Chess South Africa Ratings Database

PLAYER PAGE

Personal

Vorster, S (Stephan)

Chess SA id

1080304723

FIDE id

Date of birth

2008-10-24 (U18)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1361.2

Item	Main	Standard	Rapid	Blitz
Rating	1345.9	1345.4	1193.6	1200
Raw rating	1345.9	1345.4	1193.6	1200
Weighted rating	1285.3	1285.9	1192.7	1200
Weighted performance	1269.9	1267.9	0	0
Floor	906.1	914.1	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	134.7	134.8	167.3	165.8
Highest rating	1406.1 2025-06-01	1414.1 2025-06-01	1200 2024-05-01	1200 2024-05-01
Highest raw rating	1406.1 2025-06-01	1414.1 2025-06-01	1200 2024-05-01	1200 2024-05-01
Highest weighted rating	1285.3 2025-09-30	1285.9 2025-09-30	1200 2024-05-01	1200 2024-05-01
Highest weighted performance	1406.1 2025-06-01	1414.1 2024-06-01	1200 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1345.9	1345.4	1193.6	1200
Analysis
Rating	1345.9	1345.4	1193.6	1200
Raw rating	1345.9	1345.4	1193.6	1200
Weighted rating	1285.3	1285.9	1192.7
Weighted performance	1269.9	1267.9	0
K-factor	32	32	36	36
Floor	906.1	914.1	700	700
Max/Min rating change allowed	134.7	134.8	167.3	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	1345.9	1345.4	1193.6	1200
New weighted rating	1293	1293.6	1192.6	1200
New weighted performance	1269.5	1267.5	0	0
Temp new rating	1345.9	1345.4	1193.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1345.9	1345.4	1193.6	1200
New K-factor	32	32	36	36
New floor	906.1	914.1	700	700

Item	Main	Standard	Rapid
	0	0	0
	31	31	0
	15	11	4
	0	0	0
	0	0	0
	0	0	0
History	46	42	4

Games since
	Main 46	Standard 42		Rapid 4		Blitz 0
Gender	Male
Age group	U18
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	2704		363		90
Male	2183		309		78
U18	418		51		12
U18 Male	353		49		11
Standard
	RSA		Province		Region
Overall	2621		354		83
Male	2111		298		71
U18	433		55		12
U18 Male	368		52		11
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	31	18.5	59.68	82.3	1307.9	1390.1
Standard	31	18.5	59.68	82.3	1307.9	1390.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	46	24	52.17	18.5	1298.8	1317.2
Standard	42	23	54.76	40.5	1292.7	1333.1
Rapid	4	1	25	-212.5	1362.9	1150.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1345.9	1345.4	1193.6	1200
2025-09-01	1392.5	1395.9	1193.6	1200
2025-08-01	1392.5	1395.9	1193.6	1200
2025-07-01	1406.1	1414.1	1193.6	1200
2025-06-01	1406.1	1414.1	1193.6	1200
2025-05-01	1367.4	1372.4	1193.6	1200
2025-04-01	1323	1304.8	1193.6	1200
2025-03-01	1236.7	1244.9	1193.6	1200
2025-02-01	1193.7	1192.6	1193.1	1200
2025-01-01	1190.1	1190.4	1184	1200
2024-12-01	1190.1	1190.4	1184	1200
2024-11-01	1190.1	1190.4	1184	1200
2024-10-01	1190.1	1190.4	1184	1200
2024-09-01	1190.1	1190.4	1184	1200
2024-08-01	1195.9	1190.4	1200	1200
2024-07-01	1195.9	1190.4	1200	1200
2024-06-01	1170.4	1159.6	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	EC Closed 2025 (U18 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
2	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U18 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	3	Yes	Analysis
3	SBDCA Closed 2025 (U18 Boys)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
4	SBD Trials Graaff Reinet 12 April 2025 (U18)	2025-04-12	2025-04-12	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis
5	SBDCA Trials GRT 22 March 2025 (U18)	2025-03-22	2025-03-22	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
6	SBDCU Graaff-Reinet Trials 2025 (U18)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	4	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	EC Closed 2025 (U18 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
2	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U18 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	3	Yes	Analysis
3	SBDCA Closed 2025 (U18 Boys)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
4	SBD Trials Graaff Reinet 12 April 2025 (U18)	2025-04-12	2025-04-12	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis
5	SBDCA Trials GRT 22 March 2025 (U18)	2025-03-22	2025-03-22	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
6	SBDCU Graaff-Reinet Trials 2025 (U18)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	4	3	Yes	Analysis
7	Sarah Baartman District Schools Trials 2024 (U18 Boys)	2024-08-03	2024-08-03	Rapid	Sarah Baartman (ESB)	5	4	1	Yes	Analysis
8	SBDCU Trial 3 2024 (U18)	2024-06-01	2024-06-01	Standard	Sarah Baartman (ESB)	5	5	2.5	Yes	Analysis
9	Fountains Mall 2024 (B)	2024-05-17	2024-05-18	Standard	Sarah Baartman (ESB)	6	6	2	Yes	Analysis

#	Games	Start				End
1	11	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-07-11	rnd 1	type Standard	result 1
		Opponent Tadesse, L (Lina)				Opponent Olivier, H (Handru)
2	5	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-22	rnd 3	type Standard	result 1
		Opponent Olivier, H (Handru)				Opponent Theunissen, A (Andrew)
3	2	Tournament Sarah Baartman District Schools Trials 2024				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2024-08-03	rnd 5	type Rapid	result 1	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent Geswint, S (Stazlon)				Opponent Piercey, T (Tara)

#	Games	Start				End
1	11	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-07-11	rnd 1	type Standard	result 1
		Opponent Tadesse, L (Lina)				Opponent Olivier, H (Handru)
2	5	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-22	rnd 3	type Standard	result 1
		Opponent Olivier, H (Handru)				Opponent Theunissen, A (Andrew)
3	2	Tournament SBDCU Trial 3 2024				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2024-06-01	rnd 5	type Standard	result 0.5	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent Mbete, L (Lisakhanya)				Opponent Piercey, T (Tara)

#	Games	Start				End
1	1	Tournament Sarah Baartman District Schools Trials 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-08-03	rnd 5	type Rapid	result 1	date 2024-08-03	rnd 5	type Rapid	result 1
		Opponent Geswint, S (Stazlon)				Opponent Geswint, S (Stazlon)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-22	rnd 3	type Standard	result 1
		Opponent Olivier, H (Handru)				Opponent Theunissen, A (Andrew)
2	3	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Tadesse, L (Lina)				Opponent Olivier, H (Handru)
3	2	Tournament Sarah Baartman District Schools Trials 2024				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2024-08-03	rnd 5	type Rapid	result 1	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent Geswint, S (Stazlon)				Opponent Piercey, T (Tara)

#	Games	Start				End
1	5	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-22	rnd 3	type Standard	result 1
		Opponent Olivier, H (Handru)				Opponent Theunissen, A (Andrew)
2	3	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Tadesse, L (Lina)				Opponent Olivier, H (Handru)
3	1	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-06	rnd 2	type Standard	result 1	date 2025-09-06	rnd 2	type Standard	result 1
		Opponent Nontshotwana, C (Chuma)				Opponent Nontshotwana, C (Chuma)

#	Games	Start				End
1	1	Tournament Sarah Baartman District Schools Trials 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-08-03	rnd 5	type Rapid	result 1	date 2024-08-03	rnd 5	type Rapid	result 1
		Opponent Geswint, S (Stazlon)				Opponent Geswint, S (Stazlon)

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	Olivier ,H (Handru)	4	3.5	318.8	4	3.5	318.8	0	0	0	0	0	0
1	Olivier ,H (Handru)	4	1184.4	1503.1	4	1186.3	1503.1	0	0	0	0	0	0
2	Fourie ,N (Neelon)	4	0.5	-318.8	4	0.5	-318.8	0	0	0	0	0	0
2	Fourie ,N (Neelon)	4	1431.6	1112.8	4	1429.1	1112.8	0	0	0	0	0	0
3	Schuster ,A (Alfonso)	2	1	0	2	1	0	0	0	0	0	0	0
3	Schuster ,A (Alfonso)	2	1197.6	1197.6	2	1199.6	1197.6	0	0	0	0	0	0
4	Theunissen ,A (Andrew)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
4	Theunissen ,A (Andrew)	2	1465.1	1677.6	2	1442.2	1677.6	0	0	0	0	0	0
5	Tadesse ,L (Lina)	2	2	425	2	2	425	0	0	0	0	0	0
5	Tadesse ,L (Lina)	2	1109.7	1534.7	2	1097.3	1534.7	0	0	0	0	0	0
6	Munemo ,T (Tadiwa)	2	0	-425	1	0	-425	1	0	-425	0	0	0
6	Munemo ,T (Tadiwa)	2	1587.5	1162.5	1	1567.9	1162.5	1	1533.3	1162.5	0	0	0
7	Sobayeni ,A (Anam)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Sobayeni ,A (Anam)	1	1458.8	1458.8	1	1455.9	1458.8	0	0	0	0	0	0
8	Prinsloo ,R (Ritza)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Prinsloo ,R (Ritza)	1	1243	818	1	1191.6	818	0	0	0	0	0	0
9	Niemand ,R (Romeo)	1	1	425	1	1	425	0	0	0	0	0	0
9	Niemand ,R (Romeo)	1	1228.3	1653.3	1	1232.1	1653.3	0	0	0	0	0	0
10	Nteyi ,A (Abenathi)	1	1	425	1	1	425	0	0	0	0	0	0
10	Nteyi ,A (Abenathi)	1	1208.1	1633.1	1	1208.8	1633.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Vorster, S (Stephan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms