Chess South Africa Ratings Database

PLAYER PAGE

Personal

Alperin, E (Emma)

Chess SA id

2160302668

FIDE id

Date of birth

2016-07-26 (U10)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1191.4	1200	1176.1	1200
Raw rating	1191.4	1200	1176.1	1200
Weighted rating	1190.5	1200	1173.7	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.9	165.8	171.6	165.8
Highest rating	1200 2024-11-01	1200 2024-05-01	1200 2024-11-01	1200 2024-05-01
Highest raw rating	1200 2024-04-01	1200 2024-05-01	1200 2024-04-01	1200 2024-05-01
Highest weighted rating	1200 2024-11-01	1200 2024-05-01	1200 2024-11-01	1200 2024-05-01
Highest weighted performance	1200 2024-12-01	1200 2024-05-01	1200 2024-12-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1191.4	1200	1176.1	1200
Analysis
Rating	1191.4	1200	1176.1	1200
Raw rating	1191.4	1200	1176.1	1200
Weighted rating	1190.5	1200	1173.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	167.9	165.8	171.6	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	1191.4	1200	1176.1	1200
New weighted rating	1190.5	1200	1173.7	1200
New weighted performance	0	0	0	0
Temp new rating	1191.4	1200	1176.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1191.4	1200	1176.1	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	5	5
	5	5
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 0		Rapid 10		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	-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	5	1.5	30	-170	1189.9	1019.9
Standard	0	0	0	0	0	0
Rapid	5	1.5	30	-170	1189.9	1019.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	3	30	-170	1219	1049
Standard	0	0	0	0	0	0
Rapid	10	3	30	-170	1219	1049
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1191.4	1200	1176.1	1200
2025-09-30	1191.4	1200	1176.1	1200
2025-09-01	1191.4	1200	1176.1	1200
2025-08-01	1191.4	1200	1176.1	1200
2025-07-01	1191.4	1200	1176.1	1200
2025-06-01	1191.4	1200	1176.1	1200
2025-05-01	1191.4	1200	1176.1	1200
2025-04-01	1191.4	1200	1176.1	1200
2025-03-01	1190.4	1200	1174.3	1200
2025-02-01	1191.7	1200	1176.9	1200
2025-01-01	1187.2	1200	1164.4	1200
2024-12-01	1187.2	1200	1164.4	1200
2024-11-01	1187.2	1200	1164.4	1200
2024-10-01	1187.2	1200	1164.4	1200
2024-09-01	1187.2	1200	1164.4	1200
2024-08-01	1187.2	1200	1164.4	1200
2024-07-01	1187.2	1200	1164.4	1200
2024-09-01	1187.2	1200	1164.4	1200
2024-05-01	1187.2	1200	1164.4	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

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	Chess Power House Feb Rapid 2025 (C)	2025-02-02	2025-02-02	Rapid	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Chess Power House Feb Rapid 2025 (C)	2025-02-02	2025-02-02	Rapid	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
2	JCC King David Linksfield Rapid 2024 (D)	2024-04-21	2024-04-21	Rapid	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Chess Power House Feb Rapid 2025				Tournament Chess Power House Feb Rapid 2025
		date 2025-02-02	rnd 2	type Rapid	result 0.5	date 2025-02-02	rnd 3	type Rapid	result 1
		Opponent Jaffe, E (Ellla)				Opponent Buddah, J (Jayansh)
2	2	Tournament JCC King David Linksfield Rapid 2024				Tournament JCC King David Linksfield Rapid 2024
		date 2024-04-21	rnd 3	type Rapid	result 0.5	date 2024-04-21	rnd 4	type Rapid	result 1
		Opponent Lipshitz, J (Jamie)				Opponent Du Plessis, A (Aiden)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chess Power House Feb Rapid 2025				Tournament Chess Power House Feb Rapid 2025
		date 2025-02-02	rnd 2	type Rapid	result 0.5	date 2025-02-02	rnd 3	type Rapid	result 1
		Opponent Jaffe, E (Ellla)				Opponent Buddah, J (Jayansh)
2	2	Tournament JCC King David Linksfield Rapid 2024				Tournament JCC King David Linksfield Rapid 2024
		date 2024-04-21	rnd 3	type Rapid	result 0.5	date 2024-04-21	rnd 4	type Rapid	result 1
		Opponent Lipshitz, J (Jamie)				Opponent Du Plessis, A (Aiden)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Chess Power House Feb Rapid 2025				Tournament Chess Power House Feb Rapid 2025
		date 2025-02-02	rnd 3	type Rapid	result 1	date 2025-02-02	rnd 3	type Rapid	result 1
		Opponent Buddah, J (Jayansh)				Opponent Buddah, J (Jayansh)
2	1	Tournament JCC King David Linksfield Rapid 2024				Tournament JCC King David Linksfield Rapid 2024
		date 2024-04-21	rnd 4	type Rapid	result 1	date 2024-04-21	rnd 4	type Rapid	result 1
		Opponent Du Plessis, A (Aiden)				Opponent Du Plessis, A (Aiden)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Chess Power House Feb Rapid 2025				Tournament Chess Power House Feb Rapid 2025
		date 2025-02-02	rnd 3	type Rapid	result 1	date 2025-02-02	rnd 3	type Rapid	result 1
		Opponent Buddah, J (Jayansh)				Opponent Buddah, J (Jayansh)
2	1	Tournament JCC King David Linksfield Rapid 2024				Tournament JCC King David Linksfield Rapid 2024
		date 2024-04-21	rnd 4	type Rapid	result 1	date 2024-04-21	rnd 4	type Rapid	result 1
		Opponent Du Plessis, A (Aiden)				Opponent Du Plessis, A (Aiden)

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	Jaffe ,E (Ellla)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
1	Jaffe ,E (Ellla)	1	1149.6	1149.6	0	0	0	1	1114.7	1149.6	0	0	0
2	Du Plessis ,A (Aiden)	1	1	425	0	0	0	1	1	425	0	0	0
2	Du Plessis ,A (Aiden)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
3	Danilowitz ,N (Noa)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Danilowitz ,N (Noa)	1	1200	775	0	0	0	1	1200	775	0	0	0
4	Buddah ,J (Jayansh)	1	1	425	0	0	0	1	1	425	0	0	0
4	Buddah ,J (Jayansh)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
5	Treger ,N (Neima)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Treger ,N (Neima)	1	1200	775	0	0	0	1	1200	775	0	0	0
6	Marcus ,Y (Yoni)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Marcus ,Y (Yoni)	1	1200	775	0	0	0	1	1200	775	0	0	0
7	Mafane ,A (Atlegang)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Mafane ,A (Atlegang)	1	1363.6	938.6	0	0	0	1	1257.2	938.6	0	0	0
8	Tenzer ,A (Alexander)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Tenzer ,A (Alexander)	1	1277.1	852.1	0	0	0	1	1200	852.1	0	0	0
9	Goshen ,N (Nate)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Goshen ,N (Nate)	1	1200	775	0	0	0	1	1200	775	0	0	0
10	Lipshitz ,J (Jamie)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
10	Lipshitz ,J (Jamie)	1	1200	1200	0	0	0	1	1200	1200	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Alperin, E (Emma)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms