Chess South Africa Ratings Database

PLAYER PAGE

Personal

Israel, Y (Yonatan)

Chess SA id

1140191590

FIDE id

Date of birth

2014-09-11 (U12)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1241.9

Item	Main	Standard	Rapid	Blitz
Rating	1209.1	1210	1200	1200
Raw rating	1209.1	1210	1200	1200
Weighted rating	1199.7	1199.7	1200	1200
Weighted performance	0	0	0	0
Floor	709.1	710	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.7	163.5	165.8	165.8
Highest rating	1209.1 2025-03-01	1210 2025-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1209.1 2025-03-01	1210 2025-03-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1209.1 2018-10-01	1210 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1203 2024-06-01	1203 2024-06-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1209.1	1210	1200	1200
Analysis
Rating	1209.1	1210	1200	1200
Raw rating	1209.1	1210	1200	1200
Weighted rating	1199.7	1199.7	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	709.1	710	700	700
Max/Min rating change allowed	163.7	163.5	165.8	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	1209.1	1210	1200	1200
New weighted rating	1201	1201.1	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1209.1	1210	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1209.1	1210	1200	1200
New K-factor	36	36	36	36
New floor	709.1	710	700	700

Item	Main	Standard
	0	0
	10	10
	10	10
	0	0
	0	0
	0	0
History	20	20

Games since
	Main 20	Standard 20		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	10	5.5	55	42.5	1200.1	1242.6
Standard	10	5.5	55	42.5	1200.1	1242.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	9.5	47.5	-21.2	1224.8	1203.5
Standard	20	9.5	47.5	-21.2	1224.8	1203.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1209.1	1210	1200	1200
2025-09-30	1209.1	1210	1200	1200
2025-09-01	1209.1	1210	1200	1200
2025-08-01	1209.1	1210	1200	1200
2025-07-01	1209.1	1210	1200	1200
2025-06-01	1209.1	1210	1200	1200
2025-05-01	1209.1	1210	1200	1200
2025-04-01	1209.1	1210	1200	1200
2025-03-01	1209.1	1210	1200	1200
2025-02-01	1191	1190.7	1200	1200
2025-01-01	1191	1190.7	1200	1200
2024-12-01	1191	1190.7	1200	1200
2024-11-01	1191	1190.7	1200	1200
2024-10-01	1191	1190.7	1200	1200
2024-09-01	1191	1190.7	1200	1200
2024-08-01	1191	1190.7	1200	1200
2024-07-01	1191	1190.7	1200	1200
2024-09-01	1164.4	1157.9	1200	1200
2024-05-01	1164.4	1157.9	1200	1200
2024-04-01	1164.4	1157.9	1200	1200
2024-03-01	1164.4	1157.9	1200	1200
2024-02-01	1164.4	1157.9	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	First Knights Juniors Chess Tournament 2025 (D)	2025-02-09	2025-02-09	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
2	JMC Kick Off 2025 (D)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	First Knights Juniors Chess Tournament 2025 (D)	2025-02-09	2025-02-09	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
2	JMC Kick Off 2025 (D)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	JMC Trinityhouse Little Falls 2024 (D)	2024-06-02	2024-06-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
4	JMC Kick Off Tournament 2024 (D)	2024-01-28	2024-01-28	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis

#	Games	Start				End
1	6	Tournament JMC Kick Off 2025				Tournament First Knights Juniors Chess Tournament 2025
		date 2025-02-02	rnd 3	type Standard	result 1	date 2025-02-09	rnd 3	type Standard	result 0.5
		Opponent Kutumela, B (Bokang)				Opponent Liebenberg, N (Nathan)
2	3	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC Trinityhouse Little Falls 2024
		date 2024-06-02	rnd 3	type Standard	result 1	date 2024-06-02	rnd 5	type Standard	result 1
		Opponent Mmethi, R (Reshoketswe)				Opponent Van Der Schyff, M (Mila-Ne)
3	1	Tournament JMC Kick Off Tournament 2024				Tournament JMC Kick Off Tournament 2024
		date 2024-01-28	rnd 3	type Standard	result 1	date 2024-01-28	rnd 3	type Standard	result 1
		Opponent Wang, A (Annabelle)				Opponent Wang, A (Annabelle)

#	Games	Start				End
1	6	Tournament JMC Kick Off 2025				Tournament First Knights Juniors Chess Tournament 2025
		date 2025-02-02	rnd 3	type Standard	result 1	date 2025-02-09	rnd 3	type Standard	result 0.5
		Opponent Kutumela, B (Bokang)				Opponent Liebenberg, N (Nathan)
2	3	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC Trinityhouse Little Falls 2024
		date 2024-06-02	rnd 3	type Standard	result 1	date 2024-06-02	rnd 5	type Standard	result 1
		Opponent Mmethi, R (Reshoketswe)				Opponent Van Der Schyff, M (Mila-Ne)
3	1	Tournament JMC Kick Off Tournament 2024				Tournament JMC Kick Off Tournament 2024
		date 2024-01-28	rnd 3	type Standard	result 1	date 2024-01-28	rnd 3	type Standard	result 1
		Opponent Wang, A (Annabelle)				Opponent Wang, A (Annabelle)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament JMC Kick Off 2025				Tournament First Knights Juniors Chess Tournament 2025
		date 2025-02-02	rnd 3	type Standard	result 1	date 2025-02-09	rnd 2	type Standard	result 1
		Opponent Kutumela, B (Bokang)				Opponent Mathibe, K (Koketso)
2	3	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC Trinityhouse Little Falls 2024
		date 2024-06-02	rnd 3	type Standard	result 1	date 2024-06-02	rnd 5	type Standard	result 1
		Opponent Mmethi, R (Reshoketswe)				Opponent Van Der Schyff, M (Mila-Ne)
3	1	Tournament JMC Kick Off Tournament 2024				Tournament JMC Kick Off Tournament 2024
		date 2024-01-28	rnd 3	type Standard	result 1	date 2024-01-28	rnd 3	type Standard	result 1
		Opponent Wang, A (Annabelle)				Opponent Wang, A (Annabelle)

#	Games	Start				End
1	5	Tournament JMC Kick Off 2025				Tournament First Knights Juniors Chess Tournament 2025
		date 2025-02-02	rnd 3	type Standard	result 1	date 2025-02-09	rnd 2	type Standard	result 1
		Opponent Kutumela, B (Bokang)				Opponent Mathibe, K (Koketso)
2	3	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC Trinityhouse Little Falls 2024
		date 2024-06-02	rnd 3	type Standard	result 1	date 2024-06-02	rnd 5	type Standard	result 1
		Opponent Mmethi, R (Reshoketswe)				Opponent Van Der Schyff, M (Mila-Ne)
3	1	Tournament JMC Kick Off Tournament 2024				Tournament JMC Kick Off Tournament 2024
		date 2024-01-28	rnd 3	type Standard	result 1	date 2024-01-28	rnd 3	type Standard	result 1
		Opponent Wang, A (Annabelle)				Opponent Wang, A (Annabelle)

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	Liebenberg ,N (Nathan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Liebenberg ,N (Nathan)	1	1133.7	1133.7	1	1135.2	1133.7	0	0	0	0	0	0
2	Westoby ,A (Adam)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Westoby ,A (Adam)	1	1382.7	957.7	1	1389.7	957.7	0	0	0	0	0	0
3	Mmethi ,R (Reshoketswe)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mmethi ,R (Reshoketswe)	1	1230.8	1655.8	1	1229.3	1655.8	0	0	0	0	0	0
4	Jamela ,F (Future)	1	1	425	1	1	425	0	0	0	0	0	0
4	Jamela ,F (Future)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Lipshitz ,B (Blake)	1	1	425	1	1	425	0	0	0	0	0	0
5	Lipshitz ,B (Blake)	1	1263.7	1688.7	1	1230.8	1688.7	0	0	0	0	0	0
6	Block ,S (Shlomo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Block ,S (Shlomo)	1	1308.3	883.3	1	1332	883.3	0	0	0	0	0	0
7	Moletsane ,O (Oabile)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Moletsane ,O (Oabile)	1	1244.7	819.7	1	1254.6	819.7	0	0	0	0	0	0
8	Kutumela ,B (Bokang)	1	1	425	1	1	425	0	0	0	0	0	0
8	Kutumela ,B (Bokang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Subroyen ,J (Jeevesh)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Subroyen ,J (Jeevesh)	1	1236.6	811.6	1	1212.6	811.6	0	0	0	0	0	0
10	Molaoli ,A (Anele)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Molaoli ,A (Anele)	1	1210.9	785.9	1	1207.6	785.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Israel, Y (Yonatan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms