Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, B (Bree)

Chess SA id

2110097142

FIDE id

Date of birth

2011-08-25 (U16)

Gender

Female

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-03-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1287.2	1237.2	1254	1200
Raw rating	1287.2	1237.2	1254	1200
Weighted rating	1287.2	1237.2	1254	1200
Weighted performance	219.6	203.7	0	0
Floor	811.3	789.4	754	700
K-factor	36	36	36	36
Min/Max rating change allowed	146.4	157.3	153.5	165.8
Highest rating	1325.5 2018-10-01	1428.9 2018-06-01	1254 2024-03-01	1200 2018-10-01
Highest raw rating	1311.3 2018-11-01	1289.4 2018-07-01	1254 2024-03-01	1200 2024-03-01
Highest weighted rating	1311.3 2024-03-01	1289.4 2018-08-01	1254 2025-02-01	1200 2018-10-01
Highest weighted performance	1325.5 2018-10-01	1428.9 2018-06-01	1200 2024-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1287.2	1237.2	1254	1200
Analysis
Rating	1287.2	1237.2	1254	1200
Raw rating	1287.2	1237.2	1254	1200
Weighted rating	1287.2	1237.2	1254
Weighted performance	219.6	203.7	0
K-factor	36	36	36	36
Floor	811.3	789.4	754	700
Max/Min rating change allowed	146.4	157.3	153.5	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	1287.2	1237.2	1254	1200
New weighted rating	1287.2	1237.2	1254	1200
New weighted performance	219.2	203.3	0	0
Temp new rating	1287.2	1237.2	1254	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1287.2	1237.2	1254	1200
New K-factor	36	36	36	36
New floor	811.3	789.4	754	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	66	44	22

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	66	40.5	61.36	96.6	1161.6	1258.2
Standard	44	27	61.36	96.6	1190.8	1287.4
Rapid	22	13.5	61.36	96.6	1103.2	1199.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1287.2	1237.2	1254	1200
2025-09-01	1287.2	1237.2	1254	1200
2025-08-01	1287.2	1237.2	1254	1200
2025-07-01	1287.2	1237.2	1254	1200
2025-06-01	1287.2	1237.2	1254	1200
2025-05-01	1287.2	1237.2	1254	1200
2025-04-01	1287.2	1237.2	1254	1200
2025-03-01	1287.2	1237.2	1254	1200
2025-02-01	1287.2	1237.2	1254	1200
2025-01-01	1287.2	1237.2	1254	1200
2024-12-01	1287.2	1237.2	1254	1200
2024-11-01	1287.2	1237.2	1254	1200
2024-10-01	1287.2	1237.2	1254	1200
2024-09-01	1287.2	1237.2	1254	1200
2024-08-01	1287.2	1237.2	1254	1200
2024-07-01	1287.2	1237.2	1254	1200
2024-06-01	1287.2	1237.2	1254	1200
2024-08-01	1287.2	1237.2	1254	1200
2024-04-01	1287.2	1237.2	1254	1200
2024-03-01	1287.2	1237.2	1254	1200
2024-02-01	1287.2	1237.2	1254	1200
2024-01-01	1287.2	1237.2	1254	1200
2023-12-01	1287.2	1237.2	1254	1200
2023-11-01	1287.2	1237.2	1254	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	Cape Winelands Schools Closed 2019 (U9 Girls)	2019-03-16	2019-03-17	Standard	Cape Winelands (WCW)	7	7	5	Yes	Analysis
2	Overberg First Trial 2019 (U8+U10)	2019-02-23	2019-02-23	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
3	CW Schools Open 2019 (U7+U9 Girls)	2019-02-02	2019-02-02	Rapid	Cape Winelands (WCW)	6	6	5	Yes	Analysis
4	South African Junior Team Championships 2018 (U8A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	1	Yes	Analysis
5	Caledon Casino 2 2018 (U8+U10)	2018-10-20	2018-10-20	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
6	Caledon Open 2018 (U8+U10)	2018-09-29	2018-09-29	Standard	Overberg (WOS)	5	5	3.5	Yes	Analysis
7	Caledon Casino Open 2018 (U10)	2018-08-04	2018-08-04	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
8	Stellenberg Youth Chess Champs 2018 (E)	2018-06-23	2018-06-23	Standard	Cape Town (WCT)	5	5	4.5	Yes	Analysis
9	Western Cape Schools Individuals 2018 (U7 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	5	4	Yes	Analysis
10	Cape Winelands Schools Trials 1 2018 (U9 Girls)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
11	Cape Winelands Schools Prestige 2018 (U7 Boys+Girls)	2018-03-24	2018-03-24	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
12	North Boland Trials 2018 (U7 Boys+Girls)	2018-02-17	2018-02-17	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis

#	Games	Start				End
1	9	Tournament Western Cape Schools Individuals 2018				Tournament Caledon Casino Open 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-08-04	rnd 1	type Standard	result 1
		Opponent Lewaks, A (Andrea)				Opponent Brink, S (Samantha)
2	7	Tournament Caledon Open 2018				Tournament Caledon Casino 2 2018
		date 2018-09-29	rnd 3	type Standard	result 1	date 2018-10-20	rnd 4	type Standard	result 1
		Opponent Lubbe, C (Christiaan)				Opponent Johnson, L (Lakeisha)
3	4	Tournament Overberg First Trial 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-02-23	rnd 5	type Standard	result 1	date 2019-03-16	rnd 3	type Standard	result 1
		Opponent Arendse, M (Michaely)				Opponent Steenkamp, N (Nicole)

#	Games	Start				End
1	9	Tournament Western Cape Schools Individuals 2018				Tournament Caledon Casino Open 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-08-04	rnd 1	type Standard	result 1
		Opponent Lewaks, A (Andrea)				Opponent Brink, S (Samantha)
2	7	Tournament Caledon Open 2018				Tournament Caledon Casino 2 2018
		date 2018-09-29	rnd 3	type Standard	result 1	date 2018-10-20	rnd 4	type Standard	result 1
		Opponent Lubbe, C (Christiaan)				Opponent Johnson, L (Lakeisha)
3	4	Tournament Overberg First Trial 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-02-23	rnd 5	type Standard	result 1	date 2019-03-16	rnd 3	type Standard	result 1
		Opponent Arendse, M (Michaely)				Opponent Steenkamp, N (Nicole)

#	Games	Start				End
1	5	Tournament Cape Winelands Schools Prestige 2018				Tournament CW Schools Open 2019
		date 2018-03-24	rnd 5	type Rapid	result 1	date 2019-02-02	rnd 4	type Rapid	result 1
		Opponent Matthee, A (Anieka)				Opponent Samuels, T (Tatum)
2	3	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-03	rnd 6	type Rapid	result 1	date 2018-03-24	rnd 2	type Rapid	result 1
		Opponent Xetu, A (Abulele)				Opponent Visser, C (Christiaan Hendrik)
3	3	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 1	type Rapid	result 0.5	date 2018-03-03	rnd 3	type Rapid	result 1
		Opponent Ntlahla, A (Anathi)				Opponent Fredericks, A (Anoeska)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Western Cape Schools Individuals 2018				Tournament Stellenberg Youth Chess Champs 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-06-23	rnd 2	type Standard	result 1
		Opponent Lewaks, A (Andrea)				Opponent Fried, J (Jushua)
2	4	Tournament Overberg First Trial 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-02-23	rnd 5	type Standard	result 1	date 2019-03-16	rnd 3	type Standard	result 1
		Opponent Arendse, M (Michaely)				Opponent Steenkamp, N (Nicole)
3	4	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 1	type Rapid	result 1	date 2019-02-02	rnd 4	type Rapid	result 1
		Opponent Botma, I (Inke)				Opponent Samuels, T (Tatum)

#	Games	Start				End
1	5	Tournament Western Cape Schools Individuals 2018				Tournament Stellenberg Youth Chess Champs 2018
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-06-23	rnd 2	type Standard	result 1
		Opponent Lewaks, A (Andrea)				Opponent Fried, J (Jushua)
2	4	Tournament Overberg First Trial 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-02-23	rnd 5	type Standard	result 1	date 2019-03-16	rnd 3	type Standard	result 1
		Opponent Arendse, M (Michaely)				Opponent Steenkamp, N (Nicole)
3	4	Tournament Caledon Casino 2 2018				Tournament Caledon Casino 2 2018
		date 2018-10-20	rnd 1	type Standard	result 1	date 2018-10-20	rnd 4	type Standard	result 1
		Opponent Carelsen, CS (Colin Steyn)				Opponent Johnson, L (Lakeisha)

#	Games	Start				End
1	5	Tournament Cape Winelands Schools Prestige 2018				Tournament CW Schools Open 2019
		date 2018-03-24	rnd 5	type Rapid	result 1	date 2019-02-02	rnd 4	type Rapid	result 1
		Opponent Matthee, A (Anieka)				Opponent Samuels, T (Tatum)
2	3	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-03	rnd 6	type Rapid	result 1	date 2018-03-24	rnd 2	type Rapid	result 1
		Opponent Xetu, A (Abulele)				Opponent Visser, C (Christiaan Hendrik)
3	2	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 2	type Rapid	result 1	date 2018-03-03	rnd 3	type Rapid	result 1
		Opponent Van Wyk, J (Johalise)				Opponent Fredericks, A (Anoeska)

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	Kriel ,EM (Eduard Mccarthy)	4	0.5	-318.8	2	0.5	-212.5	2	0	-425	0	0	0
1	Kriel ,EM (Eduard Mccarthy)	4	959.8	641.1	2	738	747.3	2	653	534.8	0	0	0
2	Matthee ,A (Anieka)	4	3	212.5	2	2	425	2	1	0	0	0	0
2	Matthee ,A (Anieka)	4	1204.4	1416.9	2	1139.8	1629.4	2	1227.8	1204.4	0	0	0
3	Joshua ,M (Madden)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Joshua ,M (Madden)	3	1163.9	1305.6	3	1160.9	1305.6	0	0	0	0	0	0
4	Muller ,C (Christiaan)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
4	Muller ,C (Christiaan)	2	1263.6	1051.1	2	1111.6	1051.1	0	0	0	0	0	0
5	Mackenzie ,T (Tayden)	2	1	0	2	1	0	0	0	0	0	0	0
5	Mackenzie ,T (Tayden)	2	1143.8	1143.8	2	1118.6	1143.8	0	0	0	0	0	0
6	Johnson ,A (Annabelle)	2	2	425	2	2	425	0	0	0	0	0	0
6	Johnson ,A (Annabelle)	2	1186.5	1611.5	2	1182	1611.5	0	0	0	0	0	0
7	Carelsen ,CS (Colin Steyn)	2	2	425	2	2	425	0	0	0	0	0	0
7	Carelsen ,CS (Colin Steyn)	2	967.3	1392.3	2	958.7	1392.3	0	0	0	0	0	0
8	Segelaar ,R (Revean)	2	1	0	1	0	-425	1	1	425	0	0	0
8	Segelaar ,R (Revean)	2	1222.4	1222.4	1	1208.4	797.4	1	1200	1647.4	0	0	0
9	Lombard ,Z (Zia)	2	2	425	1	1	425	1	1	425	0	0	0
9	Lombard ,Z (Zia)	2	1109.2	1534.2	1	1014.7	1534.2	1	1110.4	1534.2	0	0	0
10	Visser ,C (Christiaan Hendrik)	2	1	0	0	0	0	2	1	0	0	0	0
10	Visser ,C (Christiaan Hendrik)	2	1182.1	1182.1	0	0	0	2	1170.2	1182.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Pretorius, B (Bree)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms