Chess South Africa Ratings Database

PLAYER PAGE

Personal

Steinmann, I (Isabella)

Chess SA id

2160314517

FIDE id

Date of birth

2016-04-28 (U10)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-14

Personal details last changed

1900-01-01

Junior GPX Games

17.7

Junior GPX Points

1104.5

Item	Main	Standard	Rapid	Blitz
Rating	1269.8	1227	1250.2	1200
Raw rating	1269.8	1227	1250.2	1200
Weighted rating	1221.7	1202.1	1219.5	1200
Weighted performance	1254.2	0	0	0
Floor	769.8	727	750.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	150.1	159.6	154.4	165.8
Highest rating	1269.8 2025-09-30	1227 2025-09-30	1250.2 2025-07-01	1200 2025-03-01
Highest raw rating	1269.8 2025-09-30	1227 2025-09-30	1250.2 2025-07-01	1200 2025-03-01
Highest weighted rating	1221.7 2025-09-30	1202.1 2025-09-30	1212.7 2025-08-01	1200 2025-03-01
Highest weighted performance	1254.2 2025-09-30	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1269.8	1227	1250.2	1200
Analysis
Rating	1269.8	1227	1250.2	1200
Raw rating	1269.8	1227	1250.2	1200
Weighted rating	1221.7	1202.1	1219.5
Weighted performance	1254.2	0	0
K-factor	36	36	36	36
Floor	769.8	727	750.2	700
Max/Min rating change allowed	150.1	159.6	154.4	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	1269.8	1227	1250.2	1200
New weighted rating	1226.3	1204.2	1222.6	1200
New weighted performance	1253.8	0	0	0
Temp new rating	1269.8	1227	1250.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1269.8	1227	1250.2	1200
New K-factor	36	36	36	36
New floor	769.8	727	750.2	700

Item	Main	Standard	Rapid
	0	0	0
	30	10	20
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	30	10	20

Games since
	Main 30	Standard 10		Rapid 20		Blitz 0
Gender	Female
Age group	U10
Region	Johannesburg Metro (GJM)
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	1350		231		93
Female	267		43		6
U10	124		20		8
U10 Female	28		4		2
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	30	13.5	45	-42.5	1291.9	1249.4
Standard	10	4.5	45	-42.5	1302.4	1259.9
Rapid	20	9	45	-42.5	1286.7	1244.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	30	13.5	45	-42.5	1291.9	1249.4
Standard	10	4.5	45	-42.5	1302.4	1259.9
Rapid	20	9	45	-42.5	1286.7	1244.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1269.8	1227	1250.2	1200
2025-09-01	1257.2	1200	1250.2	1200
2025-08-01	1257.2	1200	1250.2	1200
2025-07-01	1257.2	1200	1250.2	1200
2025-06-01	1219.9	1200	1211.5	1200
2025-05-01	1219.2	1200	1232.9	1200
2025-04-01	1219.2	1199.8	1232.9	1200
2025-03-01	1196.8	1200	1192.9	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	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	GoForChess Junior Chess Championships 2025 (U10)	2025-09-14	2025-09-14	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
2	Ekurhuleni Trial 4 2025 (B)	2025-09-21	2025-09-21	Standard	Ekurhuleni (GE)	5	0	0	No	Analysis
3	Chess Power House Spring Rapid 2025 (D)	2025-09-21	2025-09-21	Rapid	Ekurhuleni (GE)	5	0	0	No	Analysis
4	Ekurhuleni Trial 2 2025 (B)	2025-06-21	2025-06-21	Standard	Ekurhuleni (GE)	5	0	0	No	Analysis
5	JMC Blairgowrie Rapid 2025 (U8+U10)	2025-06-08	2025-06-08	Rapid	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
6	Chess Power House Randburg Rapid 2025 (B)	2025-05-11	2025-05-11	Rapid	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
7	Chess Power House March Open 2025 (D)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
8	UJ Scholars 1st Edition 2025 (U13)	2025-03-15	2025-03-15	Rapid	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
9	Chess Power House Feb Rapid 2025 (C)	2025-02-02	2025-02-02	Rapid	Johannesburg Metro (GJM)	5	5	0.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	GoForChess Junior Chess Championships 2025 (U10)	2025-09-14	2025-09-14	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
2	Ekurhuleni Trial 4 2025 (B)	2025-09-21	2025-09-21	Standard	Ekurhuleni (GE)	5	0	0	No	Analysis
3	Chess Power House Spring Rapid 2025 (D)	2025-09-21	2025-09-21	Rapid	Ekurhuleni (GE)	5	0	0	No	Analysis
4	Ekurhuleni Trial 2 2025 (B)	2025-06-21	2025-06-21	Standard	Ekurhuleni (GE)	5	0	0	No	Analysis
5	JMC Blairgowrie Rapid 2025 (U8+U10)	2025-06-08	2025-06-08	Rapid	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
6	Chess Power House Randburg Rapid 2025 (B)	2025-05-11	2025-05-11	Rapid	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
7	Chess Power House March Open 2025 (D)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
8	UJ Scholars 1st Edition 2025 (U13)	2025-03-15	2025-03-15	Rapid	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
9	Chess Power House Feb Rapid 2025 (C)	2025-02-02	2025-02-02	Rapid	Johannesburg Metro (GJM)	5	5	0.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 2	type Rapid	result 0.5	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Matsepa, D (Dimpho)				Opponent Murendeni, S (Sinthumule)
2	3	Tournament GoForChess Junior Chess Championships 2025				Tournament GoForChess Junior Chess Championships 2025
		date 2025-09-14	rnd 2	type Standard	result 0.5	date 2025-09-14	rnd 4	type Standard	result 1
		Opponent Konada, D (Devansh)				Opponent Sooganchand, G (Gia)
3	3	Tournament JMC Blairgowrie Rapid 2025				Tournament JMC Blairgowrie Rapid 2025
		date 2025-06-08	rnd 3	type Rapid	result 1	date 2025-06-08	rnd 5	type Rapid	result 1
		Opponent Luus, A (Ava)				Opponent Malemane, A (Atlehang Faith)

#	Games	Start				End
1	3	Tournament GoForChess Junior Chess Championships 2025				Tournament GoForChess Junior Chess Championships 2025
		date 2025-09-14	rnd 2	type Standard	result 0.5	date 2025-09-14	rnd 4	type Standard	result 1
		Opponent Konada, D (Devansh)				Opponent Sooganchand, G (Gia)
2	2	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 2	type Standard	result 1	date 2025-03-22	rnd 3	type Standard	result 1
		Opponent Mgadi, Y (Yamkela)				Opponent Tongarae, B (Buhle)

#	Games	Start				End
1	4	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 2	type Rapid	result 0.5	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Matsepa, D (Dimpho)				Opponent Murendeni, S (Sinthumule)
2	3	Tournament JMC Blairgowrie Rapid 2025				Tournament JMC Blairgowrie Rapid 2025
		date 2025-06-08	rnd 3	type Rapid	result 1	date 2025-06-08	rnd 5	type Rapid	result 1
		Opponent Luus, A (Ava)				Opponent Malemane, A (Atlehang Faith)
3	1	Tournament JMC Blairgowrie Rapid 2025				Tournament JMC Blairgowrie Rapid 2025
		date 2025-06-08	rnd 1	type Rapid	result 1	date 2025-06-08	rnd 1	type Rapid	result 1
		Opponent Kamate, M (Myra)				Opponent Kamate, M (Myra)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament JMC Blairgowrie Rapid 2025				Tournament JMC Blairgowrie Rapid 2025
		date 2025-06-08	rnd 3	type Rapid	result 1	date 2025-06-08	rnd 5	type Rapid	result 1
		Opponent Luus, A (Ava)				Opponent Malemane, A (Atlehang Faith)
2	3	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 3	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent So, K (Kayley)				Opponent Murendeni, S (Sinthumule)
3	2	Tournament GoForChess Junior Chess Championships 2025				Tournament GoForChess Junior Chess Championships 2025
		date 2025-09-14	rnd 3	type Standard	result 1	date 2025-09-14	rnd 4	type Standard	result 1
		Opponent Manchikala, V (Venkaiah Hansel)				Opponent Sooganchand, G (Gia)

#	Games	Start				End
1	2	Tournament GoForChess Junior Chess Championships 2025				Tournament GoForChess Junior Chess Championships 2025
		date 2025-09-14	rnd 3	type Standard	result 1	date 2025-09-14	rnd 4	type Standard	result 1
		Opponent Manchikala, V (Venkaiah Hansel)				Opponent Sooganchand, G (Gia)
2	2	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 2	type Standard	result 1	date 2025-03-22	rnd 3	type Standard	result 1
		Opponent Mgadi, Y (Yamkela)				Opponent Tongarae, B (Buhle)

#	Games	Start				End
1	3	Tournament JMC Blairgowrie Rapid 2025				Tournament JMC Blairgowrie Rapid 2025
		date 2025-06-08	rnd 3	type Rapid	result 1	date 2025-06-08	rnd 5	type Rapid	result 1
		Opponent Luus, A (Ava)				Opponent Malemane, A (Atlehang Faith)
2	3	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 3	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent So, K (Kayley)				Opponent Murendeni, S (Sinthumule)
3	1	Tournament JMC Blairgowrie Rapid 2025				Tournament JMC Blairgowrie Rapid 2025
		date 2025-06-08	rnd 1	type Rapid	result 1	date 2025-06-08	rnd 1	type Rapid	result 1
		Opponent Kamate, M (Myra)				Opponent Kamate, M (Myra)

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	Samuel ,K (Kenneth)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Samuel ,K (Kenneth)	1	1378.7	953.7	1	1379.7	953.7	0	0	0	0	0	0
2	Mgadi ,Y (Yamkela)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mgadi ,Y (Yamkela)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Baloi ,K (Kahle)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Baloi ,K (Kahle)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Sooganchand ,G (Gia)	1	1	425	1	1	425	0	0	0	0	0	0
4	Sooganchand ,G (Gia)	1	1366.9	1791.9	1	1369.7	1791.9	0	0	0	0	0	0
5	Manchikala ,V (Venkaiah Hansel)	1	1	425	1	1	425	0	0	0	0	0	0
5	Manchikala ,V (Venkaiah Hansel)	1	1210	1635	1	1211.2	1635	0	0	0	0	0	0
6	Newman ,A (Ayen)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Newman ,A (Ayen)	1	1522.5	1097.5	1	1515.7	1097.5	0	0	0	0	0	0
7	Ravuri ,C (Chinmay Vihaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Ravuri ,C (Chinmay Vihaan)	1	1545.8	1120.8	1	1545.2	1120.8	0	0	0	0	0	0
8	Jaffe ,E (Ellla)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Jaffe ,E (Ellla)	1	1149.6	724.6	0	0	0	1	1114.7	724.6	0	0	0
9	Mokgoko ,K (Kgosietsile)	1	1	425	0	0	0	1	1	425	0	0	0
9	Mokgoko ,K (Kgosietsile)	1	1214.7	1639.7	0	0	0	1	1218.7	1639.7	0	0	0
10	Kamate ,M (Myra)	1	1	425	0	0	0	1	1	425	0	0	0
10	Kamate ,M (Myra)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Steinmann, I (Isabella)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms