Chess South Africa Ratings Database

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Personal

Ntlahla, A (Anathi)

Chess SA id

209093031

FIDE id

Date of birth

2009-11-01 (U18)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1339.2	1292.3	1329.1	1200
Raw rating	1284.8	1233.4	1329.1	1200
Weighted rating	1339.2	1292.3	1328.6	1200
Weighted performance	1132.4	1003.3	1095.1	0
Floor	917.2	889.4	829.6	700
K-factor	32	36	36	36
Min/Max rating change allowed	146.9	158.1	138	165.8
Highest rating	1467.1 2022-10-01	1464.2 2022-10-01	1334 2020-02-01	1200 2018-10-01
Highest raw rating	1417.2 2024-03-01	1389.4 2024-03-01	1329.6 2024-03-01	1200 2024-03-01
Highest weighted rating	1417.2 2024-09-01	1389.4 2024-09-01	1326.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1467.1 2022-10-01	1464.2 2022-10-01	1334 2020-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-4.9	-5.5	0	0
New rating	1334.3	1286.8	1329.1	1200
Analysis
Rating	1339.2	1292.3	1329.1	1200
Raw rating	1284.8	1233.4	1329.1	1200
Weighted rating	1339.2	1292.3	1328.6
Weighted performance	1132.4	1003.3	1095.1
K-factor	32	36	36	36
Floor	917.2	889.4	829.6	700
Max/Min rating change allowed	146.9	158.1	138	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	1284.8	1233.4	1329.1	1200
New weighted rating	1334.3	1286.8	1329	1200
New weighted performance	1124.5	995.4	1087.4	0
Temp new rating	1334.3	1286.8	1329.1	1200
Temp new rating +/-	-4.9	-5.5	0	0
Final new rating +/-	-4.9	-5.5	0	0
New rating	1334.3	1286.8	1329.1	1200
New K-factor	32	36	36	36
New floor	917.2	889.4	829.6	700

Item	Main	Standard	Rapid
	0	0	0
	12	6	6
	21	15	6
	34	16	18
	38	33	5
	0	0	0
History	190	112	78

Games since
	Main 33	Standard 21		Rapid 12		Blitz 0
Gender	Female
Age group	U18
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	12	3.5	29.17	-177.1	1402.6	1225.6
Standard	6	0	0	-425	1456	1031
Rapid	6	3.5	58.33	70.8	1349.3	1420.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	190	98.5	51.84	15.7	1219.8	1235.5
Standard	112	54	48.21	-15.2	1217.3	1202.1
Rapid	78	44.5	57.05	59.9	1223.4	1283.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1284.8	1233.4	1329.1	1200
2025-09-30	1352	1301.1	1329.1	1200
2025-09-01	1352	1301.1	1329.1	1200
2025-08-01	1352	1301.1	1329.1	1200
2025-07-01	1352	1301.1	1329.1	1200
2025-06-01	1342.5	1301.1	1329.6	1200
2025-05-01	1342.5	1301.1	1329.6	1200
2025-04-01	1342.5	1301.1	1329.6	1200
2025-03-01	1342.5	1301.1	1329.6	1200
2025-02-01	1339.8	1298.1	1329.6	1200
2025-01-01	1299.2	1249	1329.6	1200
2024-12-01	1299.2	1249	1329.6	1200
2024-11-01	1299.2	1249	1329.6	1200
2024-10-01	1299.2	1249	1329.6	1200
2024-09-01	1372.8	1323.9	1329.6	1200
2024-08-01	1372.8	1323.9	1329.6	1200
2024-07-01	1372.8	1323.9	1329.6	1200
2024-09-01	1372.8	1323.9	1329.6	1200
2024-05-01	1372.8	1323.9	1329.6	1200
2024-04-01	1372.8	1323.9	1329.6	1200
2024-03-01	1417.2	1389.4	1329.6	1200
2024-02-01	1399.4	1389.4	1288.9	1200
2024-01-01	1323.9	1299	1288.9	1200
2023-12-01	1323.9	1299	1288.9	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Chess Federation Club League 2025 (C)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	5	0	Yes	Analysis
2	Cape Town Chess Federation Club League 2025 (D)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	1	0	Yes	Analysis
3	Cape Winelands Queens 2025 (Open)	2025-06-21	2025-06-21	Rapid	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Chess Federation Club League 2025 (C)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	5	0	Yes	Analysis
2	Cape Town Chess Federation Club League 2025 (D)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	1	0	Yes	Analysis
3	Cape Winelands Queens 2025 (Open)	2025-06-21	2025-06-21	Rapid	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
4	CT League 2024 (B)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	1	0	Yes	Analysis
5	CT League 2024 (C)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	4	0	Yes	Analysis
6	Cape Winelands Schools - Prestige 2024 (U15 Girls)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
7	Cape Winelands Schools - HS Trials 1 2024 (U15 Girls)	2024-02-17	2024-02-17	Rapid	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
8	Cape Winelands - Marie Delport Memorial 2024 (Ladies)	2024-01-27	2024-01-28	Standard	Cape Winelands (WCW)	6	5	5	Yes	Analysis
9	Worcester Knock-Out 2023 (U15 Girls)	2023-10-14	2023-10-14	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
10	Bonnievale Open Rapid 2023 (Intermediate)	2023-10-21	2023-10-21	Rapid	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
11	WP Club League 2023 (C)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	3	1	Yes	Analysis
12	WP Club League 2023 (D2)	2023-08-05	2023-08-26	Standard	Cape Town (WCT)	6	1	1	Yes	Analysis
13	Cape Winelands Open 2023 (Intermediate)	2023-07-22	2023-07-23	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
14	Steinitz Open 2023 (D)	2023-05-27	2023-05-27	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
15	Marie Delport Memorial 2023 (Ladies)	2023-01-21	2023-01-21	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
16	2022 Western Province Club League (D)	2022-08-27	2022-10-01	Standard	Cape Town (WCT)	7	2	2	Yes	Analysis
17	2022 Western Province Club League (Junior)	2022-08-27	2022-09-17	Standard	Cape Town (WCT)	7	1	1	Yes	Analysis
18	Western Cape Top Schools 2022 (U13 Girls)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
19	Western Cape Closed Championship 2022 (U14)	2022-09-24	2022-09-24	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
20	Cape Winelands Schools Top Schools 2022 (U13 Girls)	2022-08-27	2022-08-27	Standard	Cape Winelands (WCW)	5	4	2	Yes	Analysis
21	Western Cape Schools 2022 (U13 Girls)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
22	Rhenish Primary Tournament 2022 (U14)	2022-05-14	2022-05-14	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
23	Drakenstein Pioneers Open 2022 (B)	2022-03-26	2022-03-26	Standard	Cape Winelands (WCW)	5	5	0.5	Yes	Analysis
24	Cape Winelands Schools 2022 (U13 Girls)	2022-03-12	2022-03-12	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
25	Nelson Mandela Rapid 2020 (Primary School)	2020-02-01	2020-02-01	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
26	2020 Welgemoed Chess Challenge (U12)	2020-02-29	2020-02-29	Rapid	Cape Town (WCT)	5	5	4	Yes	Analysis
27	Cape Winelands Schools Trials 1 2020 (U11 Girls)	2020-02-08	2020-02-08	Rapid	Cape Winelands (WCW)	6	6	5	Yes	Analysis
28	2019 South African Junior Team Championships (U12 Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	1	Yes	Analysis
29	Western Cape Top Schools 2019 (U11 Girls)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
30	2019 Western Province League (E)	2019-07-27	2019-08-10	Standard	Cape Town (WCT)	9	1	1	Yes	Analysis
31	Cape Winelands Schools - Top Schools 2019 (U11+U13 Girls)	2019-07-27	2019-07-27	Rapid	Cape Winelands (WCW)	5	4	1	Yes	Analysis
32	2018 Western Province League (E)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	7	2	0	Yes	Analysis
33	Paul Roos Open Championship 2018 (C)	2018-09-22	2018-09-23	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
34	Western Cape Top Schools 2018 (U7+U9 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
35	Cape Winelands Schools Chess - Top Schools 2018 (U9+U11 Mix)	2018-07-28	2018-07-28	Rapid	Cape Winelands (WCW)	5	4	2	Yes	Analysis
36	Western Cape Schools Individuals 2018 (U9 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
37	Inter Regional 2018 (U10 Individual)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	4	1	Yes	Analysis
38	Rhenish Primary Chess Tournament 2018 (U10)	2018-05-12	2018-05-12	Rapid	Cape Winelands (WCW)	7	7	4	Yes	Analysis
39	Cape Winelands Schools Trials 1 2018 (U9 Girls)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
40	Cape Winelands Schools Prestige 2018 (U9 Girls)	2018-03-24	2018-03-25	Standard	Cape Winelands (WCW)	7	7	3.5	Yes	Analysis
41	Welgemoed Chess Challenge 2018 (U10)	2018-02-24	2018-02-24	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	9	Tournament Cape Winelands - Marie Delport Memorial 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-01-27	rnd 2	type Standard	result 1	date 2024-02-17	rnd 4	type Rapid	result 1
		Opponent Mbambalala, O (Owam)				Opponent Segelaar, R (Revean)
2	7	Tournament Western Cape Closed Championship 2022				Tournament Marie Delport Memorial 2023
		date 2022-09-24	rnd 4	type Standard	result 0.5	date 2023-01-21	rnd 3	type Standard	result 1
		Opponent Jikajika, I (Iminathi)				Opponent Viljoen, L (Lienka)
3	6	Tournament Cape Winelands Schools Trials 1 2020				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-08	rnd 4	type Rapid	result 1	date 2020-02-29	rnd 3	type Rapid	result 1
		Opponent Kirchner, T (Tatum)				Opponent Van Niekerk, JH (Johann)

#	Games	Start				End
1	7	Tournament Western Cape Closed Championship 2022				Tournament Marie Delport Memorial 2023
		date 2022-09-24	rnd 4	type Standard	result 0.5	date 2023-01-21	rnd 3	type Standard	result 1
		Opponent Jikajika, I (Iminathi)				Opponent Viljoen, L (Lienka)
2	5	Tournament Cape Winelands - Marie Delport Memorial 2024				Tournament Cape Winelands - Marie Delport Memorial 2024
		date 2024-01-27	rnd 2	type Standard	result 1	date 2024-01-28	rnd 6	type Standard	result 1
		Opponent Mbambalala, O (Owam)				Opponent Johnson, L (Lakeisha)
3	4	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-31	rnd 2	type Standard	result 1	date 2019-09-01	rnd 5	type Standard	result 1
		Opponent Jacobs, S (Sensemecia)				Opponent Kruger, C (Carmen)

#	Games	Start				End
1	6	Tournament Cape Winelands Schools Trials 1 2020				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-08	rnd 4	type Rapid	result 1	date 2020-02-29	rnd 3	type Rapid	result 1
		Opponent Kirchner, T (Tatum)				Opponent Van Niekerk, JH (Johann)
2	6	Tournament Cape Winelands Schools Trials 1 2018				Tournament Rhenish Primary Chess Tournament 2018
		date 2018-03-03	rnd 5	type Rapid	result 1	date 2018-05-12	rnd 4	type Rapid	result 1
		Opponent Fredericks, A (Anoeska)				Opponent Xethu, A (Abulele)
3	5	Tournament Nelson Mandela Rapid 2020				Tournament Nelson Mandela Rapid 2020
		date 2020-02-01	rnd 1	type Rapid	result 1	date 2020-02-01	rnd 5	type Rapid	result 1
		Opponent King, I (Isabella)				Opponent Naude, J (Jan-Daniel)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Cape Winelands - Marie Delport Memorial 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-01-27	rnd 2	type Standard	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Mbambalala, O (Owam)				Opponent Du Plessis, M (Madelein)
2	6	Tournament Western Cape Closed Championship 2022				Tournament Marie Delport Memorial 2023
		date 2022-09-24	rnd 5	type Standard	result 1	date 2023-01-21	rnd 3	type Standard	result 1
		Opponent Dangazele, S (Sibabalwe)				Opponent Viljoen, L (Lienka)
3	6	Tournament Cape Winelands Schools Trials 1 2020				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-08	rnd 4	type Rapid	result 1	date 2020-02-29	rnd 3	type Rapid	result 1
		Opponent Kirchner, T (Tatum)				Opponent Van Niekerk, JH (Johann)

#	Games	Start				End
1	6	Tournament Western Cape Closed Championship 2022				Tournament Marie Delport Memorial 2023
		date 2022-09-24	rnd 5	type Standard	result 1	date 2023-01-21	rnd 3	type Standard	result 1
		Opponent Dangazele, S (Sibabalwe)				Opponent Viljoen, L (Lienka)
2	5	Tournament Cape Winelands - Marie Delport Memorial 2024				Tournament Cape Winelands - Marie Delport Memorial 2024
		date 2024-01-27	rnd 2	type Standard	result 1	date 2024-01-28	rnd 6	type Standard	result 1
		Opponent Mbambalala, O (Owam)				Opponent Johnson, L (Lakeisha)
3	4	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-31	rnd 2	type Standard	result 1	date 2019-09-01	rnd 5	type Standard	result 1
		Opponent Jacobs, S (Sensemecia)				Opponent Kruger, C (Carmen)

#	Games	Start				End
1	6	Tournament Cape Winelands Schools Trials 1 2020				Tournament 2020 Welgemoed Chess Challenge
		date 2020-02-08	rnd 4	type Rapid	result 1	date 2020-02-29	rnd 3	type Rapid	result 1
		Opponent Kirchner, T (Tatum)				Opponent Van Niekerk, JH (Johann)
2	4	Tournament Steinitz Open 2023				Tournament Worcester Knock-Out 2023
		date 2023-05-27	rnd 6	type Rapid	result 1	date 2023-10-14	rnd 3	type Rapid	result 1
		Opponent Maginley, J (Jonathan)				Opponent Engelbrecht, J (Jane)
3	4	Tournament Rhenish Primary Chess Tournament 2018				Tournament Rhenish Primary Chess Tournament 2018
		date 2018-05-12	rnd 1	type Rapid	result 1	date 2018-05-12	rnd 4	type Rapid	result 1
		Opponent Lehtipuu, E (Esperanza)				Opponent Xethu, A (Abulele)

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	Mente ,L (Limi)	5	1	-255	3	0.5	-283.3	2	0.5	-212.5	0	0	0
1	Mente ,L (Limi)	5	1319.6	1064.6	3	1275.8	1036.2	2	1273.8	1107.1	0	0	0
2	Erasmus ,A (Anneke)	4	0	-425	2	0	-425	2	0	-425	0	0	0
2	Erasmus ,A (Anneke)	4	1550.3	1125.3	2	1514.4	1125.3	2	1366.6	1125.3	0	0	0
3	Nortje ,D (Dell-Maree)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
3	Nortje ,D (Dell-Maree)	3	1115.7	974	2	1232.7	1115.7	1	782.4	690.7	0	0	0
4	Engelbrecht ,J (Jane)	3	3	425	2	2	425	1	1	425	0	0	0
4	Engelbrecht ,J (Jane)	3	1270.6	1695.6	2	1205.1	1695.6	1	1296	1695.6	0	0	0
5	Roos ,A (Aleza)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
5	Roos ,A (Aleza)	3	906.5	764.8	2	796.5	481.5	1	864.4	1331.5	0	0	0
6	Johnson ,L (Lakeisha)	3	2	141.7	2	2	425	1	0	-425	0	0	0
6	Johnson ,L (Lakeisha)	3	1415.9	1557.5	2	1351.4	1840.9	1	1431.6	990.9	0	0	0
7	Panduva ,O (Ongeza)	3	2.5	283.3	1	1	425	2	1.5	212.5	0	0	0
7	Panduva ,O (Ongeza)	3	1124.2	1407.5	1	1200	1549.2	2	1097.4	1336.7	0	0	0
8	Joya ,L (Lilitha)	2	2	425	2	2	425	0	0	0	0	0	0
8	Joya ,L (Lilitha)	2	1266.3	1691.3	2	1212.1	1691.3	0	0	0	0	0	0
9	Bosch ,F (Fabio)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Bosch ,F (Fabio)	2	1239.1	814.1	2	1216.4	814.1	0	0	0	0	0	0
10	De Bruin ,E (Elrise)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	De Bruin ,E (Elrise)	2	1245.9	1458.4	2	1236.1	1458.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Ntlahla, A (Anathi)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms