Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Villiers, B (Bianca)

Chess SA id

204054165

FIDE id

Date of birth

2004-11-16 (Adult)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-09-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1074.2	1077.5	805.6	806.8
Raw rating	1074.2	1077.5	805.6	806.8
Weighted rating	1074.2	1077.5	805.6	806.8
Weighted performance	233.2	232.8	0	0
Floor	574.2	577.5	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	198.4	197.4	290.8	290.3
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2024-11-01
Highest raw rating	1074.2 2024-02-01	1077.5 2024-02-01	805.6 2024-02-01	806.8 2024-02-01
Highest weighted rating	1074.2 2024-11-01	1077.5 2024-11-01	805.6 2024-11-01	806.8 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1074.2	1077.5	805.6	806.8
Analysis
Rating	1074.2	1077.5	805.6	806.8
Raw rating	1074.2	1077.5	805.6	806.8
Weighted rating	1074.2	1077.5	805.6
Weighted performance	233.2	232.8	0
K-factor	40	40	40	40
Floor	574.2	577.5	500	500
Max/Min rating change allowed	198.4	197.4	290.8	290.3
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	1074.2	1077.5	805.6	806.8
New weighted rating	1074.2	1077.5	805.6	806.8
New weighted performance	232.8	232.5	0	0
Temp new rating	1074.2	1077.5	805.6	806.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1074.2	1077.5	805.6	806.8
New K-factor	40	40	40	40
New floor	574.2	577.5	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	185	167	11	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult 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	78	42.5	54.49	38.1	961	999.1
Standard	71	39.5	55.63	47.9	969.3	1017.1
Rapid	0	0	0	0	0	0
Blitz	7	3	42.86	-60.7	876.8	816.1

Date	Main	Standard	Rapid	Blitz
2025-09-30	1074.2	1077.5	805.6	806.8
2025-09-01	1074.2	1077.5	805.6	806.8
2025-08-01	1074.2	1077.5	805.6	806.8
2025-07-01	1074.2	1077.5	805.6	806.8
2025-06-01	1074.2	1077.5	805.6	806.8
2025-05-01	1074.2	1077.5	805.6	806.8
2025-04-01	1074.2	1077.5	805.6	806.8
2025-03-01	1074.2	1077.5	805.6	806.8
2025-02-01	1074.2	1077.5	805.6	806.8
2025-01-01	1074.2	1077.5	805.6	806.8
2024-12-01	1074.2	1077.5	805.6	806.8
2024-11-01	1074.2	1077.5	805.6	806.8
2024-10-01	1074.2	1077.5	805.6	806.8
2024-09-01	1074.2	1077.5	805.6	806.8
2024-08-01	1074.2	1077.5	805.6	806.8
2024-07-01	1074.2	1077.5	805.6	806.8
2024-06-01	1074.2	1077.5	805.6	806.8
2024-08-01	1074.2	1077.5	805.6	806.8
2024-04-01	1074.2	1077.5	805.6	806.8
2024-03-01	1074.2	1077.5	805.6	806.8
2024-02-01	1074.2	1077.5	805.6	806.8
2024-01-01	1074.2	1077.5	805.6	806.8
2023-12-01	1074.2	1077.5	805.6	806.8
2023-11-01	1074.2	1077.5	805.6	806.8

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	Western Cape Top Schools 2019 (U18 Girls)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Eden Trials 3 2019 (U16 Open)	2019-05-11	2019-05-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
3	Eden Trials 2 2019 (U16 Open)	2019-04-13	2019-04-13	Standard	Eden (WEG)	5	4	2	Yes	Analysis
4	George Trials 3 2019 (U16)	2019-02-23	2019-02-23	Standard	Eden (WEG)	5	4	3	Yes	Analysis
5	George Trials 2 2019 (U16)	2019-02-09	2019-02-09	Standard	Eden (WEG)	5	5	2	Yes	Analysis
6	South African Junior Team Championships 2018 (U16A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	1.5	Yes	Analysis
7	EDENSC Closed 3 2018 (U16 Open)	2018-05-12	2018-05-12	Standard	Eden (WEG)	5	5	3	Yes	Analysis
8	Western Cape Schools Individuals 2018 (U15 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
9	EDENSC Closed 2 2018 (U16 Open)	2018-04-14	2018-04-14	Standard	Eden (WEG)	5	5	3	Yes	Analysis
10	EDENSC Closed 1 2018 (U16 Boys)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	5	4	Yes	Analysis
11	George Trails 3 2018 (U16)	2018-02-24	2018-02-24	Standard	Eden (WEG)	5	5	3	Yes	Analysis
12	George Trails 2 2018 (U16)	2018-02-10	2018-02-10	Standard	Eden (WEG)	5	4	3	Yes	Analysis
13	George Trails 1 2018 (U16)	2018-01-27	2018-01-27	Standard	Eden (WEG)	5	5	2	Yes	Analysis
14	South African Junior Blitz 2017 Championships (B)	2018-01-07	2018-01-07	Blitz	4 Knights (4K)	7	7	3	Yes	Analysis
15	South African Junior Team Championships 2017 (U14 Girls)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament EDENSC Closed 3 2018				Tournament Western Cape Schools Individuals 2018
		date 2018-05-12	rnd 5	type Standard	result 1	date 2018-05-20	rnd 5	type Standard	result 0.5
		Opponent Fana, L (Lisakhanyo)				Opponent Williams, K (Kecia)
2	3	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 3	type Standard	result 1	date 2018-03-10	rnd 5	type Standard	result 1
		Opponent Wence, S (Shandro)				Opponent Stuurman, L (Luciano)
3	3	Tournament George Trails 2 2018				Tournament George Trails 2 2018
		date 2018-02-10	rnd 2	type Standard	result 1	date 2018-02-10	rnd 4	type Standard	result 1
		Opponent Carelse, A (Anwill)				Opponent Carstens, K (Keanan)

#	Games	Start				End
1	6	Tournament EDENSC Closed 3 2018				Tournament Western Cape Schools Individuals 2018
		date 2018-05-12	rnd 5	type Standard	result 1	date 2018-05-20	rnd 5	type Standard	result 0.5
		Opponent Fana, L (Lisakhanyo)				Opponent Williams, K (Kecia)
2	3	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 3	type Standard	result 1	date 2018-03-10	rnd 5	type Standard	result 1
		Opponent Wence, S (Shandro)				Opponent Stuurman, L (Luciano)
3	3	Tournament George Trails 2 2018				Tournament George Trails 2 2018
		date 2018-02-10	rnd 2	type Standard	result 1	date 2018-02-10	rnd 4	type Standard	result 1
		Opponent Carelse, A (Anwill)				Opponent Carstens, K (Keanan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 6	type Blitz	result 1	date 2018-01-07	rnd 6	type Blitz	result 1
		Opponent Louw, R (Raynor)				Opponent Louw, R (Raynor)
2	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 3	type Blitz	result 1	date 2018-01-07	rnd 3	type Blitz	result 1
		Opponent Sopanam Prabha, A (Arjun)				Opponent Sopanam Prabha, A (Arjun)
3	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 1	type Blitz	result 1	date 2018-01-07	rnd 1	type Blitz	result 1
		Opponent Villoen, M (Marko)				Opponent Villoen, M (Marko)

#	Games	Start				End
1	3	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 3	type Standard	result 1	date 2018-03-10	rnd 5	type Standard	result 1
		Opponent Wence, S (Shandro)				Opponent Stuurman, L (Luciano)
2	3	Tournament George Trails 2 2018				Tournament George Trails 2 2018
		date 2018-02-10	rnd 2	type Standard	result 1	date 2018-02-10	rnd 4	type Standard	result 1
		Opponent Carelse, A (Anwill)				Opponent Carstens, K (Keanan)
3	2	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-09-01	rnd 4	type Standard	result 1	date 2019-09-01	rnd 5	type Standard	result 1
		Opponent Goedeman, E (Elzaan)				Opponent Matsibisa, S (Shamila)

#	Games	Start				End
1	3	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 3	type Standard	result 1	date 2018-03-10	rnd 5	type Standard	result 1
		Opponent Wence, S (Shandro)				Opponent Stuurman, L (Luciano)
2	3	Tournament George Trails 2 2018				Tournament George Trails 2 2018
		date 2018-02-10	rnd 2	type Standard	result 1	date 2018-02-10	rnd 4	type Standard	result 1
		Opponent Carelse, A (Anwill)				Opponent Carstens, K (Keanan)
3	2	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-09-01	rnd 4	type Standard	result 1	date 2019-09-01	rnd 5	type Standard	result 1
		Opponent Goedeman, E (Elzaan)				Opponent Matsibisa, S (Shamila)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 6	type Blitz	result 1	date 2018-01-07	rnd 6	type Blitz	result 1
		Opponent Louw, R (Raynor)				Opponent Louw, R (Raynor)
2	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 3	type Blitz	result 1	date 2018-01-07	rnd 3	type Blitz	result 1
		Opponent Sopanam Prabha, A (Arjun)				Opponent Sopanam Prabha, A (Arjun)
3	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 1	type Blitz	result 1	date 2018-01-07	rnd 1	type Blitz	result 1
		Opponent Villoen, M (Marko)				Opponent Villoen, M (Marko)

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	Botha ,J (Jonathan)	2	1	0	2	1	0	0	0	0	0	0	0
1	Botha ,J (Jonathan)	2	1053.4	1053.4	2	1079.2	1053.4	0	0	0	0	0	0
2	Van Loggerenberg ,P (Pierre)	2	1	0	2	1	0	0	0	0	0	0	0
2	Van Loggerenberg ,P (Pierre)	2	771.3	771.3	2	780	771.3	0	0	0	0	0	0
3	Booysen ,O (Orin)	2	2	425	2	2	425	0	0	0	0	0	0
3	Booysen ,O (Orin)	2	1164.3	1589.3	2	1156.6	1589.3	0	0	0	0	0	0
4	Mabgwe ,R (Rutendo)	2	2	425	2	2	425	0	0	0	0	0	0
4	Mabgwe ,R (Rutendo)	2	1170.7	1595.7	2	1162.6	1595.7	0	0	0	0	0	0
5	Carstens ,K (Keanan)	2	1	0	2	1	0	0	0	0	0	0	0
5	Carstens ,K (Keanan)	2	897.2	897.2	2	897.2	897.2	0	0	0	0	0	0
6	Wence ,S (Shandro)	2	1	0	2	1	0	0	0	0	0	0	0
6	Wence ,S (Shandro)	2	586.1	586.1	2	592.2	586.1	0	0	0	0	0	0
7	Stoffels ,C (Courtney)	2	2	425	2	2	425	0	0	0	0	0	0
7	Stoffels ,C (Courtney)	2	629	1054	2	629	1054	0	0	0	0	0	0
8	Ligwa ,A (Anastacia)	1	1	425	1	1	425	0	0	0	0	0	0
8	Ligwa ,A (Anastacia)	1	657	1082	1	689.2	1082	0	0	0	0	0	0
9	Farah ,M (Mohamed)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Farah ,M (Mohamed)	1	1123.6	698.6	1	1107.6	698.6	0	0	0	0	0	0
10	Gaca ,N (Natalia)	1	1	425	1	1	425	0	0	0	0	0	0
10	Gaca ,N (Natalia)	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

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PLAYER PAGE

Personal

De Villiers, B (Bianca)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms