Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, E (Emily)

Chess SA id

210086678

FIDE id

Date of birth

2010-07-16 (U16)

Gender

Female

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-09-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1315.9	1262.8	1217.6	1200
Raw rating	1315.9	1262.8	1217.6	1200
Weighted rating	1315.9	1262.8	1217.6	1200
Weighted performance	965.2	915.5	0	0
Floor	815.9	762.8	717.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	140.6	151.6	161.7	165.8
Highest rating	1334.4 2023-09-01	1276.5 2023-09-01	1217.6 2024-03-01	1200 2018-10-01
Highest raw rating	1315.9 2024-03-01	1262.8 2024-03-01	1217.6 2024-03-01	1200 2024-03-01
Highest weighted rating	1315.9 2025-08-01	1262.8 2025-08-01	1217.6 2025-02-01	1200 2018-10-01
Highest weighted performance	1334.4 2023-09-01	1276.5 2023-09-01	1200 2018-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1315.9	1262.8	1217.6	1200
Analysis
Rating	1315.9	1262.8	1217.6	1200
Raw rating	1315.9	1262.8	1217.6	1200
Weighted rating	1315.9	1262.8	1217.6
Weighted performance	965.2	915.5	0
K-factor	36	36	36	36
Floor	815.9	762.8	717.6	700
Max/Min rating change allowed	140.6	151.6	161.7	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	1315.9	1262.8	1217.6	1200
New weighted rating	1315.9	1262.8	1217.6	1200
New weighted performance	957.2	907.7	0	0
Temp new rating	1315.9	1262.8	1217.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1315.9	1262.8	1217.6	1200
New K-factor	36	36	36	36
New floor	815.9	762.8	717.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	26	20	6
	0	0	0
	0	0	0
History	78	56	22

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	64	33	51.56	13.3	1184.1	1197.4
Standard	52	26	50	0	1187.9	1187.9
Rapid	12	7	58.33	70.8	1167.8	1238.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1315.9	1262.8	1217.6	1200
2025-09-30	1315.9	1262.8	1217.6	1200
2025-09-01	1315.9	1262.8	1217.6	1200
2025-08-01	1315.9	1262.8	1217.6	1200
2025-07-01	1315.9	1262.8	1217.6	1200
2025-06-01	1315.9	1262.8	1217.6	1200
2025-05-01	1315.9	1262.8	1217.6	1200
2025-04-01	1315.9	1262.8	1217.6	1200
2025-03-01	1315.9	1262.8	1217.6	1200
2025-02-01	1315.9	1262.8	1217.6	1200
2025-01-01	1315.9	1262.8	1217.6	1200
2024-12-01	1315.9	1262.8	1217.6	1200
2024-11-01	1315.9	1262.8	1217.6	1200
2024-10-01	1315.9	1262.8	1217.6	1200
2024-09-01	1315.9	1262.8	1217.6	1200
2024-08-01	1315.9	1262.8	1217.6	1200
2024-07-01	1315.9	1262.8	1217.6	1200
2024-09-01	1315.9	1262.8	1217.6	1200
2024-05-01	1315.9	1262.8	1217.6	1200
2024-04-01	1315.9	1262.8	1217.6	1200
2024-03-01	1315.9	1262.8	1217.6	1200
2024-02-01	1315.9	1262.8	1217.6	1200
2024-01-01	1315.9	1262.8	1217.6	1200
2023-12-01	1315.9	1262.8	1217.6	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	Western Cape Top Schools 2023 (U13 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	5	4	Yes	Analysis
2	Overberg Top Schools 2023 (U13)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
3	Western Cape PS Individuals 2023 (U13 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
4	Overberg School Chess Closed Tournament 2023 (U13 Girls)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
5	Overberg Schools Bredasdorp Zone Trails 2023 (U13)	2023-02-16	2023-03-02	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
6	Overberg Closed 2020 (U11 Girls)	2020-03-15	2020-03-15	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
7	OCF Chess Tournament 2 2020 (U12)	2020-02-01	2020-02-01	Standard	Overberg (WOS)	5	4	0.5	Yes	Analysis
8	Western Cape Schools Individuals 2019 (U9 Girls)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	2.5	Yes	Analysis
9	Overberg School Chess Close Champs 2019 (U9 Girls)	2019-03-08	2019-03-09	Standard	Overberg (WOS)	6	6	5	Yes	Analysis
10	VRT Pitt Open 2018 (U10)	2018-06-02	2018-06-02	Rapid	Overberg (WOS)	6	6	2	Yes	Analysis
11	Overberg 2nd Trial 2018 (U10)	2018-05-05	2018-05-05	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
12	Overberg Schools Closed 2018 (U9 Girls)	2018-03-23	2018-03-24	Standard	Overberg (WOS)	6	6	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Overberg Closed 2020				Tournament Overberg Schools Bredasdorp Zone Trails 2023
		date 2020-03-15	rnd 5	type Standard	result 1	date 2023-03-02	rnd 4	type Rapid	result 1
		Opponent Groenewald, J (Jessica)				Opponent Vigaro, L (Luciano)
2	3	Tournament Overberg Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-08-05	rnd 4	type Standard	result 1	date 2023-09-02	rnd 2	type Standard	result 1
		Opponent Van Rooyen, W (Willem)				Opponent Ganjana, N (Namndikhona)
3	3	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-18	rnd 2	type Standard	result 1	date 2019-05-18	rnd 4	type Standard	result 0.5
		Opponent Ngcobo, Z (Zethu)				Opponent Coetzee, K (Kara)

#	Games	Start				End
1	5	Tournament Overberg 2nd Trial 2018				Tournament Overberg School Chess Close Champs 2019
		date 2018-05-05	rnd 4	type Standard	result 1	date 2019-03-08	rnd 3	type Standard	result 1
		Opponent Such, J (Jean)				Opponent Linde, M (Morgan)
2	3	Tournament Overberg Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-08-05	rnd 4	type Standard	result 1	date 2023-09-02	rnd 2	type Standard	result 1
		Opponent Van Rooyen, W (Willem)				Opponent Ganjana, N (Namndikhona)
3	3	Tournament Western Cape Schools Individuals 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-05-18	rnd 2	type Standard	result 1	date 2019-05-18	rnd 4	type Standard	result 0.5
		Opponent Ngcobo, Z (Zethu)				Opponent Coetzee, K (Kara)

#	Games	Start				End
1	4	Tournament Overberg Schools Bredasdorp Zone Trails 2023				Tournament Overberg Schools Bredasdorp Zone Trails 2023
		date 2023-02-16	rnd 1	type Rapid	result 1	date 2023-03-02	rnd 4	type Rapid	result 1
		Opponent Swarts, A (Anesto)				Opponent Vigaro, L (Luciano)
2	2	Tournament VRT Pitt Open 2018				Tournament VRT Pitt Open 2018
		date 2018-06-02	rnd 2	type Rapid	result 1	date 2018-06-02	rnd 3	type Rapid	result 1
		Opponent Walker, Q (Quinn)				Opponent Carelsen, C (Colan)
3	1	Tournament Overberg Schools Bredasdorp Zone Trails 2023				Tournament Overberg Schools Bredasdorp Zone Trails 2023
		date 2023-03-02	rnd 6	type Rapid	result 1	date 2023-03-02	rnd 6	type Rapid	result 1
		Opponent Arends, S (Sylvia)				Opponent Arends, S (Sylvia)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Overberg Closed 2020				Tournament Overberg Schools Bredasdorp Zone Trails 2023
		date 2020-03-15	rnd 5	type Standard	result 1	date 2023-03-02	rnd 4	type Rapid	result 1
		Opponent Groenewald, J (Jessica)				Opponent Vigaro, L (Luciano)
2	3	Tournament Overberg Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-08-05	rnd 4	type Standard	result 1	date 2023-09-02	rnd 2	type Standard	result 1
		Opponent Van Rooyen, W (Willem)				Opponent Ganjana, N (Namndikhona)
3	3	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg School Chess Close Champs 2019
		date 2019-03-08	rnd 1	type Standard	result 1	date 2019-03-08	rnd 3	type Standard	result 1
		Opponent Magida, S (Sinawo)				Opponent Linde, M (Morgan)

#	Games	Start				End
1	5	Tournament Overberg 2nd Trial 2018				Tournament Overberg School Chess Close Champs 2019
		date 2018-05-05	rnd 4	type Standard	result 1	date 2019-03-08	rnd 3	type Standard	result 1
		Opponent Such, J (Jean)				Opponent Linde, M (Morgan)
2	3	Tournament Overberg Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-08-05	rnd 4	type Standard	result 1	date 2023-09-02	rnd 2	type Standard	result 1
		Opponent Van Rooyen, W (Willem)				Opponent Ganjana, N (Namndikhona)
3	2	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-03	rnd 5	type Standard	result 1	date 2023-09-03	rnd 6	type Standard	result 1
		Opponent Arries, G (Geroneeze)				Opponent Saayman, M (Miljenay)

#	Games	Start				End
1	4	Tournament Overberg Schools Bredasdorp Zone Trails 2023				Tournament Overberg Schools Bredasdorp Zone Trails 2023
		date 2023-02-16	rnd 1	type Rapid	result 1	date 2023-03-02	rnd 4	type Rapid	result 1
		Opponent Swarts, A (Anesto)				Opponent Vigaro, L (Luciano)
2	2	Tournament VRT Pitt Open 2018				Tournament VRT Pitt Open 2018
		date 2018-06-02	rnd 2	type Rapid	result 1	date 2018-06-02	rnd 3	type Rapid	result 1
		Opponent Walker, Q (Quinn)				Opponent Carelsen, C (Colan)
3	1	Tournament Overberg Schools Bredasdorp Zone Trails 2023				Tournament Overberg Schools Bredasdorp Zone Trails 2023
		date 2023-03-02	rnd 6	type Rapid	result 1	date 2023-03-02	rnd 6	type Rapid	result 1
		Opponent Arends, S (Sylvia)				Opponent Arends, S (Sylvia)

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	Linde ,M (Morgan)	4	1	-212.5	3	1	-141.7	1	0	-425	0	0	0
1	Linde ,M (Morgan)	4	1209.6	997.1	3	1209.6	1067.9	1	1200	784.6	0	0	0
2	Valentine ,L (Luke)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Valentine ,L (Luke)	2	1159.6	734.6	2	1172.2	734.6	0	0	0	0	0	0
3	Brink ,S (Samantha)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
3	Brink ,S (Samantha)	2	1113.8	901.3	1	1052.1	1113.8	1	831.6	688.8	0	0	0
4	De Villiers ,D (Daniella)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	De Villiers ,D (Daniella)	2	923.3	498.3	1	814.6	498.3	1	814.6	498.3	0	0	0
5	Thiart ,A (Annelie)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Thiart ,A (Annelie)	1	1207	782	1	1200	782	0	0	0	0	0	0
6	Du Plessis ,L (Luc)	1	1	425	1	1	425	0	0	0	0	0	0
6	Du Plessis ,L (Luc)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Mhandu ,J (Judith)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Mhandu ,J (Judith)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
8	Heydenrych ,J (Jana)	1	1	425	1	1	425	0	0	0	0	0	0
8	Heydenrych ,J (Jana)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Reid ,H (Hannah)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Reid ,H (Hannah)	1	1280.6	855.6	1	1263.5	855.6	0	0	0	0	0	0
10	Hendricks ,L (Lakeisha)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Hendricks ,L (Lakeisha)	1	1083.3	658.3	1	1026.8	658.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Botha, E (Emily)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms