02-01	1234.6 2024-04-01	1200 2024-02-01
Highest weighted rating	1234.5 2025-08-01	1220.4 2025-04-01	1231.4 2025-08-01	1200 2018-10-01
Highest weighted performance	1209.3 2023-05-01	1205.9 2023-05-01	1373.8 2024-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1236.4	1220.4	1234.6	1200
Analysis
Rating	1236.4	1220.4	1234.6	1200
Raw rating	1236.4	1220.4	1234.6	1200
Weighted rating	1235.7	1220.4	1233.4
Weighted performance	892.6	0	0
K-factor	36	36	36	36
Floor	736.4	720.4	734.6	700
Max/Min rating change allowed	157.4	161.1	157.8	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	1236.4	1220.4	1234.6	1200
New weighted rating	1236	1220.4	1233.9	1200
New weighted performance	885.2	0	0	0
Temp new rating	1236.4	1220.4	1234.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1236.4	1220.4	1234.6	1200
New K-factor	36	36	36	36
New floor	736.4	720.4	734.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	0	5
	10	10	0
	10	10	0
	0	0	0
History	25	20	5

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	25	13.5	54	34	1205.7	1239.7
Standard	20	10	50	0	1204.1	1204.1
Rapid	5	3.5	70	170	1212.2	1382.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1236.4	1220.4	1234.6	1200
2025-09-30	1236.4	1220.4	1234.6	1200
2025-09-01	1236.4	1220.4	1234.6	1200
2025-08-01	1236.4	1220.4	1234.6	1200
2025-07-01	1236.4	1220.4	1234.6	1200
2025-06-01	1236.4	1220.4	1234.6	1200
2025-05-01	1236.4	1220.4	1234.6	1200
2025-04-01	1236.4	1220.4	1234.6	1200
2025-03-01	1236.4	1220.4	1234.6	1200
2025-02-01	1236.4	1220.4	1234.6	1200
2025-01-01	1236.4	1220.4	1234.6	1200
2024-12-01	1236.4	1220.4	1234.6	1200
2024-11-01	1236.4	1220.4	1234.6	1200
2024-10-01	1236.4	1220.4	1234.6	1200
2024-09-01	1236.4	1220.4	1234.6	1200
2024-08-01	1236.4	1220.4	1234.6	1200
2024-07-01	1236.4	1220.4	1234.6	1200
2024-09-01	1236.4	1220.4	1234.6	1200
2024-05-01	1236.4	1220.4	1234.6	1200
2024-04-01	1236.4	1220.4	1234.6	1200
2024-03-01	1216.3	1220.4	1200	1200
2024-02-01	1216.3	1220.4	1200	1200
2024-01-01	1216.3	1220.4	1200	1200
2023-12-01	1216.3	1220.4	1200	1200

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	Benoni Primary School Cluster Individuals 2024 (U13 Boys)	2024-03-09	2024-03-09	Rapid	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
2	Ekurhuleni North Schools Individual Finals 2023 (U11 Boys)	2023-05-12	2023-05-12	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	Ekhuruleni Chess Trials 1 2023 (U12)	2023-03-25	2023-03-25	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	ACB Invitation Chess Tournament 2022 (U11+U13)	2022-06-11	2022-06-11	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
5	Ekurhuleni-North Schools Finals Indiv 2022 (U11 Boys)	2022-05-13	2022-05-13	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 3	type Rapid	result 0.5	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Lukhonga, C (Clayton)				Opponent Williams, L (Logan)
2	3	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-05-12	rnd 2	type Standard	result 1
		Opponent Cronje, A (Anru)				Opponent Mathonsi, A (Alan Ntwanano)
3	2	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Benoni Primary School Cluster Individuals 2024
		date 2023-05-12	rnd 5	type Standard	result 1	date 2024-03-09	rnd 1	type Rapid	result 1
		Opponent Makhubela, A (Andries Thato)				Opponent Kumersamy, A (Ayron)

#	Games	Start				End
1	3	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-05-12	rnd 2	type Standard	result 1
		Opponent Cronje, A (Anru)				Opponent Mathonsi, A (Alan Ntwanano)
2	2	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekhuruleni Chess Trials 1 2023
		date 2023-03-25	rnd 2	type Standard	result 1	date 2023-03-25	rnd 3	type Standard	result 1
		Opponent Lombard, R (Reece)				Opponent Liebenberg, WS (William Stephen)
3	2	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament Ekurhuleni-North Schools Finals Indiv 2022
		date 2022-05-13	rnd 2	type Standard	result 1	date 2022-05-13	rnd 3	type Standard	result 1
		Opponent Mashigo, D (Diego)				Opponent Dlamini, O (Owami)

#	Games	Start				End
1	3	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 3	type Rapid	result 0.5	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Lukhonga, C (Clayton)				Opponent Williams, L (Logan)
2	1	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 1	type Rapid	result 1	date 2024-03-09	rnd 1	type Rapid	result 1
		Opponent Kumersamy, A (Ayron)				Opponent Kumersamy, A (Ayron)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-05-12	rnd 2	type Standard	result 1
		Opponent Cronje, A (Anru)				Opponent Mathonsi, A (Alan Ntwanano)
2	2	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 4	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Swanepoel, D (Dihan)				Opponent Williams, L (Logan)
3	2	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Benoni Primary School Cluster Individuals 2024
		date 2023-05-12	rnd 5	type Standard	result 1	date 2024-03-09	rnd 1	type Rapid	result 1
		Opponent Makhubela, A (Andries Thato)				Opponent Kumersamy, A (Ayron)

#	Games	Start				End
1	3	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-05-12	rnd 2	type Standard	result 1
		Opponent Cronje, A (Anru)				Opponent Mathonsi, A (Alan Ntwanano)
2	2	Tournament Ekhuruleni Chess Trials 1 2023				Tournament Ekhuruleni Chess Trials 1 2023
		date 2023-03-25	rnd 2	type Standard	result 1	date 2023-03-25	rnd 3	type Standard	result 1
		Opponent Lombard, R (Reece)				Opponent Liebenberg, WS (William Stephen)
3	2	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament Ekurhuleni-North Schools Finals Indiv 2022
		date 2022-05-13	rnd 2	type Standard	result 1	date 2022-05-13	rnd 3	type Standard	result 1
		Opponent Mashigo, D (Diego)				Opponent Dlamini, O (Owami)

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 4	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Swanepoel, D (Dihan)				Opponent Williams, L (Logan)
2	1	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 1	type Rapid	result 1	date 2024-03-09	rnd 1	type Rapid	result 1
		Opponent Kumersamy, A (Ayron)				Opponent Kumersamy, A (Ayron)

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	Mamburu ,T (Tiana)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Mamburu ,T (Tiana)	1	1200.7	775.7	1	1200.4	775.7	0	0	0	0	0	0
2	Strydom ,L (Leyan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Strydom ,L (Leyan)	1	1239.1	814.1	1	1239.3	814.1	0	0	0	0	0	0
3	Kheswa ,MZ (Manqoba Zamokuhle)	1	1	425	1	1	425	0	0	0	0	0	0
3	Kheswa ,MZ (Manqoba Zamokuhle)	1	1096.7	1521.7	1	1086	1521.7	0	0	0	0	0	0
4	Cronje ,A (Anru)	1	1	425	1	1	425	0	0	0	0	0	0
4	Cronje ,A (Anru)	1	1312	1737	1	1333.5	1737	0	0	0	0	0	0
5	Liebenberg ,WS (William Stephen)	1	1	425	1	1	425	0	0	0	0	0	0
5	Liebenberg ,WS (William Stephen)	1	1198.7	1623.7	1	1200.5	1623.7	0	0	0	0	0	0
6	Kotze ,S (Seth)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Kotze ,S (Seth)	1	1037.7	612.7	1	1010.8	612.7	0	0	0	0	0	0
7	Lombard ,R (Reece)	1	1	425	1	1	425	0	0	0	0	0	0
7	Lombard ,R (Reece)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Potgieter ,G (Gustav)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Potgieter ,G (Gustav)	1	1199.3	774.3	1	1200	774.3	0	0	0	0	0	0
9	Dlamini ,O (Owami)	1	1	425	1	1	425	0	0	0	0	0	0
9	Dlamini ,O (Owami)	1	1154.8	1579.8	1	1145.6	1579.8	0	0	0	0	0	0
10	Mann ,I (Iowan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mann ,I (Iowan)	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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PLAYER PAGE

Personal

Vorster, K (Kean Pieter)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms