Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, M (Mia)

Chess SA id

2130138971

FIDE id

Date of birth

2013-09-26 (U14)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1373.2

Item	Main	Standard	Rapid	Blitz
Rating	1450.5	1444.5	1378.3	1200
Raw rating	1450.5	1444.5	1378.3	1200
Weighted rating	1447.7	1435.5	1378.3	1200
Weighted performance	1341.9	1338.7	0	0
Floor	966.4	961.2	878.3	700
K-factor	32	32	36	36
Min/Max rating change allowed	116	117	128.6	165.8
Highest rating	1472.8 2022-05-01	1484.9 2022-05-01	1458.6 2023-10-01	1200 2018-10-01
Highest raw rating	1466.4 2025-03-01	1461.2 2025-03-01	1378.3 2024-03-01	1200 2024-03-01
Highest weighted rating	1446.5 2025-08-01	1432.1 2025-08-01	1378.1 2025-08-01	1200 2018-10-01
Highest weighted performance	1472.8 2022-05-01	1484.9 2022-05-01	1458.6 2023-10-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1450.5	1444.5	1378.3	1200
Analysis
Rating	1450.5	1444.5	1378.3	1200
Raw rating	1450.5	1444.5	1378.3	1200
Weighted rating	1447.7	1435.5	1378.3
Weighted performance	1341.9	1338.7	0
K-factor	32	32	36	36
Floor	966.4	961.2	878.3	700
Max/Min rating change allowed	116	117	128.6	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	1450.5	1444.5	1378.3	1200
New weighted rating	1448.2	1436.9	1378.3	1200
New weighted performance	1341.4	1338.2	0	0
Temp new rating	1450.5	1444.5	1378.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1450.5	1444.5	1378.3	1200
New K-factor	32	32	36	36
New floor	966.4	961.2	878.3	700

Item	Main	Standard	Rapid
	0	0	0
	28	28	0
	32	32	0
	38	24	14
	21	15	6
	0	0	0
History	119	99	20

Games since
	Main 64	Standard 60		Rapid 4		Blitz 0
Gender	Female
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1644		497		240
Female	247		90		40
U14	246		81		35
U14 Female	49		20		7
Standard
	RSA		Province		Region
Overall	1623		435		216
Female	257		88		40
U14	251		77		34
U14 Female	55		21		8
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	28	18.5	66.07	136.6	1317.7	1454.3
Standard	28	18.5	66.07	136.6	1317.7	1454.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	119	85	71.43	182.1	1264.5	1446.6
Standard	99	69.5	70.2	171.7	1278.5	1450.2
Rapid	20	15.5	77.5	233.8	1195.1	1428.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1450.5	1444.5	1378.3	1200
2025-09-01	1450.5	1444.5	1378.3	1200
2025-08-01	1450.5	1444.5	1378.3	1200
2025-07-01	1450.5	1444.5	1378.3	1200
2025-06-01	1450.5	1444.5	1378.3	1200
2025-05-01	1450.9	1444	1378.3	1200
2025-04-01	1450.9	1444	1378.3	1200
2025-03-01	1466.4	1461.2	1378.3	1200
2025-02-01	1440.9	1426.3	1378.3	1200
2025-01-01	1445.3	1432.1	1378.3	1200
2024-12-01	1445.3	1432.1	1378.3	1200
2024-11-01	1445.3	1432.1	1378.3	1200
2024-10-01	1446.1	1427.6	1378.3	1200
2024-09-01	1446.1	1427.6	1378.3	1200
2024-08-01	1446.1	1427.6	1378.3	1200
2024-07-01	1432.8	1409	1378.3	1200
2024-06-01	1432.8	1409	1378.3	1200
2024-08-01	1440	1413.2	1378.3	1200
2024-04-01	1440	1413.2	1378.3	1200
2024-03-01	1452.7	1423.8	1378.3	1200
2024-02-01	1432.5	1396.4	1378.3	1200
2024-01-01	1432.5	1396.4	1378.3	1200
2023-12-01	1432.5	1396.4	1378.3	1200
2023-11-01	1432.5	1396.4	1378.3	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	Western Cape Schools Individual Championship 2025 (U13 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
2	CT Metro Schools Individual Closed 2025 (U13 Girls)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
3	De Hoop Primary Schools Teams Play-offs 2025 (U13)	2025-02-08	2025-02-08	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
4	CT Metro District East Schools Chess Individuals Trials 2025 (U13 Girls)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
5	Helderberg Chess Club PS Development Tournament 2025 (U13 Girls)	2025-01-25	2025-01-25	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U13 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
2	CT Metro Schools Individual Closed 2025 (U13 Girls)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
3	De Hoop Primary Schools Teams Play-offs 2025 (U13)	2025-02-08	2025-02-08	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
4	CT Metro District East Schools Chess Individuals Trials 2025 (U13 Girls)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
5	Helderberg Chess Club PS Development Tournament 2025 (U13 Girls)	2025-01-25	2025-01-25	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
6	De Hoop Chess Championship Tournament 2024 (U10+U11)	2024-10-12	2024-10-12	Standard	Cape Town (WCT)	5	5	3.5	Yes	Analysis
7	CT Metro District East Top Schools Chess 2024 (U11 Mixed)	2024-07-27	2024-07-28	Standard	Cape Town (WCT)	7	6	5	Yes	Analysis
8	Western Cape PS Individuals Championship 2024 (U11 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
9	Cape Town Metro Schools Chess Closed Individuals 2024 (U11 Girls)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
10	De Hoop Teams Play Offs 2023 (U11 Mixed)	2024-02-10	2024-02-10	Standard	Cape Town (WCT)	5	4	3	Yes	Analysis
11	CT District East Schools Chess Individuals Trails 2024 (U11 Girls)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
12	De Hoop Chess Championship 2023 (U10)	2023-10-14	2023-10-14	Rapid	Cape Town (WCT)	5	4	4	Yes	Analysis
13	Western Cape Top Schools 2023 (U11 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
14	CT Metro District East Top Schools Chess 2023 (U11 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	7	5	4	Yes	Analysis
15	Western Cape PS Individuals 2023 (U11 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
16	Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Girls)	2023-03-03	2023-03-04	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
17	District East Schools Chess Individual Trials 2023 (U11 Girls)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
18	De Hoop Teams Play Offs 2023 (U11 Mixed)	2023-02-11	2023-02-11	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
19	Western Cape Top Schools 2022 (U9 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
20	Western Cape Schools 2022 (U9 Girls)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	5	Yes	Analysis
21	Metro WP Schools Chess Trials 2022 (U7+U9 Girls)	2022-04-22	2022-04-23	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
22	2022 East Dist Individuals (U9)	2022-03-12	2022-03-12	Rapid	Cape Town (WCT)	6	6	4.5	Yes	Analysis

#	Games	Start				End
1	9	Tournament Western Cape Top Schools 2023				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2023-09-03	rnd 5	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Mngqibisa, P (Phila)				Opponent Ludovica, P (Prins)
2	7	Tournament CT Metro District East Top Schools Chess 2024				Tournament De Hoop Chess Championship Tournament 2024
		date 2024-07-27	rnd 2	type Standard	result 1	date 2024-10-12	rnd 2	type Standard	result 0.5
		Opponent Velem, K (Kungawo)				Opponent Bothma, M (Mason Reese)
3	7	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Thembela, Z (Zanele)				Opponent Walters, N (Nicola)

#	Games	Start				End
1	7	Tournament CT Metro District East Top Schools Chess 2024				Tournament De Hoop Chess Championship Tournament 2024
		date 2024-07-27	rnd 2	type Standard	result 1	date 2024-10-12	rnd 2	type Standard	result 0.5
		Opponent Velem, K (Kungawo)				Opponent Bothma, M (Mason Reese)
2	7	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Thembela, Z (Zanele)				Opponent Walters, N (Nicola)
3	6	Tournament CT Metro Schools Individual Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-02	rnd 4	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Rule, M (Mikaylah)				Opponent Bah, B (Binta)

#	Games	Start				End
1	5	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-12	rnd 1	type Rapid	result 1	date 2022-03-12	rnd 5	type Rapid	result 1
		Opponent Bubb, J (John)				Opponent Mdashe, E (Elam)
2	4	Tournament De Hoop Chess Championship 2023				Tournament De Hoop Chess Championship 2023
		date 2023-10-14	rnd 1	type Rapid	result 1	date 2023-10-14	rnd 5	type Rapid	result 1
		Opponent Els, K (Kaylee)				Opponent Anderson, J (Jean)
3	4	Tournament CT Metro District East Top Schools Chess 2023				Tournament CT Metro District East Top Schools Chess 2023
		date 2023-07-29	rnd 2	type Rapid	result 1	date 2023-07-29	rnd 6	type Rapid	result 1
		Opponent Makumbe, P (Passion)				Opponent Akpagu, M (Muna)

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament Western Cape Top Schools 2023				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2023-09-03	rnd 5	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Mngqibisa, P (Phila)				Opponent Ludovica, P (Prins)
2	7	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Thembela, Z (Zanele)				Opponent Walters, N (Nicola)
3	6	Tournament CT Metro Schools Individual Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-02	rnd 4	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Rule, M (Mikaylah)				Opponent Bah, B (Binta)

#	Games	Start				End
1	7	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Thembela, Z (Zanele)				Opponent Walters, N (Nicola)
2	6	Tournament CT Metro Schools Individual Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-02	rnd 4	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Rule, M (Mikaylah)				Opponent Bah, B (Binta)
3	6	Tournament CT Metro District East Top Schools Chess 2024				Tournament De Hoop Chess Championship Tournament 2024
		date 2024-07-27	rnd 2	type Standard	result 1	date 2024-10-12	rnd 1	type Standard	result 1
		Opponent Velem, K (Kungawo)				Opponent Visagie, J (Jan)

#	Games	Start				End
1	4	Tournament De Hoop Chess Championship 2023				Tournament De Hoop Chess Championship 2023
		date 2023-10-14	rnd 1	type Rapid	result 1	date 2023-10-14	rnd 5	type Rapid	result 1
		Opponent Els, K (Kaylee)				Opponent Anderson, J (Jean)
2	4	Tournament CT Metro District East Top Schools Chess 2023				Tournament CT Metro District East Top Schools Chess 2023
		date 2023-07-29	rnd 2	type Rapid	result 1	date 2023-07-29	rnd 6	type Rapid	result 1
		Opponent Makumbe, P (Passion)				Opponent Akpagu, M (Muna)
3	3	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-12	rnd 1	type Rapid	result 1	date 2022-03-12	rnd 3	type Rapid	result 1
		Opponent Bubb, J (John)				Opponent Douglas, C (Charles)

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	Pfukwa ,P (Palesa)	4	1	-212.5	3	1	-141.7	1	0	-425	0	0	0
1	Pfukwa ,P (Palesa)	4	1365.8	1153.2	3	1376.9	1224.1	1	1226.3	940.8	0	0	0
2	Rommelmann ,L (Liezl-Marie)	4	4	425	2	2	425	2	2	425	0	0	0
2	Rommelmann ,L (Liezl-Marie)	4	1205.5	1630.5	2	1172.8	1630.5	2	1217.8	1630.5	0	0	0
3	Burnett ,L (Luca)	3	3	425	3	3	425	0	0	0	0	0	0
3	Burnett ,L (Luca)	3	1193.4	1618.4	3	1218	1618.4	0	0	0	0	0	0
4	De Silva ,A (Alyssa)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
4	De Silva ,A (Alyssa)	3	1343.5	1485.2	3	1337.4	1485.2	0	0	0	0	0	0
5	Mali ,E (Emihle)	3	3	425	3	3	425	0	0	0	0	0	0
5	Mali ,E (Emihle)	3	1280.1	1705.1	3	1268.6	1705.1	0	0	0	0	0	0
6	Mdashe ,E (Elam)	3	3	425	2	2	425	1	1	425	0	0	0
6	Mdashe ,E (Elam)	3	1227.5	1652.5	2	1237.8	1652.5	1	1200	1652.5	0	0	0
7	Visagie ,J (Jan)	3	3	425	2	2	425	1	1	425	0	0	0
7	Visagie ,J (Jan)	3	1185.9	1610.9	2	1215.2	1610.9	1	1181.2	1610.9	0	0	0
8	Bolton ,A (Alyssa)	2	2	425	2	2	425	0	0	0	0	0	0
8	Bolton ,A (Alyssa)	2	1306.9	1731.9	2	1293.8	1731.9	0	0	0	0	0	0
9	Temmers ,I (Isabella)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Temmers ,I (Isabella)	2	1425.2	1000.2	2	1350	1000.2	0	0	0	0	0	0
10	Mowlana ,K (Khaleela)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Mowlana ,K (Khaleela)	2	1300.4	1512.9	2	1306.3	1512.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Pretorius, M (Mia)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms