Chess South Africa Ratings Database

PLAYER PAGE

Personal

Brown, I (Isla)

Chess SA id

2130159019

FIDE id

Date of birth

2013-08-29 (U14)

Gender

Female

Region

Cape Town (WCT)

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

Item	Main	Standard	Rapid	Blitz
Rating	1183.9	1200.2	1172.5	1200
Raw rating	1164.1	1168	1172.5	1200
Weighted rating	1183.9	1200.2	1172.2	1200
Weighted performance	0	0	0	0
Floor	714.3	736	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	174.5	173.6	172.4	165.8
Highest rating	1214.3 2025-09-01	1236 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1214.3 2025-09-01	1236 2025-09-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1202.9 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2024-03-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.5	-2.6	0	0
New rating	1182.3	1197.6	1172.5	1200
Analysis
Rating	1183.9	1200.2	1172.5	1200
Raw rating	1164.1	1168	1172.5	1200
Weighted rating	1183.9	1200.2	1172.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	714.3	736	700	700
Max/Min rating change allowed	174.5	173.6	172.4	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	1164.1	1168	1172.5	1200
New weighted rating	1182.3	1197.6	1172.2	1200
New weighted performance	0	0	0	0
Temp new rating	1182.3	1197.6	1172.5	1200
Temp new rating +/-	-1.5	-2.6	0	0
Final new rating +/-	-1.5	-2.6	0	0
New rating	1182.3	1197.6	1172.5	1200
New K-factor	36	36	36	36
New floor	714.3	736	700	700

Item	Main	Standard	Rapid
	0	0	0
	6	6	0
	0	0	0
	4	0	4
	0	0	0
	0	0	0
History	10	6	4

Games since
	Main 6	Standard 6		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	6	2	33.33	-141.7	1244.3	1102.7
Standard	6	2	33.33	-141.7	1244.3	1102.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	3	30	-170	1243.7	1073.7
Standard	6	2	33.33	-141.7	1244.3	1102.7
Rapid	4	1	25	-212.5	1242.8	1030.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1164.1	1168	1172.5	1200
2025-09-01	1214.3	1236	1172.5	1200
2025-08-01	1183.3	1200	1172.5	1200
2025-07-01	1183.3	1200	1172.5	1200
2025-06-01	1183.3	1200	1172.5	1200
2025-05-01	1183.3	1200	1172.5	1200
2025-04-01	1183.3	1200	1172.5	1200
2025-03-01	1183.3	1200	1172.5	1200
2025-02-01	1183.3	1200	1172.5	1200
2025-01-01	1182.7	1200	1171.6	1200
2024-12-01	1182.7	1200	1171.6	1200
2024-11-01	1182.7	1200	1171.6	1200
2024-10-01	1182.7	1200	1171.6	1200
2024-09-01	1182.7	1200	1171.6	1200
2024-08-01	1182.7	1200	1171.6	1200
2024-07-01	1182.7	1200	1171.6	1200
2024-06-01	1182.7	1200	1171.6	1200
2024-08-01	1182.7	1200	1171.6	1200
2024-04-01	1182.7	1200	1171.6	1200
2024-03-01	1182.7	1200	1171.6	1200
2024-02-01	1182.7	1200	1171.6	1200
2024-01-01	1182.7	1200	1171.6	1200
2023-12-01	1182.7	1200	1171.6	1200
2023-11-01	1182.7	1200	1171.6	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	4	0	Yes	Analysis
2	Cape Town Metro North Top Schools 2025 (U13 Girls)	2025-08-02	2025-08-02	Standard	Cape Town (WCT)	2	2	2	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	4	0	Yes	Analysis
2	Cape Town Metro North Top Schools 2025 (U13 Girls)	2025-08-02	2025-08-02	Standard	Cape Town (WCT)	2	2	2	Yes	Analysis
3	CT Metro District North Top Schools Chess 2023 (U11 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	5	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Jones, M (Musfiqah)				Opponent Sitshaluza, S (Sesona)
2	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Nuwenhuys, J (Jade)				Opponent Nuwenhuys, J (Jade)

#	Games	Start				End
1	2	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Jones, M (Musfiqah)				Opponent Sitshaluza, S (Sesona)

#	Games	Start				End
1	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Nuwenhuys, J (Jade)				Opponent Nuwenhuys, J (Jade)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Jones, M (Musfiqah)				Opponent Sitshaluza, S (Sesona)
2	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Nuwenhuys, J (Jade)				Opponent Nuwenhuys, J (Jade)

#	Games	Start				End
1	2	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Jones, M (Musfiqah)				Opponent Sitshaluza, S (Sesona)

#	Games	Start				End
1	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Nuwenhuys, J (Jade)				Opponent Nuwenhuys, J (Jade)

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	Venter ,D (Danelize)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Venter ,D (Danelize)	1	1326.8	901.8	1	1268.6	901.8	0	0	0	0	0	0
2	Sitshaluza ,S (Sesona)	1	1	425	1	1	425	0	0	0	0	0	0
2	Sitshaluza ,S (Sesona)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Barnard ,M (Marizaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Barnard ,M (Marizaan)	1	1362.4	937.4	1	1353.4	937.4	0	0	0	0	0	0
4	Jones ,M (Musfiqah)	1	1	425	1	1	425	0	0	0	0	0	0
4	Jones ,M (Musfiqah)	1	1199.6	1624.6	1	1199.9	1624.6	0	0	0	0	0	0
5	Rubusana ,L (Lolothando)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Rubusana ,L (Lolothando)	1	1274.6	849.6	1	1257	849.6	0	0	0	0	0	0
6	Musvasvi ,K (Kelly)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Musvasvi ,K (Kelly)	1	1102.6	677.6	1	1090.2	677.6	0	0	0	0	0	0
7	Conner ,A (Arrison)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Conner ,A (Arrison)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Van Wyk ,D (Dimitri)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Van Wyk ,D (Dimitri)	1	1337.7	912.7	0	0	0	1	1320.4	912.7	0	0	0
9	Vlok ,A (Adiaan)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Vlok ,A (Adiaan)	1	1233.4	808.4	0	0	0	1	1261.2	808.4	0	0	0
10	Nuwenhuys ,J (Jade)	1	1	425	0	0	0	1	1	425	0	0	0
10	Nuwenhuys ,J (Jade)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Brown, I (Isla)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms