Chess South Africa Ratings Database

PLAYER PAGE

Personal

Maswanganyi, J (Justin)

Chess SA id

1100311843

FIDE id

Date of birth

2010-03-15 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

17.5

Junior GPX Points

1173.9

Item	Main	Standard	Rapid	Blitz
Rating	1240	1246.2	1200	1200
Raw rating	1222.3	1217.3	1200	1200
Weighted rating	1240	1246.2	1200	1200
Weighted performance	1145.6	0	0	0
Floor	782.7	798.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.6	161.8	165.8	165.8
Highest rating	1386.2 2024-10-01	1386 2024-10-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1282.7 2025-08-01	1298.3 2025-08-01	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1240.4 2025-09-30	1247.3 2025-09-30	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1386.2 2024-10-01	1386 2024-10-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.4	-1.2	0	0
New rating	1239.6	1245.1	1200	1200
Analysis
Rating	1240	1246.2	1200	1200
Raw rating	1222.3	1217.3	1200	1200
Weighted rating	1240	1246.2	1200
Weighted performance	1145.6	0	0
K-factor	36	36	36	36
Floor	782.7	798.3	700	700
Max/Min rating change allowed	160.6	161.8	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	1222.3	1217.3	1200	1200
New weighted rating	1239.6	1245.1	1200	1200
New weighted performance	1138.7	0	0	0
Temp new rating	1239.6	1245.1	1200	1200
Temp new rating +/-	-0.4	-1.2	0	0
Final new rating +/-	-0.4	-1.2	0	0
New rating	1239.6	1245.1	1200	1200
New K-factor	36	36	36	36
New floor	782.7	798.3	700	700

Item	Main	Standard	Rapid
	0	0	0
	20	15	5
	6	6	0
	0	0	0
	0	0	0
	0	0	0
History	26	21	5

Games since
	Main 26	Standard 21		Rapid 5		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	20	8	40	-85	1317.6	1232.6
Standard	15	6	40	-85	1310.5	1225.5
Rapid	5	2	40	-85	1339.2	1254.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	26	12	46.15	-32.7	1301.9	1269.2
Standard	21	10	47.62	-20.2	1293	1272.7
Rapid	5	2	40	-85	1339.2	1254.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1222.3	1217.3	1200	1200
2025-09-30	1263.5	1268.1	1200	1200
2025-09-01	1282.7	1298.3	1200	1200
2025-08-01	1282.7	1298.3	1200	1200
2025-07-01	1245	1253.2	1200	1200
2025-06-01	1245	1253.2	1200	1200
2025-05-01	1245	1253.2	1199.7	1200
2025-04-01	1244.8	1253.2	1200	1200
2025-03-01	1244.8	1253.2	1200	1200
2025-02-01	1244.8	1253.2	1200	1200
2025-01-01	1244.8	1253.2	1200	1200
2024-12-01	1244.8	1253.2	1200	1200
2024-11-01	1244.8	1253.2	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 Schools Provincial Individual Chess Championship (U15 Boys)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
2	St Peters College Sports & Cultural Festival 2025	2025-09-19	2025-09-20	Standard	Johannesburg Metro (GJM)	6	6	2	Yes	Analysis
3	JMC - Trinity Randpark Ridge 2025 (D)	2025-07-26	2025-07-26	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
4	Chess Molecules Open Tournament 2025 (A)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Schools Provincial Individual Chess Championship (U15 Boys)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
2	St Peters College Sports & Cultural Festival 2025	2025-09-19	2025-09-20	Standard	Johannesburg Metro (GJM)	6	6	2	Yes	Analysis
3	JMC - Trinity Randpark Ridge 2025 (D)	2025-07-26	2025-07-26	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
4	Chess Molecules Open Tournament 2025 (A)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
5	JCC St Peters Sports & Cultural Festival 2024	2024-09-20	2024-09-21	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis

#	Games	Start				End
1	4	Tournament JCC St Peters Sports & Cultural Festival 2024				Tournament JCC St Peters Sports & Cultural Festival 2024
		date 2024-09-20	rnd 2	type Standard	result 1	date 2024-09-21	rnd 5	type Standard	result 1
		Opponent Tandi, J (Jemima)				Opponent Van Tonder, L (Liam)
2	3	Tournament JMC - Trinity Randpark Ridge 2025				Tournament St Peters College Sports & Cultural Festival 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-09-19	rnd 1	type Standard	result 1
		Opponent Van Zijl, J (Joane)				Opponent Gwena, F (Faith)
3	2	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC - Trinity Randpark Ridge 2025
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Ledwaba, T (Thoriso)				Opponent Samsunder, A (Aryan)

#	Games	Start				End
1	4	Tournament JCC St Peters Sports & Cultural Festival 2024				Tournament JCC St Peters Sports & Cultural Festival 2024
		date 2024-09-20	rnd 2	type Standard	result 1	date 2024-09-21	rnd 5	type Standard	result 1
		Opponent Tandi, J (Jemima)				Opponent Van Tonder, L (Liam)
2	2	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC - Trinity Randpark Ridge 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Van Zijl, J (Joane)				Opponent Vig, H (Himansh)
3	2	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC - Trinity Randpark Ridge 2025
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Ledwaba, T (Thoriso)				Opponent Samsunder, A (Aryan)

#	Games	Start				End
1	1	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 4	type Rapid	result 1	date 2025-04-19	rnd 4	type Rapid	result 1
		Opponent Shelembe, B (Bongani)				Opponent Shelembe, B (Bongani)
2	1	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 2	type Rapid	result 1	date 2025-04-19	rnd 2	type Rapid	result 1
		Opponent Ncube, D (Denzel)				Opponent Ncube, D (Denzel)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament JCC St Peters Sports & Cultural Festival 2024				Tournament JCC St Peters Sports & Cultural Festival 2024
		date 2024-09-20	rnd 2	type Standard	result 1	date 2024-09-21	rnd 5	type Standard	result 1
		Opponent Tandi, J (Jemima)				Opponent Van Tonder, L (Liam)
2	2	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC - Trinity Randpark Ridge 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Van Zijl, J (Joane)				Opponent Vig, H (Himansh)
3	2	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC - Trinity Randpark Ridge 2025
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Ledwaba, T (Thoriso)				Opponent Samsunder, A (Aryan)

#	Games	Start				End
1	4	Tournament JCC St Peters Sports & Cultural Festival 2024				Tournament JCC St Peters Sports & Cultural Festival 2024
		date 2024-09-20	rnd 2	type Standard	result 1	date 2024-09-21	rnd 5	type Standard	result 1
		Opponent Tandi, J (Jemima)				Opponent Van Tonder, L (Liam)
2	2	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC - Trinity Randpark Ridge 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Van Zijl, J (Joane)				Opponent Vig, H (Himansh)
3	2	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC - Trinity Randpark Ridge 2025
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Ledwaba, T (Thoriso)				Opponent Samsunder, A (Aryan)

#	Games	Start				End
1	1	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 4	type Rapid	result 1	date 2025-04-19	rnd 4	type Rapid	result 1
		Opponent Shelembe, B (Bongani)				Opponent Shelembe, B (Bongani)
2	1	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 2	type Rapid	result 1	date 2025-04-19	rnd 2	type Rapid	result 1
		Opponent Ncube, D (Denzel)				Opponent Ncube, D (Denzel)

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	Esterhuizen ,JL (Janco)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Esterhuizen ,JL (Janco)	1	1446	1021	1	1448.4	1021	0	0	0	0	0	0
2	Shalala ,D (Daniel John)	1	1	425	1	1	425	0	0	0	0	0	0
2	Shalala ,D (Daniel John)	1	1280.7	1705.7	1	1282.2	1705.7	0	0	0	0	0	0
3	Van Zijl ,J (Joane)	1	1	425	1	1	425	0	0	0	0	0	0
3	Van Zijl ,J (Joane)	1	1188	1613	1	1191	1613	0	0	0	0	0	0
4	Read ,J (Jason)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Read ,J (Jason)	1	1197.3	772.3	1	1196.4	772.3	0	0	0	0	0	0
5	Vig ,H (Himansh)	1	1	425	1	1	425	0	0	0	0	0	0
5	Vig ,H (Himansh)	1	1199.6	1624.6	1	1199.6	1624.6	0	0	0	0	0	0
6	Mashapa ,K (Kgotso)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mashapa ,K (Kgotso)	1	1583.8	1158.8	1	1563.8	1158.8	0	0	0	0	0	0
7	Mphekgwane ,P (Precious)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mphekgwane ,P (Precious)	1	1281.4	856.4	1	1234.1	856.4	0	0	0	0	0	0
8	Samsunder ,A (Aryan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Samsunder ,A (Aryan)	1	1149.4	1574.4	1	1170	1574.4	0	0	0	0	0	0
9	Van Tonder ,L (Liam)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Tonder ,L (Liam)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Randolph ,S (Soraya)	1	1	425	1	1	425	0	0	0	0	0	0
10	Randolph ,S (Soraya)	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

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PLAYER PAGE

Personal

Maswanganyi, 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