Chess South Africa Ratings Database

PLAYER PAGE

Personal

Vorster, S (Sophia)

Chess SA id

207076757

FIDE id

Date of birth

2007-08-28 (U20)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-10-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1196.8	1167.2	1202.4	1200
Raw rating	1196.8	1167.2	1202.4	1200
Weighted rating	1196.8	1167.2	1202.4	1200
Weighted performance	806.9	0	0	0
Floor	700	700	702.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	166.6	173.7	165.2	165.8
Highest rating	1217.3 2023-10-01	1200 2018-10-01	1204.6 2022-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1202.4 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1202.4 2025-07-01	1200 2018-10-01
Highest weighted performance	1217.3 2023-10-01	1200 2019-12-01	1204.6 2022-10-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1196.8	1167.2	1202.4	1200
Analysis
Rating	1196.8	1167.2	1202.4	1200
Raw rating	1196.8	1167.2	1202.4	1200
Weighted rating	1196.8	1167.2	1202.4
Weighted performance	806.9	0	0
K-factor	36	36	36	36
Floor	700	700	702.4	700
Max/Min rating change allowed	166.6	173.7	165.2	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	1196.8	1167.2	1202.4	1200
New weighted rating	1196.8	1167.2	1202.4	1200
New weighted performance	800.1	0	0	0
Temp new rating	1196.8	1167.2	1202.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1196.8	1167.2	1202.4	1200
New K-factor	36	36	36	36
New floor	700	700	702.4	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	17	12	5
	9	5	4
	0	0	0
History	31	17	14

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-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	26	12.5	48.08	-16.3	1209.1	1192.7
Standard	17	7.5	44.12	-50	1205.9	1155.9
Rapid	9	5	55.56	47.2	1215	1262.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1196.8	1167.2	1202.4	1200
2025-09-30	1196.8	1167.2	1202.4	1200
2025-09-01	1196.8	1167.2	1202.4	1200
2025-08-01	1196.8	1167.2	1202.4	1200
2025-07-01	1196.8	1167.2	1202.4	1200
2025-06-01	1196.8	1167.2	1202.4	1200
2025-05-01	1196.8	1167.2	1202.4	1200
2025-04-01	1196.8	1167.2	1202.4	1200
2025-03-01	1196.8	1167.2	1202.4	1200
2025-02-01	1196.8	1167.2	1202.4	1200
2025-01-01	1196.8	1167.2	1202.4	1200
2024-12-01	1196.8	1167.2	1202.4	1200
2024-11-01	1196.8	1167.2	1202.4	1200
2024-10-01	1196.8	1167.2	1202.4	1200
2024-09-01	1196.8	1167.2	1202.4	1200
2024-08-01	1196.8	1167.2	1202.4	1200
2024-07-01	1196.8	1167.2	1202.4	1200
2024-09-01	1196.8	1167.2	1202.4	1200
2024-05-01	1196.8	1167.2	1202.4	1200
2024-04-01	1196.8	1167.2	1202.4	1200
2024-03-01	1196.8	1167.2	1202.4	1200
2024-02-01	1196.8	1167.2	1202.4	1200
2024-01-01	1196.8	1167.2	1202.4	1200
2023-12-01	1196.8	1167.2	1202.4	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	Paarl Boys High Chess Festival 2023 (Elite Division)	2023-10-13	2023-10-14	Standard	Cape Winelands (WCW)	6	2	1	Yes	Analysis
2	Western Cape Top Schools 2023 (U18 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	5	2	Yes	Analysis
3	CW Top Schools 2023 (U15+U18 Girls)	2023-08-26	2023-08-26	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
4	Cape Winelands Schools Prestige 2023 (U17 Girls)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
5	Metro Rapid 2022 (U15 Girls)	2022-10-22	2022-10-22	Rapid	Cape Town (WCT)	5	4	2	Yes	Analysis
6	Robertson Strategema Club 2022 (U17)	2022-10-29	2022-10-29	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Prestige 2023				Tournament CW Top Schools 2023
		date 2023-03-11	rnd 4	type Standard	result 1	date 2023-08-26	rnd 2	type Rapid	result 1
		Opponent Snyman, J (Junoel)				Opponent Cloete, Z (Zoe)
2	2	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 1	type Standard	result 1	date 2023-09-02	rnd 2	type Standard	result 1
		Opponent Baartzes, C (Cleo)				Opponent Prins, L (Lukeesha)
3	2	Tournament Metro Rapid 2022				Tournament Metro Rapid 2022
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2022-10-22	rnd 4	type Rapid	result 1
		Opponent Mostert, C (Carien)				Opponent Fabricius, A (Anja)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Prestige 2023				Tournament Western Cape Top Schools 2023
		date 2023-03-11	rnd 4	type Standard	result 1	date 2023-09-02	rnd 2	type Standard	result 1
		Opponent Snyman, J (Junoel)				Opponent Prins, L (Lukeesha)
2	1	Tournament Paarl Boys High Chess Festival 2023				Tournament Paarl Boys High Chess Festival 2023
		date 2023-10-13	rnd 2	type Standard	result 1	date 2023-10-13	rnd 2	type Standard	result 1
		Opponent Van Niekerk, M (Mone)				Opponent Van Niekerk, M (Mone)
3	1	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 2	type Standard	result 0.5	date 2023-03-11	rnd 2	type Standard	result 0.5
		Opponent Alkaster, M (Mianca)				Opponent Alkaster, M (Mianca)

#	Games	Start				End
1	2	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 1	type Rapid	result 1	date 2023-08-26	rnd 2	type Rapid	result 1
		Opponent Burger, S (Suzanne)				Opponent Cloete, Z (Zoe)
2	2	Tournament Metro Rapid 2022				Tournament Metro Rapid 2022
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2022-10-22	rnd 4	type Rapid	result 1
		Opponent Mostert, C (Carien)				Opponent Fabricius, A (Anja)
3	1	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 4	type Rapid	result 1	date 2023-08-26	rnd 4	type Rapid	result 1
		Opponent Arnoldus, M (Marceline)				Opponent Arnoldus, M (Marceline)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Prestige 2023				Tournament CW Top Schools 2023
		date 2023-03-11	rnd 4	type Standard	result 1	date 2023-08-26	rnd 2	type Rapid	result 1
		Opponent Snyman, J (Junoel)				Opponent Cloete, Z (Zoe)
2	2	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 1	type Standard	result 1	date 2023-09-02	rnd 2	type Standard	result 1
		Opponent Baartzes, C (Cleo)				Opponent Prins, L (Lukeesha)
3	2	Tournament Metro Rapid 2022				Tournament Metro Rapid 2022
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2022-10-22	rnd 4	type Rapid	result 1
		Opponent Mostert, C (Carien)				Opponent Fabricius, A (Anja)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Prestige 2023				Tournament Western Cape Top Schools 2023
		date 2023-03-11	rnd 4	type Standard	result 1	date 2023-09-02	rnd 2	type Standard	result 1
		Opponent Snyman, J (Junoel)				Opponent Prins, L (Lukeesha)
2	1	Tournament Paarl Boys High Chess Festival 2023				Tournament Paarl Boys High Chess Festival 2023
		date 2023-10-13	rnd 2	type Standard	result 1	date 2023-10-13	rnd 2	type Standard	result 1
		Opponent Van Niekerk, M (Mone)				Opponent Van Niekerk, M (Mone)
3	1	Tournament Robertson Strategema Club 2022				Tournament Robertson Strategema Club 2022
		date 2022-10-29	rnd 4	type Standard	result 1	date 2022-10-29	rnd 4	type Standard	result 1
		Opponent Smith, O (Oswill)				Opponent Smith, O (Oswill)

#	Games	Start				End
1	2	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 1	type Rapid	result 1	date 2023-08-26	rnd 2	type Rapid	result 1
		Opponent Burger, S (Suzanne)				Opponent Cloete, Z (Zoe)
2	2	Tournament Metro Rapid 2022				Tournament Metro Rapid 2022
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2022-10-22	rnd 4	type Rapid	result 1
		Opponent Mostert, C (Carien)				Opponent Fabricius, A (Anja)
3	1	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 4	type Rapid	result 1	date 2023-08-26	rnd 4	type Rapid	result 1
		Opponent Arnoldus, M (Marceline)				Opponent Arnoldus, M (Marceline)

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	Kelleher ,S (Sophie)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Kelleher ,S (Sophie)	1	1162.9	737.9	1	1169.2	737.9	0	0	0	0	0	0
2	Prins ,L (Lukeesha)	1	1	425	1	1	425	0	0	0	0	0	0
2	Prins ,L (Lukeesha)	1	1209.5	1634.5	1	1206.9	1634.5	0	0	0	0	0	0
3	Motasie ,S (Sinthle)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Motasie ,S (Sinthle)	1	1160.2	735.2	1	1200	735.2	0	0	0	0	0	0
4	Goeieman ,J (Jody-Anne)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Goeieman ,J (Jody-Anne)	1	1345.1	920.1	1	1319.1	920.1	0	0	0	0	0	0
5	Manuhwa ,P (Progress)	1	1	425	1	1	425	0	0	0	0	0	0
5	Manuhwa ,P (Progress)	1	1205.6	1630.6	1	1193.6	1630.6	0	0	0	0	0	0
6	Robinson ,J (Jessica)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Robinson ,J (Jessica)	1	1290.7	865.7	1	1230.9	865.7	0	0	0	0	0	0
7	Springveldt ,D (Deileeya)	1	1	425	1	1	425	0	0	0	0	0	0
7	Springveldt ,D (Deileeya)	1	1153.7	1578.7	1	1157.6	1578.7	0	0	0	0	0	0
8	Mattheys ,C (Clyde)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mattheys ,C (Clyde)	1	1100.8	675.8	1	1098.4	675.8	0	0	0	0	0	0
9	Smith ,O (Oswill)	1	1	425	1	1	425	0	0	0	0	0	0
9	Smith ,O (Oswill)	1	1143.1	1568.1	1	1112	1568.1	0	0	0	0	0	0
10	Snyman ,J (Junoel)	1	1	425	1	1	425	0	0	0	0	0	0
10	Snyman ,J (Junoel)	1	1143.7	1568.7	1	1152.8	1568.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Vorster, S (Sophia)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms