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

11.3

Junior GPX Points

1151.3

Item	Main	Standard	Rapid	Blitz
Rating	1209.3	1245.7	1189.1	1200
Raw rating	1209.3	1245.7	1130.2	1200
Weighted rating	1198.5	1203.5	1189.1	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	-5.1	0
New rating	1209.3	1245.7	1183.9	1200
Analysis
Rating	1209.3	1245.7	1189.1	1200
Raw rating	1209.3	1245.7	1130.2	1200
Weighted rating	1198.5	1203.5	1189.1
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	1199.3	1207	1183.9	1200
New weighted performance	0	0	0	0
Temp new rating	1209.3	1245.7	1183.9	1200
Temp new rating +/-	0	0	-5.1	0
Final new rating +/-	0	0	-5.1	0
New rating	1209.3	1245.7	1183.9	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
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
2024-08-01	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	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

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

Notifications

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