Chess South Africa Ratings Database

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Personal

Shumba, O (Onalerona)

Chess SA id

2110143648

FIDE id

Date of birth

2011-07-21 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1098.9	1104.6	1174.3	1200
Raw rating	1098.9	1104.6	1174.3	1200
Weighted rating	1096.6	1102.6	1173.1	1200
Weighted performance	709.4	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	191.5	190	172	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 2020-01-01	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 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1098.9	1104.6	1174.3	1200
Analysis
Rating	1098.9	1104.6	1174.3	1200
Raw rating	1098.9	1104.6	1174.3	1200
Weighted rating	1096.6	1102.6	1173.1
Weighted performance	709.4	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	191.5	190	172	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	1098.9	1104.6	1174.3	1200
New weighted rating	1096.7	1102.6	1173.2	1200
New weighted performance	703.5	0	0	0
Temp new rating	1098.9	1104.6	1174.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1098.9	1104.6	1174.3	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	5	0
	14	11	3
	21	0	21
	0	0	0
History	40	16	24

Games since
	Main 8	Standard 5		Rapid 3		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	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	40	16	40	-85	1175.8	1090.8
Standard	16	5	31.25	-159.4	1174.8	1015.4
Rapid	24	11	45.83	-35.4	1176.4	1141
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1098.9	1104.6	1174.3	1200
2025-09-30	1098.9	1104.6	1174.3	1200
2025-09-01	1098.9	1104.6	1174.3	1200
2025-08-01	1098.9	1104.6	1174.3	1200
2025-07-01	1098.9	1104.6	1174.3	1200
2025-06-01	1098.9	1104.6	1174.3	1200
2025-05-01	1098.9	1104.6	1174.3	1200
2025-04-01	1098.9	1104.6	1174.3	1200
2025-03-01	1098.9	1104.6	1174.3	1200
2025-02-01	1098.9	1104.6	1174.3	1200
2025-01-01	1090.6	1097.2	1170.8	1200
2024-12-01	1090.6	1097.2	1170.8	1200
2024-11-01	1090.6	1097.2	1170.8	1200
2024-10-01	1090.6	1097.2	1170.8	1200
2024-09-01	1090.6	1097.2	1170.8	1200
2024-08-01	1090.6	1097.2	1170.8	1200
2024-07-01	1090.6	1097.2	1170.8	1200
2024-09-01	1090.6	1097.2	1170.8	1200
2024-05-01	1090.6	1097.2	1170.8	1200
2024-04-01	1090.6	1097.2	1170.8	1200
2024-03-01	1090.6	1097.2	1170.8	1200
2024-02-01	1117.5	1125.6	1170.8	1200
2024-01-01	1117.5	1125.6	1170.8	1200
2023-12-01	1117.5	1125.6	1170.8	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	CT Metro Central District Schools Chess Individuals Trials 2024 (U13 Girls)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	1.5	Yes	Analysis
2	Gugulethu Chess College Bashment Cup 2023 (U13)	2023-12-06	2023-12-06	Rapid	Cape Town (WCT)	5	3	1	Yes	Analysis
3	Cape Town Metro Schools Chess Closed Individuals 2023 (U13 Girls)	2023-02-03	2023-03-04	Standard	Cape Town (WCT)	6	5	1	Yes	Analysis
4	Central District School Trials 2023 (U13 Girls)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
5	Summer Slam 2022 (C)	2022-12-13	2022-12-13	Rapid	Cape Town (WCT)	6	5	2	Yes	Analysis
6	2022 Bashment Cup (U11)	2022-12-09	2022-12-09	Rapid	Cape Town (WCT)	5	5	3.5	Yes	Analysis
7	Metro Rapid 2022 (U11 Girls)	2022-10-22	2022-10-22	Rapid	Cape Town (WCT)	5	5	2.5	Yes	Analysis
8	Curro Durbanville Chess Open Rapid 2022 (U12)	2022-07-02	2022-07-02	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2022 Bashment Cup				Tournament 2022 Bashment Cup
		date 2022-12-09	rnd 2	type Rapid	result 1	date 2022-12-09	rnd 5	type Rapid	result 1
		Opponent Maseti, L (Lindokuhle)				Opponent Qoto, A (Asivile)
2	3	Tournament Central District School Trials 2023				Tournament Central District School Trials 2023
		date 2023-02-04	rnd 4	type Standard	result 1	date 2023-02-04	rnd 6	type Standard	result 1
		Opponent Ernstzen, U (Ummaymah)				Opponent Leng, K (Keva)
3	2	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 4	type Standard	result 0.5	date 2023-03-04	rnd 5	type Standard	result 0.5
		Opponent Mavuso, T (Thimna)				Opponent Solomons, C (Candice)

#	Games	Start				End
1	3	Tournament Central District School Trials 2023				Tournament Central District School Trials 2023
		date 2023-02-04	rnd 4	type Standard	result 1	date 2023-02-04	rnd 6	type Standard	result 1
		Opponent Ernstzen, U (Ummaymah)				Opponent Leng, K (Keva)
2	2	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 4	type Standard	result 0.5	date 2023-03-04	rnd 5	type Standard	result 0.5
		Opponent Mavuso, T (Thimna)				Opponent Solomons, C (Candice)
3	1	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 5	type Standard	result 0.5	date 2024-02-03	rnd 5	type Standard	result 0.5
		Opponent Musvasvi, K (Kelly)				Opponent Musvasvi, K (Kelly)

#	Games	Start				End
1	4	Tournament 2022 Bashment Cup				Tournament 2022 Bashment Cup
		date 2022-12-09	rnd 2	type Rapid	result 1	date 2022-12-09	rnd 5	type Rapid	result 1
		Opponent Maseti, L (Lindokuhle)				Opponent Qoto, A (Asivile)
2	2	Tournament Metro Rapid 2022				Tournament Metro Rapid 2022
		date 2022-10-22	rnd 3	type Rapid	result 0.5	date 2022-10-22	rnd 4	type Rapid	result 1
		Opponent Barnes, A (Asiyah)				Opponent Spinnler, E (Elizabeth Hendrina)
3	2	Tournament Curro Durbanville Chess Open Rapid 2022				Tournament Metro Rapid 2022
		date 2022-07-02	rnd 6	type Rapid	result 1	date 2022-10-22	rnd 1	type Rapid	result 1
		Opponent Gusha, A (Anovuyo)				Opponent Qoto, A (Asivile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2022 Bashment Cup				Tournament 2022 Bashment Cup
		date 2022-12-09	rnd 4	type Rapid	result 1	date 2022-12-09	rnd 5	type Rapid	result 1
		Opponent Mavuso, L (Lusiphe)				Opponent Qoto, A (Asivile)
2	2	Tournament Curro Durbanville Chess Open Rapid 2022				Tournament Metro Rapid 2022
		date 2022-07-02	rnd 6	type Rapid	result 1	date 2022-10-22	rnd 1	type Rapid	result 1
		Opponent Gusha, A (Anovuyo)				Opponent Qoto, A (Asivile)
3	1	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Maseti, L (Lindokuhle)				Opponent Maseti, L (Lindokuhle)

#	Games	Start				End
1	1	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Maseti, L (Lindokuhle)				Opponent Maseti, L (Lindokuhle)
2	1	Tournament Central District School Trials 2023				Tournament Central District School Trials 2023
		date 2023-02-04	rnd 6	type Standard	result 1	date 2023-02-04	rnd 6	type Standard	result 1
		Opponent Leng, K (Keva)				Opponent Leng, K (Keva)
3	1	Tournament Central District School Trials 2023				Tournament Central District School Trials 2023
		date 2023-02-04	rnd 4	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Ernstzen, U (Ummaymah)				Opponent Ernstzen, U (Ummaymah)

#	Games	Start				End
1	2	Tournament 2022 Bashment Cup				Tournament 2022 Bashment Cup
		date 2022-12-09	rnd 4	type Rapid	result 1	date 2022-12-09	rnd 5	type Rapid	result 1
		Opponent Mavuso, L (Lusiphe)				Opponent Qoto, A (Asivile)
2	2	Tournament Curro Durbanville Chess Open Rapid 2022				Tournament Metro Rapid 2022
		date 2022-07-02	rnd 6	type Rapid	result 1	date 2022-10-22	rnd 1	type Rapid	result 1
		Opponent Gusha, A (Anovuyo)				Opponent Qoto, A (Asivile)
3	1	Tournament Gugulethu Chess College Bashment Cup 2023				Tournament Gugulethu Chess College Bashment Cup 2023
		date 2023-12-06	rnd 5	type Rapid	result 1	date 2023-12-06	rnd 5	type Rapid	result 1
		Opponent Sibotho, K (Khayone)				Opponent Sibotho, K (Khayone)

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	Iuzhakova ,H (Heidi)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Iuzhakova ,H (Heidi)	2	1231.9	806.9	1	1200	806.9	1	1210.8	806.9	0	0	0
2	Mavuso ,T (Thimna)	2	1	0	1	0.5	0	1	0.5	0	0	0	0
2	Mavuso ,T (Thimna)	2	1097.6	1097.6	1	1125.6	1097.6	1	1144.8	1097.6	0	0	0
3	Maseti ,L (Lindokuhle)	2	2	425	1	1	425	1	1	425	0	0	0
3	Maseti ,L (Lindokuhle)	2	1157.7	1582.7	1	1160.8	1582.7	1	1170.4	1582.7	0	0	0
4	Mavuso ,L (Lusiphe)	2	1	0	0	0	0	2	1	0	0	0	0
4	Mavuso ,L (Lusiphe)	2	1142.7	1142.7	0	0	0	2	1159.4	1142.7	0	0	0
5	Qoto ,A (Asivile)	2	2	425	0	0	0	2	2	425	0	0	0
5	Qoto ,A (Asivile)	2	1100.6	1525.6	0	0	0	2	1154.6	1525.6	0	0	0
6	Opperman ,L (Larah)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Opperman ,L (Larah)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Solomons ,C (Candice)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Solomons ,C (Candice)	1	1174.3	1174.3	1	1233.6	1174.3	0	0	0	0	0	0
8	Jassiem ,I (Iman)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Jassiem ,I (Iman)	1	1197.3	772.3	1	1213.2	772.3	0	0	0	0	0	0
9	Mwenda ,S (Sasha)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mwenda ,S (Sasha)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Ernstzen ,U (Ummaymah)	1	1	425	1	1	425	0	0	0	0	0	0
10	Ernstzen ,U (Ummaymah)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Shumba, O (Onalerona)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms