Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, S (Sylvie)

Chess SA id

2140152364

FIDE id

Date of birth

2014-07-15 (U12)

Gender

Female

Region

Overberg (WOS)

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

1231.7

Item	Main	Standard	Rapid	Blitz
Rating	1351.2	1317	1350.8	1200
Raw rating	1321	1282	1350.8	1200
Weighted rating	1351.2	1317	1324.4	1200
Weighted performance	1243.7	1221.9	0	0
Floor	897.7	853.1	850.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	139.6	147.5	133.7	165.8
Highest rating	1397.7 2025-04-01	1353.1 2025-04-01	1420.3 2024-03-01	1200 2018-10-01
Highest raw rating	1397.7 2025-04-01	1353.1 2025-04-01	1350.8 2025-03-01	1200 2024-03-01
Highest weighted rating	1352 2025-09-01	1318.8 2025-09-01	1315.5 2025-08-01	1200 2018-10-01
Highest weighted performance	1387.3 2025-04-01	1348.8 2023-08-01	1420.3 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1	-1.9	0	0
New rating	1350.2	1315.1	1350.8	1200
Analysis
Rating	1351.2	1317	1350.8	1200
Raw rating	1321	1282	1350.8	1200
Weighted rating	1351.2	1317	1324.4
Weighted performance	1243.7	1221.9	0
K-factor	36	36	36	36
Floor	897.7	853.1	850.8	700
Max/Min rating change allowed	139.6	147.5	133.7	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	1321	1282	1350.8	1200
New weighted rating	1350.2	1315.1	1328.2	1200
New weighted performance	1243.2	1221.5	0	0
Temp new rating	1350.2	1315.1	1350.8	1200
Temp new rating +/-	-1	-1.9	0	0
Final new rating +/-	-1	-1.9	0	0
New rating	1350.2	1315.1	1350.8	1200
New K-factor	36	36	36	36
New floor	897.7	853.1	850.8	700

Item	Main	Standard	Rapid
	0	0	0
	26	20	6
	16	11	5
	27	21	6
	0	0	0
	0	0	0
History	69	52	17

Games since
	Main 42	Standard 31		Rapid 11		Blitz 0
Gender	Female
Age group	U12
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2661		842		63
Female	489		204		21
U12	381		131		15
U12 Female	100		41		6
Standard
	RSA		Province		Region
Overall	2899		827		53
Female	579		224		15
U12	420		120		11
U12 Female	113		39		4
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 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	26	16.5	63.46	114.4	1250.1	1364.5
Standard	20	11.5	57.5	63.8	1247.1	1310.8
Rapid	6	5	83.33	283.3	1260.2	1543.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	69	45	65.22	129.3	1232.7	1362.1
Standard	52	31.5	60.58	89.9	1238.4	1328.3
Rapid	17	13.5	79.41	250	1215.4	1465.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1321	1282	1350.8	1200
2025-09-01	1373.6	1340.7	1350.8	1200
2025-08-01	1368.3	1327.6	1350.8	1200
2025-07-01	1368.3	1327.6	1350.8	1200
2025-06-01	1368.3	1327.6	1350.8	1200
2025-05-01	1397.7	1353.1	1350.8	1200
2025-04-01	1397.7	1353.1	1350.8	1200
2025-03-01	1370	1312.2	1350.8	1200
2025-02-01	1338.4	1312.2	1299.6	1200
2025-01-01	1338.4	1312.2	1299.6	1200
2024-12-01	1338.4	1312.2	1299.6	1200
2024-11-01	1338.4	1312.2	1299.6	1200
2024-10-01	1338.4	1312.2	1299.6	1200
2024-09-01	1338.4	1312.2	1299.6	1200
2024-08-01	1338.4	1312.2	1299.6	1200
2024-07-01	1338.4	1312.2	1299.6	1200
2024-06-01	1338.4	1312.2	1299.6	1200
2024-08-01	1333	1297.4	1299.6	1200
2024-04-01	1333	1297.4	1299.6	1200
2024-03-01	1265	1260	1234.4	1200
2024-02-01	1265	1260	1234.4	1200
2024-01-01	1265	1260	1234.4	1200
2023-12-01	1265	1260	1234.4	1200
2023-11-01	1265	1260	1234.4	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	Western Cape Schools - Top Schools 2025 (U13 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	1.5	Yes	Analysis
2	Overberg Top Schools 2025 (U9-U13 Girls)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	3	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U11 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
4	Overberg Schools - PS Closed 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
5	Overberg Schools - PS Trials (Region 1) 2025 (U11 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U13 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	1.5	Yes	Analysis
2	Overberg Top Schools 2025 (U9-U13 Girls)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	3	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U11 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
4	Overberg Schools - PS Closed 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
5	Overberg Schools - PS Trials (Region 1) 2025 (U11 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
6	Western Cape PS Individuals Championship 2024 (U11 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
7	Overberg Schools - PS Closed 2024 (U11 Girls)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
8	Overberg Schools - PS Trials Region 3 2024 (U11 Girls)	2024-03-02	2024-03-02	Rapid	Overberg (WOS)	5	5	4.5	Yes	Analysis
9	Western Cape Top Schools 2023 (U9 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	5	2	Yes	Analysis
10	Overberg Top Schools 2023 (U7+U9)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
11	Western Cape PS Individuals 2023 (U9 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
12	Overberg School Chess Closed Tournament 2023 (U9 Girls)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
13	Overberg Primary School Trials (Region 2)	2023-02-24	2023-03-10	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis

#	Games	Start				End
1	9	Tournament Western Cape Top Schools 2023				Tournament Overberg Schools - PS Closed 2024
		date 2023-09-03	rnd 5	type Standard	result 1	date 2024-03-16	rnd 2	type Standard	result 1
		Opponent Boas, F (Fransisca)				Opponent Tait, S (Savannah)
2	6	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-05-18	rnd 6	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 0.5
		Opponent Sander, H (Hannah)				Opponent Larey, J (Jeanne)
3	5	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Du Plessis, V (Vera)				Opponent Sander, H (Hannah)

#	Games	Start				End
1	6	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-05-18	rnd 6	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 0.5
		Opponent Sander, H (Hannah)				Opponent Larey, J (Jeanne)
2	5	Tournament Western Cape PS Individuals Championship 2024				Tournament Overberg Schools - PS Closed 2025
		date 2024-05-05	rnd 5	type Standard	result 0.5	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Marinus, M (Madison)				Opponent Sander, H (Hannah)
3	4	Tournament Western Cape Top Schools 2023				Tournament Overberg Schools - PS Closed 2024
		date 2023-09-03	rnd 5	type Standard	result 1	date 2024-03-16	rnd 2	type Standard	result 1
		Opponent Boas, F (Fransisca)				Opponent Tait, S (Savannah)

#	Games	Start				End
1	8	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2024-03-02	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Otto, K (Karlien)				Opponent Indhull, N (Nikita)
2	4	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-02-24	rnd 2	type Rapid	result 1	date 2023-03-10	rnd 5	type Rapid	result 1
		Opponent Craib, G (Gabrielle)				Opponent Knapp, A (Anna)
3	2	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Du Plessis, V (Vera)				Opponent Ngalo, E (Entle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Du Plessis, V (Vera)				Opponent Sander, H (Hannah)
2	4	Tournament Western Cape PS Individuals Championship 2024				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2024-05-05	rnd 6	type Standard	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Pretorius, Z (Zuribeth)				Opponent Indhull, N (Nikita)
3	4	Tournament Western Cape PS Individuals 2023				Tournament Overberg Top Schools 2023
		date 2023-05-06	rnd 5	type Standard	result 1	date 2023-08-05	rnd 2	type Standard	result 1
		Opponent Erasmus, A (Annabel)				Opponent Fourie, D (David)

#	Games	Start				End
1	4	Tournament Western Cape PS Individuals Championship 2024				Tournament Overberg Schools - PS Closed 2025
		date 2024-05-05	rnd 6	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Pretorius, Z (Zuribeth)				Opponent Sander, H (Hannah)
2	4	Tournament Western Cape PS Individuals 2023				Tournament Overberg Top Schools 2023
		date 2023-05-06	rnd 5	type Standard	result 1	date 2023-08-05	rnd 2	type Standard	result 1
		Opponent Erasmus, A (Annabel)				Opponent Fourie, D (David)
3	3	Tournament Overberg Schools - PS Closed 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-16	rnd 4	type Standard	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Le Roux, C (Carmen)				Opponent Kotze, L (Luquezia)

#	Games	Start				End
1	4	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2024-03-02	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Dreyer, L (Leah)				Opponent Indhull, N (Nikita)
2	4	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-02-24	rnd 2	type Rapid	result 1	date 2023-03-10	rnd 5	type Rapid	result 1
		Opponent Craib, G (Gabrielle)				Opponent Knapp, A (Anna)
3	3	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2024-03-02	rnd 1	type Rapid	result 1	date 2024-03-02	rnd 3	type Rapid	result 1
		Opponent Otto, K (Karlien)				Opponent Du Preez, A (Anneke)

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	Mtiki ,S (Sesona)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
1	Mtiki ,S (Sesona)	3	1218.9	1077.3	2	1226	1218.9	1	1200	793.9	0	0	0
2	Dreyer ,L (Leah)	3	3	425	1	1	425	2	2	425	0	0	0
2	Dreyer ,L (Leah)	3	1178.5	1603.5	1	1200	1603.5	2	1179	1603.5	0	0	0
3	Du Plessis ,V (Vera)	3	2	141.7	1	1	425	2	1	0	0	0	0
3	Du Plessis ,V (Vera)	3	1221.8	1363.5	1	1200	1646.8	2	1202.5	1221.8	0	0	0
4	Du Preez ,A (Anneke)	3	1	-141.7	1	0	-425	2	1	0	0	0	0
4	Du Preez ,A (Anneke)	3	1345.9	1204.3	1	1225.3	920.9	2	1306.1	1345.9	0	0	0
5	Sander ,H (Hannah)	2	2	425	2	2	425	0	0	0	0	0	0
5	Sander ,H (Hannah)	2	1260.5	1685.5	2	1234.2	1685.5	0	0	0	0	0	0
6	Riddles ,C (Ciara)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Riddles ,C (Ciara)	2	1475.8	1050.8	2	1471.4	1050.8	0	0	0	0	0	0
7	Ntontelo ,O (Oyintando)	2	2	425	2	2	425	0	0	0	0	0	0
7	Ntontelo ,O (Oyintando)	2	1163.8	1588.8	2	1140.1	1588.8	0	0	0	0	0	0
8	Scholtz ,M (Miche)	2	1	0	2	1	0	0	0	0	0	0	0
8	Scholtz ,M (Miche)	2	1263.6	1263.6	2	1278	1263.6	0	0	0	0	0	0
9	Foye ,R (Rhossanah)	2	2	425	1	1	425	1	1	425	0	0	0
9	Foye ,R (Rhossanah)	2	1080	1505	1	1124.8	1505	1	1076.8	1505	0	0	0
10	Knapp ,A (Anna)	2	1	0	1	0	-425	1	1	425	0	0	0
10	Knapp ,A (Anna)	2	1333.1	1333.1	1	1416.7	908.1	1	1204.4	1758.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Pretorius, S (Sylvie)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms