Chess South Africa Ratings Database

PLAYER PAGE

Personal

Chobeng, J (Jo-Zell)

Chess SA id

2090327495

FIDE id

Date of birth

2009-02-08 (U18)

Gender

Female

Region

Frances Baard (NCF)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1195	1200	1191.9	1200
Raw rating	1137.6	1200	1098.4	1200
Weighted rating	1195	1200	1191.9	1200
Weighted performance	0	0	0	0
Floor	699	700	699	700
K-factor	40	40	40	40
Min/Max rating change allowed	181.2	165.8	191.6	165.8
Highest rating	1199 2025-09-06	1199 2025-09-06	1199 2025-09-06	1199 2025-09-06
Highest raw rating	1199 2025-09-06	1199 2025-09-06	1199 2025-09-06	1199 2025-09-06
Highest weighted rating	1195 2025-09-30	0 2025-09-06	1191.9 2025-09-30	0 2025-09-06
Highest weighted performance	0 2025-09-06	0 2025-09-06	0 2025-09-06	0 2025-09-06

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-4.8	0	-7.8	0
New rating	1190.2	1200	1184.1	1200
Analysis
Rating	1195	1200	1191.9	1200
Raw rating	1137.6	1200	1098.4	1200
Weighted rating	1195	1200	1191.9
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	699	700	699	700
Max/Min rating change allowed	181.2	165.8	191.6	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	1137.6	1200	1098.4	1200
New weighted rating	1190.2	1200	1184.1	1200
New weighted performance	0	0	0	0
Temp new rating	1190.2	1200	1184.1	1200
Temp new rating +/-	-4.8	0	-7.8	0
Final new rating +/-	-4.8	0	-7.8	0
New rating	1190.2	1200	1184.1	1200
New K-factor	40	36	40	36
New floor	699	700	699	700

Item	Main	Rapid
	0	0
	5	5
	0	0
	0	0
	0	0
	0	0
History	5	5

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	F
Age group	U18
Region	Frances Baard (NCF)
Province	Northern Cape (NC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U18	-1		-1		-1
U18 F	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U18	-1		-1		-1
U18 F	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U18	-1		-1		-1
U18 F	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U18	-1		-1		-1
U18 F	-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	5	0	0	-425	1189.6	764.6
Standard	0	0	0	0	0	0
Rapid	5	0	0	-425	1189.6	764.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	5	0	0	-425	1189.6	764.6
Standard	0	0	0	0	0	0
Rapid	5	0	0	-425	1189.6	764.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1137.6	1200	1098.4	1200
2025-09-01	1200	1200	1200	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	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	2025 Frances Baard Schools Chess Festival 0.1 (U17)	2025-08-30	2025-08-30	Rapid	Frances Baard (NCF)	5	5	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Frances Baard Schools Chess Festival 0.1 (U17)	2025-08-30	2025-08-30	Rapid	Frances Baard (NCF)	5	5	0	Yes	Analysis

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

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	Jooste ,R (Ruche)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Jooste ,R (Ruche)	1	1200	775	0	0	0	1	1200	775	0	0	0
2	Lehata ,E (Enrico)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Lehata ,E (Enrico)	1	1148.2	723.2	0	0	0	1	1200	723.2	0	0	0
3	Matthews ,H (Hayleen)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Matthews ,H (Hayleen)	1	1200	775	0	0	0	1	1200	775	0	0	0
4	Phetlho ,O (Oteng)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Phetlho ,O (Oteng)	1	1200	775	0	0	0	1	1200	775	0	0	0
5	Nkosi ,N (Ntokozo)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Nkosi ,N (Ntokozo)	1	1200	775	0	0	0	1	1200	775	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

Chobeng, J (Jo-Zell)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms