Chess South Africa Ratings Database

PLAYER PAGE

Personal

Silwana, Y (Yamkela)

Chess SA id

204061758

FIDE id

Date of birth

2004-12-16 (Adult)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1159.2	1160.6	851	851
Raw rating	1159.2	1160.6	851	851
Weighted rating	1159.2	1160.6	851	851
Weighted performance	323.1	322.2	0	0
Floor	659.2	660.6	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	175.7	175.4	272.6	272.6
Highest rating	1263.1 2019-02-01	1263.7 2019-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1159.2 2024-02-01	1160.6 2024-02-01	851 2024-02-01	851 2024-02-01
Highest weighted rating	1159.2 2024-11-01	1160.6 2024-11-01	851 2024-11-01	851 2024-11-01
Highest weighted performance	1263.1 2019-02-01	1263.7 2019-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1159.2	1160.6	851	851
Analysis
Rating	1159.2	1160.6	851	851
Raw rating	1159.2	1160.6	851	851
Weighted rating	1159.2	1160.6	851
Weighted performance	323.1	322.2	0
K-factor	40	40	40	40
Floor	659.2	660.6	500	500
Max/Min rating change allowed	175.7	175.4	272.6	272.6
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	1159.2	1160.6	851	851
New weighted rating	1159.2	1160.6	851	851
New weighted performance	322.7	321.8	0	0
Temp new rating	1159.2	1160.6	851	851
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1159.2	1160.6	851	851
New K-factor	40	40	40	40
New floor	659.2	660.6	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	133	119	14

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-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	37	22	59.46	80.4	1120.5	1200.9
Standard	37	22	59.46	80.4	1120.5	1200.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1159.2	1160.6	851	851
2025-09-01	1159.2	1160.6	851	851
2025-08-01	1159.2	1160.6	851	851
2025-07-01	1159.2	1160.6	851	851
2025-06-01	1159.2	1160.6	851	851
2025-05-01	1159.2	1160.6	851	851
2025-04-01	1159.2	1160.6	851	851
2025-03-01	1159.2	1160.6	851	851
2025-02-01	1159.2	1160.6	851	851
2025-01-01	1159.2	1160.6	851	851
2024-12-01	1159.2	1160.6	851	851
2024-11-01	1159.2	1160.6	851	851
2024-10-01	1159.2	1160.6	851	851
2024-09-01	1159.2	1160.6	851	851
2024-08-01	1159.2	1160.6	851	851
2024-07-01	1159.2	1160.6	851	851
2024-06-01	1159.2	1160.6	851	851
2024-08-01	1159.2	1160.6	851	851
2024-04-01	1159.2	1160.6	851	851
2024-03-01	1159.2	1160.6	851	851
2024-02-01	1159.2	1160.6	851	851
2024-01-01	1159.2	1160.6	851	851
2023-12-01	1159.2	1160.6	851	851
2023-11-01	1159.2	1160.6	851	851

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	2020 Metro Trials (U18 Girls)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	5	3.5	Yes	Analysis
2	2020 East District Individuals (U18)	2020-01-31	2020-02-01	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
3	Western Cape Top Schools 2019 (U18 Girls)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
4	Metro School Chess Closed Individual Trials 2019 (U15 Girls)	2019-03-01	2019-03-02	Standard	Cape Town (WCT)	6	5	1	Yes	Analysis
5	2019 Metro-East District Schools Trials (U15)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
6	Western Cape Top Schools 2018 (U15-U19 Girls)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	5	3.5	Yes	Analysis
7	Stellenberg Youth Chess Champs 2018 (B)	2018-06-22	2018-06-23	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament Western Cape Top Schools 2018				Tournament 2019 Metro-East District Schools Trials
		date 2018-08-26	rnd 4	type Standard	result 1	date 2019-02-02	rnd 4	type Standard	result 1
		Opponent Goedeman, E (Elzaan)				Opponent Mbotyi, L (Lizalise)
2	5	Tournament Western Cape Top Schools 2019				Tournament 2020 East District Individuals
		date 2019-08-31	rnd 2	type Standard	result 1	date 2020-01-31	rnd 2	type Standard	result 1
		Opponent Olivier, E (Elginay)				Opponent Baartman, L (Lisa)
3	2	Tournament 2020 Metro Trials				Tournament 2020 Metro Trials
		date 2020-03-14	rnd 4	type Standard	result 1	date 2020-03-14	rnd 5	type Standard	result 0.5
		Opponent Ngcebetsha, O (Olwethu)				Opponent Nkomo, A (Amahle)

#	Games	Start				End
1	6	Tournament Western Cape Top Schools 2018				Tournament 2019 Metro-East District Schools Trials
		date 2018-08-26	rnd 4	type Standard	result 1	date 2019-02-02	rnd 4	type Standard	result 1
		Opponent Goedeman, E (Elzaan)				Opponent Mbotyi, L (Lizalise)
2	5	Tournament Western Cape Top Schools 2019				Tournament 2020 East District Individuals
		date 2019-08-31	rnd 2	type Standard	result 1	date 2020-01-31	rnd 2	type Standard	result 1
		Opponent Olivier, E (Elginay)				Opponent Baartman, L (Lisa)
3	2	Tournament 2020 Metro Trials				Tournament 2020 Metro Trials
		date 2020-03-14	rnd 4	type Standard	result 1	date 2020-03-14	rnd 5	type Standard	result 0.5
		Opponent Ngcebetsha, O (Olwethu)				Opponent Nkomo, A (Amahle)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Western Cape Top Schools 2018				Tournament 2019 Metro-East District Schools Trials
		date 2018-08-26	rnd 4	type Standard	result 1	date 2019-02-02	rnd 4	type Standard	result 1
		Opponent Goedeman, E (Elzaan)				Opponent Mbotyi, L (Lizalise)
2	5	Tournament Western Cape Top Schools 2019				Tournament 2020 East District Individuals
		date 2019-08-31	rnd 2	type Standard	result 1	date 2020-01-31	rnd 2	type Standard	result 1
		Opponent Olivier, E (Elginay)				Opponent Baartman, L (Lisa)
3	2	Tournament 2020 Metro Trials				Tournament 2020 Metro Trials
		date 2020-03-13	rnd 1	type Standard	result 1	date 2020-03-14	rnd 2	type Standard	result 1
		Opponent Jakuja, A (Ayabulela)				Opponent Makhethe, D (Dikopo)

#	Games	Start				End
1	6	Tournament Western Cape Top Schools 2018				Tournament 2019 Metro-East District Schools Trials
		date 2018-08-26	rnd 4	type Standard	result 1	date 2019-02-02	rnd 4	type Standard	result 1
		Opponent Goedeman, E (Elzaan)				Opponent Mbotyi, L (Lizalise)
2	5	Tournament Western Cape Top Schools 2019				Tournament 2020 East District Individuals
		date 2019-08-31	rnd 2	type Standard	result 1	date 2020-01-31	rnd 2	type Standard	result 1
		Opponent Olivier, E (Elginay)				Opponent Baartman, L (Lisa)
3	2	Tournament 2020 Metro Trials				Tournament 2020 Metro Trials
		date 2020-03-13	rnd 1	type Standard	result 1	date 2020-03-14	rnd 2	type Standard	result 1
		Opponent Jakuja, A (Ayabulela)				Opponent Makhethe, D (Dikopo)

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	Olivier ,E (Elginay)	2	2	425	2	2	425	0	0	0	0	0	0
1	Olivier ,E (Elginay)	2	837	1262	2	841.8	1262	0	0	0	0	0	0
2	Carew ,C (Chloe)	2	1	0	2	1	0	0	0	0	0	0	0
2	Carew ,C (Chloe)	2	1085.2	1085.2	2	1078.2	1085.2	0	0	0	0	0	0
3	Mbotyi ,L (Lizalise)	2	1	0	2	1	0	0	0	0	0	0	0
3	Mbotyi ,L (Lizalise)	2	1189.4	1189.4	2	1188.7	1189.4	0	0	0	0	0	0
4	Naidoo ,T (Thushani)	2	1	0	2	1	0	0	0	0	0	0	0
4	Naidoo ,T (Thushani)	2	1057.6	1057.6	2	1062.3	1057.6	0	0	0	0	0	0
5	Stephanus ,M (Melissa)	2	1	0	2	1	0	0	0	0	0	0	0
5	Stephanus ,M (Melissa)	2	1054.7	1054.7	2	1044	1054.7	0	0	0	0	0	0
6	Jakuja ,A (Ayabulela)	1	1	425	1	1	425	0	0	0	0	0	0
6	Jakuja ,A (Ayabulela)	1	1081.8	1506.8	1	1065.2	1506.8	0	0	0	0	0	0
7	Lindeque ,D (Dylan-Jay)	1	1	425	1	1	425	0	0	0	0	0	0
7	Lindeque ,D (Dylan-Jay)	1	1242.2	1667.2	1	1250.8	1667.2	0	0	0	0	0	0
8	Baartman ,L (Lisa)	1	1	425	1	1	425	0	0	0	0	0	0
8	Baartman ,L (Lisa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Ngcebetsha ,O (Olwethu)	1	1	425	1	1	425	0	0	0	0	0	0
9	Ngcebetsha ,O (Olwethu)	1	1135.3	1560.3	1	1122.4	1560.3	0	0	0	0	0	0
10	Deim ,D (Divan)	1	1	425	1	1	425	0	0	0	0	0	0
10	Deim ,D (Divan)	1	1212.7	1637.7	1	1218.8	1637.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Silwana, Y (Yamkela)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms