Chess South Africa Ratings Database

PLAYER PAGE

Personal

Israel, Y (Yonatan)

Chess SA id

1140191590

FIDE id

Date of birth

2014-09-11 (U14)

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

Item	Main	Standard	Rapid	Blitz
Rating	1209.1	1210	1200	1200
Raw rating	1209.1	1210	1200	1200
Weighted rating	1202.3	1202.5	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	1202.3	1202.5	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	1203.5	1203.9	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
2026-01-01	1209.1	1210	1200	1200
2025-11-30	1209.1	1210	1200	1200
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
2024-11-01	1191	1190.7	1200	1200
2024-07-01	1191	1190.7	1200	1200
2024-06-01	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

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	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

Tournaments

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Statistics

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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