Chess South Africa Ratings Database

PLAYER PAGE

Personal

Stein, A (Aryeh)

Chess SA id

110089784

FIDE id

Date of birth

2010-12-30 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1013.1	1011.8	684.6	684.6
Raw rating	1013.1	1011.8	684.6	684.6
Weighted rating	969.7	958.5	684.6	684.6
Weighted performance	72.1	70.9	0	0
Floor	513.1	511.8	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	216.4	216.8	345.6	345.6
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1013.1 2025-11-30	1011.8 2025-11-30	684.6 2024-02-01	684.6 2024-02-01
Highest weighted rating	965.7 2025-11-30	953.7 2025-11-30	684.6 2024-11-01	684.6 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1013.1	1011.8	684.6	684.6
Analysis
Rating	1013.1	1011.8	684.6	684.6
Raw rating	1013.1	1011.8	684.6	684.6
Weighted rating	969.7	958.5	684.6
Weighted performance	72.1	70.9	0
K-factor	40	40	40	40
Floor	513.1	511.8	500	500
Max/Min rating change allowed	216.4	216.8	345.6	345.6
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	1013.1	1011.8	684.6	684.6
New weighted rating	973.4	963.1	684.6	684.6
New weighted performance	65.9	64.8	0	0
Temp new rating	1013.1	1011.8	684.6	684.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1013.1	1011.8	684.6	684.6
New K-factor	40	40	40	40
New floor	513.1	511.8	500	500

Item	Main	Standard
	0	0
	4	4
	0	0
	0	0
	0	0
	0	0
History	61	61

Games since
	Main 4	Standard 4		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-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	4	2	50	0	1376.1	1376.1
Standard	4	2	50	0	1376.1	1376.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	41	16.5	40.24	-82.9	939.2	856.3
Standard	41	16.5	40.24	-82.9	939.2	856.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1013.1	1011.8	684.6	684.6
2025-11-30	1013.1	1011.8	684.6	684.6
2025-11-01	961.6	948.6	684.6	684.6
2025-09-30	961.6	948.6	684.6	684.6
2025-09-01	961.6	948.6	684.6	684.6
2025-08-01	961.6	948.6	684.6	684.6
2025-07-01	961.6	948.6	684.6	684.6
2025-06-01	961.6	948.6	684.6	684.6
2025-05-01	961.6	948.6	684.6	684.6
2025-04-01	961.6	948.6	684.6	684.6
2025-03-01	961.6	948.6	684.6	684.6
2025-02-01	961.6	948.6	684.6	684.6
2025-01-01	961.6	948.6	684.6	684.6
2024-12-01	961.6	948.6	684.6	684.6
2024-11-01	961.6	948.6	684.6	684.6
2024-10-01	961.6	948.6	684.6	684.6
2024-09-01	961.6	948.6	684.6	684.6
2024-11-01	961.6	948.6	684.6	684.6
2024-07-01	961.6	948.6	684.6	684.6
2024-06-01	961.6	948.6	684.6	684.6
2024-05-01	961.6	948.6	684.6	684.6
2024-04-01	961.6	948.6	684.6	684.6
2024-03-01	961.6	948.6	684.6	684.6
2024-02-01	961.6	948.6	684.6	684.6

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JCC St Davids Marist Schools League 2025 (A)	2025-09-08	2025-10-27	Standard	Johannesburg Metro (GJM)	6	4	2	Yes	Analysis
2	Chessnuts Spring 2018 (Knights)	2018-09-29	2018-09-29	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
3	GoForChess Saheti Junior Chess Championships 2018 (U8+U10)	2018-09-22	2018-09-22	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	Chessnuts Youth Day Chess Tournament 2018 (U10)	2018-06-16	2018-06-16	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
5	JNW Club - Linden Open 2018 (U10)	2018-04-14	2018-04-14	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
6	JNW Club - Northriding College Open 2018 (U10)	2018-03-10	2018-03-10	Standard	Johannesburg Metro (GJM)	6	4	1	Yes	Analysis
7	Chessnuts - Kickoff Open 2018 (D)	2018-02-09	2018-02-10	Standard	Johannesburg Metro (GJM)	6	2	1	Yes	Analysis
8	JNW Club - Bryanston Open 2018 (U10)	2018-01-27	2018-01-27	Standard	Johannesburg Metro (GJM)	6	5	1	Yes	Analysis
9	South African Junior Team Championships 2017 (U8B+U8 Girls)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-06	rnd 5	type Standard	result 1
		Opponent Dada, N (Naeem)				Opponent Brenkman, C (Christopher)
2	2	Tournament Chessnuts Spring 2018				Tournament Chessnuts Spring 2018
		date 2018-09-29	rnd 4	type Standard	result 1	date 2018-09-29	rnd 5	type Standard	result 0.5
		Opponent Motsumi, P (Pholoso)				Opponent Van Der Merwe, D (Divan)
3	2	Tournament Chessnuts Youth Day Chess Tournament 2018				Tournament Chessnuts Youth Day Chess Tournament 2018
		date 2018-06-16	rnd 4	type Standard	result 1	date 2018-06-16	rnd 5	type Standard	result 1
		Opponent Eilers, J (Jonathan)				Opponent Nkosi, R (Rorisang)

#	Games	Start				End
1	5	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-06	rnd 5	type Standard	result 1
		Opponent Dada, N (Naeem)				Opponent Brenkman, C (Christopher)
2	2	Tournament Chessnuts Spring 2018				Tournament Chessnuts Spring 2018
		date 2018-09-29	rnd 4	type Standard	result 1	date 2018-09-29	rnd 5	type Standard	result 0.5
		Opponent Motsumi, P (Pholoso)				Opponent Van Der Merwe, D (Divan)
3	2	Tournament Chessnuts Youth Day Chess Tournament 2018				Tournament Chessnuts Youth Day Chess Tournament 2018
		date 2018-06-16	rnd 4	type Standard	result 1	date 2018-06-16	rnd 5	type Standard	result 1
		Opponent Eilers, J (Jonathan)				Opponent Nkosi, R (Rorisang)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-05	rnd 3	type Standard	result 1	date 2018-01-06	rnd 5	type Standard	result 1
		Opponent Van Heerden, G (Gideon)				Opponent Brenkman, C (Christopher)
2	2	Tournament Chessnuts Youth Day Chess Tournament 2018				Tournament Chessnuts Youth Day Chess Tournament 2018
		date 2018-06-16	rnd 4	type Standard	result 1	date 2018-06-16	rnd 5	type Standard	result 1
		Opponent Eilers, J (Jonathan)				Opponent Nkosi, R (Rorisang)
3	1	Tournament Chessnuts Spring 2018				Tournament Chessnuts Spring 2018
		date 2018-09-29	rnd 4	type Standard	result 1	date 2018-09-29	rnd 4	type Standard	result 1
		Opponent Motsumi, P (Pholoso)				Opponent Motsumi, P (Pholoso)

#	Games	Start				End
1	3	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-05	rnd 3	type Standard	result 1	date 2018-01-06	rnd 5	type Standard	result 1
		Opponent Van Heerden, G (Gideon)				Opponent Brenkman, C (Christopher)
2	2	Tournament Chessnuts Youth Day Chess Tournament 2018				Tournament Chessnuts Youth Day Chess Tournament 2018
		date 2018-06-16	rnd 4	type Standard	result 1	date 2018-06-16	rnd 5	type Standard	result 1
		Opponent Eilers, J (Jonathan)				Opponent Nkosi, R (Rorisang)
3	1	Tournament Chessnuts Spring 2018				Tournament Chessnuts Spring 2018
		date 2018-09-29	rnd 4	type Standard	result 1	date 2018-09-29	rnd 4	type Standard	result 1
		Opponent Motsumi, P (Pholoso)				Opponent Motsumi, P (Pholoso)

No games found.

#	Games	Start				End

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	Raj ,T (Tejashavi)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Raj ,T (Tejashavi)	2	1221.1	796.1	2	1225.6	796.1	0	0	0	0	0	0
2	Van Zyl ,B (Benjamin)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Van Zyl ,B (Benjamin)	2	890.5	465.5	2	887.5	465.5	0	0	0	0	0	0
3	Meij ,A (Ariel)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Meij ,A (Ariel)	1	1167.5	742.5	1	1162.2	742.5	0	0	0	0	0	0
4	Wang ,H (Hanchen)	1	1	425	1	1	425	0	0	0	0	0	0
4	Wang ,H (Hanchen)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Naidoo ,Y (Yasthi)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Naidoo ,Y (Yasthi)	1	500	75	1	500	75	0	0	0	0	0	0
6	Motsumi ,P (Pholoso)	1	1	425	1	1	425	0	0	0	0	0	0
6	Motsumi ,P (Pholoso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Hijner ,WA (Wilhelm)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Hijner ,WA (Wilhelm)	1	594.6	169.6	1	594.6	169.6	0	0	0	0	0	0
8	Surendar ,S (Srijedh)	1	1	425	1	1	425	0	0	0	0	0	0
8	Surendar ,S (Srijedh)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Bhana ,M (Mallika)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Bhana ,M (Mallika)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	De Jager ,K (Karli)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	De Jager ,K (Karli)	1	500	75	1	500	75	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Stein, A (Aryeh)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms