Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mahlangu, J (Jabulile)

Chess SA id

2130320987

FIDE id

Date of birth

2013-05-29 (U14)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1192.6	1191.1	1200	1200
Raw rating	1167.7	1161.3	1200	1200
Weighted rating	1192.6	1191.1	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	40	40	36	36
Min/Max rating change allowed	173.6	175.2	165.8	165.8
Highest rating	1200 2025-08-01	1200 2025-08-01	1200 2025-06-01	1200 2025-06-01
Highest raw rating	1200 2025-08-01	1200 2025-08-01	1200 2025-06-01	1200 2025-06-01
Highest weighted rating	1200 2025-08-01	1200 2025-08-01	1200 2025-06-01	1200 2025-06-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.3	-2.7	0	0
New rating	1190.3	1188.4	1200	1200
Analysis
Rating	1192.6	1191.1	1200	1200
Raw rating	1167.7	1161.3	1200	1200
Weighted rating	1192.6	1191.1	1200
Weighted performance	0	0	0
K-factor	40	40	36	36
Floor	700	700	700	700
Max/Min rating change allowed	173.6	175.2	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	1167.7	1161.3	1200	1200
New weighted rating	1190.3	1188.4	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1190.3	1188.4	1200	1200
Temp new rating +/-	-2.3	-2.7	0	0
Final new rating +/-	-2.3	-2.7	0	0
New rating	1190.3	1188.4	1200	1200
New K-factor	40	40	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	9	9
	0	0
	0	0
	0	0
	0	0
History	9	9

Games since
	Main 9	Standard 9		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	9	3.5	38.89	-94.4	1198.5	1104.1
Standard	9	3.5	38.89	-94.4	1198.5	1104.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	9	3.5	38.89	-94.4	1198.5	1104.1
Standard	9	3.5	38.89	-94.4	1198.5	1104.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1167.7	1161.3	1200	1200
2025-09-30	1167.7	1161.3	1200	1200
2025-09-01	1167.7	1161.3	1200	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1199.9	1200	1200
2025-06-01	1199.8	1199.7	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
2024-09-01	1200	1200	1200	1200
2024-05-01	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

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 Gauteng North School District CLOSED League Finals - D1 (U13 Open)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
2	2025 Gauteng North School Individual Championships D1 (U13 Girls)	2025-05-17	2025-05-17	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng North School District CLOSED League Finals - D1 (U13 Open)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
2	2025 Gauteng North School Individual Championships D1 (U13 Girls)	2025-05-17	2025-05-17	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	1	Tournament 2025 Gauteng North School District CLOSED League Finals - D1				Tournament 2025 Gauteng North School District CLOSED League Finals - D1
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Nkabinde, S (Sphesihle)				Opponent Nkabinde, S (Sphesihle)
2	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Phakathi, T (Thandeka)				Opponent Phakathi, T (Thandeka)
3	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 3	type Standard	result 0.5	date 2025-05-17	rnd 3	type Standard	result 0.5
		Opponent Ngobeni, N (Nyiko)				Opponent Ngobeni, N (Nyiko)

#	Games	Start				End
1	1	Tournament 2025 Gauteng North School District CLOSED League Finals - D1				Tournament 2025 Gauteng North School District CLOSED League Finals - D1
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Nkabinde, S (Sphesihle)				Opponent Nkabinde, S (Sphesihle)
2	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Phakathi, T (Thandeka)				Opponent Phakathi, T (Thandeka)
3	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 3	type Standard	result 0.5	date 2025-05-17	rnd 3	type Standard	result 0.5
		Opponent Ngobeni, N (Nyiko)				Opponent Ngobeni, N (Nyiko)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2025 Gauteng North School District CLOSED League Finals - D1				Tournament 2025 Gauteng North School District CLOSED League Finals - D1
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Nkabinde, S (Sphesihle)				Opponent Nkabinde, S (Sphesihle)
2	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Phakathi, T (Thandeka)				Opponent Phakathi, T (Thandeka)
3	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Du Rand, L (Lea)				Opponent Du Rand, L (Lea)

#	Games	Start				End
1	1	Tournament 2025 Gauteng North School District CLOSED League Finals - D1				Tournament 2025 Gauteng North School District CLOSED League Finals - D1
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Nkabinde, S (Sphesihle)				Opponent Nkabinde, S (Sphesihle)
2	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Phakathi, T (Thandeka)				Opponent Phakathi, T (Thandeka)
3	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Du Rand, L (Lea)				Opponent Du Rand, L (Lea)

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	Phakathi ,T (Thandeka)	1	1	425	1	1	425	0	0	0	0	0	0
1	Phakathi ,T (Thandeka)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Nkosi ,S (Sfiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Nkosi ,S (Sfiso)	1	1232.2	807.2	1	1239.5	807.2	0	0	0	0	0	0
3	Mkhwanazi ,M (Minenhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Mkhwanazi ,M (Minenhle)	1	1205.6	780.6	1	1205.5	780.6	0	0	0	0	0	0
4	Mnisi ,S (Sandile)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mnisi ,S (Sandile)	1	1191.5	766.5	1	1189.9	766.5	0	0	0	0	0	0
5	Ngobeni ,N (Nyiko)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Ngobeni ,N (Nyiko)	1	1192.1	1192.1	1	1189.4	1192.1	0	0	0	0	0	0
6	Masuku ,M (Mosa)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Masuku ,M (Mosa)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Nkabinde ,S (Sphesihle)	1	1	425	1	1	425	0	0	0	0	0	0
7	Nkabinde ,S (Sphesihle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Du Rand ,L (Lea)	1	1	425	1	1	425	0	0	0	0	0	0
8	Du Rand ,L (Lea)	1	1226	1651	1	1218.8	1651	0	0	0	0	0	0
9	Bhengu ,Z (Ziyanda)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Bhengu ,Z (Ziyanda)	1	1139.5	714.5	1	1128.2	714.5	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

Mahlangu, J (Jabulile)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms