Chess South Africa Ratings Database

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Personal

Gumbi, N (Nkosenhle)

Chess SA id

1130145741

FIDE id

Date of birth

2013-05-18 (U14)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1371.3

Item	Main	Standard	Rapid	Blitz
Rating	1344.5	1341.5	1200	1200
Raw rating	1344.5	1341.5	1200	1200
Weighted rating	1307.8	1309.3	1200	1200
Weighted performance	1256.7	1255.8	0	0
Floor	874.4	885.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	135	135.5	165.8	165.8
Highest rating	1374.4 2025-06-01	1385.7 2025-04-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1374.4 2025-06-01	1385.7 2025-04-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1307.8 2025-11-01	1309.3 2025-11-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1374.4 2025-06-01	1367.1 2024-09-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1344.5	1341.5	1200	1200
Analysis
Rating	1344.5	1341.5	1200	1200
Raw rating	1344.5	1341.5	1200	1200
Weighted rating	1307.8	1309.3	1200
Weighted performance	1256.7	1255.8	0
K-factor	36	36	36	36
Floor	874.4	885.7	700	700
Max/Min rating change allowed	135	135.5	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	1344.5	1341.5	1200	1200
New weighted rating	1314	1315.1	1200	1200
New weighted performance	1249	1248.2	0	0
Temp new rating	1344.5	1341.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1344.5	1341.5	1200	1200
New K-factor	36	36	36	36
New floor	874.4	885.7	700	700

Item	Main	Standard
	0	0
	19	19
	10	10
	0	0
	1	1
	0	0
History	30	30

Games since
	Main 29	Standard 29		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	19	11.5	60.53	89.5	1247.4	1336.9
Standard	19	11.5	60.53	89.5	1247.4	1336.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	30	20.5	68.33	155.8	1251.1	1406.9
Standard	30	20.5	68.33	155.8	1251.1	1406.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1344.5	1341.5	1200	1200
2025-09-30	1318.5	1307.3	1200	1200
2025-09-01	1318.5	1307.3	1200	1200
2025-08-01	1374.4	1374.8	1200	1200
2025-07-01	1374.4	1374.8	1200	1200
2025-06-01	1374.4	1374.8	1200	1200
2025-05-01	1372.7	1385.7	1200	1200
2025-04-01	1372.7	1385.7	1200	1200
2025-03-01	1336.3	1346.7	1200	1200
2025-02-01	1336.3	1346.7	1200	1200
2025-01-01	1336.3	1346.7	1200	1200
2024-12-01	1254.7	1263.2	1200	1200
2024-11-01	1254.7	1263.2	1200	1200
2024-10-01	1254.7	1263.2	1200	1200
2024-09-01	1180.7	1176.4	1200	1200
2024-08-01	1180.7	1176.4	1200	1200
2024-07-01	1180.7	1176.4	1200	1200
2024-09-01	1180.7	1176.4	1200	1200
2024-05-01	1180.7	1176.4	1200	1200
2024-04-01	1180.7	1176.4	1200	1200
2024-03-01	1180.7	1176.4	1200	1200
2024-02-01	1180.7	1176.4	1200	1200
2024-01-01	1180.7	1176.4	1200	1200
2023-12-01	1180.7	1176.4	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 Top Schools Teams (U13)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
2	Chess Power House Aug Open 2025 (C)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
3	Ekurhuleni South District Primary Schools 2025 (U13 Boys)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	Chess Power House March Open 2025 (C)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U13)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
2	Chess Power House Aug Open 2025 (C)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
3	Ekurhuleni South District Primary Schools 2025 (U13 Boys)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	Chess Power House March Open 2025 (C)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
5	Gauteng Inter-Region at UJ 2024 (U12 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
6	Ekurhuleni Trails 3 2024 (U12)	2024-08-24	2024-08-24	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
7	2022 Gauteng Schools Team Championships (U11 Open)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	1	0	Yes	Analysis

#	Games	Start				End
1	10	Tournament Ekurhuleni Trails 3 2024				Tournament Chess Power House March Open 2025
		date 2024-08-24	rnd 3	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Khumalo, ME (Musawenkosi Ethan)				Opponent Tshibumbu, A (Augustus)
2	5	Tournament Chess Power House March Open 2025				Tournament Ekurhuleni South District Primary Schools 2025
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Mako, T (Tshiamo)				Opponent Ntingashe, N (Ntando)
3	2	Tournament 2025 Gauteng Top Schools Teams				Tournament 2025 Gauteng Top Schools Teams
		date 2025-08-29	rnd 4	type Standard	result 1	date 2025-08-29	rnd 5	type Standard	result 1
		Opponent Kruger, B (Brenden)				Opponent Seitshiro, T (Tshiamo)

#	Games	Start				End
1	10	Tournament Ekurhuleni Trails 3 2024				Tournament Chess Power House March Open 2025
		date 2024-08-24	rnd 3	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Khumalo, ME (Musawenkosi Ethan)				Opponent Tshibumbu, A (Augustus)
2	5	Tournament Chess Power House March Open 2025				Tournament Ekurhuleni South District Primary Schools 2025
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Mako, T (Tshiamo)				Opponent Ntingashe, N (Ntando)
3	1	Tournament Chess Power House Aug Open 2025				Tournament Chess Power House Aug Open 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Nortje, O (Owen)				Opponent Nortje, O (Owen)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament Ekurhuleni Trails 3 2024				Tournament Chess Power House March Open 2025
		date 2024-08-24	rnd 3	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Khumalo, ME (Musawenkosi Ethan)				Opponent Tshibumbu, A (Augustus)
2	5	Tournament Chess Power House March Open 2025				Tournament Ekurhuleni South District Primary Schools 2025
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Mako, T (Tshiamo)				Opponent Ntingashe, N (Ntando)
3	1	Tournament Chess Power House Aug Open 2025				Tournament Chess Power House Aug Open 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Nortje, O (Owen)				Opponent Nortje, O (Owen)

#	Games	Start				End
1	10	Tournament Ekurhuleni Trails 3 2024				Tournament Chess Power House March Open 2025
		date 2024-08-24	rnd 3	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Khumalo, ME (Musawenkosi Ethan)				Opponent Tshibumbu, A (Augustus)
2	5	Tournament Chess Power House March Open 2025				Tournament Ekurhuleni South District Primary Schools 2025
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Mako, T (Tshiamo)				Opponent Ntingashe, N (Ntando)
3	1	Tournament Chess Power House Aug Open 2025				Tournament Chess Power House Aug Open 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Nortje, O (Owen)				Opponent Nortje, O (Owen)

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	Khumalo ,ME (Musawenkosi Ethan)	1	1	425	1	1	425	0	0	0	0	0	0
1	Khumalo ,ME (Musawenkosi Ethan)	1	1225.7	1650.7	1	1210.1	1650.7	0	0	0	0	0	0
2	Slabbert ,M (Marko)	1	1	425	1	1	425	0	0	0	0	0	0
2	Slabbert ,M (Marko)	1	1316.5	1741.5	1	1305.6	1741.5	0	0	0	0	0	0
3	Hlongwane ,Y (Yolanda)	1	1	425	1	1	425	0	0	0	0	0	0
3	Hlongwane ,Y (Yolanda)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Viviers ,W (Wiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Viviers ,W (Wiaan)	1	1163.5	738.5	1	1160	738.5	0	0	0	0	0	0
5	Nortje ,O (Owen)	1	1	425	1	1	425	0	0	0	0	0	0
5	Nortje ,O (Owen)	1	1234.2	1659.2	1	1209.7	1659.2	0	0	0	0	0	0
6	Naidoo ,T (Tristan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Naidoo ,T (Tristan)	1	1267.2	1692.2	1	1263.2	1692.2	0	0	0	0	0	0
7	Kruger ,B (Brenden)	1	1	425	1	1	425	0	0	0	0	0	0
7	Kruger ,B (Brenden)	1	1439	1864	1	1439	1864	0	0	0	0	0	0
8	Tleane ,M (Molemo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Tleane ,M (Molemo)	1	1194.4	1619.4	1	1185.6	1619.4	0	0	0	0	0	0
9	Thakur ,Y (Yuv)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Thakur ,Y (Yuv)	1	1535.5	1110.5	1	1533	1110.5	0	0	0	0	0	0
10	Mahlangu ,S (Shalom)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mahlangu ,S (Shalom)	1	1251.5	1676.5	1	1262.8	1676.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Gumbi, N (Nkosenhle)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms