Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ruben, J (John)

Chess SA id

2040154681

FIDE id

Date of birth

2004-11-06 (Adult)

Gender

Female

Region

OR Tambo (EOR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-05-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1231.2	1200	1269.5	1200
Raw rating	1231.2	1200	1269.5	1200
Weighted rating	1231.2	1200	1269.5	1200
Weighted performance	0	0	0	0
Floor	731.2	700	769.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.6	165.8	150.2	165.8
Highest rating	1397.7 2023-05-01	1200 2018-10-01	1436.4 2023-05-01	1200 2018-10-01
Highest raw rating	1231.2 2024-02-01	1200 2024-02-01	1269.5 2024-02-01	1200 2024-02-01
Highest weighted rating	1231.2 2025-04-01	1200 2018-10-01	1269.5 2025-04-01	1200 2018-10-01
Highest weighted performance	1397.7 2023-05-01	1200 2024-02-01	1436.4 2023-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1231.2	1200	1269.5	1200
Analysis
Rating	1231.2	1200	1269.5	1200
Raw rating	1231.2	1200	1269.5	1200
Weighted rating	1231.2	1200	1269.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	731.2	700	769.5	700
Max/Min rating change allowed	158.6	165.8	150.2	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	1231.2	1200	1269.5	1200
New weighted rating	1231.2	1200	1269.5	1200
New weighted performance	0	0	0	0
Temp new rating	1231.2	1200	1269.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1231.2	1200	1269.5	1200
New K-factor	36	36	36	36
New floor	731.2	700	769.5	700

Item	Main	Rapid
	0	0
	0	0
	0	0
	7	7
	0	0
	0	0
History	7	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	OR Tambo (EOR)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	7	5	71.43	182.1	1283.1	1465.2
Standard	0	0	0	0	0	0
Rapid	7	5	71.43	182.1	1283.1	1465.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1231.2	1200	1269.5	1200
2025-09-01	1231.2	1200	1269.5	1200
2025-08-01	1231.2	1200	1269.5	1200
2025-07-01	1231.2	1200	1269.5	1200
2025-06-01	1231.2	1200	1269.5	1200
2025-05-01	1231.2	1200	1269.5	1200
2025-04-01	1231.2	1200	1269.5	1200
2025-03-01	1231.2	1200	1269.5	1200
2025-02-01	1231.2	1200	1269.5	1200
2025-01-01	1231.2	1200	1269.5	1200
2024-12-01	1231.2	1200	1269.5	1200
2024-11-01	1231.2	1200	1269.5	1200
2024-10-01	1231.2	1200	1269.5	1200
2024-09-01	1231.2	1200	1269.5	1200
2024-08-01	1231.2	1200	1269.5	1200
2024-07-01	1231.2	1200	1269.5	1200
2024-06-01	1231.2	1200	1269.5	1200
2024-08-01	1231.2	1200	1269.5	1200
2024-04-01	1231.2	1200	1269.5	1200
2024-03-01	1231.2	1200	1269.5	1200
2024-02-01	1231.2	1200	1269.5	1200
2024-01-01	1231.2	1200	1269.5	1200
2023-12-01	1231.2	1200	1269.5	1200
2023-11-01	1231.2	1200	1269.5	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	WSU Chess Club 2023 (Preliminary Open)	2023-05-13	2023-05-13	Rapid	Amathole (EAL)	7	7	5	Yes	Analysis

#	Games	Start				End
1	3	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 1	type Rapid	result 1	date 2023-05-13	rnd 3	type Rapid	result 1
		Opponent Buhlonyiwe, A (Abongile)				Opponent Egbichi, IM (Ifeanti)
2	1	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 7	type Rapid	result 1	date 2023-05-13	rnd 7	type Rapid	result 1
		Opponent Madikizela, S (Siyambonga)				Opponent Madikizela, S (Siyambonga)
3	1	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 5	type Rapid	result 1	date 2023-05-13	rnd 5	type Rapid	result 1
		Opponent Mtumtum, T (Thobile)				Opponent Mtumtum, T (Thobile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 1	type Rapid	result 1	date 2023-05-13	rnd 3	type Rapid	result 1
		Opponent Buhlonyiwe, A (Abongile)				Opponent Egbichi, IM (Ifeanti)
2	1	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 7	type Rapid	result 1	date 2023-05-13	rnd 7	type Rapid	result 1
		Opponent Madikizela, S (Siyambonga)				Opponent Madikizela, S (Siyambonga)
3	1	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 5	type Rapid	result 1	date 2023-05-13	rnd 5	type Rapid	result 1
		Opponent Mtumtum, T (Thobile)				Opponent Mtumtum, T (Thobile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 1	type Rapid	result 1	date 2023-05-13	rnd 3	type Rapid	result 1
		Opponent Buhlonyiwe, A (Abongile)				Opponent Egbichi, IM (Ifeanti)
2	1	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 7	type Rapid	result 1	date 2023-05-13	rnd 7	type Rapid	result 1
		Opponent Madikizela, S (Siyambonga)				Opponent Madikizela, S (Siyambonga)
3	1	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 5	type Rapid	result 1	date 2023-05-13	rnd 5	type Rapid	result 1
		Opponent Mtumtum, T (Thobile)				Opponent Mtumtum, T (Thobile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 1	type Rapid	result 1	date 2023-05-13	rnd 3	type Rapid	result 1
		Opponent Buhlonyiwe, A (Abongile)				Opponent Egbichi, IM (Ifeanti)
2	1	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 7	type Rapid	result 1	date 2023-05-13	rnd 7	type Rapid	result 1
		Opponent Madikizela, S (Siyambonga)				Opponent Madikizela, S (Siyambonga)
3	1	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 5	type Rapid	result 1	date 2023-05-13	rnd 5	type Rapid	result 1
		Opponent Mtumtum, T (Thobile)				Opponent Mtumtum, T (Thobile)

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	Mtumtum ,T (Thobile)	1	1	425	0	0	0	1	1	425	0	0	0
1	Mtumtum ,T (Thobile)	1	1314.7	1739.7	0	0	0	1	1217.2	1739.7	0	0	0
2	Madikizela ,S (Siyambonga)	1	1	425	0	0	0	1	1	425	0	0	0
2	Madikizela ,S (Siyambonga)	1	1233.4	1658.4	0	0	0	1	1215.6	1658.4	0	0	0
3	Chidziwa ,L (Liberty)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Chidziwa ,L (Liberty)	1	1342.9	917.9	0	0	0	1	1261.6	917.9	0	0	0
4	Buhlonyiwe ,A (Abongile)	1	1	425	0	0	0	1	1	425	0	0	0
4	Buhlonyiwe ,A (Abongile)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
5	Egbichi ,IM (Ifeanti Moses)	1	1	425	0	0	0	1	1	425	0	0	0
5	Egbichi ,IM (Ifeanti Moses)	1	1404	1829	0	0	0	1	1404	1829	0	0	0
6	Mginindo ,L (Lutho)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Mginindo ,L (Lutho)	1	1311.5	886.5	0	0	0	1	1240	886.5	0	0	0
7	Vundle ,M (Mlandeli)	1	1	425	0	0	0	1	1	425	0	0	0
7	Vundle ,M (Mlandeli)	1	1175	1600	0	0	0	1	1200	1600	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Ruben, J (John)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms