Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ferreira, D (Debone)

Chess SA id

2020108698

FIDE id

Date of birth

2002-04-03 (Adult)

Gender

Female

Region

Cape Town (WCT)

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	996.6	1036	1075.2	1200
Raw rating	996.6	1036	1075.2	1200
Weighted rating	996.6	1036	1075.2	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	221.6	209.5	198.1	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-01-01	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-01-01	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	996.6	1036	1075.2	1200
Analysis
Rating	996.6	1036	1075.2	1200
Raw rating	996.6	1036	1075.2	1200
Weighted rating	996.6	1036	1075.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	221.6	209.5	198.1	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	996.6	1036	1075.2	1200
New weighted rating	996.6	1036	1075.2	1200
New weighted performance	0	0	0	0
Temp new rating	996.6	1036	1075.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	996.6	1036	1075.2	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	10	5	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	10	1	10	-340	851.5	511.5
Standard	5	0	0	-425	849.3	424.3
Rapid	5	1	20	-255	853.7	598.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	996.6	1036	1075.2	1200
2025-09-01	996.6	1036	1075.2	1200
2025-08-01	996.6	1036	1075.2	1200
2025-07-01	996.6	1036	1075.2	1200
2025-06-01	996.6	1036	1075.2	1200
2025-05-01	996.6	1036	1075.2	1200
2025-04-01	996.6	1036	1075.2	1200
2025-03-01	996.6	1036	1075.2	1200
2025-02-01	996.6	1036	1075.2	1200
2025-01-01	996.6	1036	1075.2	1200
2024-12-01	996.6	1036	1075.2	1200
2024-11-01	996.6	1036	1075.2	1200
2024-10-01	996.6	1036	1075.2	1200
2024-09-01	996.6	1036	1075.2	1200
2024-08-01	996.6	1036	1075.2	1200
2024-07-01	996.6	1036	1075.2	1200
2024-06-01	996.6	1036	1075.2	1200
2024-08-01	996.6	1036	1075.2	1200
2024-04-01	996.6	1036	1075.2	1200
2024-03-01	996.6	1036	1075.2	1200
2024-02-01	996.6	1036	1075.2	1200
2024-01-01	996.6	1036	1075.2	1200
2023-12-01	996.6	1036	1075.2	1200
2023-11-01	996.6	1036	1075.2	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 (U18 Girls)	2019-03-16	2019-03-17	Standard	Cape Winelands (WCW)	7	5	0	Yes	Analysis
2	CW Schools Open 2019 (U18 Girls)	2019-02-02	2019-02-02	Rapid	Cape Winelands (WCW)	6	5	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 4	type Rapid	result 1	date 2019-02-02	rnd 4	type Rapid	result 1
		Opponent Ramohlabi, L (Lulu)				Opponent Ramohlabi, L (Lulu)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 4	type Rapid	result 1	date 2019-02-02	rnd 4	type Rapid	result 1
		Opponent Ramohlabi, L (Lulu)				Opponent Ramohlabi, L (Lulu)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 4	type Rapid	result 1	date 2019-02-02	rnd 4	type Rapid	result 1
		Opponent Ramohlabi, L (Lulu)				Opponent Ramohlabi, L (Lulu)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 4	type Rapid	result 1	date 2019-02-02	rnd 4	type Rapid	result 1
		Opponent Ramohlabi, L (Lulu)				Opponent Ramohlabi, L (Lulu)

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	Bowden ,S (Shannonique)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Bowden ,S (Shannonique)	2	1007.2	582.2	1	1035.2	582.2	1	1002.8	582.2	0	0	0
2	Goedeman ,E (Elzane)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Goedeman ,E (Elzane)	2	857	432	1	784	432	1	765.4	432	0	0	0
3	Swiegelaar ,S (Stephany)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Swiegelaar ,S (Stephany)	1	586.8	161.8	1	542.2	161.8	0	0	0	0	0	0
4	Theron ,E (Esli-Ray)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Theron ,E (Esli-Ray)	1	569.4	144.4	1	500	144.4	0	0	0	0	0	0
5	Burger ,A (Ankia)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Burger ,A (Ankia)	1	1168.1	743.1	1	1200	743.1	0	0	0	0	0	0
6	Giani ,M (Mari)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Giani ,M (Mari)	1	839	414	0	0	0	1	860.6	414	0	0	0
7	Ramohlabi ,L (Lulu)	1	1	425	0	0	0	1	1	425	0	0	0
7	Ramohlabi ,L (Lulu)	1	1063.9	1488.9	0	0	0	1	1200	1488.9	0	0	0
8	Van Niekerk ,R (Rhone)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Van Niekerk ,R (Rhone)	1	559.5	134.5	0	0	0	1	597.2	134.5	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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Statistics

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PLAYER PAGE

Personal

Ferreira, D (Debone)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms