Chess South Africa Ratings Database

PLAYER PAGE

Personal

Weakley, I (Isabella)

Chess SA id

2170302578

FIDE id

Date of birth

2017-05-14 (U10)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-14

Personal details last changed

1900-01-01

Junior GPX Games

15.5

Junior GPX Points

990.6

Item	Main	Standard	Rapid	Blitz
Rating	1132.7	1153.8	1153.4	1200
Raw rating	1132.7	1153.8	1153.4	1200
Weighted rating	1130	1151.8	1152.1	1200
Weighted performance	962.2	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	182.5	177.1	177.2	165.8
Highest rating	1200 2024-04-01	1200 2024-04-01	1200 2024-04-01	1200 2024-05-01
Highest raw rating	1200 2024-04-01	1200 2024-04-01	1200 2024-04-01	1200 2024-05-01
Highest weighted rating	1200 2024-04-01	1200 2024-04-01	1200 2024-04-01	1200 2024-05-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-12-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1132.7	1153.8	1153.4	1200
Analysis
Rating	1132.7	1153.8	1153.4	1200
Raw rating	1132.7	1153.8	1153.4	1200
Weighted rating	1130	1151.8	1152.1
Weighted performance	962.2	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	182.5	177.1	177.2	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	1132.7	1153.8	1153.4	1200
New weighted rating	1129.4	1151.3	1151.6	1200
New weighted performance	961.9	0	0	0
Temp new rating	1132.7	1153.8	1153.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1132.7	1153.8	1153.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	18	13	5
	8	5	3
	0	0	0
	0	0	0
	0	0	0
History	26	18	8

Games since
	Main 26	Standard 18		Rapid 8		Blitz 0
Gender	Female
Age group	U10
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 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	18	4	22.22	-236.1	1251.7	1015.6
Standard	13	2.5	19.23	-261.5	1257.7	996.1
Rapid	5	1.5	30	-170	1236.3	1066.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	26	5	19.23	-261.5	1229.9	968.4
Standard	18	3.5	19.44	-259.7	1233.1	973.4
Rapid	8	1.5	18.75	-265.6	1222.7	957.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1132.7	1153.8	1153.4	1200
2025-09-01	1132.7	1153.8	1153.4	1200
2025-08-01	1132.7	1153.8	1153.4	1200
2025-07-01	1132.7	1153.8	1152.7	1200
2025-06-01	1132.6	1152.1	1158.4	1200
2025-05-01	1136.5	1156.2	1158.4	1200
2025-04-01	1135.8	1154.2	1158.4	1200
2025-03-01	1140.1	1158.9	1158.4	1200
2025-02-01	1139.4	1158.4	1157.9	1200
2025-01-01	1106.7	1136	1135.2	1200
2024-12-01	1106.7	1136	1135.2	1200
2024-11-01	1106.7	1136	1135.2	1200
2024-10-01	1106.7	1136	1135.2	1200
2024-09-01	1106.7	1136	1135.2	1200
2024-08-01	1106.7	1136	1135.2	1200
2024-07-01	1106.7	1136	1135.2	1200
2024-06-01	1106.7	1136	1135.2	1200
2024-08-01	1106.7	1136	1135.2	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	Ekurhuleni North School District Finals 2025 (U9 Girls)	2025-06-14	2025-06-14	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Kemptonpark School Cluster 2025 (U9)	2025-06-07	2025-06-07	Rapid	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
3	East Rand Chess Club Open 2025 (D)	2025-05-03	2025-05-03	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
4	East Rand Chess Club Open 2025 (D)	2025-03-01	2025-03-01	Standard	Ekurhuleni (GE)	5	4	0.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni North School District Finals 2025 (U9 Girls)	2025-06-14	2025-06-14	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Kemptonpark School Cluster 2025 (U9)	2025-06-07	2025-06-07	Rapid	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
3	East Rand Chess Club Open 2025 (D)	2025-05-03	2025-05-03	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
4	East Rand Chess Club Open 2025 (D)	2025-03-01	2025-03-01	Standard	Ekurhuleni (GE)	5	4	0.5	Yes	Analysis
5	Kempton Park Cluster Teams League 2024 (U9B)	2024-04-13	2024-04-13	Rapid	Ekurhuleni (GE)	5	3	0	Yes	Analysis
6	Ekurhuleni Open 2024 (E)	2024-04-06	2024-04-06	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 3	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Ngomane, B (Buhlebenkosi)				Opponent Ngomane, B (Buhlebenkosi)
2	1	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 1	type Standard	result 1	date 2025-06-14	rnd 1	type Standard	result 1
		Opponent Kinyanta, J (Joanne)				Opponent Kinyanta, J (Joanne)
3	1	Tournament Kemptonpark School Cluster 2025				Tournament Kemptonpark School Cluster 2025
		date 2025-06-07	rnd 4	type Rapid	result 0.5	date 2025-06-07	rnd 4	type Rapid	result 0.5
		Opponent Netshituni, O (Ompfa)				Opponent Netshituni, O (Ompfa)

#	Games	Start				End
1	1	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 3	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Ngomane, B (Buhlebenkosi)				Opponent Ngomane, B (Buhlebenkosi)
2	1	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 1	type Standard	result 1	date 2025-06-14	rnd 1	type Standard	result 1
		Opponent Kinyanta, J (Joanne)				Opponent Kinyanta, J (Joanne)
3	1	Tournament East Rand Chess Club Open 2025				Tournament East Rand Chess Club Open 2025
		date 2025-03-01	rnd 3	type Standard	result 0.5	date 2025-03-01	rnd 3	type Standard	result 0.5
		Opponent Pienaar, L (Ledine)				Opponent Pienaar, L (Ledine)

#	Games	Start				End
1	1	Tournament Kemptonpark School Cluster 2025				Tournament Kemptonpark School Cluster 2025
		date 2025-06-07	rnd 4	type Rapid	result 0.5	date 2025-06-07	rnd 4	type Rapid	result 0.5
		Opponent Netshituni, O (Ompfa)				Opponent Netshituni, O (Ompfa)
2	1	Tournament Kemptonpark School Cluster 2025				Tournament Kemptonpark School Cluster 2025
		date 2025-06-07	rnd 2	type Rapid	result 1	date 2025-06-07	rnd 2	type Rapid	result 1
		Opponent Jacobs, B (Blake)				Opponent Jacobs, B (Blake)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 3	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Ngomane, B (Buhlebenkosi)				Opponent Ngomane, B (Buhlebenkosi)
2	1	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 1	type Standard	result 1	date 2025-06-14	rnd 1	type Standard	result 1
		Opponent Kinyanta, J (Joanne)				Opponent Kinyanta, J (Joanne)
3	1	Tournament Kemptonpark School Cluster 2025				Tournament Kemptonpark School Cluster 2025
		date 2025-06-07	rnd 2	type Rapid	result 1	date 2025-06-07	rnd 2	type Rapid	result 1
		Opponent Jacobs, B (Blake)				Opponent Jacobs, B (Blake)

#	Games	Start				End
1	1	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 3	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Ngomane, B (Buhlebenkosi)				Opponent Ngomane, B (Buhlebenkosi)
2	1	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 1	type Standard	result 1	date 2025-06-14	rnd 1	type Standard	result 1
		Opponent Kinyanta, J (Joanne)				Opponent Kinyanta, J (Joanne)
3	1	Tournament Ekurhuleni Open 2024				Tournament Ekurhuleni Open 2024
		date 2024-04-06	rnd 4	type Standard	result 1	date 2024-04-06	rnd 4	type Standard	result 1
		Opponent Mosala, K (Kopano)				Opponent Mosala, K (Kopano)

#	Games	Start				End
1	1	Tournament Kemptonpark School Cluster 2025				Tournament Kemptonpark School Cluster 2025
		date 2025-06-07	rnd 2	type Rapid	result 1	date 2025-06-07	rnd 2	type Rapid	result 1
		Opponent Jacobs, B (Blake)				Opponent Jacobs, B (Blake)

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	Gabel Smit ,H (Heinrich)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Gabel Smit ,H (Heinrich)	2	1222.4	797.4	2	1225.9	797.4	0	0	0	0	0	0
2	Benjamin ,L (Liyabona)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Benjamin ,L (Liyabona)	2	1259.2	834.2	1	1134.8	834.2	1	1267	834.2	0	0	0
3	Deulkar ,R (Rajveer)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Deulkar ,R (Rajveer)	1	1148	723	1	1136.6	723	0	0	0	0	0	0
4	Ngomane ,B (Buhlebenkosi)	1	1	425	1	1	425	0	0	0	0	0	0
4	Ngomane ,B (Buhlebenkosi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Du Toit ,L (Luhann)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Du Toit ,L (Luhann)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Pienaar ,L (Ledine)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Pienaar ,L (Ledine)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
7	Serrao ,L (Luke)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Serrao ,L (Luke)	1	1180.4	755.4	1	1200	755.4	0	0	0	0	0	0
8	Hingorani ,N (Nurvi)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Hingorani ,N (Nurvi)	1	1313.6	888.6	1	1314.1	888.6	0	0	0	0	0	0
9	Abdul ,MA (Muhammed Ayaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Abdul ,MA (Muhammed Ayaan)	1	1443.9	1018.9	1	1433.9	1018.9	0	0	0	0	0	0
10	Venter ,J (Jaco)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Venter ,J (Jaco)	1	1444.7	1019.7	1	1439.9	1019.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Weakley, 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