Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, B (Brielle)

Chess SA id

2150304376

FIDE id

Date of birth

2015-02-17 (U12)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1222.2	1226.2	1200	1200
Raw rating	1222.2	1226.2	1200	1200
Weighted rating	1212.8	1215.2	1200	1200
Weighted performance	0	0	0	0
Floor	722.2	726.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.7	159.7	165.8	165.8
Highest rating	1255.1 2024-05-01	1255.4 2024-05-01	1200 2024-06-01	1200 2024-06-01
Highest raw rating	1222.2 2025-06-01	1226.2 2025-06-01	1200 2024-06-01	1200 2024-06-01
Highest weighted rating	1210.4 2025-08-01	1212.5 2025-08-01	1200 2024-06-01	1200 2024-06-01
Highest weighted performance	1255.1 2024-05-01	1255.4 2024-05-01	1200 2024-06-01	1200 2024-06-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1222.2	1226.2	1200	1200
Analysis
Rating	1222.2	1226.2	1200	1200
Raw rating	1222.2	1226.2	1200	1200
Weighted rating	1212.8	1215.2	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	722.2	726.2	700	700
Max/Min rating change allowed	160.7	159.7	165.8	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	1222.2	1226.2	1200	1200
New weighted rating	1213.8	1216.5	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1222.2	1226.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1222.2	1226.2	1200	1200
New K-factor	36	36	36	36
New floor	722.2	726.2	700	700

Item	Main	Standard
	0	0
	5	5
	5	5
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Female
Age group	U12
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 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	5	3	60	85	1193.7	1278.7
Standard	5	3	60	85	1193.7	1278.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	6	60	85	1179.8	1264.8
Standard	10	6	60	85	1179.8	1264.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1222.2	1226.2	1200	1200
2025-09-01	1222.2	1226.2	1200	1200
2025-08-01	1222.2	1226.2	1200	1200
2025-07-01	1222.2	1226.2	1200	1200
2025-06-01	1222.2	1226.2	1200	1200
2025-05-01	1208.6	1210.4	1200	1200
2025-04-01	1208.6	1210.4	1200	1200
2025-03-01	1208.6	1210.4	1200	1200
2025-02-01	1208.6	1210.4	1200	1200
2025-01-01	1208.6	1210.4	1200	1200
2024-12-01	1208.6	1210.4	1200	1200
2024-11-01	1208.6	1210.4	1200	1200
2024-10-01	1208.6	1210.4	1200	1200
2024-09-01	1208.6	1210.4	1200	1200
2024-08-01	1208.6	1210.4	1200	1200
2024-07-01	1208.6	1210.4	1200	1200
2024-06-01	1208.6	1210.4	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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	2025 Gauteng North School Individual Championships D1 (U11 Girls)	2025-05-17	2025-05-17	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng North School Individual Championships D1 (U11 Girls)	2025-05-17	2025-05-17	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2024 Gauteng North School District Individual Championships - D1 (U9 Girls)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2024 Gauteng North School District Individual Championships - D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2024-05-11	rnd 4	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Maphakela, B (Bokamoso)				Opponent Magane, T (Thandi)
2	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Motloung, B (Bohlale)				Opponent Motloung, B (Bohlale)
3	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Mokone, M (Mapaseka)				Opponent Mokone, M (Mapaseka)

#	Games	Start				End
1	3	Tournament 2024 Gauteng North School District Individual Championships - D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2024-05-11	rnd 4	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Maphakela, B (Bokamoso)				Opponent Magane, T (Thandi)
2	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Motloung, B (Bohlale)				Opponent Motloung, B (Bohlale)
3	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Mokone, M (Mapaseka)				Opponent Mokone, M (Mapaseka)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2024 Gauteng North School District Individual Championships - D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2024-05-11	rnd 4	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Maphakela, B (Bokamoso)				Opponent Magane, T (Thandi)
2	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Motloung, B (Bohlale)				Opponent Motloung, B (Bohlale)
3	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Mokone, M (Mapaseka)				Opponent Mokone, M (Mapaseka)

#	Games	Start				End
1	3	Tournament 2024 Gauteng North School District Individual Championships - D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2024-05-11	rnd 4	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Maphakela, B (Bokamoso)				Opponent Magane, T (Thandi)
2	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Motloung, B (Bohlale)				Opponent Motloung, B (Bohlale)
3	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Mokone, M (Mapaseka)				Opponent Mokone, M (Mapaseka)

No games found.

#	Games	Start				End

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	Maphakela ,B (Bokamoso)	1	1	425	1	1	425	0	0	0	0	0	0
1	Maphakela ,B (Bokamoso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Mampe ,O (Olwethukuhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mampe ,O (Olwethukuhle)	1	1168.7	743.7	1	1163.5	743.7	0	0	0	0	0	0
3	Mokone ,M (Mapaseka)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mokone ,M (Mapaseka)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Du Plessis ,K (Karla)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Du Plessis ,K (Karla)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Westermann ,Z (Zelri)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Westermann ,Z (Zelri)	1	1029	604	1	1029.1	604	0	0	0	0	0	0
6	Magane ,T (Thandi)	1	1	425	1	1	425	0	0	0	0	0	0
6	Magane ,T (Thandi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Tlhape ,S (Shadi)	1	1	425	1	1	425	0	0	0	0	0	0
7	Tlhape ,S (Shadi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Motloung ,B (Bohlale)	1	1	425	1	1	425	0	0	0	0	0	0
8	Motloung ,B (Bohlale)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Westermann ,I (Inge)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Westermann ,I (Inge)	1	1199.9	774.9	1	1201.6	774.9	0	0	0	0	0	0
10	Khanye ,M (Minenhle)	1	1	425	1	1	425	0	0	0	0	0	0
10	Khanye ,M (Minenhle)	1	1200	1625	1	1200	1625	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, B (Brielle)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms