Chess South Africa Ratings Database

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Personal

Du Toit, I (Isabella)

Chess SA id

2090152208

FIDE id

Date of birth

2009-04-07 (U18)

Gender

Female

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1180.9

Item	Main	Standard	Rapid	Blitz
Rating	1314.7	1282.4	1299.6	1200
Raw rating	1314.7	1282.4	1299.6	1200
Weighted rating	1305.1	1275.1	1266.2	1200
Weighted performance	1263	1213.4	0	0
Floor	817.9	784.5	799.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	140.8	147.5	143.9	165.8
Highest rating	1337.1 2024-03-01	1286.6 2024-03-01	1299.6 2025-03-01	1200 2018-10-01
Highest raw rating	1317.9 2025-04-01	1284.5 2024-08-01	1299.6 2025-03-01	1200 2024-03-01
Highest weighted rating	1305.1 2025-09-30	1275.1 2025-09-30	1255.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1337.1 2024-03-01	1286.6 2024-03-01	1285.5 2024-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1314.7	1282.4	1299.6	1200
Analysis
Rating	1314.7	1282.4	1299.6	1200
Raw rating	1314.7	1282.4	1299.6	1200
Weighted rating	1305.1	1275.1	1266.2
Weighted performance	1263	1213.4	0
K-factor	36	36	36	36
Floor	817.9	784.5	799.6	700
Max/Min rating change allowed	140.8	147.5	143.9	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	1314.7	1282.4	1299.6	1200
New weighted rating	1306.8	1276	1270.8	1200
New weighted performance	1262.5	1213	0	0
Temp new rating	1314.7	1282.4	1299.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1314.7	1282.4	1299.6	1200
New K-factor	36	36	36	36
New floor	817.9	784.5	799.6	700

Item	Main	Standard	Rapid
	0	0	0
	26	14	12
	33	28	5
	25	20	5
	0	0	0
	0	0	0
History	84	62	22

Games since
	Main 59	Standard 42		Rapid 17		Blitz 0
Gender	Female
Age group	U18
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3026		981		79
Female	607		257		26
U18	463		138		9
U18 Female	74		32		3
Standard
	RSA		Province		Region
Overall	3238		921		58
Female	692		264		17
U18	527		135		7
U18 Female	89		33		1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	15	57.69	65.4	1278.6	1343.9
Standard	14	7	50	0	1316.7	1316.7
Rapid	12	8	66.67	141.7	1234	1375.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	84	45	53.57	30.4	1274	1304.4
Standard	62	31	50	0	1293	1293
Rapid	22	14	63.64	115.9	1220.7	1336.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1314.7	1282.4	1299.6	1200
2025-09-01	1314.7	1277.3	1299.6	1200
2025-08-01	1317.9	1277.5	1299.6	1200
2025-07-01	1317.9	1277.5	1299.6	1200
2025-06-01	1317.9	1277.5	1299.6	1200
2025-05-01	1317.9	1277.5	1299.6	1200
2025-04-01	1317.9	1277.5	1299.6	1200
2025-03-01	1314.2	1270.1	1299.6	1200
2025-02-01	1289.3	1270.1	1231.2	1200
2025-01-01	1289.3	1270.1	1231.2	1200
2024-12-01	1289.3	1270.1	1231.2	1200
2024-11-01	1289.3	1270.1	1231.2	1200
2024-10-01	1289.3	1270.1	1231.2	1200
2024-09-01	1305.1	1284.5	1231.2	1200
2024-08-01	1305.1	1284.5	1231.2	1200
2024-07-01	1308.1	1283.8	1231.2	1200
2024-06-01	1308.1	1283.8	1231.2	1200
2024-08-01	1308.1	1283.8	1231.2	1200
2024-04-01	1308.1	1283.8	1231.2	1200
2024-03-01	1262	1241.7	1231.2	1200
2024-02-01	1238.5	1241.7	1160.8	1200
2024-01-01	1238.5	1241.7	1160.8	1200
2023-12-01	1238.5	1241.7	1160.8	1200
2023-11-01	1238.5	1241.7	1160.8	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 (U17 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
2	Overberg Top Schools 2025 (U15-U19 Girls)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
3	Overberg Schools - HS Closed 2025 (U17 Girls)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
4	Overberg Schools - HS Trials 2025 (U17 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
5	Overberg Schools & Federation Open 2025 (U17)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4	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 (U17 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
2	Overberg Top Schools 2025 (U15-U19 Girls)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
3	Overberg Schools - HS Closed 2025 (U17 Girls)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
4	Overberg Schools - HS Trials 2025 (U17 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
5	Overberg Schools & Federation Open 2025 (U17)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
6	Overberg GP Invitational Day 2 2024 (A)	2024-09-27	2024-09-27	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
7	Overberg GP Invitational Day 1 2024 (A)	2024-09-26	2024-09-26	Standard	Overberg (WOS)	5	4	0.5	Yes	Analysis
8	Western Cape Top Schools Championship 2024 (U15 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	5	3.5	Yes	Analysis
9	Overberg Schools - Top Schools 2024 (U9-U15 Girls)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
10	Western Cape HS Individuals Championship 2024 (U15 Girls)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	3	Yes	Analysis
11	Overberg High Schools Trails 2024 (U15 Girls)	2024-03-02	2024-03-02	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
12	Overberg High Schools Trails 2024 (U15)	2024-02-24	2024-02-24	Rapid	Overberg (WOS)	5	5	4	Yes	Analysis
13	Western Cape Top Schools 2023 (U15 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
14	Overberg Top Schools 2023 (U15+U18)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
15	Western Cape HS Individuals 2023 (U15 Girls)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
16	Overberg High School Closed 2023 (U15 Girls)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
17	Overberg High Schools Trails 2023 (U15)	2023-02-24	2023-02-24	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament Overberg Schools - Top Schools 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-27	rnd 4	type Standard	result 1	date 2024-08-30	rnd 4	type Standard	result 1
		Opponent Mtiki, S (Sesona)				Opponent Van Rooyen, S (Shayla)
2	5	Tournament Overberg High Schools Trails 2024				Tournament Overberg High Schools Trails 2024
		date 2024-02-24	rnd 3	type Rapid	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Visser, L (Lucian)				Opponent Pekeur, N (Nicole)
3	4	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Closed 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Mackenzie, E (Erin-Lee)				Opponent Mackenzie, E (Erin-Lee)

#	Games	Start				End
1	6	Tournament Overberg Schools - Top Schools 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-27	rnd 4	type Standard	result 1	date 2024-08-30	rnd 4	type Standard	result 1
		Opponent Mtiki, S (Sesona)				Opponent Van Rooyen, S (Shayla)
2	3	Tournament Western Cape HS Individuals Championship 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-21	rnd 2	type Standard	result 1	date 2024-03-21	rnd 4	type Standard	result 1
		Opponent Claassen, H (Haylene)				Opponent Dyantyi, E (Enathi)
3	3	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 2	type Standard	result 1	date 2023-08-05	rnd 4	type Standard	result 1
		Opponent Booysen, W (Will-Matthew)				Opponent Bantam, J (Jaden-Leigh)

#	Games	Start				End
1	6	Tournament Overberg High Schools Trails 2024				Tournament Overberg Schools & Federation Open 2025
		date 2024-02-24	rnd 3	type Rapid	result 1	date 2025-02-01	rnd 3	type Rapid	result 0.5
		Opponent Visser, L (Lucian)				Opponent Bucchianeri, J (Jodi)
2	4	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-01	rnd 5	type Rapid	result 0.5	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Beyers, D (Donna-Claire)				Opponent Beyers, D (Donna-Claire)
3	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Mackenzie, E (Erin-Lee)				Opponent Gouveia Goncalves, I (Isabella)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Overberg High Schools Trails 2024				Tournament Overberg High Schools Trails 2024
		date 2024-02-24	rnd 3	type Rapid	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Visser, L (Lucian)				Opponent Pekeur, N (Nicole)
2	4	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Closed 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Mackenzie, E (Erin-Lee)				Opponent Mackenzie, E (Erin-Lee)
3	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-01	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Truter, M (Meike)				Opponent Beyers, D (Donna-Claire)

#	Games	Start				End
1	3	Tournament Overberg Schools - Top Schools 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-27	rnd 4	type Standard	result 1	date 2024-08-30	rnd 1	type Standard	result 1
		Opponent Mtiki, S (Sesona)				Opponent Seas, A (Ava-Gee)
2	3	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 2	type Standard	result 1	date 2023-08-05	rnd 4	type Standard	result 1
		Opponent Booysen, W (Will-Matthew)				Opponent Bantam, J (Jaden-Leigh)
3	2	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Prins, F (Florenique)				Opponent Pieterse, J (Jay-Leigh)

#	Games	Start				End
1	5	Tournament Overberg High Schools Trails 2024				Tournament Overberg Schools & Federation Open 2025
		date 2024-02-24	rnd 3	type Rapid	result 1	date 2025-02-01	rnd 2	type Rapid	result 1
		Opponent Visser, L (Lucian)				Opponent van der Berg, I (Isaiah)
2	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-01	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Truter, M (Meike)				Opponent Beyers, D (Donna-Claire)
3	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 6	type Rapid	result 1
		Opponent Mackenzie, E (Erin-Lee)				Opponent Gouveia Goncalves, I (Isabella)

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	Bucchianeri ,J (Jodi)	4	0.5	-318.8	1	0	-425	3	0.5	-283.3	0	0	0
1	Bucchianeri ,J (Jodi)	4	1376.2	1057.4	1	1352.7	951.2	3	1281.8	1092.9	0	0	0
2	Pieterse ,J (Jay-Leigh)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
2	Pieterse ,J (Jay-Leigh)	2	1115.4	1327.9	2	1087	1327.9	0	0	0	0	0	0
3	Harmse ,D (Deon)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Harmse ,D (Deon)	2	1615.8	1190.8	2	1627.6	1190.8	0	0	0	0	0	0
4	Jayiya ,L (Lihle)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
4	Jayiya ,L (Lihle)	2	1303.1	1090.6	2	1249	1090.6	0	0	0	0	0	0
5	Opperman ,C (Connor)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Opperman ,C (Connor)	2	1649.9	1224.9	2	1623.2	1224.9	0	0	0	0	0	0
6	Johnson ,L (Lakeisha)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Johnson ,L (Lakeisha)	2	1566.6	1141.6	2	1540.5	1141.6	0	0	0	0	0	0
7	Hendricks ,L (Lakeisha)	2	2	425	2	2	425	0	0	0	0	0	0
7	Hendricks ,L (Lakeisha)	2	1181.2	1606.2	2	1169.6	1606.2	0	0	0	0	0	0
8	Erasmus ,A (Anneke)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Erasmus ,A (Anneke)	2	1560.4	1135.4	2	1520	1135.4	0	0	0	0	0	0
9	Xamsana ,A (Asive)	2	1	0	2	1	0	0	0	0	0	0	0
9	Xamsana ,A (Asive)	2	1230.2	1230.2	2	1229.9	1230.2	0	0	0	0	0	0
10	Le Kay ,Y (Yshah)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Le Kay ,Y (Yshah)	2	1433.8	1008.8	2	1407.6	1008.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Du Toit, I (Isabella)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms