Chess South Africa Ratings Database

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Personal

Ngwangwa, N (Nonhlanhla)

Chess SA id

2100145853

FIDE id

Date of birth

2010-11-25 (U16)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

WRM

Chess SA registered

Yes

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1428

Item	Main	Standard	Rapid	Blitz
Rating	1561.6	1574.3	1262.7	1200
Raw rating	1536.3	1548.1	1262.7	1200
Weighted rating	1452.2	1461	1203.2	1200
Weighted performance	1561.6	1574.3	1152.5	0
Floor	1036.3	1048.1	773.4	700
K-factor	32	32	36	36
Min/Max rating change allowed	102.7	101	151.6	165.8
Highest rating	1614.5 2023-03-01	1614.7 2023-03-01	1326.2 2023-12-01	1200 2018-10-01
Highest raw rating	1536.3 2025-11-01	1548.1 2025-11-01	1273.4 2024-01-01	1200 2024-03-01
Highest weighted rating	1452.2 2025-11-01	1461 2025-11-01	1273.4 2024-02-01	1200 2018-10-01
Highest weighted performance	1614.5 2023-03-01	1614.7 2023-03-01	1326.2 2023-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-9.3	-9.5	0	0
New rating	1552.3	1564.9	1262.7	1200
Analysis
Rating	1561.6	1574.3	1262.7	1200
Raw rating	1536.3	1548.1	1262.7	1200
Weighted rating	1452.2	1461	1203.2
Weighted performance	1561.6	1574.3	1152.5
K-factor	32	32	36	36
Floor	1036.3	1048.1	773.4	700
Max/Min rating change allowed	102.7	101	151.6	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	1536.3	1548.1	1262.7	1200
New weighted rating	1461.1	1470.1	1207.8	1200
New weighted performance	1552.3	1564.9	1145.1	0
Temp new rating	1552.3	1564.9	1262.7	1200
Temp new rating +/-	-9.3	-9.5	0	0
Final new rating +/-	-9.3	-9.5	0	0
New rating	1552.3	1564.9	1262.7	1200
New K-factor	32	32	36	36
New floor	1036.3	1048.1	773.4	700

Item	Main	Standard	Rapid
	0	0	0
	53	43	10
	66	56	10
	44	29	15
	5	5	0
	0	0	0
History	168	133	35

Games since
	Main 124	Standard 99		Rapid 25		Blitz 0
Gender	Female
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	865		316		111
Female	82		33		12
U16	99		36		14
U16 Female	16		8		3
Standard
	RSA		Province		Region
Overall	744		288		98
Female	73		33		12
U16	88		33		13
U16 Female	14		7		3
Rapid
	RSA		Province		Region
Overall	1278		229		99
Female	228		40		6
U16	196		25		12
U16 Female	39		8		2
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	53	32	60.38	88.2	1412.4	1500.7
Standard	43	25.5	59.3	79.1	1439.2	1518.3
Rapid	10	6.5	65	127.5	1297.3	1424.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	168	100.5	59.82	83.5	1353.1	1436.6
Standard	133	81	60.9	92.7	1373	1465.7
Rapid	35	19.5	55.71	48.6	1277.6	1326.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1536.3	1548.1	1262.7	1200
2025-09-30	1511.2	1520.9	1207.2	1200
2025-09-01	1511.2	1520.9	1207.2	1200
2025-08-01	1472	1480.1	1207.2	1200
2025-07-01	1428.8	1437.9	1207.2	1200
2025-06-01	1432.9	1446.1	1207.2	1200
2025-05-01	1432.9	1446.1	1207.2	1200
2025-04-01	1475.6	1477	1197.6	1200
2025-03-01	1457.3	1452.7	1197.6	1200
2025-02-01	1474.7	1474.2	1196.9	1200
2025-01-01	1474.7	1474.2	1181.2	1200
2024-12-01	1456.1	1459.2	1181.2	1200
2024-11-01	1456.1	1459.2	1181.2	1200
2024-10-01	1456.1	1459.2	1181.2	1200
2024-09-01	1386.6	1407	1181.2	1200
2024-08-01	1356.2	1380.4	1181.2	1200
2024-07-01	1366.8	1400.2	1181.2	1200
2024-09-01	1318.1	1328.2	1185.9	1200
2024-05-01	1348.4	1367.6	1185.9	1200
2024-04-01	1338.6	1361.2	1185.9	1200
2024-03-01	1338.6	1361.2	1185.9	1200
2024-02-01	1370.5	1361.2	1273.4	1200
2024-01-01	1407.8	1401.2	1273.4	1200
2023-12-01	1407.8	1401.2	1273.4	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	Chess Molecules Rapid 2025 (B)	2025-09-20	2025-09-20	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
2	2025 Gauteng Schools Provincial Individual Chess Championship (U15 Girls)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
3	JMC Closed 2025 (U16)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
4	South African Open 2025 (U16 Girls)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
5	JMC Helpmekaar 2025 (C)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
6	Chess Molecules Open Tournament 2025 (B)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
7	South African Junior Closed Chess Championships 2025 (U16 Girls)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	4	Yes	Analysis
8	2nd Knight Riders Junior Open 2025 (A+B)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	4	2.5	Yes	Analysis
9	MCA Summer March 2025 (Advanced)	2025-03-08	2025-03-08	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
10	JMC Kick Off 2025 (B)	2025-02-02	2025-02-02	Standard	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	Chess Molecules Rapid 2025 (B)	2025-09-20	2025-09-20	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
2	2025 Gauteng Schools Provincial Individual Chess Championship (U15 Girls)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
3	JMC Closed 2025 (U16)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
4	South African Open 2025 (U16 Girls)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
5	JMC Helpmekaar 2025 (C)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
6	Chess Molecules Open Tournament 2025 (B)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
7	South African Junior Closed Chess Championships 2025 (U16 Girls)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	4	Yes	Analysis
8	2nd Knight Riders Junior Open 2025 (A+B)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	4	2.5	Yes	Analysis
9	MCA Summer March 2025 (Advanced)	2025-03-08	2025-03-08	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
10	JMC Kick Off 2025 (B)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
11	Mzansi Interprovincial Youth Chess Championships 2024 (U16 Girls Championship)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	4	Yes	Analysis
12	Gauteng Inter-Region at UJ 2024 (U16+U18 Girls)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
13	Knight Riders Spring Chess Tournament 2024 (B)	2024-09-28	2024-09-28	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
14	Mzansi Spring Open 2024 (Intermediate)	2024-09-07	2024-09-07	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
15	Gauteng Schools Individuals Finals 2024 (U15 Girls)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
16	JMC Closed 2024 (C)	2024-08-09	2024-08-11	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
17	JMC Trinityhouse Randpark Ridge 2024 (C)	2024-07-13	2024-07-13	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
18	Chess Molecules Open Chess Tournament 2024 (High School Girls)	2024-06-15	2024-06-15	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
19	JMC Trinityhouse Little Falls 2024 (C)	2024-06-02	2024-06-02	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
20	Chess Power House May Open 2024 (B)	2024-05-25	2024-05-25	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
21	2024 KSNG CHess Academy Open Tournament (D1)	2024-04-06	2024-04-06	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
22	Chess Power House 1st Rapid 2024 (A)	2024-02-24	2024-02-24	Rapid	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
23	2024 Gauteng Inter-Region Chess Championship (U14A)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
24	Chess is My Lifestyle 2023 (Grade 5-7)	2023-12-09	2023-12-09	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
25	West Rand vs Bojanala Inter-Regional Championships 2023 (U14)	2023-10-14	2023-10-14	Standard	West Rand (GWR)	5	5	1	Yes	Analysis
26	Gauteng Soncini Finals 2023 (Girls)	2023-10-28	2023-10-28	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
27	2023 West Rand Trials (U14)	2023-09-09	2023-09-09	Standard	West Rand (GWR)	5	4	3	Yes	Analysis
28	Chess Molecules Rapid 2023 (Grade 5-7)	2023-09-23	2023-09-23	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
29	2023 Gauteng Top Schools (U13 Girls)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	3.5	Yes	Analysis
30	ThinkChess Tournament 29 July 2023	2023-07-29	2023-07-29	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
31	Gauteng Schools Individual Finals 2023 (U13 Girls)	2023-05-26	2023-05-26	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
32	West Rand Juniors 2023 (U14)	2023-03-18	2023-03-18	Standard	West Rand (GWR)	5	5	5	Yes	Analysis
33	2022 Gauteng Schools Team Championships (U13 Girls)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis

#	Games	Start				End
1	11	Tournament 2022 Gauteng Schools Team Championships				Tournament Gauteng Schools Individual Finals 2023
		date 2022-08-27	rnd 4	type Standard	result 1	date 2023-05-26	rnd 4	type Standard	result 0.5
		Opponent Ramakau, M (Matshwanelo)				Opponent Williams, A (Anika)
2	8	Tournament JMC Helpmekaar 2025				Tournament JMC Closed 2025
		date 2025-06-01	rnd 5	type Standard	result 1	date 2025-08-09	rnd 2	type Standard	result 1
		Opponent Mlilo, S (Sibongisiwe)				Opponent Epule, D (Daniel)
3	7	Tournament Gauteng Soncini Finals 2023				Tournament Chess is My Lifestyle 2023
		date 2023-10-28	rnd 3	type Rapid	result 1	date 2023-12-09	rnd 4	type Rapid	result 1
		Opponent Narainsamy, A (Annovel)				Opponent Shylesh, S (Sathish)

#	Games	Start				End
1	11	Tournament 2022 Gauteng Schools Team Championships				Tournament Gauteng Schools Individual Finals 2023
		date 2022-08-27	rnd 4	type Standard	result 1	date 2023-05-26	rnd 4	type Standard	result 0.5
		Opponent Ramakau, M (Matshwanelo)				Opponent Williams, A (Anika)
2	8	Tournament JMC Helpmekaar 2025				Tournament JMC Closed 2025
		date 2025-06-01	rnd 5	type Standard	result 1	date 2025-08-09	rnd 2	type Standard	result 1
		Opponent Mlilo, S (Sibongisiwe)				Opponent Epule, D (Daniel)
3	5	Tournament Gauteng Inter-Region at UJ 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-12-08	rnd 5	type Standard	result 1	date 2024-12-17	rnd 4	type Standard	result 0.5
		Opponent Nwaokpo, C (Charity)				Opponent Hagan, B (Bianca)

#	Games	Start				End
1	7	Tournament Gauteng Soncini Finals 2023				Tournament Chess is My Lifestyle 2023
		date 2023-10-28	rnd 3	type Rapid	result 1	date 2023-12-09	rnd 4	type Rapid	result 1
		Opponent Narainsamy, A (Annovel)				Opponent Shylesh, S (Sathish)
2	3	Tournament Chess Molecules Rapid 2023				Tournament Chess Molecules Rapid 2023
		date 2023-09-23	rnd 2	type Rapid	result 1	date 2023-09-23	rnd 4	type Rapid	result 1
		Opponent Igwe, P (Pamela)				Opponent Mogotsi, G (Gomolemo)
3	2	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 1	type Rapid	result 1	date 2025-04-19	rnd 2	type Rapid	result 1
		Opponent Muswanba, G (Greatest)				Opponent Bennett, J (Jemmah)

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament 2022 Gauteng Schools Team Championships				Tournament Gauteng Schools Individual Finals 2023
		date 2022-08-27	rnd 4	type Standard	result 1	date 2023-05-26	rnd 3	type Standard	result 1
		Opponent Ramakau, M (Matshwanelo)				Opponent Tshabalala, R (Reatiaretse)
2	7	Tournament Gauteng Soncini Finals 2023				Tournament Chess is My Lifestyle 2023
		date 2023-10-28	rnd 3	type Rapid	result 1	date 2023-12-09	rnd 4	type Rapid	result 1
		Opponent Narainsamy, A (Annovel)				Opponent Shylesh, S (Sathish)
3	5	Tournament Knight Riders Spring Chess Tournament 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-09-28	rnd 3	type Standard	result 1	date 2024-12-07	rnd 2	type Standard	result 1
		Opponent Purchase, N (Nathan)				Opponent Netshimbupfe, W (Wanga)

#	Games	Start				End
1	10	Tournament 2022 Gauteng Schools Team Championships				Tournament Gauteng Schools Individual Finals 2023
		date 2022-08-27	rnd 4	type Standard	result 1	date 2023-05-26	rnd 3	type Standard	result 1
		Opponent Ramakau, M (Matshwanelo)				Opponent Tshabalala, R (Reatiaretse)
2	5	Tournament Knight Riders Spring Chess Tournament 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-09-28	rnd 3	type Standard	result 1	date 2024-12-07	rnd 2	type Standard	result 1
		Opponent Purchase, N (Nathan)				Opponent Netshimbupfe, W (Wanga)
3	5	Tournament Gauteng Schools Individuals Finals 2024				Tournament Mzansi Spring Open 2024
		date 2024-08-17	rnd 2	type Standard	result 1	date 2024-09-07	rnd 1	type Standard	result 1
		Opponent Van Biljon, J (Jessica)				Opponent Vermaak, S (Sebastian)

#	Games	Start				End
1	7	Tournament Gauteng Soncini Finals 2023				Tournament Chess is My Lifestyle 2023
		date 2023-10-28	rnd 3	type Rapid	result 1	date 2023-12-09	rnd 4	type Rapid	result 1
		Opponent Narainsamy, A (Annovel)				Opponent Shylesh, S (Sathish)
2	3	Tournament Chess Molecules Rapid 2023				Tournament Chess Molecules Rapid 2023
		date 2023-09-23	rnd 2	type Rapid	result 1	date 2023-09-23	rnd 4	type Rapid	result 1
		Opponent Igwe, P (Pamela)				Opponent Mogotsi, G (Gomolemo)
3	2	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 1	type Rapid	result 1	date 2025-04-19	rnd 2	type Rapid	result 1
		Opponent Muswanba, G (Greatest)				Opponent Bennett, J (Jemmah)

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	Thomson-Selibowitz ,R (Ryder)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Thomson-Selibowitz ,R (Ryder)	3	1426.9	1001.9	3	1426.2	1001.9	0	0	0	0	0	0
2	Mankena ,S (Satvik Ram)	3	3	425	3	3	425	0	0	0	0	0	0
2	Mankena ,S (Satvik Ram)	3	1487.6	1912.6	3	1489.2	1912.6	0	0	0	0	0	0
3	Van Niekerk ,N (Nina)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Van Niekerk ,N (Nina)	2	1551.9	1339.4	2	1548.1	1339.4	0	0	0	0	0	0
4	Koen ,K (Kaylee-Jane)	2	2	425	2	2	425	0	0	0	0	0	0
4	Koen ,K (Kaylee-Jane)	2	1314.8	1739.8	2	1312.9	1739.8	0	0	0	0	0	0
5	Mkulisi ,P (Philisiwe)	2	2	425	2	2	425	0	0	0	0	0	0
5	Mkulisi ,P (Philisiwe)	2	1227.2	1652.2	2	1224.5	1652.2	0	0	0	0	0	0
6	Jonker ,R (Reagan)	2	2	425	2	2	425	0	0	0	0	0	0
6	Jonker ,R (Reagan)	2	1328.3	1753.3	2	1325.7	1753.3	0	0	0	0	0	0
7	Cele ,BN (Bongiwe Natasha)	2	2	425	2	2	425	0	0	0	0	0	0
7	Cele ,BN (Bongiwe Natasha)	2	1356.1	1781.1	2	1363	1781.1	0	0	0	0	0	0
8	De Waal ,N (Nadine)	2	1	0	2	1	0	0	0	0	0	0	0
8	De Waal ,N (Nadine)	2	1480.2	1480.2	2	1465.2	1480.2	0	0	0	0	0	0
9	Ramlall ,S (Sanjana)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
9	Ramlall ,S (Sanjana)	2	1580.2	1367.7	2	1587.8	1367.7	0	0	0	0	0	0
10	Dikolomela ,T (Tlhogi)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Dikolomela ,T (Tlhogi)	2	1439.5	1014.5	2	1442.8	1014.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Ngwangwa, N (Nonhlanhla)

Ratings

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Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms