Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sodayisi, B (Bonga)

Chess SA id

1000118507

FIDE id

Date of birth

2000-06-30 (Adult)

Gender

Male

Region

Amathole (EAL)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-05-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1363.5	1347.3	1305.9	1171.9
Raw rating	1363.5	1347.3	1305.9	1171.9
Weighted rating	1363	1346.9	1305.5	1171.8
Weighted performance	1005.5	950	0	0
Floor	872.6	855.7	836	700
K-factor	36	36	36	36
Min/Max rating change allowed	131.4	134.4	142.6	172.6
Highest rating	1372.6 2024-02-01	1355.7 2024-02-01	1627.3 2023-03-01	1200 2018-10-01
Highest raw rating	1372.6 2024-02-01	1355.7 2024-02-01	1336 2023-04-01	1200 2019-12-01
Highest weighted rating	1372.6 2025-06-01	1355.7 2025-06-01	1336 2025-02-01	1200 2018-10-01
Highest weighted performance	1334.4 2023-09-01	1200 2018-01-01	1627.3 2023-03-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1363.5	1347.3	1305.9	1171.9
Analysis
Rating	1363.5	1347.3	1305.9	1171.9
Raw rating	1363.5	1347.3	1305.9	1171.9
Weighted rating	1363	1346.9	1305.5
Weighted performance	1005.5	950	0
K-factor	36	36	36	36
Floor	872.6	855.7	836	700
Max/Min rating change allowed	131.4	134.4	142.6	172.6
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	1363.5	1347.3	1305.9	1171.9
New weighted rating	1362.9	1346.8	1305.6	1171.8
New weighted performance	1005	949.6	0	0
Temp new rating	1363.5	1347.3	1305.9	1171.9
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1363.5	1347.3	1305.9	1171.9
New K-factor	36	36	36	36
New floor	872.6	855.7	836	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	5	5	0	0
	43	16	20	7
	15	15	0	0
	0	0	0	0
History	73	46	20	7

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Amathole (EAL)
Province	Eastern Cape (EC)
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	73	46	63.01	110.6	1246.3	1356.9
Standard	46	28.5	61.96	101.6	1224	1325.6
Rapid	20	14.5	72.5	191.2	1293.6	1484.8
Blitz	7	3	42.86	-60.7	1257.7	1197

Date	Main	Standard	Rapid	Blitz
2025-09-30	1363.5	1347.3	1305.9	1171.9
2025-09-01	1363.5	1347.3	1305.9	1171.9
2025-08-01	1363.5	1347.3	1305.9	1171.9
2025-07-01	1363.5	1347.3	1305.9	1171.9
2025-06-01	1363.5	1347.3	1305.9	1171.9
2025-05-01	1363.5	1347.2	1305.9	1171.9
2025-04-01	1363.1	1346.6	1305.9	1171.9
2025-03-01	1362.5	1345.7	1305.9	1171.9
2025-02-01	1361.6	1344.6	1305.9	1171.9
2025-01-01	1359.8	1344.2	1305	1171.6
2024-12-01	1359.8	1344.2	1305	1171.6
2024-11-01	1359.8	1344.2	1305	1171.6
2024-10-01	1359.8	1344.2	1305	1171.6
2024-09-01	1359.8	1344.2	1305	1171.6
2024-08-01	1359.8	1344.2	1305	1171.6
2024-07-01	1359.8	1344.2	1305	1171.6
2024-06-01	1359.8	1344.2	1305	1171.6
2024-08-01	1372.6	1355.7	1305	1171.6
2024-04-01	1372.6	1355.7	1305	1171.6
2024-03-01	1372.6	1355.7	1305	1171.6
2024-02-01	1372.6	1355.7	1305	1171.6
2024-01-01	1372.6	1355.7	1305	1171.6
2023-12-01	1372.6	1355.7	1305	1171.6
2023-11-01	1372.6	1355.7	1305	1171.6

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	WSU May Event 2024 (A)	2024-05-11	2024-05-11	Standard	OR Tambo (EOR)	5	5	3	Yes	Analysis
2	WSU September Rapid 2023 (A)	2023-09-09	2023-09-09	Rapid	OR Tambo (EOR)	7	7	5	Yes	Analysis
3	EC InterVarsity Chess Championship 2023 (Open)	2023-08-11	2023-08-11	Rapid	Sarah Baartman (ESB)	6	6	2.5	Yes	Analysis
4	EC Students Team League 2023 (A)	2023-04-22	2023-08-05	Standard	Amathole (EAL)	14	11	7.5	Yes	Analysis
5	Sihambasonke Chess Club Youth Day Event 2023 (B)	2023-06-16	2023-06-16	Standard	Amathole (EAL)	5	5	4.5	Yes	Analysis
6	WSU Chess Club 2023 (Blitz)	2023-05-13	2023-05-13	Blitz	Amathole (EAL)	7	7	3	Yes	Analysis
7	WSU March Rapid 2023	2023-03-18	2023-03-18	Rapid	Amathole (EAL)	7	7	7	Yes	Analysis
8	UFH Open 2023 (B)	2023-03-25	2023-03-25	Standard	Amathole (EAL)	5	0	0	No	Analysis
9	OR Tambo Open 2022 (B)	2022-11-19	2022-11-20	Standard	OR Tambo (EOR)	7	1	0	Yes	Analysis
10	EC Students Team League 2022 (A)	2022-08-20	2022-09-17	Standard	Amathole (EAL)	10	9	4.5	Yes	Analysis
11	Sihambasonke Chess Club Youth Day Tournament 2022 (B)	2022-07-02	2022-07-02	Standard	OR Tambo (EOR)	5	5	4	Yes	Analysis
12	South Park Valentinez Open 2020 (A)	2020-02-22	2020-02-22	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
13	Vikings League 3 of 6 2019 (B)	2019-08-24	2019-08-24	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis

#	Games	Start				End
1	8	Tournament WSU Chess Club 2023				Tournament EC Students Team League 2023
		date 2023-05-13	rnd 7	type Blitz	result 1	date 2023-08-05	rnd 12	type Standard	result 1
		Opponent Mukgolobetsi, N (Neo)				Opponent Nkqayi, K (Kanyisa)
2	8	Tournament WSU March Rapid 2023				Tournament EC Students Team League 2023
		date 2023-03-18	rnd 1	type Rapid	result 1	date 2023-04-22	rnd 1	type Standard	result 1
		Opponent Oyiya, L (Lihle)				Opponent Qobo, Q (Qhawe)
3	6	Tournament WSU September Rapid 2023				Tournament WSU September Rapid 2023
		date 2023-09-09	rnd 2	type Rapid	result 1	date 2023-09-09	rnd 7	type Rapid	result 0.5
		Opponent Madikizela, S (Siyambonga)				Opponent Nyusani, A (Ande)

#	Games	Start				End
1	8	Tournament EC Students Team League 2023				Tournament EC Students Team League 2023
		date 2023-05-06	rnd 9	type Standard	result 0.5	date 2023-08-05	rnd 12	type Standard	result 1
		Opponent Mxenge, A (Afika)				Opponent Nkqayi, K (Kanyisa)
2	4	Tournament EC Students Team League 2023				Tournament EC Students Team League 2023
		date 2023-04-22	rnd 3	type Standard	result 1	date 2023-05-06	rnd 6	type Standard	result 1
		Opponent Mathabathe, K (Kagiso)				Opponent Jauza, N (Ntando)
3	4	Tournament EC Students Team League 2022				Tournament EC Students Team League 2022
		date 2022-08-20	rnd 3	type Standard	result 1	date 2022-09-03	rnd 7	type Standard	result 1
		Opponent Mzizi, O (Olwethu)				Opponent Mkhwanazi, N (Ntando)

#	Games	Start				End
1	8	Tournament WSU March Rapid 2023				Tournament EC InterVarsity Chess Championship 2023
		date 2023-03-18	rnd 1	type Rapid	result 1	date 2023-08-11	rnd 1	type Rapid	result 1
		Opponent Oyiya, L (Lihle)				Opponent Mxenge, A (Afika)
2	6	Tournament WSU September Rapid 2023				Tournament WSU September Rapid 2023
		date 2023-09-09	rnd 2	type Rapid	result 1	date 2023-09-09	rnd 7	type Rapid	result 0.5
		Opponent Madikizela, S (Siyambonga)				Opponent Nyusani, A (Ande)
3	2	Tournament EC InterVarsity Chess Championship 2023				Tournament EC InterVarsity Chess Championship 2023
		date 2023-08-11	rnd 3	type Rapid	result 0.5	date 2023-08-11	rnd 4	type Rapid	result 0.5
		Opponent Moeti, P (Phenyo)				Opponent Magxala, T (Talent)

#	Games	Start				End
1	1	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 7	type Blitz	result 1	date 2023-05-13	rnd 7	type Blitz	result 1
		Opponent Mukgolobetsi, N (Neo)				Opponent Mukgolobetsi, N (Neo)
2	1	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 5	type Blitz	result 1	date 2023-05-13	rnd 5	type Blitz	result 1
		Opponent Jikijela, L (Lubanzi)				Opponent Jikijela, L (Lubanzi)
3	1	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 2	type Blitz	result 1	date 2023-05-13	rnd 2	type Blitz	result 1
		Opponent Mahlazane, P (Prince)				Opponent Mahlazane, P (Prince)

#	Games	Start				End
1	8	Tournament WSU March Rapid 2023				Tournament EC Students Team League 2023
		date 2023-03-18	rnd 1	type Rapid	result 1	date 2023-04-22	rnd 1	type Standard	result 1
		Opponent Oyiya, L (Lihle)				Opponent Qobo, Q (Qhawe)
2	4	Tournament WSU Chess Club 2023				Tournament Sihambasonke Chess Club Youth Day Event 2023
		date 2023-05-13	rnd 7	type Blitz	result 1	date 2023-06-16	rnd 3	type Standard	result 1
		Opponent Mukgolobetsi, N (Neo)				Opponent Sahluko, E (Emihle)
3	4	Tournament EC Students Team League 2023				Tournament EC Students Team League 2023
		date 2023-04-22	rnd 3	type Standard	result 1	date 2023-05-06	rnd 6	type Standard	result 1
		Opponent Mathabathe, K (Kagiso)				Opponent Jauza, N (Ntando)

#	Games	Start				End
1	4	Tournament EC Students Team League 2023				Tournament EC Students Team League 2023
		date 2023-04-22	rnd 3	type Standard	result 1	date 2023-05-06	rnd 6	type Standard	result 1
		Opponent Mathabathe, K (Kagiso)				Opponent Jauza, N (Ntando)
2	4	Tournament EC Students Team League 2022				Tournament EC Students Team League 2022
		date 2022-08-20	rnd 3	type Standard	result 1	date 2022-09-03	rnd 7	type Standard	result 1
		Opponent Mzizi, O (Olwethu)				Opponent Mkhwanazi, N (Ntando)
3	3	Tournament WSU May Event 2024				Tournament WSU May Event 2024
		date 2024-05-11	rnd 3	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Chauke, V (Vutshila)				Opponent Nkwebu, N (Nkosiyethu)

#	Games	Start				End
1	8	Tournament WSU March Rapid 2023				Tournament EC InterVarsity Chess Championship 2023
		date 2023-03-18	rnd 1	type Rapid	result 1	date 2023-08-11	rnd 1	type Rapid	result 1
		Opponent Oyiya, L (Lihle)				Opponent Mxenge, A (Afika)
2	2	Tournament WSU September Rapid 2023				Tournament WSU September Rapid 2023
		date 2023-09-09	rnd 5	type Rapid	result 1	date 2023-09-09	rnd 6	type Rapid	result 1
		Opponent Ndabeni, S (Sikhokele)				Opponent Mbopha, N (Ntlantla)
3	2	Tournament WSU September Rapid 2023				Tournament WSU September Rapid 2023
		date 2023-09-09	rnd 2	type Rapid	result 1	date 2023-09-09	rnd 3	type Rapid	result 1
		Opponent Madikizela, S (Siyambonga)				Opponent Mlindazwe, L (Luvuyo Junior)

#	Games	Start				End
1	1	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 7	type Blitz	result 1	date 2023-05-13	rnd 7	type Blitz	result 1
		Opponent Mukgolobetsi, N (Neo)				Opponent Mukgolobetsi, N (Neo)
2	1	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 5	type Blitz	result 1	date 2023-05-13	rnd 5	type Blitz	result 1
		Opponent Jikijela, L (Lubanzi)				Opponent Jikijela, L (Lubanzi)
3	1	Tournament WSU Chess Club 2023				Tournament WSU Chess Club 2023
		date 2023-05-13	rnd 2	type Blitz	result 1	date 2023-05-13	rnd 2	type Blitz	result 1
		Opponent Mahlazane, P (Prince)				Opponent Mahlazane, P (Prince)

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	Jauza ,N (Ntando)	3	1	-141.7	2	1	0	0	0	0	1	0	-425
1	Jauza ,N (Ntando)	3	1263	1121.3	2	1298.7	1263	0	0	0	1	1200	838
2	Nyusani ,A (Ande)	3	2.5	283.3	1	1	425	2	1.5	212.5	0	0	0
2	Nyusani ,A (Ande)	3	1292.5	1575.8	1	1288.6	1717.5	2	1207.8	1505	0	0	0
3	Mzizi ,O (Olwethu)	2	1	0	2	1	0	0	0	0	0	0	0
3	Mzizi ,O (Olwethu)	2	1163.5	1163.5	2	1163.8	1163.5	0	0	0	0	0	0
4	Jonono ,O (Onele)	2	1.5	212.5	1	0.5	0	1	1	425	0	0	0
4	Jonono ,O (Onele)	2	1321.3	1533.8	1	1331.3	1321.3	1	1200	1746.3	0	0	0
5	Mxenge ,A (Afika)	2	1.5	212.5	1	0.5	0	1	1	425	0	0	0
5	Mxenge ,A (Afika)	2	1439.1	1651.6	1	1432.1	1439.1	1	1317.3	1864.1	0	0	0
6	Mihlali ,N (Nomandela)	2	1.5	212.5	1	0.5	0	1	1	425	0	0	0
6	Mihlali ,N (Nomandela)	2	1393.4	1605.9	1	1389.3	1393.4	1	1180.4	1818.4	0	0	0
7	Mbopha ,N (Ntlantla)	2	2	425	1	1	425	1	1	425	0	0	0
7	Mbopha ,N (Ntlantla)	2	1220.6	1645.6	1	1200	1645.6	1	1200	1645.6	0	0	0
8	Moeti ,P (Phenyo)	2	1	0	0	0	0	2	1	0	0	0	0
8	Moeti ,P (Phenyo)	2	1337.7	1337.7	0	0	0	2	949.4	1337.7	0	0	0
9	Nkatana ,P (Philasande)	2	0	-425	0	0	0	1	0	-425	1	0	-425
9	Nkatana ,P (Philasande)	2	1409.4	984.4	0	0	0	1	1220.6	984.4	1	1156.2	984.4
10	Madikizela ,S (Siyambonga)	2	1	0	0	0	0	1	1	425	1	0	-425
10	Madikizela ,S (Siyambonga)	2	1197.9	1197.9	0	0	0	1	1200.8	1622.9	1	1200	772.9

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Sodayisi, B (Bonga)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms