Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ngobe, S (Siyabonga)

Chess SA id

1090135172

FIDE id

Date of birth

2009-03-10 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1382.4

Item	Main	Standard	Rapid	Blitz
Rating	1422.5	1417.3	1287.9	1200
Raw rating	1422.5	1417.3	1287.9	1200
Weighted rating	1406.7	1404	1287.9	1200
Weighted performance	1310.7	1299	0	0
Floor	925.2	930	787.9	700
K-factor	32	32	36	36
Min/Max rating change allowed	120.8	121.7	146.3	165.8
Highest rating	1434.1 2023-08-01	1432.1 2024-05-01	1461.5 2021-10-01	1200 2018-10-01
Highest raw rating	1425.2 2024-06-01	1430 2024-06-01	1287.9 2024-02-01	1200 2024-02-01
Highest weighted rating	1406.7 2025-11-01	1404 2025-11-01	1287.9 2025-02-01	1200 2018-10-01
Highest weighted performance	1434.1 2023-08-01	1432.1 2024-05-01	1461.5 2021-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1422.5	1417.3	1287.9	1200
Analysis
Rating	1422.5	1417.3	1287.9	1200
Raw rating	1422.5	1417.3	1287.9	1200
Weighted rating	1406.7	1404	1287.9
Weighted performance	1310.7	1299	0
K-factor	32	32	36	36
Floor	925.2	930	787.9	700
Max/Min rating change allowed	120.8	121.7	146.3	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	1422.5	1417.3	1287.9	1200
New weighted rating	1408.4	1405.5	1287.9	1200
New weighted performance	1302.2	1290.6	0	0
Temp new rating	1422.5	1417.3	1287.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1422.5	1417.3	1287.9	1200
New K-factor	32	32	36	36
New floor	925.2	930	787.9	700

Item	Main	Standard	Rapid
	0	0	0
	11	11	0
	13	13	0
	17	17	0
	16	11	5
	10	5	5
History	67	57	10

Games since
	Main 24	Standard 24		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
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	11	8.5	77.27	231.8	1244.1	1475.9
Standard	11	8.5	77.27	231.8	1244.1	1475.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	67	47.5	70.9	177.6	1234.7	1412.3
Standard	57	39.5	69.3	164	1239.8	1403.8
Rapid	10	8	80	255	1205.6	1460.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1422.5	1417.3	1287.9	1200
2025-09-30	1415.6	1414.7	1287.9	1200
2025-09-01	1415.6	1414.7	1287.9	1200
2025-08-01	1407.7	1406	1287.9	1200
2025-07-01	1407.7	1406	1287.9	1200
2025-06-01	1407.7	1406	1287.9	1200
2025-05-01	1399.5	1394.8	1287.9	1200
2025-04-01	1399.5	1394.8	1287.9	1200
2025-03-01	1399.5	1394.8	1287.9	1200
2025-02-01	1399.5	1394.8	1287.9	1200
2025-01-01	1399.5	1394.8	1287.9	1200
2024-12-01	1399.5	1394.8	1287.9	1200
2024-11-01	1399.5	1394.8	1287.9	1200
2024-10-01	1399.5	1394.8	1287.9	1200
2024-09-01	1421	1423.9	1287.9	1200
2024-08-01	1425.2	1430	1287.9	1200
2024-07-01	1425.2	1430	1287.9	1200
2024-09-01	1425.2	1430	1287.9	1200
2024-05-01	1379.2	1372	1287.9	1200
2024-04-01	1379.2	1372	1287.9	1200
2024-03-01	1379.2	1372	1287.9	1200
2024-02-01	1379.2	1372	1287.9	1200
2024-01-01	1379.2	1372	1287.9	1200
2023-12-01	1379.2	1372	1287.9	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 (U19)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
2	2025 Gauteng North School District CLOSED League Finals - D1 (U19)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	1	1	1	Yes	Analysis
3	2025 Gauteng North School Individual Championships D1 (U18 Open)	2025-05-17	2025-05-17	Standard	Tshwane (GTP)	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 (U19)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
2	2025 Gauteng North School District CLOSED League Finals - D1 (U19)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	1	1	1	Yes	Analysis
3	2025 Gauteng North School Individual Championships D1 (U18 Open)	2025-05-17	2025-05-17	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
4	Gauteng Schools Individuals Finals 2024 (U15 Boys)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
5	D1 Gauteng North District School Closed 2024 (U17)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	3	3	2	Yes	Analysis
6	2024 Gauteng North School District Individual Championships - D1 (U15 Boys)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
7	2023 Gauteng Top Schools (U19 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	3.5	Yes	Analysis
8	2023 Gauteng North School District CLOSED League Championships (D1)	2023-08-05	2023-08-05	Standard	Tshwane (GTP)	3	3	3	Yes	Analysis
9	2023 Gauteng North School District CLOSED Individual Championships (U15 Boys)	2023-05-13	2023-05-13	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
10	Gauteng Schools Individual Finals 2023 (U15 Boys)	2023-05-27	2023-05-27	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
11	2022 Gauteng North Schools District League Finals (U15)	2022-08-20	2022-08-20	Standard	Tshwane (GTP)	3	2	1	Yes	Analysis
12	2022 Gauteng Schools Team Championships (U15 Open)	2022-08-26	2022-08-26	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
13	Gauteng North District Individual Chess Finals 2022 (U15 Open)	2022-06-11	2022-06-11	Rapid	Tshwane (GTP)	7	5	4	Yes	Analysis
14	2022 Gauteng Schools Individual Chess Championship (U15 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis
15	2021 D1 Individuals (U13 Open)	2021-10-14	2021-10-14	Rapid	Tshwane (GTP)	5	5	4	Yes	Analysis
16	2021 Gauteng Schools Chess Championships (U13 Boys)	2021-10-16	2021-10-16	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament 2023 Gauteng Top Schools				Tournament D1 Gauteng North District School Closed 2024
		date 2023-08-19	rnd 5	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Botha, SB (Stefan)				Opponent Matlala, F (Fortune)
2	6	Tournament 2023 Gauteng North School District CLOSED League Championships				Tournament 2023 Gauteng Top Schools
		date 2023-08-05	rnd 1	type Standard	result 1	date 2023-08-19	rnd 3	type Standard	result 1
		Opponent Nel Alvaro, C (Constantine)				Opponent Selongoana, T (Tholoana)
3	5	Tournament Gauteng Schools Individuals Finals 2024				Tournament 2025 Gauteng North School Individual Championships D1
		date 2024-08-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Grundlingh, A (Alex Jared)				Opponent Mashala, D (Destiny)

#	Games	Start				End
1	7	Tournament 2023 Gauteng Top Schools				Tournament D1 Gauteng North District School Closed 2024
		date 2023-08-19	rnd 5	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Botha, SB (Stefan)				Opponent Matlala, F (Fortune)
2	6	Tournament 2023 Gauteng North School District CLOSED League Championships				Tournament 2023 Gauteng Top Schools
		date 2023-08-05	rnd 1	type Standard	result 1	date 2023-08-19	rnd 3	type Standard	result 1
		Opponent Nel Alvaro, C (Constantine)				Opponent Selongoana, T (Tholoana)
3	5	Tournament Gauteng Schools Individuals Finals 2024				Tournament 2025 Gauteng North School Individual Championships D1
		date 2024-08-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Grundlingh, A (Alex Jared)				Opponent Mashala, D (Destiny)

#	Games	Start				End
1	6	Tournament 2021 D1 Individuals				Tournament Gauteng North District Individual Chess Finals 2022
		date 2021-10-14	rnd 3	type Rapid	result 1	date 2022-06-11	rnd 5	type Rapid	result 1
		Opponent Seabela, A (Abel)				Opponent Shabangu, L (Lucky)
2	1	Tournament Gauteng North District Individual Chess Finals 2022				Tournament Gauteng North District Individual Chess Finals 2022
		date 2022-06-11	rnd 7	type Rapid	result 1	date 2022-06-11	rnd 7	type Rapid	result 1
		Opponent Molefi, B (Bandzile)				Opponent Molefi, B (Bandzile)
3	1	Tournament 2021 D1 Individuals				Tournament 2021 D1 Individuals
		date 2021-10-14	rnd 1	type Rapid	result 1	date 2021-10-14	rnd 1	type Rapid	result 1
		Opponent Mavuso, K (Kagiso)				Opponent Mavuso, K (Kagiso)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament 2023 Gauteng Top Schools				Tournament D1 Gauteng North District School Closed 2024
		date 2023-08-19	rnd 5	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Botha, SB (Stefan)				Opponent Matlala, F (Fortune)
2	5	Tournament Gauteng Schools Individuals Finals 2024				Tournament 2025 Gauteng North School Individual Championships D1
		date 2024-08-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Grundlingh, A (Alex Jared)				Opponent Mashala, D (Destiny)
3	4	Tournament 2023 Gauteng North School District CLOSED League Championships				Tournament 2023 Gauteng Top Schools
		date 2023-08-05	rnd 1	type Standard	result 1	date 2023-08-19	rnd 1	type Standard	result 1
		Opponent Nel Alvaro, C (Constantine)				Opponent Sithole, N (Nolwazi)

#	Games	Start				End
1	7	Tournament 2023 Gauteng Top Schools				Tournament D1 Gauteng North District School Closed 2024
		date 2023-08-19	rnd 5	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Botha, SB (Stefan)				Opponent Matlala, F (Fortune)
2	5	Tournament Gauteng Schools Individuals Finals 2024				Tournament 2025 Gauteng North School Individual Championships D1
		date 2024-08-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Grundlingh, A (Alex Jared)				Opponent Mashala, D (Destiny)
3	4	Tournament 2023 Gauteng North School District CLOSED League Championships				Tournament 2023 Gauteng Top Schools
		date 2023-08-05	rnd 1	type Standard	result 1	date 2023-08-19	rnd 1	type Standard	result 1
		Opponent Nel Alvaro, C (Constantine)				Opponent Sithole, N (Nolwazi)

#	Games	Start				End
1	6	Tournament 2021 D1 Individuals				Tournament Gauteng North District Individual Chess Finals 2022
		date 2021-10-14	rnd 3	type Rapid	result 1	date 2022-06-11	rnd 5	type Rapid	result 1
		Opponent Seabela, A (Abel)				Opponent Shabangu, L (Lucky)
2	1	Tournament Gauteng North District Individual Chess Finals 2022				Tournament Gauteng North District Individual Chess Finals 2022
		date 2022-06-11	rnd 7	type Rapid	result 1	date 2022-06-11	rnd 7	type Rapid	result 1
		Opponent Molefi, B (Bandzile)				Opponent Molefi, B (Bandzile)
3	1	Tournament 2021 D1 Individuals				Tournament 2021 D1 Individuals
		date 2021-10-14	rnd 1	type Rapid	result 1	date 2021-10-14	rnd 1	type Rapid	result 1
		Opponent Mavuso, K (Kagiso)				Opponent Mavuso, K (Kagiso)

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	Du Toit ,SJM (Stephanus (Matteo) Johannes Matheus)	2	1	0	2	1	0	0	0	0	0	0	0
1	Du Toit ,SJM (Stephanus (Matteo) Johannes Matheus)	2	1464	1464	2	1455.3	1464	0	0	0	0	0	0
2	Letswene ,L (Lehlogonolo)	2	1	0	2	1	0	0	0	0	0	0	0
2	Letswene ,L (Lehlogonolo)	2	1242.7	1242.7	2	1244.4	1242.7	0	0	0	0	0	0
3	Masanabo ,T (Thato)	2	2	425	2	2	425	0	0	0	0	0	0
3	Masanabo ,T (Thato)	2	1199.3	1624.3	2	1196.6	1624.3	0	0	0	0	0	0
4	Molefi ,B (Bandzile)	2	1	0	1	0	-425	1	1	425	0	0	0
4	Molefi ,B (Bandzile)	2	1175.3	1175.3	1	1144	750.3	1	1200	1600.3	0	0	0
5	Mnguni ,S (Sanele)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Mnguni ,S (Sanele)	2	1201	776	1	1201.6	776	1	1200	776	0	0	0
6	Monnig ,E (Erika)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Monnig ,E (Erika)	1	1620.6	1195.6	1	1620.7	1195.6	0	0	0	0	0	0
7	Botha ,SB (Stefan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Botha ,SB (Stefan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Lamula ,V (Vincent Ntando Andzisa)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Lamula ,V (Vincent Ntando Andzisa)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
9	Mohale ,O (Oscar Matheola)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mohale ,O (Oscar Matheola)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Mathew ,M (Melvin)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mathew ,M (Melvin)	1	1211.7	1636.7	1	1217.3	1636.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Ngobe, S (Siyabonga)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms