Chess South Africa Ratings Database

PLAYER PAGE

Personal

Barber, J (Justin)

Chess SA id

107069579

FIDE id

Date of birth

2007-03-11 (U20)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	652	677.6	521.6	521.6
Raw rating	652	677.6	521.6	521.6
Weighted rating	652	677.6	521.6	521.6
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	362	349	435.9	435.9
Highest rating	1420.7 2018-08-01	1420.7 2018-08-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	652 2024-02-01	677.6 2024-02-01	521.6 2024-02-01	521.6 2024-02-01
Highest weighted rating	652 2024-11-01	677.6 2024-11-01	521.6 2024-11-01	521.6 2024-11-01
Highest weighted performance	1420.7 2018-08-01	1420.7 2018-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	652	677.6	521.6	521.6
Analysis
Rating	652	677.6	521.6	521.6
Raw rating	652	677.6	521.6	521.6
Weighted rating	652	677.6	521.6
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	362	349	435.9	435.9
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	652	677.6	521.6	521.6
New weighted rating	652	677.6	521.6	521.6
New weighted performance	0	0	0	0
Temp new rating	652	677.6	521.6	521.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	652	677.6	521.6	521.6
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	133	100	33

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	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	9	4	44.44	-47.2	1172.9	1125.7
Standard	9	4	44.44	-47.2	1172.9	1125.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	652	677.6	521.6	521.6
2025-09-01	652	677.6	521.6	521.6
2025-08-01	652	677.6	521.6	521.6
2025-07-01	652	677.6	521.6	521.6
2025-06-01	652	677.6	521.6	521.6
2025-05-01	652	677.6	521.6	521.6
2025-04-01	652	677.6	521.6	521.6
2025-03-01	652	677.6	521.6	521.6
2025-02-01	652	677.6	521.6	521.6
2025-01-01	652	677.6	521.6	521.6
2024-12-01	652	677.6	521.6	521.6
2024-11-01	652	677.6	521.6	521.6
2024-10-01	652	677.6	521.6	521.6
2024-09-01	652	677.6	521.6	521.6
2024-08-01	652	677.6	521.6	521.6
2024-07-01	652	677.6	521.6	521.6
2024-06-01	652	677.6	521.6	521.6
2024-08-01	652	677.6	521.6	521.6
2024-04-01	652	677.6	521.6	521.6
2024-03-01	652	677.6	521.6	521.6
2024-02-01	652	677.6	521.6	521.6
2024-01-01	652	677.6	521.6	521.6
2023-12-01	652	677.6	521.6	521.6
2023-11-01	652	677.6	521.6	521.6

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	2019 Gauteng School League Finals (U13 Open)	2019-08-23	2019-08-23	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	D5 Primary Schools Teams 2018 (U11)	2018-08-17	2018-08-18	Standard	Ekurhuleni (GE)	6	4	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament D5 Primary Schools Teams 2018				Tournament D5 Primary Schools Teams 2018
		date 2018-08-17	rnd 1	type Standard	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Linda, N (Ntutuko)				Opponent Nel, Z (Zander)
2	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 5	type Standard	result 1	date 2019-08-23	rnd 5	type Standard	result 1
		Opponent Cilliers, R (Ruben)				Opponent Cilliers, R (Ruben)

#	Games	Start				End
1	3	Tournament D5 Primary Schools Teams 2018				Tournament D5 Primary Schools Teams 2018
		date 2018-08-17	rnd 1	type Standard	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Linda, N (Ntutuko)				Opponent Nel, Z (Zander)
2	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 5	type Standard	result 1	date 2019-08-23	rnd 5	type Standard	result 1
		Opponent Cilliers, R (Ruben)				Opponent Cilliers, R (Ruben)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament D5 Primary Schools Teams 2018				Tournament D5 Primary Schools Teams 2018
		date 2018-08-17	rnd 1	type Standard	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Linda, N (Ntutuko)				Opponent Nel, Z (Zander)
2	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 5	type Standard	result 1	date 2019-08-23	rnd 5	type Standard	result 1
		Opponent Cilliers, R (Ruben)				Opponent Cilliers, R (Ruben)

#	Games	Start				End
1	3	Tournament D5 Primary Schools Teams 2018				Tournament D5 Primary Schools Teams 2018
		date 2018-08-17	rnd 1	type Standard	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Linda, N (Ntutuko)				Opponent Nel, Z (Zander)
2	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 5	type Standard	result 1	date 2019-08-23	rnd 5	type Standard	result 1
		Opponent Cilliers, R (Ruben)				Opponent Cilliers, R (Ruben)

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	Smith ,N (Nathan)	1	1	425	1	1	425	0	0	0	0	0	0
1	Smith ,N (Nathan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Seokola ,L (Legogang)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Seokola ,L (Legogang)	1	1199.7	774.7	1	1199.6	774.7	0	0	0	0	0	0
3	Moso ,M (Malachi)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Moso ,M (Malachi)	1	1210.7	785.7	1	1214.8	785.7	0	0	0	0	0	0
4	Nel ,Z (Zander)	1	1	425	1	1	425	0	0	0	0	0	0
4	Nel ,Z (Zander)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Modisane ,R (Rearabilwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Modisane ,R (Rearabilwe)	1	1128.2	703.2	1	1136.6	703.2	0	0	0	0	0	0
6	Cilliers ,R (Ruben)	1	1	425	1	1	425	0	0	0	0	0	0
6	Cilliers ,R (Ruben)	1	1159.2	1584.2	1	1146.8	1584.2	0	0	0	0	0	0
7	Roets ,M (Morne)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Roets ,M (Morne)	1	1058.7	633.7	1	1056.7	633.7	0	0	0	0	0	0
8	Marais ,A (Arne)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Marais ,A (Arne)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Linda ,N (Ntutuko)	1	1	425	1	1	425	0	0	0	0	0	0
9	Linda ,N (Ntutuko)	1	1200	1625	1	1200	1625	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

Barber, J (Justin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms