Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nkosi, S (Siyabonga)

Chess SA id

198027990

FIDE id

Date of birth

1998-09-23 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-07-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1464.3	1460.7	1480	1480
Raw rating	1464.3	1460.7	1480	1480
Weighted rating	1464.1	1460.5	1480	1480
Weighted performance	0	0	0	0
Floor	984.8	985.8	980	980
K-factor	32	32	32	32
Min/Max rating change allowed	113.8	114.4	111.3	111.3
Highest rating	1484.8 2018-03-01	1485.8 2018-03-01	1480 2019-04-01	1480 2019-04-01
Highest raw rating	1484.8 2018-03-01	1485.8 2018-03-01	1480 2024-02-01	1480 2024-02-01
Highest weighted rating	1484.8 2018-07-01	1485.8 2018-07-01	1480 2019-04-01	1480 2019-04-01
Highest weighted performance	1453.4 2018-02-01	1455 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1464.3	1460.7	1480	1480
Analysis
Rating	1464.3	1460.7	1480	1480
Raw rating	1464.3	1460.7	1480	1480
Weighted rating	1464.1	1460.5	1480
Weighted performance	0	0	0
K-factor	32	32	32	32
Floor	984.8	985.8	980	980
Max/Min rating change allowed	113.8	114.4	111.3	111.3
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	1464.3	1460.7	1480	1480
New weighted rating	1464.2	1460.6	1480	1480
New weighted performance	0	0	0	0
Temp new rating	1464.3	1460.7	1480	1480
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1464.3	1460.7	1480	1480
New K-factor	32	32	32	32
New floor	984.8	985.8	980	980

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	125	118	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	10	71.43	182.1	1180	1362.1
Standard	14	10	71.43	182.1	1180	1362.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1464.3	1460.7	1480	1480
2025-09-01	1464.3	1460.7	1480	1480
2025-08-01	1464.3	1460.7	1480	1480
2025-07-01	1464.3	1460.7	1480	1480
2025-06-01	1464.3	1460.7	1480	1480
2025-05-01	1464.3	1460.7	1480	1480
2025-04-01	1464.3	1460.7	1480	1480
2025-03-01	1464.3	1460.7	1480	1480
2025-02-01	1464.3	1460.7	1480	1480
2025-01-01	1464.3	1460.7	1480	1480
2024-12-01	1464.3	1460.7	1480	1480
2024-11-01	1464.3	1460.7	1480	1480
2024-10-01	1464.3	1460.7	1480	1480
2024-09-01	1464.3	1460.7	1480	1480
2024-08-01	1464.3	1460.7	1480	1480
2024-07-01	1464.3	1460.7	1480	1480
2024-06-01	1464.3	1460.7	1480	1480
2024-08-01	1464.3	1460.7	1480	1480
2024-04-01	1464.3	1460.7	1480	1480
2024-03-01	1464.3	1460.7	1480	1480
2024-02-01	1464.3	1460.7	1480	1480
2024-01-01	1464.3	1460.7	1480	1480
2023-12-01	1446	1443.2	1480	1480
2023-11-01	1446	1443.2	1480	1480

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2018 USSA Championship (Open)	2018-07-02	2018-07-06	Standard	Gert Sibande (MGS)	9	9	5.5	Yes	Analysis
2	JCC Wits 2018 (B)	2018-02-25	2018-02-25	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament JCC Wits 2018				Tournament 2018 USSA Championship
		date 2018-02-25	rnd 1	type Standard	result 1	date 2018-07-02	rnd 2	type Standard	result 1
		Opponent Mooketsi, O (Owane)				Opponent Mathetha, M (Mlungisi)
2	3	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-05	rnd 7	type Standard	result 1	date 2018-07-06	rnd 9	type Standard	result 1
		Opponent Mbombo, N (Nhlanhla)				Opponent Haai, A (Austin)
3	1	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-04	rnd 5	type Standard	result 0.5	date 2018-07-04	rnd 5	type Standard	result 0.5
		Opponent Mathonsi, I (Innocent)				Opponent Mathonsi, I (Innocent)

#	Games	Start				End
1	7	Tournament JCC Wits 2018				Tournament 2018 USSA Championship
		date 2018-02-25	rnd 1	type Standard	result 1	date 2018-07-02	rnd 2	type Standard	result 1
		Opponent Mooketsi, O (Owane)				Opponent Mathetha, M (Mlungisi)
2	3	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-05	rnd 7	type Standard	result 1	date 2018-07-06	rnd 9	type Standard	result 1
		Opponent Mbombo, N (Nhlanhla)				Opponent Haai, A (Austin)
3	1	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-04	rnd 5	type Standard	result 0.5	date 2018-07-04	rnd 5	type Standard	result 0.5
		Opponent Mathonsi, I (Innocent)				Opponent Mathonsi, I (Innocent)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament JCC Wits 2018				Tournament JCC Wits 2018
		date 2018-02-25	rnd 1	type Standard	result 1	date 2018-02-25	rnd 4	type Standard	result 1
		Opponent Mooketsi, O (Owane)				Opponent Murapa, B (Batsirai)
2	3	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-05	rnd 7	type Standard	result 1	date 2018-07-06	rnd 9	type Standard	result 1
		Opponent Mbombo, N (Nhlanhla)				Opponent Haai, A (Austin)
3	2	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-02	rnd 1	type Standard	result 1	date 2018-07-02	rnd 2	type Standard	result 1
		Opponent Nkosi, M (Minenhle)				Opponent Mathetha, M (Mlungisi)

#	Games	Start				End
1	4	Tournament JCC Wits 2018				Tournament JCC Wits 2018
		date 2018-02-25	rnd 1	type Standard	result 1	date 2018-02-25	rnd 4	type Standard	result 1
		Opponent Mooketsi, O (Owane)				Opponent Murapa, B (Batsirai)
2	3	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-05	rnd 7	type Standard	result 1	date 2018-07-06	rnd 9	type Standard	result 1
		Opponent Mbombo, N (Nhlanhla)				Opponent Haai, A (Austin)
3	2	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-02	rnd 1	type Standard	result 1	date 2018-07-02	rnd 2	type Standard	result 1
		Opponent Nkosi, M (Minenhle)				Opponent Mathetha, M (Mlungisi)

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	Mboyisa ,N (Ndumiso)	1	1	425	1	1	425	0	0	0	0	0	0
1	Mboyisa ,N (Ndumiso)	1	840.8	1265.8	1	840.8	1265.8	0	0	0	0	0	0
2	Mathonsi ,I (Innocent)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Mathonsi ,I (Innocent)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
3	Maharaj ,K (Kiashen)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Maharaj ,K (Kiashen)	1	1285.6	1285.6	1	1287.5	1285.6	0	0	0	0	0	0
4	Mbombo ,N (Nhlanhla)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mbombo ,N (Nhlanhla)	1	1133.3	1558.3	1	1119.2	1558.3	0	0	0	0	0	0
5	Dorey ,PDV (Pierre)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Dorey ,PDV (Pierre)	1	1303.1	878.1	1	1307.6	878.1	0	0	0	0	0	0
6	Mooketsi ,O (Owane)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mooketsi ,O (Owane)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Mathetha ,M (Mlungisi)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mathetha ,M (Mlungisi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Allison ,LM (Liam Mark)	1	1	425	1	1	425	0	0	0	0	0	0
8	Allison ,LM (Liam Mark)	1	981.8	1406.8	1	987.2	1406.8	0	0	0	0	0	0
9	Haai ,A (Austin)	1	1	425	1	1	425	0	0	0	0	0	0
9	Haai ,A (Austin)	1	1320	1745	1	1320	1745	0	0	0	0	0	0
10	Murapa ,B (Batsirai)	1	1	425	1	1	425	0	0	0	0	0	0
10	Murapa ,B (Batsirai)	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

Tournaments

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PLAYER PAGE

Personal

Nkosi, S (Siyabonga)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms