Chess South Africa Ratings Database

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Personal

Lewaks, A (Andrea)

Chess SA id

2120099717

FIDE id

Date of birth

2012-02-21 (U14)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-12-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1232.4	1168.6	1302.9	1223
Raw rating	1232.4	1168.6	1302.9	1223
Weighted rating	1230.5	1167	1302.8	1222.8
Weighted performance	829.6	709.6	875.3	0
Floor	856.3	749.5	958.9	723
K-factor	36	36	32	36
Min/Max rating change allowed	158.3	173.4	143.2	160.5
Highest rating	1374.9 2018-04-01	1352.3 2018-03-01	1568.2 2018-06-01	1223 2024-03-01
Highest raw rating	1356.3 2019-06-01	1249.5 2019-06-01	1458.9 2019-07-01	1223 2024-03-01
Highest weighted rating	1356.3 2023-12-01	1249.5 2018-05-01	1458.9 2020-04-01	1222.2 2025-08-01
Highest weighted performance	1374.9 2018-04-01	1352.3 2018-03-01	1568.2 2018-06-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1232.4	1168.6	1302.9	1223
Analysis
Rating	1232.4	1168.6	1302.9	1223
Raw rating	1232.4	1168.6	1302.9	1223
Weighted rating	1230.5	1167	1302.8
Weighted performance	829.6	709.6	875.3
K-factor	36	36	32	36
Floor	856.3	749.5	958.9	723
Max/Min rating change allowed	158.3	173.4	143.2	160.5
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	1232.4	1168.6	1302.9	1223
New weighted rating	1230.7	1167.1	1302.8	1222.9
New weighted performance	829.2	709.2	874.9	0
Temp new rating	1232.4	1168.6	1302.9	1223
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1232.4	1168.6	1302.9	1223
New K-factor	36	36	32	36
New floor	856.3	749.5	958.9	723

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	20	10	10
	20	5	15
	26	0	26
History	233	102	131

Games since
	Main 4	Standard 4		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	233	119.5	51.29	10.9	1182.4	1193.3
Standard	102	40.5	39.71	-87.5	1181.5	1094
Rapid	131	79	60.31	87.6	1183.1	1270.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1232.4	1168.6	1302.9	1223
2025-09-01	1232.4	1168.6	1302.9	1223
2025-08-01	1232.4	1168.6	1302.9	1223
2025-07-01	1232.4	1168.6	1302.9	1223
2025-06-01	1232.4	1168.6	1302.9	1223
2025-05-01	1232.4	1168.6	1302.9	1223
2025-04-01	1232.4	1168.6	1302.9	1223
2025-03-01	1232.4	1168.6	1302.9	1223
2025-02-01	1232.4	1168.6	1302.9	1223
2025-01-01	1227.4	1164.3	1302.8	1223
2024-12-01	1227.4	1164.3	1302.8	1223
2024-11-01	1227.4	1164.3	1302.8	1223
2024-10-01	1227.4	1164.3	1302.8	1223
2024-09-01	1227.4	1164.3	1302.8	1223
2024-08-01	1227.4	1164.3	1302.8	1223
2024-07-01	1227.4	1164.3	1302.8	1223
2024-06-01	1227.4	1164.3	1302.8	1223
2024-08-01	1227.4	1164.3	1302.8	1223
2024-04-01	1227.4	1164.3	1302.8	1223
2024-03-01	1227.4	1164.3	1302.8	1223
2024-02-01	1227.4	1164.3	1302.8	1223
2024-01-01	1227.4	1164.3	1302.8	1223
2023-12-01	1227.4	1164.3	1302.8	1200
2023-11-01	1260.9	1194.5	1302.8	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	2023 Western Cape Rural Cup (U12)	2023-12-09	2023-12-10	Standard	Cape Winelands (WCW)	5	4	0	Yes	Analysis
2	Western Cape PS Individuals 2023 (U11 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	WCCI Open 2023 (A)	2023-04-29	2023-04-29	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
4	Lower West Coast Primary Schools Prestige Championships 2023 (U11 Girls)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
5	West Coast Open 2022 (C)	2022-11-05	2022-11-05	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
6	Best of The West 2022 (Girls Open)	2022-11-19	2022-11-19	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
7	Western Cape Closed Championship 2022 (U12)	2022-09-24	2022-09-24	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis
8	Lower West Coast Schools Prestige 2022 (U11 Girls)	2022-03-19	2022-03-19	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
9	Western Cape Schools 2021 (U9 Girls)	2021-10-23	2021-10-23	Rapid	Overberg (WOS)	5	4	2	Yes	Analysis
10	West Coast Primary Schools Prestige 2021 (U7+U9)	2021-09-18	2021-09-18	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
11	Coast to Coast 2021 (U10)	2021-08-28	2021-08-28	Rapid	West Coast (WCU)	6	6	1	Yes	Analysis
12	West Coast Open 2021 (Open)	2021-06-26	2021-06-26	Rapid	West Coast (WCU)	6	6	3	Yes	Analysis
13	Lower West Coast Schools Chess Prestige 2021 (U7+U9)	2021-05-15	2021-05-15	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
14	West Coast Schools Prestige 2020 (U9 Girls)	2020-03-07	2020-03-07	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
15	2020 Welgemoed Chess Challenge (U10)	2020-02-29	2020-02-29	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis
16	Onder Weskus Prestige 2020 (U9 Girls)	2020-02-15	2020-02-22	Standard	West Coast (WCU)	6	6	6	Yes	Analysis
17	Back to School Rapid 2020 (U10)	2020-02-01	2020-02-01	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
18	2019 South African Junior Team Championships (U8A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
19	2nd Annual Basil Ellman Tournament 2019 (C)	2019-12-16	2019-12-18	Standard	West Coast (WCU)	7	6	2	Yes	Analysis
20	Western Cape Schools Kings & Queens 2019 (Girls)	2019-10-12	2019-10-12	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
21	West Coast Club Champs 2019 (B)	2019-09-13	2019-09-14	Standard	West Coast (WCU)	7	5	2	Yes	Analysis
22	Check Mates 2019 (U10)	2019-08-17	2019-08-17	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
23	Weskus Topskole 2019 (U9)	2019-07-20	2019-07-20	Rapid	West Coast (WCU)	3	3	3	Yes	Analysis
24	Lambertsbaai Development 2019 (Youth)	2019-07-06	2019-07-06	Rapid	West Coast (WCU)	6	5	2	Yes	Analysis
25	Weskus Mall Rapid 2019 (U8)	2019-06-15	2019-06-15	Rapid	West Coast (WCU)	6	3	3	Yes	Analysis
26	South African Schools Individuals Chess Championships 2019 (U7+U9 Girls)	2019-06-18	2019-06-21	Standard	Frances Baard (NCF)	7	6	2	Yes	Analysis
27	Western Cape Schools Individuals 2019 (U7 Girls)	2019-05-18	2019-05-19	Standard	Eden (WEG)	7	7	7	Yes	Analysis
28	West Coast Open 2019 (U8)	2019-04-27	2019-04-27	Rapid	West Coast (WCU)	5	0	0	No	Analysis
29	Weskus Skole Prestige Skaak Kampioenskappe 2019 (O7 Dogters)	2019-03-02	2019-04-06	Standard	West Coast (WCU)	5	5	5	Yes	Analysis
30	2019 South African Junior Closed Chess Championship (U8 Girls)	2019-03-17	2019-03-22	Standard	Chess South Africa (CSA)	9	9	1	Yes	Analysis
31	St Helenabaai Open 2019 (U8)	2019-02-09	2019-02-09	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
32	Onder-Weskus Skole Proewe 2019 (O7 Seuns+Dogters)	2019-02-16	2019-02-23	Rapid	West Coast (WCU)	7	6	6	Yes	Analysis
33	Back 2 School 2019 (U8)	2019-01-19	2019-01-19	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
34	2018 Wild Card Chess Championships (U10 Girls)	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	7	2.5	Yes	Analysis
35	South African Junior Team Championships 2018 (U8A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	0	Yes	Analysis
36	West Coast Invitational 2018	2018-11-17	2018-11-17	Rapid	West Coast (WCU)	5	5	1	Yes	Analysis
37	ACL Chess Festival 2018 (U10)	2018-10-07	2018-10-07	Rapid	Cape Town (WCT)	5	5	1	Yes	Analysis
38	Western Cape Kings & Queens 2018 (Girls)	2018-10-20	2018-10-20	Rapid	Cape Winelands (WCW)	5	4	3	Yes	Analysis
39	Courtrai Young Masters 2018 (U8)	2018-10-27	2018-10-27	Rapid	Cape Winelands (WCW)	7	5	3	Yes	Analysis
40	2018 Swartland Open (B)	2018-09-14	2018-09-15	Standard	West Coast (WCU)	6	5	0	Yes	Analysis
41	Woman`s Month Blitz Tournament 2018 (U8)	2018-08-11	2018-08-11	Rapid	West Coast (WCU)	5	5	1.5	Yes	Analysis
42	Basil Ellman Tournament 2018 (U8)	2018-06-16	2018-06-16	Rapid	West Coast (WCU)	5	5	5	Yes	Analysis
43	Western Cape Schools Individuals 2018 (U7 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	5	1	Yes	Analysis
44	West Coast Open 2018 (D)	2018-04-28	2018-04-28	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
45	West Coast Schools Prestige Individual Championship 2018 (U7 Boys)	2018-03-10	2018-03-24	Standard	West Coast (WCU)	6	6	4	Yes	Analysis

#	Games	Start				End
1	12	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Mall Rapid 2019
		date 2019-04-06	rnd 4	type Standard	result 1	date 2019-06-15	rnd 5	type Rapid	result 1
		Opponent Esterhuizen, A (Anlo)				Opponent Lawrence, J (Joel)
2	11	Tournament St Helenabaai Open 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-02-09	rnd 4	type Rapid	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Cilliers, A (Alex)				Opponent Burger, M (Mari)
3	6	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 1	type Standard	result 1	date 2020-02-22	rnd 6	type Standard	result 1
		Opponent Heyns, C (Christi)				Opponent Groenewaldt, K (Katja)

#	Games	Start				End
1	9	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-04-06	rnd 4	type Standard	result 1	date 2019-05-19	rnd 7	type Standard	result 1
		Opponent Esterhuizen, A (Anlo)				Opponent Johnson, A (Amy)
2	6	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 1	type Standard	result 1	date 2020-02-22	rnd 6	type Standard	result 1
		Opponent Heyns, C (Christi)				Opponent Groenewaldt, K (Katja)
3	3	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Esterhuizen, A (Antru)				Opponent Burger, M (Mari)

#	Games	Start				End
1	12	Tournament St Helenabaai Open 2019				Tournament Lambertsbaai Development 2019
		date 2019-02-09	rnd 4	type Rapid	result 1	date 2019-07-06	rnd 1	type Rapid	result 1
		Opponent Cilliers, A (Alex)				Opponent Elbrink, J (Johnwin)
2	8	Tournament West Coast Open 2018				Tournament Basil Ellman Tournament 2018
		date 2018-04-28	rnd 3	type Rapid	result 1	date 2018-06-16	rnd 5	type Rapid	result 1
		Opponent Bhayi, L (Lunathi)				Opponent Buziek, M (Marquin)
3	5	Tournament West Coast Schools Prestige 2020				Tournament Lower West Coast Schools Chess Prestige 2021
		date 2020-03-07	rnd 5	type Rapid	result 1	date 2021-05-15	rnd 4	type Rapid	result 1
		Opponent De Witt, S (Somari)				Opponent Ellman, A (Andries)

No games found.

#	Games	Start				End

#	Games	Start				End
1	12	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Mall Rapid 2019
		date 2019-04-06	rnd 4	type Standard	result 1	date 2019-06-15	rnd 5	type Rapid	result 1
		Opponent Esterhuizen, A (Anlo)				Opponent Lawrence, J (Joel)
2	11	Tournament St Helenabaai Open 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-02-09	rnd 4	type Rapid	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Cilliers, A (Alex)				Opponent Burger, M (Mari)
3	6	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 1	type Standard	result 1	date 2020-02-22	rnd 6	type Standard	result 1
		Opponent Heyns, C (Christi)				Opponent Groenewaldt, K (Katja)

#	Games	Start				End
1	9	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-04-06	rnd 4	type Standard	result 1	date 2019-05-19	rnd 7	type Standard	result 1
		Opponent Esterhuizen, A (Anlo)				Opponent Johnson, A (Amy)
2	6	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 1	type Standard	result 1	date 2020-02-22	rnd 6	type Standard	result 1
		Opponent Heyns, C (Christi)				Opponent Groenewaldt, K (Katja)
3	3	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Esterhuizen, A (Antru)				Opponent Burger, M (Mari)

#	Games	Start				End
1	12	Tournament St Helenabaai Open 2019				Tournament Lambertsbaai Development 2019
		date 2019-02-09	rnd 4	type Rapid	result 1	date 2019-07-06	rnd 1	type Rapid	result 1
		Opponent Cilliers, A (Alex)				Opponent Elbrink, J (Johnwin)
2	8	Tournament West Coast Open 2018				Tournament Basil Ellman Tournament 2018
		date 2018-04-28	rnd 3	type Rapid	result 1	date 2018-06-16	rnd 5	type Rapid	result 1
		Opponent Bhayi, L (Lunathi)				Opponent Buziek, M (Marquin)
3	5	Tournament Back 2 School 2019				Tournament St Helenabaai Open 2019
		date 2019-01-19	rnd 3	type Rapid	result 1	date 2019-02-09	rnd 2	type Rapid	result 1
		Opponent Joseph, V (Vernitrune)				Opponent Meintjies, D (Danielle)

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	Ellman ,A (Andries)	8	7	318.8	2	2	425	6	5	283.3	0	0	0
1	Ellman ,A (Andries)	8	1051.1	1369.8	2	1058.9	1476.1	6	1130.4	1334.4	0	0	0
2	Lawrence ,J (Joel)	7	3	-60.7	1	0	-425	6	3	0	0	0	0
2	Lawrence ,J (Joel)	7	1187.1	1126.4	1	1080.8	762.1	6	1285.3	1187.1	0	0	0
3	Groenewaldt ,K (Katja)	4	4	425	1	1	425	3	3	425	0	0	0
3	Groenewaldt ,K (Katja)	4	1180.6	1605.6	1	1148.8	1605.6	3	1211.6	1605.6	0	0	0
4	Schoeman ,M (Mischke)	4	2	0	1	1	425	3	1	-141.7	0	0	0
4	Schoeman ,M (Mischke)	4	1242.8	1242.8	1	1200	1667.8	3	1273.4	1101.2	0	0	0
5	Osborne ,H (Hannah)	3	0	-425	2	0	-425	1	0	-425	0	0	0
5	Osborne ,H (Hannah)	3	1079.2	654.2	2	1160.6	654.2	1	1138	654.2	0	0	0
6	Matthee ,A (Anieka)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
6	Matthee ,A (Anieka)	3	1321.4	1179.8	2	1291.4	896.4	1	1137.6	1746.4	0	0	0
7	Nel ,C (Clea)	3	3	425	2	2	425	1	1	425	0	0	0
7	Nel ,C (Clea)	3	1152.9	1577.9	2	1124	1577.9	1	1164.4	1577.9	0	0	0
8	Esterhuizen ,A (Anlo)	3	3	425	2	2	425	1	1	425	0	0	0
8	Esterhuizen ,A (Anlo)	3	1187.2	1612.2	2	1191.8	1612.2	1	1200	1612.2	0	0	0
9	Ntontelo ,K (Khazimla)	3	3	425	2	2	425	1	1	425	0	0	0
9	Ntontelo ,K (Khazimla)	3	1069.4	1494.4	2	1074.6	1494.4	1	1200	1494.4	0	0	0
10	Burger ,M (Mari)	3	3	425	1	1	425	2	2	425	0	0	0
10	Burger ,M (Mari)	3	1200.8	1625.8	1	1200	1625.8	2	1198.6	1625.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Lewaks, A (Andrea)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms