Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ngubane, S (Siyabonga)

Chess SA id

1100191403

FIDE id

Date of birth

2010-07-10 (U18)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-11-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1224.3	1188.1	1256.9	1200
Raw rating	1224.3	1188.1	1256.9	1200
Weighted rating	1194.6	1184.6	1208.9	1200
Weighted performance	0	0	0	0
Floor	724.3	700	756.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.2	168.7	152.9	165.8
Highest rating	1224.3 2025-11-30	1200 2018-10-01	1256.9 2025-11-30	1200 2018-10-01
Highest raw rating	1224.3 2025-11-30	1200 2019-12-01	1256.9 2025-11-30	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1204.6 2025-11-30	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1224.3	1188.1	1256.9	1200
Analysis
Rating	1224.3	1188.1	1256.9	1200
Raw rating	1224.3	1188.1	1256.9	1200
Weighted rating	1194.6	1184.6	1208.9
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	724.3	700	756.9	700
Max/Min rating change allowed	160.2	168.7	152.9	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	1224.3	1188.1	1256.9	1200
New weighted rating	1197.5	1185.3	1213.1	1200
New weighted performance	0	0	0	0
Temp new rating	1224.3	1188.1	1256.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1224.3	1188.1	1256.9	1200
New K-factor	36	36	36	36
New floor	724.3	700	756.9	700

Item	Main	Standard	Rapid
	0	0	0
	5	0	5
	6	6	0
	6	6	0
	0	0	0
	0	0	0
History	17	12	5

Games since
	Main 17	Standard 12		Rapid 5		Blitz 0
Gender	Male
Age group	U16
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	4	80	255	1210.9	1465.9
Standard	0	0	0	0	0	0
Rapid	5	4	80	255	1210.9	1465.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	17	8	47.06	-25	1281.2	1256.2
Standard	12	4	33.33	-141.7	1310.5	1168.8
Rapid	5	4	80	255	1210.9	1465.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1224.3	1188.1	1256.9	1200
2025-11-30	1224.3	1188.1	1256.9	1200
2025-11-01	1192.2	1188.1	1200	1200
2025-09-30	1192.2	1188.1	1200	1200
2025-09-01	1192.2	1188.1	1200	1200
2025-08-01	1192.2	1188.1	1200	1200
2025-07-01	1192.2	1188.1	1200	1200
2025-06-01	1192.2	1188.1	1200	1200
2025-05-01	1192.2	1188.1	1200	1200
2025-04-01	1192.2	1188.1	1200	1200
2025-03-01	1192.2	1188.1	1200	1200
2025-02-01	1192.2	1188.1	1200	1200
2025-01-01	1192.2	1188.1	1200	1200
2024-12-01	1192.2	1188.1	1200	1200
2024-11-01	1192.2	1188.1	1200	1200
2024-10-01	1192.2	1188.1	1200	1200
2024-09-01	1170.1	1158.6	1200	1200
2024-11-01	1170.1	1158.6	1200	1200
2024-07-01	1170.1	1158.6	1200	1200
2024-06-01	1170.1	1158.6	1200	1200
2024-05-01	1170.1	1158.6	1200	1200
2024-04-01	1170.1	1158.6	1200	1200
2024-03-01	1170.1	1158.6	1200	1200
2024-02-01	1170.1	1158.6	1200	1200

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	2025 Umkhanyakude District SALGA Selections (U20)	2025-11-01	2025-11-01	Rapid	Umkhanyakude (KUM)	5	5	4	Yes	Analysis
2	2024 KZN Schools District Selections (U15 Boys)	2024-09-13	2024-09-15	Standard	Ethekwini (KED)	6	6	3	Yes	Analysis
3	2023 KZN SALGA Games Chess Tournament 2023	2023-12-08	2023-12-10	Standard	Ethekwini (KED)	7	6	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2024 KZN Schools District Selections				Tournament 2024 KZN Schools District Selections
		date 2024-09-14	rnd 5	type Standard	result 1	date 2024-09-15	rnd 6	type Standard	result 1
		Opponent Benxa, W (Wandile)				Opponent Mbanjwa, S (Sanele)
2	1	Tournament 2024 KZN Schools District Selections				Tournament 2024 KZN Schools District Selections
		date 2024-09-14	rnd 2	type Standard	result 1	date 2024-09-14	rnd 2	type Standard	result 1
		Opponent Mkhize, N (Ndumiso)				Opponent Mkhize, N (Ndumiso)
3	1	Tournament 2023 KZN SALGA Games Chess Tournament 2023				Tournament 2023 KZN SALGA Games Chess Tournament 2023
		date 2023-12-09	rnd 5	type Standard	result 1	date 2023-12-09	rnd 5	type Standard	result 1
		Opponent Dladla, N (Nzuzo)				Opponent Dladla, N (Nzuzo)

#	Games	Start				End
1	2	Tournament 2024 KZN Schools District Selections				Tournament 2024 KZN Schools District Selections
		date 2024-09-14	rnd 5	type Standard	result 1	date 2024-09-15	rnd 6	type Standard	result 1
		Opponent Benxa, W (Wandile)				Opponent Mbanjwa, S (Sanele)
2	1	Tournament 2024 KZN Schools District Selections				Tournament 2024 KZN Schools District Selections
		date 2024-09-14	rnd 2	type Standard	result 1	date 2024-09-14	rnd 2	type Standard	result 1
		Opponent Mkhize, N (Ndumiso)				Opponent Mkhize, N (Ndumiso)
3	1	Tournament 2023 KZN SALGA Games Chess Tournament 2023				Tournament 2023 KZN SALGA Games Chess Tournament 2023
		date 2023-12-09	rnd 5	type Standard	result 1	date 2023-12-09	rnd 5	type Standard	result 1
		Opponent Dladla, N (Nzuzo)				Opponent Dladla, N (Nzuzo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2024 KZN Schools District Selections				Tournament 2024 KZN Schools District Selections
		date 2024-09-14	rnd 5	type Standard	result 1	date 2024-09-15	rnd 6	type Standard	result 1
		Opponent Benxa, W (Wandile)				Opponent Mbanjwa, S (Sanele)
2	1	Tournament 2024 KZN Schools District Selections				Tournament 2024 KZN Schools District Selections
		date 2024-09-14	rnd 2	type Standard	result 1	date 2024-09-14	rnd 2	type Standard	result 1
		Opponent Mkhize, N (Ndumiso)				Opponent Mkhize, N (Ndumiso)
3	1	Tournament 2023 KZN SALGA Games Chess Tournament 2023				Tournament 2023 KZN SALGA Games Chess Tournament 2023
		date 2023-12-09	rnd 5	type Standard	result 1	date 2023-12-09	rnd 5	type Standard	result 1
		Opponent Dladla, N (Nzuzo)				Opponent Dladla, N (Nzuzo)

#	Games	Start				End
1	2	Tournament 2024 KZN Schools District Selections				Tournament 2024 KZN Schools District Selections
		date 2024-09-14	rnd 5	type Standard	result 1	date 2024-09-15	rnd 6	type Standard	result 1
		Opponent Benxa, W (Wandile)				Opponent Mbanjwa, S (Sanele)
2	1	Tournament 2024 KZN Schools District Selections				Tournament 2024 KZN Schools District Selections
		date 2024-09-14	rnd 2	type Standard	result 1	date 2024-09-14	rnd 2	type Standard	result 1
		Opponent Mkhize, N (Ndumiso)				Opponent Mkhize, N (Ndumiso)
3	1	Tournament 2023 KZN SALGA Games Chess Tournament 2023				Tournament 2023 KZN SALGA Games Chess Tournament 2023
		date 2023-12-09	rnd 5	type Standard	result 1	date 2023-12-09	rnd 5	type Standard	result 1
		Opponent Dladla, N (Nzuzo)				Opponent Dladla, N (Nzuzo)

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	Dladla ,N (Nzuzo)	1	1	425	1	1	425	0	0	0	0	0	0
1	Dladla ,N (Nzuzo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Mbanjwa ,S (Sanele)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mbanjwa ,S (Sanele)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Ellender ,A (Asher)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Ellender ,A (Asher)	1	1398.7	973.7	1	1282.4	973.7	0	0	0	0	0	0
4	Phuthumani ,I (Iviwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Phuthumani ,I (Iviwe)	1	1315.3	890.3	1	1318.4	890.3	0	0	0	0	0	0
5	Mpulo ,L (Lusanda)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mpulo ,L (Lusanda)	1	1194.7	769.7	1	1192.4	769.7	0	0	0	0	0	0
6	Mkhize ,N (Ndumiso)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mkhize ,N (Ndumiso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Mthembu ,M (Melusi)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mthembu ,M (Melusi)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Lwandle ,K (Khumbulani)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Lwandle ,K (Khumbulani)	1	1277.9	852.9	1	1268.4	852.9	0	0	0	0	0	0
9	Magudulela ,N (Ndumiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Magudulela ,N (Ndumiso)	1	1461.8	1036.8	1	1452.4	1036.8	0	0	0	0	0	0
10	Adekola ,T (Treasure)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Adekola ,T (Treasure)	1	1537.6	1112.6	1	1520.5	1112.6	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

Ngubane, 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