Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, E (Emma)

Chess SA id

205061420

FIDE id

Date of birth

2005-08-31 (Adult)

Gender

Female

Region

ZF Mgcawu (NZF)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-10-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1356.1	1353.6	1115	759.8
Raw rating	1356.1	1353.6	1115	759.8
Weighted rating	1356.1	1353.4	1111.1	759.8
Weighted performance	755.5	747.6	0	0
Floor	856.1	858.5	615	500
K-factor	36	36	40	40
Min/Max rating change allowed	132.8	133.2	187.2	310.5
Highest rating	1358.3 2020-02-01	1358.5 2023-03-01	1200 2018-01-01	1200 2018-01-01
Highest raw rating	1356.1 2024-02-01	1358.5 2023-03-01	1115 2024-02-01	759.8 2024-02-01
Highest weighted rating	1356.1 2025-08-01	1358.5 2024-01-01	1115 2024-11-01	759.8 2024-11-01
Highest weighted performance	1358.3 2020-02-01	1356.8 2020-02-01	1200 2018-01-01	1200 2018-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1356.1	1353.6	1115	759.8
Analysis
Rating	1356.1	1353.6	1115	759.8
Raw rating	1356.1	1353.6	1115	759.8
Weighted rating	1356.1	1353.4	1111.1
Weighted performance	755.5	747.6	0
K-factor	36	36	40	40
Floor	856.1	858.5	615	500
Max/Min rating change allowed	132.8	133.2	187.2	310.5
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	1356.1	1353.6	1115	759.8
New weighted rating	1356.1	1353.4	1113.7	759.8
New weighted performance	755.1	747.2	0	0
Temp new rating	1356.1	1353.6	1115	759.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1356.1	1353.6	1115	759.8
New K-factor	36	36	40	40
New floor	856.1	858.5	615	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	11	11	0	0
	0	0	0	0
	0	0	0	0
History	257	237	10	10

Games since
	Main 6	Standard 6		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	ZF Mgcawu (NZF)
Province	Northern Cape (NC)
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	143	87	60.84	92.1	1046.7	1138.8
Standard	128	79	61.72	99.6	1043.5	1143.2
Rapid	5	3	60	85	1062.2	1147.2
Blitz	10	5	50	0	1079.1	1079.1

Date	Main	Standard	Rapid	Blitz
2025-09-30	1356.1	1353.6	1115	759.8
2025-09-01	1356.1	1353.6	1115	759.8
2025-08-01	1356.1	1353.6	1115	759.8
2025-07-01	1356.1	1353.6	1115	759.8
2025-06-01	1356.1	1353.6	1115	759.8
2025-05-01	1356.1	1353.6	1115	759.8
2025-04-01	1356.1	1353.6	1115	759.8
2025-03-01	1356.1	1353.6	1115	759.8
2025-02-01	1356.1	1353.6	1115	759.8
2025-01-01	1356.1	1353.1	1115	759.8
2024-12-01	1356.1	1353.1	1115	759.8
2024-11-01	1356.1	1353.1	1115	759.8
2024-10-01	1356.1	1353.1	1115	759.8
2024-09-01	1356.1	1353.1	1115	759.8
2024-08-01	1356.1	1353.1	1115	759.8
2024-07-01	1356.1	1353.1	1115	759.8
2024-06-01	1356.1	1353.1	1115	759.8
2024-08-01	1356.1	1353.1	1115	759.8
2024-04-01	1356.1	1353.1	1115	759.8
2024-03-01	1356.1	1353.1	1115	759.8
2024-02-01	1356.1	1353.1	1115	759.8
2024-01-01	1356.1	1353.1	1115	759.8
2023-12-01	1356.1	1353.1	724.6	759.8
2023-11-01	1356.1	1353.1	724.6	759.8

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	Paarl Boys High Chess Festival 2023 (Elite Division)	2023-10-13	2023-10-14	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
2	Grey College Team Championship 2023 (A)	2023-02-03	2023-02-04	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
3	Mangaung Metro Chess February 2020 (B)	2020-02-21	2020-02-22	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
4	Grey College Team Championship 2020 (A)	2020-01-31	2020-02-01	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
5	2019 South African Junior Team Championships (U16C)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
6	Mangaung Metro Chess October 2019 (B)	2019-10-11	2019-10-12	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
7	Mangaung Metro July Trials 2019 (U16 Girls)	2019-07-19	2019-07-20	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
8	Inter Regional Chess Championship 2019 (U14-U18 Girls)	2019-05-10	2019-05-11	Standard	Mangaung (FMB)	5	5	5	Yes	Analysis
9	Mangaung Metro Chess 1-2 February 2019 (C)	2019-02-01	2019-02-02	Standard	Mangaung (FMB)	5	5	2.5	Yes	Analysis
10	Grey College Team Championship 2019 (B)	2019-02-22	2019-02-23	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
11	Mangaung Metro Chess 18-19 January 2019 (C)	2019-01-18	2019-01-19	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
12	South African Junior Team Championships 2018 (U14D)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
13	Mangaung Metro Chess12 & 13 October 2018 (Girls)	2018-10-12	2018-10-13	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
14	Courteney Page 2018 (Ladies)	2018-09-07	2018-09-08	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
15	South African Open 2018 (C)	2018-07-11	2018-07-13	Standard	Mangaung (FMB)	6	6	2	Yes	Analysis
16	King's Guard Chess Club Blitz III Tournament 2018	2018-06-24	2018-06-24	Blitz	ZF Mgcawu (NZF)	5	5	3	Yes	Analysis
17	King's Guard Chess Club Blitz II Tournament 2018	2018-06-23	2018-06-23	Rapid	ZF Mgcawu (NZF)	5	5	3	Yes	Analysis
18	King`s Guard Chess Club Blitz I Tournament 2018	2018-06-22	2018-06-22	Blitz	ZF Mgcawu (NZF)	5	5	2	Yes	Analysis
19	Mangaung Metro Chess 1-2 June 2018 (C)	2018-06-01	2018-06-02	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
20	Inter Regional 2018 (U14 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	1.5	Yes	Analysis
21	Mangaung Metro Chess 20-21 April 2018 (C)	2018-04-20	2018-04-21	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
22	ZF Mgcawu Schools District Open Chess Tournament 2018 (U13-U18 Girls)	2018-03-17	2018-03-17	Standard	ZF Mgcawu (NZF)	5	5	5	Yes	Analysis
23	ZF Mgcawu Inter-Region Open Trials (Qualifier 2)	2018-03-24	2018-03-24	Standard	ZF Mgcawu (NZF)	5	5	4	Yes	Analysis
24	Mangaung Metro Chess 9 - 10 March 2018 (D)	2018-03-09	2018-03-10	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
25	ZF Mgcawu Qualifier Open Chess Tournament 2018 (C)	2018-02-17	2018-02-17	Standard	ZF Mgcawu (NZF)	5	5	3	Yes	Analysis
26	Mangaung Metro Chess 2 & 3 February 2018 (D)	2018-02-02	2018-02-03	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
27	South African Junior Team Championships 2017 (U14B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	0	Yes	Analysis

#	Games	Start				End
1	10	Tournament Mangaung Metro Chess 9 - 10 March 2018				Tournament ZF Mgcawu Inter-Region Open Trials
		date 2018-03-10	rnd 4	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Adams, A (Aubrey)				Opponent West, E (Ethan)
2	7	Tournament Grey College Team Championship 2020				Tournament Mangaung Metro Chess February 2020
		date 2020-01-31	rnd 2	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Sohe, L (Lwandile)				Opponent Jordaan, W (Wian)
3	6	Tournament Mangaung Metro Chess 2 & 3 February 2018				Tournament ZF Mgcawu Qualifier Open Chess Tournament 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-02-17	rnd 3	type Standard	result 1
		Opponent Minnaar, A (Ammoret)				Opponent Andries, D (Devitihano)

#	Games	Start				End
1	10	Tournament Mangaung Metro Chess 9 - 10 March 2018				Tournament ZF Mgcawu Inter-Region Open Trials
		date 2018-03-10	rnd 4	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Adams, A (Aubrey)				Opponent West, E (Ethan)
2	7	Tournament Grey College Team Championship 2020				Tournament Mangaung Metro Chess February 2020
		date 2020-01-31	rnd 2	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Sohe, L (Lwandile)				Opponent Jordaan, W (Wian)
3	6	Tournament Mangaung Metro Chess 2 & 3 February 2018				Tournament ZF Mgcawu Qualifier Open Chess Tournament 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-02-17	rnd 3	type Standard	result 1
		Opponent Minnaar, A (Ammoret)				Opponent Andries, D (Devitihano)

#	Games	Start				End
1	2	Tournament King's Guard Chess Club Blitz II Tournament 2018				Tournament King's Guard Chess Club Blitz II Tournament 2018
		date 2018-06-23	rnd 3	type Rapid	result 1	date 2018-06-23	rnd 4	type Rapid	result 1
		Opponent West, W (William)				Opponent Kuhn, J (Johannes Nicolaas)
2	1	Tournament King's Guard Chess Club Blitz II Tournament 2018				Tournament King's Guard Chess Club Blitz II Tournament 2018
		date 2018-06-23	rnd 1	type Rapid	result 1	date 2018-06-23	rnd 1	type Rapid	result 1
		Opponent Tseka, G (Gerald)				Opponent Tseka, G (Gerald)

#	Games	Start				End
1	3	Tournament King's Guard Chess Club Blitz III Tournament 2018				Tournament King's Guard Chess Club Blitz III Tournament 2018
		date 2018-06-24	rnd 2	type Blitz	result 1	date 2018-06-24	rnd 4	type Blitz	result 1
		Opponent Botha, L (Lika)				Opponent Basson, A (Abigail)
2	1	Tournament King`s Guard Chess Club Blitz I Tournament 2018				Tournament King`s Guard Chess Club Blitz I Tournament 2018
		date 2018-06-22	rnd 4	type Blitz	result 1	date 2018-06-22	rnd 4	type Blitz	result 1
		Opponent Botha, L (Lika)				Opponent Botha, L (Lika)
3	1	Tournament King`s Guard Chess Club Blitz I Tournament 2018				Tournament King`s Guard Chess Club Blitz I Tournament 2018
		date 2018-06-22	rnd 1	type Blitz	result 1	date 2018-06-22	rnd 1	type Blitz	result 1
		Opponent Tseka, G (Gerald)				Opponent Tseka, G (Gerald)

#	Games	Start				End
1	10	Tournament Mangaung Metro Chess 9 - 10 March 2018				Tournament ZF Mgcawu Inter-Region Open Trials
		date 2018-03-10	rnd 4	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Adams, A (Aubrey)				Opponent West, E (Ethan)
2	6	Tournament Mangaung Metro Chess 2 & 3 February 2018				Tournament ZF Mgcawu Qualifier Open Chess Tournament 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-02-17	rnd 3	type Standard	result 1
		Opponent Minnaar, A (Ammoret)				Opponent Andries, D (Devitihano)
3	5	Tournament Grey College Team Championship 2020				Tournament Mangaung Metro Chess February 2020
		date 2020-01-31	rnd 2	type Standard	result 1	date 2020-02-21	rnd 1	type Standard	result 1
		Opponent Sohe, L (Lwandile)				Opponent De Klerk, A (Abigail)

#	Games	Start				End
1	10	Tournament Mangaung Metro Chess 9 - 10 March 2018				Tournament ZF Mgcawu Inter-Region Open Trials
		date 2018-03-10	rnd 4	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Adams, A (Aubrey)				Opponent West, E (Ethan)
2	6	Tournament Mangaung Metro Chess 2 & 3 February 2018				Tournament ZF Mgcawu Qualifier Open Chess Tournament 2018
		date 2018-02-03	rnd 3	type Standard	result 1	date 2018-02-17	rnd 3	type Standard	result 1
		Opponent Minnaar, A (Ammoret)				Opponent Andries, D (Devitihano)
3	5	Tournament Grey College Team Championship 2020				Tournament Mangaung Metro Chess February 2020
		date 2020-01-31	rnd 2	type Standard	result 1	date 2020-02-21	rnd 1	type Standard	result 1
		Opponent Sohe, L (Lwandile)				Opponent De Klerk, A (Abigail)

#	Games	Start				End
1	2	Tournament King's Guard Chess Club Blitz II Tournament 2018				Tournament King's Guard Chess Club Blitz II Tournament 2018
		date 2018-06-23	rnd 3	type Rapid	result 1	date 2018-06-23	rnd 4	type Rapid	result 1
		Opponent West, W (William)				Opponent Kuhn, J (Johannes Nicolaas)
2	1	Tournament King's Guard Chess Club Blitz II Tournament 2018				Tournament King's Guard Chess Club Blitz II Tournament 2018
		date 2018-06-23	rnd 1	type Rapid	result 1	date 2018-06-23	rnd 1	type Rapid	result 1
		Opponent Tseka, G (Gerald)				Opponent Tseka, G (Gerald)

#	Games	Start				End
1	3	Tournament King's Guard Chess Club Blitz III Tournament 2018				Tournament King's Guard Chess Club Blitz III Tournament 2018
		date 2018-06-24	rnd 2	type Blitz	result 1	date 2018-06-24	rnd 4	type Blitz	result 1
		Opponent Botha, L (Lika)				Opponent Basson, A (Abigail)
2	1	Tournament King`s Guard Chess Club Blitz I Tournament 2018				Tournament King`s Guard Chess Club Blitz I Tournament 2018
		date 2018-06-22	rnd 4	type Blitz	result 1	date 2018-06-22	rnd 4	type Blitz	result 1
		Opponent Botha, L (Lika)				Opponent Botha, L (Lika)
3	1	Tournament King`s Guard Chess Club Blitz I Tournament 2018				Tournament King`s Guard Chess Club Blitz I Tournament 2018
		date 2018-06-22	rnd 1	type Blitz	result 1	date 2018-06-22	rnd 1	type Blitz	result 1
		Opponent Tseka, G (Gerald)				Opponent Tseka, G (Gerald)

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	Botha ,L (Lika)	5	5	425	3	3	425	0	0	0	2	2	425
1	Botha ,L (Lika)	5	886.1	1311.1	3	856.5	1311.1	0	0	0	2	719.6	1311.1
2	Minnaar ,A (Ammoret)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
2	Minnaar ,A (Ammoret)	4	892.1	1104.6	4	892	1104.6	0	0	0	0	0	0
3	Bosch ,A (Altus)	4	0.5	-318.8	2	0.5	-212.5	1	0	-425	1	0	-425
3	Bosch ,A (Altus)	4	1219.7	900.9	2	1168.5	1007.2	1	1108.2	794.7	1	901.4	794.7
4	Venter ,I (Imche)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
4	Venter ,I (Imche)	3	985.1	1126.8	3	981.6	1126.8	0	0	0	0	0	0
5	Jordaan ,W (Wian)	3	3	425	3	3	425	0	0	0	0	0	0
5	Jordaan ,W (Wian)	3	1063.1	1488.1	3	1060.7	1488.1	0	0	0	0	0	0
6	Basson ,A (Abigail)	3	1	-141.7	0	0	0	1	0	-425	2	1	0
6	Basson ,A (Abigail)	3	1095.8	954.1	0	0	0	1	947.8	670.8	2	947.8	1095.8
7	Serfontein ,C (Christiaan Jacobus)	2	1	0	2	1	0	0	0	0	0	0	0
7	Serfontein ,C (Christiaan Jacobus)	2	1213.2	1213.2	2	1210.8	1213.2	0	0	0	0	0	0
8	Maile ,E (Edward)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Maile ,E (Edward)	2	1234.4	809.4	2	1230.7	809.4	0	0	0	0	0	0
9	West ,E (Ethan)	2	1	0	2	1	0	0	0	0	0	0	0
9	West ,E (Ethan)	2	750.1	750.1	2	757.8	750.1	0	0	0	0	0	0
10	Lebenya ,A (Agnes)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Lebenya ,A (Agnes)	2	872.5	1084.9	2	867.7	1084.9	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 (Emma)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms