Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nkosi, M (Mbongeni)

Chess SA id

1080318222

FIDE id

Date of birth

2008-10-15 (U18)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1455.6

Item	Main	Standard	Rapid	Blitz
Rating	1453.1	1495.3	1199.7	1200
Raw rating	1397.4	1436.8	1198.9	1200
Weighted rating	1268.1	1281.3	1199.7	1200
Weighted performance	1453.1	1495.3	0	0
Floor	897.4	936.8	700	700
K-factor	36	32	36	36
Min/Max rating change allowed	125.2	118.3	166.1	165.8
Highest rating	1469.6 2025-09-30	1511.2 2025-09-30	1200 2025-04-01	1200 2025-04-01
Highest raw rating	1397.4 2025-09-30	1436.8 2025-09-30	1200 2025-04-01	1200 2025-04-01
Highest weighted rating	1254.8 2025-09-30	1265.3 2025-09-30	1200 2025-04-01	1200 2025-04-01
Highest weighted performance	1469.6 2025-09-30	1512.3 2025-09-30	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-8.7	-9	-0.1	0
New rating	1444.4	1486.3	1199.6	1200
Analysis
Rating	1453.1	1495.3	1199.7	1200
Raw rating	1397.4	1436.8	1198.9	1200
Weighted rating	1268.1	1281.3	1199.7
Weighted performance	1453.1	1495.3	0
K-factor	36	32	36	36
Floor	897.4	936.8	700	700
Max/Min rating change allowed	125.2	118.3	166.1	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	1397.4	1436.8	1198.9	1200
New weighted rating	1280.8	1296.5	1199.6	1200
New weighted performance	1444.4	1486.3	0	0
Temp new rating	1444.4	1486.3	1199.6	1200
Temp new rating +/-	-8.7	-9	-0.1	0
Final new rating +/-	-8.7	-9	-0.1	0
New rating	1444.4	1486.3	1199.6	1200
New K-factor	36	32	36	36
New floor	897.4	936.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	31	25	6
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	31	25	6

Games since
	Main 31	Standard 25		Rapid 6		Blitz 0
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	31	19	61.29	96	1366.4	1462.4
Standard	25	16.5	66	136	1392.7	1528.7
Rapid	6	2.5	41.67	-70.8	1256.6	1185.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	31	19	61.29	96	1366.4	1462.4
Standard	25	16.5	66	136	1392.7	1528.7
Rapid	6	2.5	41.67	-70.8	1256.6	1185.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1397.4	1436.8	1198.9	1200
2025-09-30	1397.4	1436.8	1198.9	1200
2025-09-01	1354.7	1383.5	1198.9	1200
2025-08-01	1315.8	1357.2	1198.9	1200
2025-07-01	1339.2	1357.2	1200	1200
2025-06-01	1275.4	1282.6	1200	1200
2025-05-01	1231.4	1234.6	1200	1200
2025-04-01	1231.4	1234.6	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	Ekurhuleni Trial 4 2025 (C)	2025-09-21	2025-09-21	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
2	Ekurhuleni Trials 2025 (C)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
3	Evaton International Chess Day Rapid 19 July 2025 (B)	2025-07-19	2025-07-19	Rapid	Sedibeng (GSV)	6	6	2.5	Yes	Analysis
4	Ekurhuleni Trial 2 2025 (C)	2025-06-21	2025-06-21	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
5	D5 Anker 2025 (U18 Boys)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
6	Ekurhuleni Chess Open 2025 (C)	2025-03-15	2025-03-15	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni Trial 4 2025 (C)	2025-09-21	2025-09-21	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
2	Ekurhuleni Trials 2025 (C)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
3	Evaton International Chess Day Rapid 19 July 2025 (B)	2025-07-19	2025-07-19	Rapid	Sedibeng (GSV)	6	6	2.5	Yes	Analysis
4	Ekurhuleni Trial 2 2025 (C)	2025-06-21	2025-06-21	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
5	D5 Anker 2025 (U18 Boys)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
6	Ekurhuleni Chess Open 2025 (C)	2025-03-15	2025-03-15	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trial 4 2025
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-09-21	rnd 2	type Standard	result 1
		Opponent Sheik, K (Keyaam)				Opponent Francis, A (Aaron)
2	4	Tournament D5 Anker 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Kudzai, M (Madzudzo)				Opponent Francis, A (Aaron)
3	3	Tournament Evaton International Chess Day Rapid 19 July 2025				Tournament Evaton International Chess Day Rapid 19 July 2025
		date 2025-07-19	rnd 2	type Rapid	result 1	date 2025-07-19	rnd 4	type Rapid	result 1
		Opponent Nhlapo, M (Mpho)				Opponent Netshilongwe, R (Rofhiwa)

#	Games	Start				End
1	4	Tournament D5 Anker 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Kudzai, M (Madzudzo)				Opponent Francis, A (Aaron)
2	3	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Sheik, K (Keyaam)				Opponent Strydom, L (Leyan)
3	3	Tournament Ekurhuleni Trial 2 2025				Tournament Ekurhuleni Trials 2025
		date 2025-06-21	rnd 4	type Standard	result 1	date 2025-07-26	rnd 1	type Standard	result 0.5
		Opponent Hattingh, T (Tiaan)				Opponent Mvabaza, B (Bayethe)

#	Games	Start				End
1	3	Tournament Evaton International Chess Day Rapid 19 July 2025				Tournament Evaton International Chess Day Rapid 19 July 2025
		date 2025-07-19	rnd 2	type Rapid	result 1	date 2025-07-19	rnd 4	type Rapid	result 1
		Opponent Nhlapo, M (Mpho)				Opponent Netshilongwe, R (Rofhiwa)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament D5 Anker 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Kudzai, M (Madzudzo)				Opponent Francis, A (Aaron)
2	3	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Sheik, K (Keyaam)				Opponent Strydom, L (Leyan)
3	2	Tournament Ekurhuleni Chess Open 2025				Tournament Ekurhuleni Chess Open 2025
		date 2025-03-15	rnd 1	type Standard	result 1	date 2025-03-15	rnd 2	type Standard	result 1
		Opponent Cloete, N (Nathan)				Opponent Grootboom, C (Chante)

#	Games	Start				End
1	4	Tournament D5 Anker 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Kudzai, M (Madzudzo)				Opponent Francis, A (Aaron)
2	3	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Sheik, K (Keyaam)				Opponent Strydom, L (Leyan)
3	2	Tournament Ekurhuleni Chess Open 2025				Tournament Ekurhuleni Chess Open 2025
		date 2025-03-15	rnd 1	type Standard	result 1	date 2025-03-15	rnd 2	type Standard	result 1
		Opponent Cloete, N (Nathan)				Opponent Grootboom, C (Chante)

#	Games	Start				End
1	1	Tournament Evaton International Chess Day Rapid 19 July 2025				Tournament Evaton International Chess Day Rapid 19 July 2025
		date 2025-07-19	rnd 4	type Rapid	result 1	date 2025-07-19	rnd 4	type Rapid	result 1
		Opponent Netshilongwe, R (Rofhiwa)				Opponent Netshilongwe, R (Rofhiwa)
2	1	Tournament Evaton International Chess Day Rapid 19 July 2025				Tournament Evaton International Chess Day Rapid 19 July 2025
		date 2025-07-19	rnd 2	type Rapid	result 1	date 2025-07-19	rnd 2	type Rapid	result 1
		Opponent Nhlapo, M (Mpho)				Opponent Nhlapo, M (Mpho)

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	Kushar ,T (Tristan)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Kushar ,T (Tristan)	2	1568.8	1143.8	2	1561.9	1143.8	0	0	0	0	0	0
2	Hattingh ,T (Tiaan)	2	2	425	2	2	425	0	0	0	0	0	0
2	Hattingh ,T (Tiaan)	2	1380.9	1805.9	2	1384.6	1805.9	0	0	0	0	0	0
3	Francis ,A (Aaron)	2	2	425	2	2	425	0	0	0	0	0	0
3	Francis ,A (Aaron)	2	1474.9	1899.9	2	1451.3	1899.9	0	0	0	0	0	0
4	Du Toit ,J (Jaunre)	2	1	0	2	1	0	0	0	0	0	0	0
4	Du Toit ,J (Jaunre)	2	1420.1	1420.1	2	1425.6	1420.1	0	0	0	0	0	0
5	Van Der Walt ,T (Tjaart)	2	2	425	2	2	425	0	0	0	0	0	0
5	Van Der Walt ,T (Tjaart)	2	1475.4	1900.4	2	1475.1	1900.4	0	0	0	0	0	0
6	Mathembula ,F (Fezita)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mathembula ,F (Fezita)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Grootboom ,C (Chante)	1	1	425	1	1	425	0	0	0	0	0	0
7	Grootboom ,C (Chante)	1	1280.4	1705.4	1	1276.8	1705.4	0	0	0	0	0	0
8	Naidoo ,S (Sashin)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Naidoo ,S (Sashin)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Erasmus ,M (Max)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Erasmus ,M (Max)	1	1380.1	955.1	1	1371.1	955.1	0	0	0	0	0	0
10	Strydom ,L (Leyan)	1	1	425	1	1	425	0	0	0	0	0	0
10	Strydom ,L (Leyan)	1	1263.9	1688.9	1	1271.3	1688.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Nkosi, M (Mbongeni)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms