Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, A (Amanda Karen)

Chess SA id

209093030

FIDE id

Date of birth

2009-06-30 (U18)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1349.4	1318.6	1279.2	1200
Raw rating	1347.8	1316.9	1278.8	1200
Weighted rating	1349.4	1318.6	1279.2	1200
Weighted performance	1103.3	1110.6	897	0
Floor	881.6	833.2	803.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	134.3	140.4	148.2	165.8
Highest rating	1416.4 2024-04-01	1347.1 2024-04-01	1303.5 2024-05-01	1200 2018-10-01
Highest raw rating	1381.6 2024-05-01	1333.2 2024-05-01	1303.5 2024-05-01	1200 2024-03-01
Highest weighted rating	1347.8 2025-08-01	1316.9 2025-08-01	1303.5 2024-07-01	1200 2018-10-01
Highest weighted performance	1416.4 2024-04-01	1347.1 2024-04-01	1228.8 2024-04-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.5	0.5	0.1	0
New rating	1349.9	1319	1279.3	1200
Analysis
Rating	1349.4	1318.6	1279.2	1200
Raw rating	1347.8	1316.9	1278.8	1200
Weighted rating	1349.4	1318.6	1279.2
Weighted performance	1103.3	1110.6	897
K-factor	36	36	36	36
Floor	881.6	833.2	803.5	700
Max/Min rating change allowed	134.3	140.4	148.2	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	1347.8	1316.9	1278.8	1200
New weighted rating	1349.9	1319	1279.3	1200
New weighted performance	1102.9	1110.1	896.6	0
Temp new rating	1349.9	1319	1279.3	1200
Temp new rating +/-	0.5	0.5	0.1	0
Final new rating +/-	0.5	0.5	0.1	0
New rating	1349.9	1319	1279.3	1200
New K-factor	36	36	36	36
New floor	881.6	833.2	803.5	700

Item	Main	Standard	Rapid
	0	0	0
	6	6	0
	37	27	10
	24	18	6
	34	16	18
	0	0	0
History	186	142	44

Games since
	Main 49	Standard 39		Rapid 10		Blitz 0
Gender	Female
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2676		846		346
Female	495		206		70
U18	414		124		49
U18 Female	62		27		10
Standard
	RSA		Province		Region
Overall	2891		821		338
Female	573		218		79
U18	466		121		50
U18 Female	71		29		12
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	6	3	50	0	1221.7	1221.7
Standard	6	3	50	0	1221.7	1221.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	186	104	55.91	50.3	1199.8	1250.1
Standard	142	78	54.93	41.9	1194.8	1236.7
Rapid	44	26	59.09	77.3	1215.9	1293.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1347.8	1316.9	1278.8	1200
2025-09-01	1347.8	1316.9	1278.8	1200
2025-08-01	1347.8	1316.9	1278.8	1200
2025-07-01	1346.8	1315.7	1278.7	1200
2025-06-01	1345.6	1314.3	1278.7	1200
2025-05-01	1344.3	1312.8	1278.7	1200
2025-04-01	1342.8	1311	1278.7	1200
2025-03-01	1340.8	1308.9	1278.7	1200
2025-02-01	1360.2	1333.2	1278.7	1200
2025-01-01	1360.2	1333.2	1277.2	1200
2024-12-01	1360.2	1333.2	1277.2	1200
2024-11-01	1360.2	1333.2	1277.2	1200
2024-10-01	1360.2	1333.2	1277.2	1200
2024-09-01	1360.2	1333.2	1277.2	1200
2024-08-01	1360.2	1333.2	1277.2	1200
2024-07-01	1381.6	1333.2	1303.5	1200
2024-06-01	1381.6	1333.2	1303.5	1200
2024-08-01	1381.6	1333.2	1303.5	1200
2024-04-01	1280.4	1261.6	1262.1	1200
2024-03-01	1305.8	1284.1	1262.1	1200
2024-02-01	1298	1269	1262.1	1200
2024-01-01	1298	1269	1262.1	1200
2023-12-01	1298	1269	1262.1	1200
2023-11-01	1294.2	1260.7	1262.1	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	CT Metro District East Schools Chess Individuals Trials 2025 (U18+U20 Girls)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	CT Metro District East Schools Chess Individuals Trials 2025 (U18+U20 Girls)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
2	Curro Durbanville Chess Rapid Open 2024 (Intermediate)	2024-07-13	2024-07-13	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
3	Cape Town Junior League Qualifier 2024 (U15 Open)	2024-04-06	2024-04-06	Rapid	Cape Town (WCT)	6	4	3	Yes	Analysis
4	Strategize to Win 2024 (E)	2024-04-13	2024-04-14	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
5	Western Cape HS Individuals Championship 2024 (U15 Girls)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	3.5	Yes	Analysis
6	Cape Town Open Chess Championship 2024 (Intermediate)	2024-03-16	2024-03-17	Standard	Cape Town (WCT)	6	5	0.5	Yes	Analysis
7	Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Girls)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
8	North District School Trials 2024 (U15 Girls)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
9	Kraaifontein Open 2023 (Intermediate)	2023-12-09	2023-12-10	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
10	Western Cape Closed Championship 2023 (U16)	2023-09-23	2023-09-23	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
11	Western Cape Top Schools 2023 (U18 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	6	5	Yes	Analysis
12	Cape Town Metro Schools Chess Closed Individuals 2023 (U15 Girls)	2023-02-03	2023-03-04	Standard	Cape Town (WCT)	6	0	0	No	Analysis
13	North District School Trials 2023 (U15 Girls)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
14	Curro Durbanville Chess Open Rapid 2022 (U14)	2022-07-02	2022-07-02	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
15	Stellenberg Chess Championship 2022 (U14)	2022-06-25	2022-06-25	Rapid	Cape Town (WCT)	6	6	5	Yes	Analysis
16	Steinitz Open 2022 (C)	2022-05-21	2022-05-22	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
17	Western Cape Schools 2022 (U13 Girls)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	5	3	Yes	Analysis
18	Metro WP Schools Chess Trials 2022 (U13 Girls)	2022-04-22	2022-04-23	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
19	2022 East Dist Individuals (U13)	2022-03-12	2022-03-12	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
20	2020 Metro Trials (U11 Girls)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	1	1	Yes	Analysis
21	2020 East District Individuals (U11)	2020-01-31	2020-02-01	Standard	Cape Town (WCT)	6	5	4	Yes	Analysis
22	Curro Durbanville Chess Tournament 2019 (Premier)	2019-08-23	2019-08-24	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
23	2019 Western Province League (E)	2019-07-27	2019-08-10	Standard	Cape Town (WCT)	9	6	2	Yes	Analysis
24	Stellenberg Youth Chess Championship 2019 (D)	2019-05-01	2019-05-01	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
25	Western Cape Schools Individuals 2019 (U11 Girls)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	3.5	Yes	Analysis
26	Steinitz Chess Festival 2019 (C)	2019-04-05	2019-04-07	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
27	Bellville Club Champs 2019 (C2)	2019-04-29	2019-06-03	Standard	Cape Town (WCT)	5	1	0	Yes	Analysis
28	Metro School Chess Closed Individual Trials 2019 (U11 Girls)	2019-03-01	2019-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
29	2019 Metro-East District Schools Trials (U11)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
30	Western Cape Kings & Queens 2018 (Girls)	2018-10-20	2018-10-20	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
31	Stellenberg Youth Chess Champs 2018 (D)	2018-06-23	2018-06-23	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
32	Western Cape Schools Individuals 2018 (U9 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
33	Crossroads Open Chess Championship 2018 (C)	2018-04-27	2018-04-29	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
34	2018 WP Schools Closed Trials (U9 Girls)	2018-03-09	2018-03-10	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
35	2018 Western Province Open (C)	2018-03-02	2018-03-04	Standard	Cape Town (WCT)	6	0	0	No	Analysis
36	District East Schools Chess Open Trials 2018 (U9)	2018-02-02	2018-02-03	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
37	Welgemoed Chess Challenge 2018 (U10)	2018-02-24	2018-02-24	Rapid	Cape Town (WCT)	5	5	4	Yes	Analysis

#	Games	Start				End
1	7	Tournament Western Cape HS Individuals Championship 2024				Tournament Strategize to Win 2024
		date 2024-03-22	rnd 5	type Standard	result 1	date 2024-04-13	rnd 1	type Standard	result 1
		Opponent Murray, M (Mia)				Opponent Lambrechts, M (Madison)
2	5	Tournament Kraaifontein Open 2023				Tournament North District School Trials 2024
		date 2023-12-10	rnd 4	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Joya, L (Lilitha)				Opponent Whiteford, K (Kylie)
3	4	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 3	type Standard	result 1	date 2023-09-03	rnd 6	type Standard	result 1
		Opponent Windvogel, E (Elzonia)				Opponent Kruger, M (Mi-Jean)

#	Games	Start				End
1	5	Tournament Strategize to Win 2024				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2024-04-13	rnd 3	type Standard	result 1	date 2025-02-01	rnd 2	type Standard	result 0.5
		Opponent Zwartz, Z (Zeke)				Opponent Nelson, OS (Olenka Shai)
2	5	Tournament Kraaifontein Open 2023				Tournament North District School Trials 2024
		date 2023-12-10	rnd 4	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Joya, L (Lilitha)				Opponent Whiteford, K (Kylie)
3	5	Tournament Stellenberg Youth Chess Champs 2018				Tournament 2019 Metro-East District Schools Trials
		date 2018-06-23	rnd 4	type Standard	result 1	date 2019-02-02	rnd 3	type Standard	result 1
		Opponent Buys, D (David)				Opponent Williams, K (Kylo)

#	Games	Start				End
1	4	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Junior League Qualifier 2024
		date 2024-04-06	rnd 1	type Rapid	result 1	date 2024-04-06	rnd 4	type Rapid	result 0.5
		Opponent Powis, R (Robert)				Opponent Tomi, A (Amange)
2	3	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 3	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Cumbi, S (Sibulele)				Opponent Mangali, O (Ongama)
3	3	Tournament Curro Durbanville Chess Open Rapid 2022				Tournament Curro Durbanville Chess Open Rapid 2022
		date 2022-07-02	rnd 3	type Rapid	result 1	date 2022-07-02	rnd 5	type Rapid	result 1
		Opponent Dyantyi, E (Enathi)				Opponent Bellini, G (Gemma)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 3	type Standard	result 1	date 2023-09-03	rnd 6	type Standard	result 1
		Opponent Windvogel, E (Elzonia)				Opponent Kruger, M (Mi-Jean)
2	4	Tournament 2020 East District Individuals				Tournament 2020 East District Individuals
		date 2020-01-31	rnd 2	type Standard	result 1	date 2020-02-01	rnd 5	type Standard	result 1
		Opponent Afrika, B (Bernicia)				Opponent Bangani, O (Ovayo)
3	4	Tournament Western Cape Kings & Queens 2018				Tournament 2019 Metro-East District Schools Trials
		date 2018-10-20	rnd 5	type Rapid	result 1	date 2019-02-02	rnd 3	type Standard	result 1
		Opponent Swart, R (Runay)				Opponent Williams, K (Kylo)

#	Games	Start				End
1	5	Tournament Stellenberg Youth Chess Champs 2018				Tournament 2019 Metro-East District Schools Trials
		date 2018-06-23	rnd 4	type Standard	result 1	date 2019-02-02	rnd 3	type Standard	result 1
		Opponent Buys, D (David)				Opponent Williams, K (Kylo)
2	4	Tournament Strategize to Win 2024				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2024-04-13	rnd 3	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Zwartz, Z (Zeke)				Opponent Van Wyk, A (Annemie)
3	4	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 3	type Standard	result 1	date 2023-09-03	rnd 6	type Standard	result 1
		Opponent Windvogel, E (Elzonia)				Opponent Kruger, M (Mi-Jean)

#	Games	Start				End
1	3	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 3	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Cumbi, S (Sibulele)				Opponent Mangali, O (Ongama)
2	3	Tournament Curro Durbanville Chess Open Rapid 2022				Tournament Curro Durbanville Chess Open Rapid 2022
		date 2022-07-02	rnd 3	type Rapid	result 1	date 2022-07-02	rnd 5	type Rapid	result 1
		Opponent Dyantyi, E (Enathi)				Opponent Bellini, G (Gemma)
3	3	Tournament Stellenberg Chess Championship 2022				Tournament Curro Durbanville Chess Open Rapid 2022
		date 2022-06-25	rnd 5	type Rapid	result 1	date 2022-07-02	rnd 1	type Rapid	result 1
		Opponent Smith, S (Shiloh)				Opponent Figlan, E (Esam)

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	Grove ,E (Emily)	5	2	-85	5	2	-85	0	0	0	0	0	0
1	Grove ,E (Emily)	5	1340.3	1255.3	5	1348.8	1255.3	0	0	0	0	0	0
2	Strydom ,MJ (Matthys Jacobus)	4	2	0	2	2	425	2	0	-425	0	0	0
2	Strydom ,MJ (Matthys Jacobus)	4	1278.1	1278.1	2	1169.8	1703.1	2	1301.8	853.1	0	0	0
3	Nieuwoudt ,N (Noreht)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Nieuwoudt ,N (Noreht)	3	1281.8	856.8	3	1239.5	856.8	0	0	0	0	0	0
4	Van Niekerk ,JH (Johann Hendrik)	3	2.5	283.3	2	1.5	212.5	1	1	425	0	0	0
4	Van Niekerk ,JH (Johann Hendrik)	3	1251.9	1535.2	2	1238.1	1464.4	1	1277.3	1676.9	0	0	0
5	Roos ,A (Aleza)	3	3	425	2	2	425	1	1	425	0	0	0
5	Roos ,A (Aleza)	3	845.7	1270.7	2	633	1270.7	1	1194.3	1270.7	0	0	0
6	Smith ,S (Shiloh)	3	1.5	0	1	0.5	0	2	1	0	0	0	0
6	Smith ,S (Shiloh)	3	1321.2	1321.2	1	1445.1	1321.2	2	1268.9	1321.2	0	0	0
7	Van Heerden ,H (Hannah Rose)	2	1	0	2	1	0	0	0	0	0	0	0
7	Van Heerden ,H (Hannah Rose)	2	1297.6	1297.6	2	1269.1	1297.6	0	0	0	0	0	0
8	Buys ,D (David)	2	1	0	2	1	0	0	0	0	0	0	0
8	Buys ,D (David)	2	1127	1127	2	1146.2	1127	0	0	0	0	0	0
9	Masoka ,A (Ayema)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Masoka ,A (Ayema)	2	1235.4	810.4	2	1239.2	810.4	0	0	0	0	0	0
10	Jacobs ,S (Sumayah)	2	2	425	2	2	425	0	0	0	0	0	0
10	Jacobs ,S (Sumayah)	2	1183.8	1608.8	2	1174.4	1608.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Pretorius, A (Amanda Karen)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms