Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ngwenya, S (Siyabonga)

Chess SA id

1130142644

FIDE id

Date of birth

2013-08-12 (U14)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1182.1	1178	1199.5	1200
Raw rating	1182	1178	1199.3	1200
Weighted rating	1182.1	1178	1199.5	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	170.1	171.1	166	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0	0	-0	0
New rating	1182.1	1178	1199.5	1200
Analysis
Rating	1182.1	1178	1199.5	1200
Raw rating	1182	1178	1199.3	1200
Weighted rating	1182.1	1178	1199.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	170.1	171.1	166	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	1182	1178	1199.3	1200
New weighted rating	1182.1	1178	1199.5	1200
New weighted performance	0	0	0	0
Temp new rating	1182.1	1178	1199.5	1200
Temp new rating +/-	-0	0	-0	0
Final new rating +/-	-0	0	-0	0
New rating	1182.1	1178	1199.5	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	5	0	5
	0	0	0
	0	0	0
	5	5	0
	0	0	0
History	10	5	5

Games since
	Main 5	Standard 0		Rapid 5		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	5	1	20	-255	1213	958
Standard	0	0	0	0	0	0
Rapid	5	1	20	-255	1213	958
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	3	30	-170	1207.6	1037.6
Standard	5	2	40	-85	1202.1	1117.1
Rapid	5	1	20	-255	1213	958
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1182	1178	1199.3	1200
2025-09-01	1182	1178	1199.3	1200
2025-08-01	1182	1178	1199.3	1200
2025-07-01	1180	1178	1195.7	1200
2025-06-01	1182.4	1178	1200	1200
2025-05-01	1182.4	1178	1200	1200
2025-04-01	1182.4	1178	1200	1200
2025-03-01	1182.4	1178	1200	1200
2025-02-01	1182.4	1178	1200	1200
2025-01-01	1182.4	1178	1200	1200
2024-12-01	1182.4	1178	1200	1200
2024-11-01	1182.4	1178	1200	1200
2024-10-01	1182.4	1178	1200	1200
2024-09-01	1182.4	1178	1200	1200
2024-08-01	1182.4	1178	1200	1200
2024-07-01	1182.4	1178	1200	1200
2024-06-01	1182.4	1178	1200	1200
2024-08-01	1182.4	1178	1200	1200
2024-04-01	1182.4	1178	1200	1200
2024-03-01	1182.4	1178	1200	1200
2024-02-01	1182.4	1178	1200	1200
2024-01-01	1182.4	1178	1200	1200
2023-12-01	1182.4	1178	1200	1200
2023-11-01	1182.4	1178	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	Kemptonpark School Cluster 2025 (U13)	2025-06-07	2025-06-07	Rapid	Ekurhuleni (GE)	5	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Kemptonpark School Cluster 2025 (U13)	2025-06-07	2025-06-07	Rapid	Ekurhuleni (GE)	5	5	1	Yes	Analysis
2	Ekurhuleni-North Schools Finals Indiv 2022 (U9 Boys)	2022-05-13	2022-05-13	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament Kemptonpark School Cluster 2025				Tournament Kemptonpark School Cluster 2025
		date 2025-06-07	rnd 2	type Rapid	result 1	date 2025-06-07	rnd 2	type Rapid	result 1
		Opponent Mpendukana, H (Hlonipani)				Opponent Mpendukana, H (Hlonipani)
2	1	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament Ekurhuleni-North Schools Finals Indiv 2022
		date 2022-05-13	rnd 4	type Standard	result 1	date 2022-05-13	rnd 4	type Standard	result 1
		Opponent Zungu, S (Sbonisethu)				Opponent Zungu, S (Sbonisethu)
3	1	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament Ekurhuleni-North Schools Finals Indiv 2022
		date 2022-05-13	rnd 1	type Standard	result 1	date 2022-05-13	rnd 1	type Standard	result 1
		Opponent Jordaan, M (Mikijl)				Opponent Jordaan, M (Mikijl)

#	Games	Start				End
1	1	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament Ekurhuleni-North Schools Finals Indiv 2022
		date 2022-05-13	rnd 4	type Standard	result 1	date 2022-05-13	rnd 4	type Standard	result 1
		Opponent Zungu, S (Sbonisethu)				Opponent Zungu, S (Sbonisethu)
2	1	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament Ekurhuleni-North Schools Finals Indiv 2022
		date 2022-05-13	rnd 1	type Standard	result 1	date 2022-05-13	rnd 1	type Standard	result 1
		Opponent Jordaan, M (Mikijl)				Opponent Jordaan, M (Mikijl)

#	Games	Start				End
1	1	Tournament Kemptonpark School Cluster 2025				Tournament Kemptonpark School Cluster 2025
		date 2025-06-07	rnd 2	type Rapid	result 1	date 2025-06-07	rnd 2	type Rapid	result 1
		Opponent Mpendukana, H (Hlonipani)				Opponent Mpendukana, H (Hlonipani)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Kemptonpark School Cluster 2025				Tournament Kemptonpark School Cluster 2025
		date 2025-06-07	rnd 2	type Rapid	result 1	date 2025-06-07	rnd 2	type Rapid	result 1
		Opponent Mpendukana, H (Hlonipani)				Opponent Mpendukana, H (Hlonipani)
2	1	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament Ekurhuleni-North Schools Finals Indiv 2022
		date 2022-05-13	rnd 4	type Standard	result 1	date 2022-05-13	rnd 4	type Standard	result 1
		Opponent Zungu, S (Sbonisethu)				Opponent Zungu, S (Sbonisethu)
3	1	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament Ekurhuleni-North Schools Finals Indiv 2022
		date 2022-05-13	rnd 1	type Standard	result 1	date 2022-05-13	rnd 1	type Standard	result 1
		Opponent Jordaan, M (Mikijl)				Opponent Jordaan, M (Mikijl)

#	Games	Start				End
1	1	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament Ekurhuleni-North Schools Finals Indiv 2022
		date 2022-05-13	rnd 4	type Standard	result 1	date 2022-05-13	rnd 4	type Standard	result 1
		Opponent Zungu, S (Sbonisethu)				Opponent Zungu, S (Sbonisethu)
2	1	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament Ekurhuleni-North Schools Finals Indiv 2022
		date 2022-05-13	rnd 1	type Standard	result 1	date 2022-05-13	rnd 1	type Standard	result 1
		Opponent Jordaan, M (Mikijl)				Opponent Jordaan, M (Mikijl)

#	Games	Start				End
1	1	Tournament Kemptonpark School Cluster 2025				Tournament Kemptonpark School Cluster 2025
		date 2025-06-07	rnd 2	type Rapid	result 1	date 2025-06-07	rnd 2	type Rapid	result 1
		Opponent Mpendukana, H (Hlonipani)				Opponent Mpendukana, H (Hlonipani)

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	Opperman ,N (Naude)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Opperman ,N (Naude)	1	1259.3	834.3	1	1250.5	834.3	0	0	0	0	0	0
2	Zungu ,S (Sbonisethu)	1	1	425	1	1	425	0	0	0	0	0	0
2	Zungu ,S (Sbonisethu)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Jordaan ,M (Mikijl)	1	1	425	1	1	425	0	0	0	0	0	0
3	Jordaan ,M (Mikijl)	1	1151.1	1576.1	1	1143.6	1576.1	0	0	0	0	0	0
4	Burger ,L (Leon)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Burger ,L (Leon)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	De Lange ,Z (Zanco)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	De Lange ,Z (Zanco)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Ntseto ,F (Fred)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Ntseto ,F (Fred)	1	1200	775	0	0	0	1	1200	775	0	0	0
7	Ramanenzhe ,O (Orifha)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Ramanenzhe ,O (Orifha)	1	1264	839	0	0	0	1	1253.3	839	0	0	0
8	Zvoushe ,E (Elhanan Mukudzeishe)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Zvoushe ,E (Elhanan Mukudzeishe)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Mpendukana ,H (Hlonipani)	1	1	425	0	0	0	1	1	425	0	0	0
9	Mpendukana ,H (Hlonipani)	1	1201	1626	0	0	0	1	1201.2	1626	0	0	0
10	Matlala ,P (Pitso)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Matlala ,P (Pitso)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Ngwenya, 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