Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, B (Bianca)

Chess SA id

200039061

FIDE id

Date of birth

2000-03-24 (Adult)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-12-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1100.3	1114.2	849	885
Raw rating	1100.3	1114.2	849	885
Weighted rating	1100.3	1114.2	849	885
Weighted performance	374	0	0	0
Floor	600.3	614.2	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	191.1	187.4	273.4	259.7
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2018-02-01	1200 2024-02-01
Highest raw rating	1100.3 2024-02-01	1114.2 2024-02-01	885 2018-02-01	885 2024-02-01
Highest weighted rating	1100.3 2024-11-01	1114.2 2024-11-01	885 2024-11-01	885 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1100.3	1114.2	849	885
Analysis
Rating	1100.3	1114.2	849	885
Raw rating	1100.3	1114.2	849	885
Weighted rating	1100.3	1114.2	849
Weighted performance	374	0	0
K-factor	40	40	40	40
Floor	600.3	614.2	500	500
Max/Min rating change allowed	191.1	187.4	273.4	259.7
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	1100.3	1114.2	849	885
New weighted rating	1100.3	1114.2	849	885
New weighted performance	368	0	0	0
Temp new rating	1100.3	1114.2	849	885
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1100.3	1114.2	849	885
New K-factor	40	40	40	40
New floor	600.3	614.2	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	9	9	0
	0	0	0
History	59	54	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Cape Town (WCT)
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	38	13	34.21	-134.2	1210.1	1075.9
Standard	33	13	39.39	-90.2	1204.9	1114.7
Rapid	5	0	0	-425	1244.8	819.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1100.3	1114.2	849	885
2025-09-30	1100.3	1114.2	849	885
2025-09-01	1100.3	1114.2	849	885
2025-08-01	1100.3	1114.2	849	885
2025-07-01	1100.3	1114.2	849	885
2025-06-01	1100.3	1114.2	849	885
2025-05-01	1100.3	1114.2	849	885
2025-04-01	1100.3	1114.2	849	885
2025-03-01	1100.3	1114.2	849	885
2025-02-01	1100.3	1114.2	849	885
2025-01-01	1100.3	1114.2	849	885
2024-12-01	1100.3	1114.2	849	885
2024-11-01	1100.3	1114.2	849	885
2024-10-01	1100.3	1114.2	849	885
2024-09-01	1100.3	1114.2	849	885
2024-08-01	1100.3	1114.2	849	885
2024-07-01	1100.3	1114.2	849	885
2024-09-01	1100.3	1114.2	849	885
2024-05-01	1100.3	1114.2	849	885
2024-04-01	1100.3	1114.2	849	885
2024-03-01	1100.3	1114.2	849	885
2024-02-01	1100.3	1114.2	849	885
2024-01-01	1100.3	1114.2	849	885
2023-12-01	1100.3	1114.2	849	885

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	Ussa Chess Championships 2022 (Ladies)	2022-12-05	2022-12-09	Standard	Frances Baard (NCF)	9	9	4.5	Yes	Analysis
2	3rd ACL Chess Festival 2019 (Open)	2019-09-05	2019-09-05	Rapid	Cape Town (WCT)	6	5	0	Yes	Analysis
3	2019 Western Province League (C)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	6	2.5	Yes	Analysis
4	2019 Western Province League (E)	2019-07-27	2019-08-10	Standard	Cape Town (WCT)	9	3	1	Yes	Analysis
5	2019 WP Youth Open (C)	2019-07-13	2019-07-13	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis
6	Western Cape Top Schools 2018 (U15-U19 Girls)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	4	0.5	Yes	Analysis
7	2018 Central District Trials (U18)	2018-02-02	2018-02-03	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2019 WP Youth Open				Tournament 2019 WP Youth Open
		date 2019-07-13	rnd 3	type Standard	result 1	date 2019-07-13	rnd 5	type Standard	result 1
		Opponent Masephe, N (Ntsika)				Opponent Solomon, I (Izaiah)
2	2	Tournament Ussa Chess Championships 2022				Tournament Ussa Chess Championships 2022
		date 2022-12-08	rnd 6	type Standard	result 1	date 2022-12-08	rnd 7	type Standard	result 0.5
		Opponent Ramatsetse, L (Lehlogonolo)				Opponent Segooa, K (Kelebogile)
3	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-03	rnd 3	type Standard	result 1	date 2019-08-03	rnd 4	type Standard	result 1
		Opponent Smith, L (Lyle)				Opponent Mackintosh, M (Michaella)

#	Games	Start				End
1	3	Tournament 2019 WP Youth Open				Tournament 2019 WP Youth Open
		date 2019-07-13	rnd 3	type Standard	result 1	date 2019-07-13	rnd 5	type Standard	result 1
		Opponent Masephe, N (Ntsika)				Opponent Solomon, I (Izaiah)
2	2	Tournament Ussa Chess Championships 2022				Tournament Ussa Chess Championships 2022
		date 2022-12-08	rnd 6	type Standard	result 1	date 2022-12-08	rnd 7	type Standard	result 0.5
		Opponent Ramatsetse, L (Lehlogonolo)				Opponent Segooa, K (Kelebogile)
3	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-03	rnd 3	type Standard	result 1	date 2019-08-03	rnd 4	type Standard	result 1
		Opponent Smith, L (Lyle)				Opponent Mackintosh, M (Michaella)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-03	rnd 3	type Standard	result 1	date 2019-08-03	rnd 4	type Standard	result 1
		Opponent Smith, L (Lyle)				Opponent Mackintosh, M (Michaella)
2	1	Tournament Ussa Chess Championships 2022				Tournament Ussa Chess Championships 2022
		date 2022-12-09	rnd 9	type Standard	result 1	date 2022-12-09	rnd 9	type Standard	result 1
		Opponent Mkhulisi, P (Palesa)				Opponent Mkhulisi, P (Palesa)
3	1	Tournament Ussa Chess Championships 2022				Tournament Ussa Chess Championships 2022
		date 2022-12-08	rnd 6	type Standard	result 1	date 2022-12-08	rnd 6	type Standard	result 1
		Opponent Ramatsetse, L (Lehlogonolo)				Opponent Ramatsetse, L (Lehlogonolo)

#	Games	Start				End
1	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-03	rnd 3	type Standard	result 1	date 2019-08-03	rnd 4	type Standard	result 1
		Opponent Smith, L (Lyle)				Opponent Mackintosh, M (Michaella)
2	1	Tournament Ussa Chess Championships 2022				Tournament Ussa Chess Championships 2022
		date 2022-12-09	rnd 9	type Standard	result 1	date 2022-12-09	rnd 9	type Standard	result 1
		Opponent Mkhulisi, P (Palesa)				Opponent Mkhulisi, P (Palesa)
3	1	Tournament Ussa Chess Championships 2022				Tournament Ussa Chess Championships 2022
		date 2022-12-08	rnd 6	type Standard	result 1	date 2022-12-08	rnd 6	type Standard	result 1
		Opponent Ramatsetse, L (Lehlogonolo)				Opponent Ramatsetse, L (Lehlogonolo)

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	Ramatsetse ,L (Lehlogonolo)	1	1	425	1	1	425	0	0	0	0	0	0
1	Ramatsetse ,L (Lehlogonolo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Ohlson ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Ohlson ,L (Liam)	1	1437	1012	1	1429.3	1012	0	0	0	0	0	0
3	Tlhaganyane ,B (Boikhutso)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Tlhaganyane ,B (Boikhutso)	1	1166.7	741.7	1	1168.8	741.7	0	0	0	0	0	0
4	Hendricks ,T (Tharwat)	1	1	425	1	1	425	0	0	0	0	0	0
4	Hendricks ,T (Tharwat)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Mangwane ,N (Neo)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mangwane ,N (Neo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Masephe ,N (Ntsika)	1	1	425	1	1	425	0	0	0	0	0	0
6	Masephe ,N (Ntsika)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Waglay ,A (Anwar Ali)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Waglay ,A (Anwar Ali)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Mdlalose ,N (Nomthandazo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mdlalose ,N (Nomthandazo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Witbooi ,L (Lwando)	1	1	425	1	1	425	0	0	0	0	0	0
9	Witbooi ,L (Lwando)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Msila ,A (Ayanda)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Msila ,A (Ayanda)	1	1200	775	1	1200	775	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

Van Der Merwe, 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