Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sebongwane, N (Nkosana)

Chess SA id

1060191365

FIDE id

Date of birth

2006-03-14 (U20)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-15

Personal details last changed

1900-01-01

Junior GPX Games

16.2

Junior GPX Points

1322.3

Item	Main	Standard	Rapid	Blitz
Rating	1393.1	1326.7	1277.8	1236
Raw rating	1393.1	1326.7	1277.8	1236
Weighted rating	1356.9	1307.6	1261.3	1225.1
Weighted performance	1287.2	0	0	0
Floor	893.1	826.7	777.8	736
K-factor	36	36	36	36
Min/Max rating change allowed	125.9	138.4	148.4	157.5
Highest rating	1419.7 2023-12-01	1326.7 2025-01-01	1339.1 2024-02-01	1236 2025-01-01
Highest raw rating	1393.1 2025-04-01	1326.7 2025-01-01	1277.8 2025-04-01	1236 2025-01-01
Highest weighted rating	1336.3 2025-08-01	1293.8 2025-08-01	1253.5 2025-08-01	1219.7 2025-08-01
Highest weighted performance	1419.7 2023-12-01	1271.2 2024-11-01	1339.1 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1393.1	1326.7	1277.8	1236
Analysis
Rating	1393.1	1326.7	1277.8	1236
Raw rating	1393.1	1326.7	1277.8	1236
Weighted rating	1356.9	1307.6	1261.3
Weighted performance	1287.2	0	0
K-factor	36	36	36	36
Floor	893.1	826.7	777.8	736
Max/Min rating change allowed	125.9	138.4	148.4	157.5
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	1393.1	1326.7	1277.8	1236
New weighted rating	1362.5	1311.4	1263.4	1226.6
New weighted performance	1278.8	0	0	0
Temp new rating	1393.1	1326.7	1277.8	1236
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1393.1	1326.7	1277.8	1236
New K-factor	36	36	36	36
New floor	893.1	826.7	777.8	736

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	5	0	5	0
	32	18	5	9
	6	0	6	0
	0	0	0	0
	0	0	0	0
History	43	18	16	9

Games since
	Main 43	Standard 18		Rapid 16		Blitz 9
Gender	Male
Age group	U20
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2257		793		247
Male	1835		634		202
U20	188		60		7
U20 Male	151		45		4
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	5	3.5	70	170	1381.1	1551.1
Standard	0	0	0	0	0	0
Rapid	5	3.5	70	170	1381.1	1551.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	43	22.5	52.33	19.8	1485.9	1505.7
Standard	18	9.5	52.78	23.6	1420.4	1444
Rapid	16	9	56.25	53.1	1448.9	1502
Blitz	9	4	44.44	-47.2	1682.7	1635.5

Date	Main	Standard	Rapid	Blitz
2025-11-01	1393.1	1326.7	1277.8	1236
2025-09-30	1393.1	1326.7	1277.8	1236
2025-09-01	1393.1	1326.7	1277.8	1236
2025-08-01	1393.1	1326.7	1277.8	1236
2025-07-01	1393.1	1326.7	1277.8	1236
2025-06-01	1393.1	1326.7	1277.8	1236
2025-05-01	1393.1	1326.7	1277.8	1236
2025-04-01	1393.1	1326.7	1277.8	1236
2025-03-01	1353.6	1326.7	1242.5	1236
2025-02-01	1353.6	1326.7	1242.5	1236
2025-01-01	1353.6	1326.7	1242.5	1236
2024-12-01	1338.2	1322	1242.5	1200
2024-11-01	1338.2	1322	1242.5	1200
2024-10-01	1314.9	1291.8	1242.5	1200
2024-09-01	1314.9	1291.8	1242.5	1200
2024-08-01	1314.9	1291.8	1242.5	1200
2024-07-01	1246.8	1200	1242.5	1200
2024-09-01	1246.8	1200	1242.5	1200
2024-05-01	1246.8	1200	1242.5	1200
2024-04-01	1246.8	1200	1242.5	1200
2024-03-01	1246.8	1200	1242.5	1200
2024-02-01	1233.3	1200	1219.8	1200
2024-01-01	1233.3	1200	1219.8	1200
2023-12-01	1233.3	1200	1219.8	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	UJ Scholars 1st Edition 2025 (Open)	2025-03-15	2025-03-15	Rapid	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	UJ Scholars 1st Edition 2025 (Open)	2025-03-15	2025-03-15	Rapid	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
2	USSA Chess Championships 2024 (Open)	2024-11-29	2024-12-03	Standard	Tshwane (GTP)	9	9	3.5	Yes	Analysis
3	USSA Chess Championships 2024 (Blitz)	2024-12-01	2024-12-01	Blitz	Tshwane (GTP)	9	9	4	Yes	Analysis
4	Guateng Universities Chess Championship 2024	2024-10-05	2024-10-05	Standard	Joe Gqabi (EJG)	5	4	2	Yes	Analysis
5	Chess Power House July Open 2024 (B)	2024-07-20	2024-07-20	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
6	Gauteng Cup 2nd Edition 2024	2024-05-18	2024-05-18	Standard	Johannesburg Metro (GJM)	5	0	0	No	Analysis
7	University of the Witwatersrand vs University of Johannesburg 2024	2024-02-24	2024-02-24	Rapid	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
8	Chess Power House Festive Rapid 2023 (B)	2023-12-15	2023-12-15	Rapid	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-11-30	rnd 3	type Standard	result 1	date 2024-12-01	rnd 2	type Blitz	result 1
		Opponent Mkentane, I (Indiphile)				Opponent Mthunzi, C (Clive)
2	3	Tournament University of the Witwatersrand vs University of Johannesburg 2024				Tournament University of the Witwatersrand vs University of Johannesburg 2024
		date 2024-02-24	rnd 1	type Rapid	result 1	date 2024-02-24	rnd 3	type Rapid	result 0.5
		Opponent Mgomezulu, S (Sandile)				Opponent Chettiar, E (Evasan)
3	2	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 4	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Mkandawire, F (Francis)				Opponent Mini, S (Siboniso)

#	Games	Start				End
1	3	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-11-30	rnd 3	type Standard	result 1	date 2024-12-01	rnd 5	type Standard	result 0.5
		Opponent Mkentane, I (Indiphile)				Opponent Ditsepeng, M (Moteka Reamogetse)
2	2	Tournament Guateng Universities Chess Championship 2024				Tournament Guateng Universities Chess Championship 2024
		date 2024-10-05	rnd 2	type Standard	result 1	date 2024-10-05	rnd 3	type Standard	result 1
		Opponent Madisha, K (Khotso Princie)				Opponent Cele, S (Siyabonga)
3	2	Tournament Chess Power House July Open 2024				Tournament Chess Power House July Open 2024
		date 2024-07-20	rnd 4	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Saunders, W (Wayde)				Opponent Chichava, B (Bongani)

#	Games	Start				End
1	3	Tournament University of the Witwatersrand vs University of Johannesburg 2024				Tournament University of the Witwatersrand vs University of Johannesburg 2024
		date 2024-02-24	rnd 1	type Rapid	result 1	date 2024-02-24	rnd 3	type Rapid	result 0.5
		Opponent Mgomezulu, S (Sandile)				Opponent Chettiar, E (Evasan)
2	2	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 4	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Mkandawire, F (Francis)				Opponent Mini, S (Siboniso)
3	2	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 1	type Rapid	result 1	date 2025-03-15	rnd 2	type Rapid	result 0.5
		Opponent Methembe, N (Nhlengethwa)				Opponent Mzimela, N (Nkosinathi)

#	Games	Start				End
1	2	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-12-01	rnd 1	type Blitz	result 0.5	date 2024-12-01	rnd 2	type Blitz	result 1
		Opponent Masilela, NK (Ntokozo King)				Opponent Mthunzi, C (Clive)
2	1	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-12-01	rnd 8	type Blitz	result 1	date 2024-12-01	rnd 8	type Blitz	result 1
		Opponent Sidumo, A (Anga)				Opponent Sidumo, A (Anga)
3	1	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-12-01	rnd 6	type Blitz	result 0.5	date 2024-12-01	rnd 6	type Blitz	result 0.5
		Opponent Ntenga, G (Genius)				Opponent Ntenga, G (Genius)

#	Games	Start				End
1	2	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 4	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Mkandawire, F (Francis)				Opponent Mini, S (Siboniso)
2	2	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-11-30	rnd 3	type Standard	result 1	date 2024-11-30	rnd 4	type Standard	result 1
		Opponent Mkentane, I (Indiphile)				Opponent Ngwala, L (Lutho)
3	2	Tournament Guateng Universities Chess Championship 2024				Tournament Guateng Universities Chess Championship 2024
		date 2024-10-05	rnd 2	type Standard	result 1	date 2024-10-05	rnd 3	type Standard	result 1
		Opponent Madisha, K (Khotso Princie)				Opponent Cele, S (Siyabonga)

#	Games	Start				End
1	2	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-11-30	rnd 3	type Standard	result 1	date 2024-11-30	rnd 4	type Standard	result 1
		Opponent Mkentane, I (Indiphile)				Opponent Ngwala, L (Lutho)
2	2	Tournament Guateng Universities Chess Championship 2024				Tournament Guateng Universities Chess Championship 2024
		date 2024-10-05	rnd 2	type Standard	result 1	date 2024-10-05	rnd 3	type Standard	result 1
		Opponent Madisha, K (Khotso Princie)				Opponent Cele, S (Siyabonga)
3	2	Tournament Chess Power House July Open 2024				Tournament Chess Power House July Open 2024
		date 2024-07-20	rnd 4	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Saunders, W (Wayde)				Opponent Chichava, B (Bongani)

#	Games	Start				End
1	2	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 4	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Mkandawire, F (Francis)				Opponent Mini, S (Siboniso)
2	2	Tournament University of the Witwatersrand vs University of Johannesburg 2024				Tournament University of the Witwatersrand vs University of Johannesburg 2024
		date 2024-02-24	rnd 1	type Rapid	result 1	date 2024-02-24	rnd 2	type Rapid	result 1
		Opponent Mgomezulu, S (Sandile)				Opponent Mooketsi, T (Tshegofatso)
3	1	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 1	type Rapid	result 1	date 2025-03-15	rnd 1	type Rapid	result 1
		Opponent Methembe, N (Nhlengethwa)				Opponent Methembe, N (Nhlengethwa)

#	Games	Start				End
1	1	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-12-01	rnd 8	type Blitz	result 1	date 2024-12-01	rnd 8	type Blitz	result 1
		Opponent Sidumo, A (Anga)				Opponent Sidumo, A (Anga)
2	1	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-12-01	rnd 4	type Blitz	result 1	date 2024-12-01	rnd 4	type Blitz	result 1
		Opponent Carlinsky, R (Ruan)				Opponent Carlinsky, R (Ruan)
3	1	Tournament USSA Chess Championships 2024				Tournament USSA Chess Championships 2024
		date 2024-12-01	rnd 2	type Blitz	result 1	date 2024-12-01	rnd 2	type Blitz	result 1
		Opponent Mthunzi, C (Clive)				Opponent Mthunzi, C (Clive)

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	Kagande ,K (Kieth)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Kagande ,K (Kieth)	1	1625.6	1200.6	1	1629.5	1200.6	0	0	0	0	0	0
2	Purchase ,N (Nathan)	1	1	425	1	1	425	0	0	0	0	0	0
2	Purchase ,N (Nathan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Ditsepeng ,M (Moteka Reamogetse)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Ditsepeng ,M (Moteka Reamogetse)	1	1379.4	1379.4	1	1385.1	1379.4	0	0	0	0	0	0
4	Mkentane ,I (Indiphile)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mkentane ,I (Indiphile)	1	1188.1	1613.1	1	1182.4	1613.1	0	0	0	0	0	0
5	Chichava ,B (Bongani)	1	1	425	1	1	425	0	0	0	0	0	0
5	Chichava ,B (Bongani)	1	1486.4	1911.4	1	1478.8	1911.4	0	0	0	0	0	0
6	Jobeta ,O (Olorato)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Jobeta ,O (Olorato)	1	1520	1095	1	1601.5	1095	0	0	0	0	0	0
7	Madisha ,K (Khotso Princie)	1	1	425	1	1	425	0	0	0	0	0	0
7	Madisha ,K (Khotso Princie)	1	1228.4	1653.4	1	1236.4	1653.4	0	0	0	0	0	0
8	Tsholo ,B (Boitumelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Tsholo ,B (Boitumelo)	1	1391.7	966.7	1	1391.2	966.7	0	0	0	0	0	0
9	Bezuidenhout ,N (Nigel)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Bezuidenhout ,N (Nigel)	1	1396.2	971.2	1	1478.3	971.2	0	0	0	0	0	0
10	Mini ,S (Siboniso)	1	1	425	0	0	0	1	1	425	0	0	0
10	Mini ,S (Siboniso)	1	1600.4	2025.4	0	0	0	1	1318.5	2025.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Sebongwane, N (Nkosana)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms