Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kubheka, S (Siyabonga)

Chess SA id

1080308190

FIDE id

Date of birth

2008-07-29 (U18)

Gender

Male

Region

Ekurhuleni (GE)

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

Item	Main	Standard	Rapid	Blitz
Rating	1347.7	1311.3	1309.4	1200
Raw rating	1347.7	1311.3	1309.4	1200
Weighted rating	1307	1264.9	1289.7	1200
Weighted performance	0	0	0	0
Floor	847.7	811.3	809.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	134.3	141.5	141.9	165.8
Highest rating	1573.4 2024-09-01	1586.1 2024-09-01	1631.7 2024-07-01	1200 2024-10-01
Highest raw rating	1347.7 2025-11-01	1311.3 2025-11-01	1309.4 2024-11-01	1200 2024-10-01
Highest weighted rating	1328.6 2024-10-01	1276 2024-10-01	1276.7 2025-08-01	1200 2024-10-01
Highest weighted performance	1573.4 2024-09-01	1586.1 2024-09-01	1631.7 2024-07-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1347.7	1311.3	1309.4	1200
Analysis
Rating	1347.7	1311.3	1309.4	1200
Raw rating	1347.7	1311.3	1309.4	1200
Weighted rating	1307	1264.9	1289.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	847.7	811.3	809.4	700
Max/Min rating change allowed	134.3	141.5	141.9	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	1347.7	1311.3	1309.4	1200
New weighted rating	1312.7	1270.1	1293.2	1200
New weighted performance	0	0	0	0
Temp new rating	1347.7	1311.3	1309.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1347.7	1311.3	1309.4	1200
New K-factor	36	36	36	36
New floor	847.7	811.3	809.4	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	10	4	6
	0	0	0
	0	0	0
	0	0	0
History	15	9	6

Games since
	Main 15	Standard 9		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	5	2.5	50	0	1432.2	1432.2
Standard	5	2.5	50	0	1432.2	1432.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	12.5	83.33	283.3	1286.4	1569.7
Standard	9	6.5	72.22	188.9	1325.9	1514.8
Rapid	6	6	100	425	1227.1	1652.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1347.7	1311.3	1309.4	1200
2025-09-30	1328.6	1276	1309.4	1200
2025-09-01	1328.6	1276	1309.4	1200
2025-08-01	1328.6	1276	1309.4	1200
2025-07-01	1328.6	1276	1309.4	1200
2025-06-01	1328.6	1276	1309.4	1200
2025-05-01	1328.6	1276	1309.4	1200
2025-04-01	1328.6	1276	1309.4	1200
2025-03-01	1328.6	1276	1309.4	1200
2025-02-01	1328.6	1276	1309.4	1200
2025-01-01	1328.6	1276	1309.4	1200
2024-12-01	1328.6	1276	1309.4	1200
2024-11-01	1328.6	1276	1309.4	1200
2024-10-01	1286.1	1276	1243.2	1200
2024-09-01	1232	1200	1243.2	1200
2024-08-01	1232	1200	1243.2	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	2025 Gauteng Top Schools Teams (U19)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	2.5	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	2.5	Yes	Analysis
2	Gauteng Top Schools 2024 (U19 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	4	4	Yes	Analysis
3	2024 D6 Team Finals (U19)	2024-08-02	2024-08-02	Standard	Ekurhuleni (GE)	5	4	4	Yes	Analysis
4	2024 D6 Teams (Pool B U19)	2024-07-13	2024-07-13	Rapid	Ekurhuleni (GE)	3	2	2	Yes	Analysis

#	Games	Start				End
1	12	Tournament 2024 D6 Teams				Tournament 2025 Gauteng Top Schools Teams
		date 2024-07-13	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 2	type Standard	result 1
		Opponent Mamabolo, K (Kylel)				Opponent Matsunyane, E (Edwin)
2	1	Tournament 2025 Gauteng Top Schools Teams				Tournament 2025 Gauteng Top Schools Teams
		date 2025-08-30	rnd 5	type Standard	result 0.5	date 2025-08-30	rnd 5	type Standard	result 0.5
		Opponent Seroadi, T (Thato)				Opponent Seroadi, T (Thato)

#	Games	Start				End
1	4	Tournament 2024 D6 Team Finals				Tournament 2024 D6 Team Finals
		date 2024-08-02	rnd 2	type Standard	result 1	date 2024-08-02	rnd 5	type Standard	result 1
		Opponent Mashigo, A (Amogelang)				Opponent Jacobs, T (Tiaan)

#	Games	Start				End
1	6	Tournament 2024 D6 Teams				Tournament Gauteng Top Schools 2024
		date 2024-07-13	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Mamabolo, K (Kylel)				Opponent Phaladi, N (Neo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament 2024 D6 Teams				Tournament Gauteng Top Schools 2024
		date 2024-07-13	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Mamabolo, K (Kylel)				Opponent Phaladi, N (Neo)

#	Games	Start				End
1	4	Tournament 2024 D6 Team Finals				Tournament 2024 D6 Team Finals
		date 2024-08-02	rnd 2	type Standard	result 1	date 2024-08-02	rnd 5	type Standard	result 1
		Opponent Mashigo, A (Amogelang)				Opponent Jacobs, T (Tiaan)

#	Games	Start				End
1	6	Tournament 2024 D6 Teams				Tournament Gauteng Top Schools 2024
		date 2024-07-13	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Mamabolo, K (Kylel)				Opponent Phaladi, N (Neo)

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	Phatladira ,K (Karabo)	1	1	425	1	1	425	0	0	0	0	0	0
1	Phatladira ,K (Karabo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Khoza ,A (Andani)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Khoza ,A (Andani)	1	1660.5	1235.5	1	1656.3	1235.5	0	0	0	0	0	0
3	Seroadi ,T (Thato)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Seroadi ,T (Thato)	1	1501.4	1501.4	1	1507.4	1501.4	0	0	0	0	0	0
4	Mosito ,N (Neo)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mosito ,N (Neo)	1	1269.1	1694.1	1	1283.5	1694.1	0	0	0	0	0	0
5	Matsunyane ,E (Edwin)	1	1	425	1	1	425	0	0	0	0	0	0
5	Matsunyane ,E (Edwin)	1	1274.6	1699.6	1	1288.7	1699.6	0	0	0	0	0	0
6	Ferreira ,H (Hechter)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ferreira ,H (Hechter)	1	1455.4	1030.4	1	1453.8	1030.4	0	0	0	0	0	0
7	Jacobs ,T (Tiaan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Jacobs ,T (Tiaan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Mamabolo ,K (Kylel)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mamabolo ,K (Kylel)	1	1140.2	1565.2	1	1128.8	1565.2	0	0	0	0	0	0
9	Mashigo ,A (Amogelang)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mashigo ,A (Amogelang)	1	1231.8	1656.8	1	1181.6	1656.8	0	0	0	0	0	0
10	Sekwati ,J (Joshua Koketso)	1	1	425	0	0	0	1	1	425	0	0	0
10	Sekwati ,J (Joshua Koketso)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Kubheka, 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