Chess South Africa Ratings Database

PLAYER PAGE

Personal

Israel, Y (Yishai)

Chess SA id

1170322515

FIDE id

Date of birth

2017-08-03 (U10)

Gender

Male

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

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1209.3	1245.7	1174.4	1200
Raw rating	1209.3	1245.7	1130.2	1200
Weighted rating	1200.8	1213.6	1174.4	1200
Weighted performance	0	0	0	0
Floor	709.3	745.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.6	155.4	183.2	165.8
Highest rating	1209.3 2025-09-30	1245.7 2025-09-30	1200 2025-07-01	1200 2025-07-01
Highest raw rating	1209.3 2025-09-30	1245.7 2025-09-30	1200 2025-07-01	1200 2025-07-01
Highest weighted rating	1199.9 2025-06-12	1203.5 2025-09-30	1200 2025-07-01	1200 2025-07-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-4.4	0
New rating	1209.3	1245.7	1170	1200
Analysis
Rating	1209.3	1245.7	1174.4	1200
Raw rating	1209.3	1245.7	1130.2	1200
Weighted rating	1200.8	1213.6	1174.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	709.3	745.7	700	700
Max/Min rating change allowed	163.6	155.4	183.2	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	1209.3	1245.7	1130.2	1200
New weighted rating	1201.5	1216.6	1170	1200
New weighted performance	0	0	0	0
Temp new rating	1209.3	1245.7	1170	1200
Temp new rating +/-	0	0	-4.4	0
Final new rating +/-	0	0	-4.4	0
New rating	1209.3	1245.7	1170	1200
New K-factor	36	36	36	36
New floor	709.3	745.7	700	700

Item	Main	Standard	Rapid
	0	0	0
	14	10	4
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	14	10	4

Games since
	Main 14	Standard 10		Rapid 4		Blitz 0
Gender	Male
Age group	U10
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	14	4	28.57	-182.1	1326	1143.8
Standard	10	4	40	-85	1331.2	1246.2
Rapid	4	0	0	-425	1313	888
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	4	28.57	-182.1	1326	1143.8
Standard	10	4	40	-85	1331.2	1246.2
Rapid	4	0	0	-425	1313	888
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1209.3	1245.7	1130.2	1200
2025-11-30	1209.3	1245.7	1130.2	1200
2025-11-01	1209.3	1245.7	1130.2	1200
2025-09-30	1209.3	1245.7	1130.2	1200
2025-09-01	1172.1	1199.7	1130.2	1200
2025-08-01	1199.8	1199.7	1200	1200
2025-07-01	1198.4	1198.1	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	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
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	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

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	GoForChess Junior Chess Championships 2025 (U10)	2025-09-14	2025-09-14	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	Rock n Roll Rapid 2025 (Pawns)	2025-08-24	2025-08-24	Rapid	Ekurhuleni (GE)	5	4	0	Yes	Analysis
3	JMC Helpmekaar 2025 (U10)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis

#	Games	Start				End
1	3	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 5	type Standard	result 1
		Opponent Stransky, E (Ethan)				Opponent Seedat, M (Muhammad)
2	1	Tournament JMC Helpmekaar 2025				Tournament JMC Helpmekaar 2025
		date 2025-06-01	rnd 2	type Standard	result 1	date 2025-06-01	rnd 2	type Standard	result 1
		Opponent Nobadina, K (Kwande)				Opponent Nobadina, K (Kwande)

#	Games	Start				End
1	3	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 5	type Standard	result 1
		Opponent Stransky, E (Ethan)				Opponent Seedat, M (Muhammad)
2	1	Tournament JMC Helpmekaar 2025				Tournament JMC Helpmekaar 2025
		date 2025-06-01	rnd 2	type Standard	result 1	date 2025-06-01	rnd 2	type Standard	result 1
		Opponent Nobadina, K (Kwande)				Opponent Nobadina, K (Kwande)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	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 5	type Standard	result 1
		Opponent Stransky, E (Ethan)				Opponent Seedat, M (Muhammad)
2	1	Tournament JMC Helpmekaar 2025				Tournament JMC Helpmekaar 2025
		date 2025-06-01	rnd 2	type Standard	result 1	date 2025-06-01	rnd 2	type Standard	result 1
		Opponent Nobadina, K (Kwande)				Opponent Nobadina, K (Kwande)

#	Games	Start				End
1	3	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 5	type Standard	result 1
		Opponent Stransky, E (Ethan)				Opponent Seedat, M (Muhammad)
2	1	Tournament JMC Helpmekaar 2025				Tournament JMC Helpmekaar 2025
		date 2025-06-01	rnd 2	type Standard	result 1	date 2025-06-01	rnd 2	type Standard	result 1
		Opponent Nobadina, K (Kwande)				Opponent Nobadina, K (Kwande)

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	Joubert ,Z (Zani)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Joubert ,Z (Zani)	1	1173.5	748.5	1	1163.8	748.5	0	0	0	0	0	0
2	Du Pisani ,M (Malcolm)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Du Pisani ,M (Malcolm)	1	1520.9	1095.9	1	1521.9	1095.9	0	0	0	0	0	0
3	Steyn ,K (Kahn)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Steyn ,K (Kahn)	1	1371.6	946.6	1	1358.9	946.6	0	0	0	0	0	0
4	Van Dalen ,L (Lenert)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Van Dalen ,L (Lenert)	1	1477	1052	1	1509.5	1052	0	0	0	0	0	0
5	Drake ,B (Benjamin)	1	1	425	1	1	425	0	0	0	0	0	0
5	Drake ,B (Benjamin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Kuchibhotla ,AKA (Achyuta Kartikeya Arjun)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Kuchibhotla ,AKA (Achyuta Kartikeya Arjun)	1	1629.1	1204.1	1	1661.3	1204.1	0	0	0	0	0	0
7	Stransky ,E (Ethan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Stransky ,E (Ethan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Seedat ,M (Muhammad)	1	1	425	1	1	425	0	0	0	0	0	0
8	Seedat ,M (Muhammad)	1	1339.7	1764.7	1	1334.8	1764.7	0	0	0	0	0	0
9	Nobadina ,K (Kwande)	1	1	425	1	1	425	0	0	0	0	0	0
9	Nobadina ,K (Kwande)	1	1199.9	1624.9	1	1199.9	1624.9	0	0	0	0	0	0
10	Tsironis ,N (Nicola Thomas)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Tsironis ,N (Nicola Thomas)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Israel, Y (Yishai)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms