Chess South Africa Ratings Database

PLAYER PAGE

Personal

Crook, Z (Zuhrah)

Chess SA id

200045261

FIDE id

Date of birth

2000-09-23 (Adult)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-04-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	664	711.4	578.4	500
Raw rating	664	711.4	578.4	500
Weighted rating	663.8	710.6	578.4	500
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	355.9	332.6	402	449.5
Highest rating	1346.6 2018-03-01	1638.4 2018-03-01	1200 2018-02-01	1200 2024-02-01
Highest raw rating	664 2024-02-01	711.4 2024-02-01	578.4 2024-02-01	500 2024-02-01
Highest weighted rating	664 2024-11-01	711.4 2024-11-01	578.4 2024-11-01	500 2024-11-01
Highest weighted performance	1346.6 2018-03-01	1638.4 2018-03-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	664	711.4	578.4	500
Analysis
Rating	664	711.4	578.4	500
Raw rating	664	711.4	578.4	500
Weighted rating	663.8	710.6	578.4
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	355.9	332.6	402	449.5
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	664	711.4	578.4	500
New weighted rating	663.9	711.2	578.4	500
New weighted performance	0	0	0	0
Temp new rating	664	711.4	578.4	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	664	711.4	578.4	500
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	58	26	32

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Cape Winelands (WCW)
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	17	9	52.94	25	868.1	893.1
Standard	11	6	54.55	38.6	877.8	916.4
Rapid	6	3	50	0	850.4	850.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	664	711.4	578.4	500
2025-09-01	664	711.4	578.4	500
2025-08-01	664	711.4	578.4	500
2025-07-01	664	711.4	578.4	500
2025-06-01	664	711.4	578.4	500
2025-05-01	664	711.4	578.4	500
2025-04-01	664	711.4	578.4	500
2025-03-01	664	711.4	578.4	500
2025-02-01	664	711.4	578.4	500
2025-01-01	664	711.4	578.4	500
2024-12-01	664	711.4	578.4	500
2024-11-01	664	711.4	578.4	500
2024-10-01	664	711.4	578.4	500
2024-09-01	664	711.4	578.4	500
2024-08-01	664	711.4	578.4	500
2024-07-01	664	711.4	578.4	500
2024-06-01	664	711.4	578.4	500
2024-08-01	664	711.4	578.4	500
2024-04-01	664	711.4	578.4	500
2024-03-01	664	711.4	578.4	500
2024-02-01	664	711.4	578.4	500
2024-01-01	664	711.4	578.4	500
2023-12-01	648.8	632.4	578.4	500
2023-11-01	648.8	632.4	578.4	500

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	Spar All Girls Festival 2018	2018-04-28	2018-04-29	Standard	Buffalo City (EBC)	8	8	3	Yes	Analysis
2	Cape Winelands Schools Trials 1 2018 (U18 Girls)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
3	Cape Winelands Schools Prestige 2018 (U18 Girls)	2018-03-24	2018-03-25	Standard	Cape Winelands (WCW)	7	3	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Spar All Girls Festival 2018				Tournament Spar All Girls Festival 2018
		date 2018-04-28	rnd 3	type Standard	result 1	date 2018-04-29	rnd 5	type Standard	result 1
		Opponent Hislop, R (Renae)				Opponent Jomon, S (Sharon)
2	3	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-25	rnd 5	type Standard	result 1	date 2018-03-25	rnd 7	type Standard	result 1
		Opponent Williams, B (Bernelee)				Opponent Bowden, S (Shannonique)
3	3	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 4	type Rapid	result 1
		Opponent Kritzinger, A (Abbigail)				Opponent Bowden, S (Shannonique)

#	Games	Start				End
1	3	Tournament Spar All Girls Festival 2018				Tournament Spar All Girls Festival 2018
		date 2018-04-28	rnd 3	type Standard	result 1	date 2018-04-29	rnd 5	type Standard	result 1
		Opponent Hislop, R (Renae)				Opponent Jomon, S (Sharon)
2	3	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-25	rnd 5	type Standard	result 1	date 2018-03-25	rnd 7	type Standard	result 1
		Opponent Williams, B (Bernelee)				Opponent Bowden, S (Shannonique)

#	Games	Start				End
1	3	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 4	type Rapid	result 1
		Opponent Kritzinger, A (Abbigail)				Opponent Bowden, S (Shannonique)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Spar All Girls Festival 2018				Tournament Spar All Girls Festival 2018
		date 2018-04-28	rnd 3	type Standard	result 1	date 2018-04-29	rnd 5	type Standard	result 1
		Opponent Hislop, R (Renae)				Opponent Jomon, S (Sharon)
2	3	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-25	rnd 5	type Standard	result 1	date 2018-03-25	rnd 7	type Standard	result 1
		Opponent Williams, B (Bernelee)				Opponent Bowden, S (Shannonique)
3	3	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 4	type Rapid	result 1
		Opponent Kritzinger, A (Abbigail)				Opponent Bowden, S (Shannonique)

#	Games	Start				End
1	3	Tournament Spar All Girls Festival 2018				Tournament Spar All Girls Festival 2018
		date 2018-04-28	rnd 3	type Standard	result 1	date 2018-04-29	rnd 5	type Standard	result 1
		Opponent Hislop, R (Renae)				Opponent Jomon, S (Sharon)
2	3	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-25	rnd 5	type Standard	result 1	date 2018-03-25	rnd 7	type Standard	result 1
		Opponent Williams, B (Bernelee)				Opponent Bowden, S (Shannonique)

#	Games	Start				End
1	3	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 4	type Rapid	result 1
		Opponent Kritzinger, A (Abbigail)				Opponent Bowden, S (Shannonique)

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	2	425	1	1	425	1	1	425	0	0	0
1	Bowden ,S (Shannonique)	2	1132.6	1557.6	1	1200	1557.6	1	1082.8	1557.6	0	0	0
2	Jomon ,S (Sharon)	1	1	425	1	1	425	0	0	0	0	0	0
2	Jomon ,S (Sharon)	1	564.2	989.2	1	574	989.2	0	0	0	0	0	0
3	Janse Van Rensburg ,N (Natasha)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Janse Van Rensburg ,N (Natasha)	1	617.7	192.7	1	631	192.7	0	0	0	0	0	0
4	Phiri ,T (Tshego)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Phiri ,T (Tshego)	1	617.3	192.3	1	628.4	192.3	0	0	0	0	0	0
5	Bouw ,K (Kiara)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Bouw ,K (Kiara)	1	600.2	175.2	1	600.2	175.2	0	0	0	0	0	0
6	Hislop ,R (Renae)	1	1	425	1	1	425	0	0	0	0	0	0
6	Hislop ,R (Renae)	1	1094.9	1519.9	1	1200	1519.9	0	0	0	0	0	0
7	Brink ,A (Anke)	1	1	425	1	1	425	0	0	0	0	0	0
7	Brink ,A (Anke)	1	746.2	1171.2	1	765.8	1171.2	0	0	0	0	0	0
8	Williams ,B (Bernelee)	1	1	425	1	1	425	0	0	0	0	0	0
8	Williams ,B (Bernelee)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Dyantyi ,K (Kanyisa)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Dyantyi ,K (Kanyisa)	1	786.7	361.7	1	794	361.7	0	0	0	0	0	0
10	Zeeman ,JA (Johanna Adriana)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Zeeman ,JA (Johanna Adriana)	1	1096.3	671.3	1	1104.6	671.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Crook, Z (Zuhrah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms