Chess South Africa Ratings Database

PLAYER PAGE

Personal

Goldstuck, Z (Zianda Chelsea)

Chess SA id

202010660

FIDE id

Date of birth

2002-03-05 (Adult)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

CPA

Chess SA registered

Last active game

2020-01-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1120.9	1109.3	814	814
Raw rating	1120.9	1109.3	814	814
Weighted rating	1120.9	1109.3	814	814
Weighted performance	255.1	253.7	0	0
Floor	741.3	740.7	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	185.6	188.7	287.4	287.4
Highest rating	1254.6 2019-07-01	1251.9 2019-07-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1241.3 2019-08-01	1240.7 2019-08-01	814 2024-02-01	814 2024-02-01
Highest weighted rating	1241.3 2024-11-01	1240.7 2024-11-01	814 2024-11-01	814 2024-11-01
Highest weighted performance	1254.6 2019-07-01	1251.9 2019-07-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1120.9	1109.3	814	814
Analysis
Rating	1120.9	1109.3	814	814
Raw rating	1120.9	1109.3	814	814
Weighted rating	1120.9	1109.3	814
Weighted performance	255.1	253.7	0
K-factor	36	36	40	40
Floor	741.3	740.7	500	500
Max/Min rating change allowed	185.6	188.7	287.4	287.4
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	1120.9	1109.3	814	814
New weighted rating	1120.9	1109.3	814	814
New weighted performance	248.9	247.5	0	0
Temp new rating	1120.9	1109.3	814	814
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1120.9	1109.3	814	814
New K-factor	36	36	40	40
New floor	741.3	740.7	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	195	189	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	87	39.5	45.4	-39.1	1122.3	1083.2
Standard	87	39.5	45.4	-39.1	1122.3	1083.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1120.9	1109.3	814	814
2025-09-30	1120.9	1109.3	814	814
2025-09-01	1120.9	1109.3	814	814
2025-08-01	1120.9	1109.3	814	814
2025-07-01	1120.9	1109.3	814	814
2025-06-01	1120.9	1109.3	814	814
2025-05-01	1120.9	1109.3	814	814
2025-04-01	1120.9	1109.3	814	814
2025-03-01	1120.9	1109.3	814	814
2025-02-01	1120.9	1109.3	814	814
2025-01-01	1120.9	1109.3	814	814
2024-12-01	1120.9	1109.3	814	814
2024-11-01	1120.9	1109.3	814	814
2024-10-01	1120.9	1109.3	814	814
2024-09-01	1120.9	1109.3	814	814
2024-08-01	1120.9	1109.3	814	814
2024-07-01	1120.9	1109.3	814	814
2024-09-01	1120.9	1109.3	814	814
2024-05-01	1120.9	1109.3	814	814
2024-04-01	1120.9	1109.3	814	814
2024-03-01	1120.9	1109.3	814	814
2024-02-01	1120.9	1109.3	814	814
2024-01-01	1120.9	1109.3	814	814
2023-12-01	1120.9	1109.3	814	814

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	2019 South African Junior Team Championships (U18B)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	1	Yes	Analysis
2	GJM vs GE Inter Region 2019 (U18B)	2019-10-05	2019-10-05	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
3	JHB Metro Closed 2019 (Open)	2019-07-27	2019-07-28	Standard	Johannesburg Metro (GJM)	6	6	1.5	Yes	Analysis
4	Chessnuts Under 1200 Rated Tournament 2019 (Kings)	2019-07-13	2019-07-13	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	JHB North High School League 2019	2019-02-19	2019-07-22	Standard	Chess Excellence (CEX)	5	5	4.5	Yes	Analysis
6	The Metro Open 2019 (Prestige)	2019-05-25	2019-05-26	Standard	Johannesburg Metro (GJM)	6	5	1.5	Yes	Analysis
7	JNW Club - Bryanston Open 2 2019 (C)	2019-05-11	2019-05-11	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
8	JNW Club - Charterhouse Open 2019 (C)	2019-04-13	2019-04-13	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
9	Chessnuts Under 1200 6 April 2019 (Kings)	2019-04-06	2019-04-06	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
10	JNW Club - Trinityhouse Randpark Ridge Open 2019 (D)	2019-03-09	2019-03-09	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
11	JNW Club - Trinityhouse Little Falls Open 2019 (D)	2019-02-23	2019-02-23	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
12	Chessnuts Challenge 1 2019 (Knights)	2019-02-02	2019-02-02	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
13	Outpost 2nd Open 2018 (C)	2018-08-25	2018-08-25	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
14	ChessExcellence JHB North High School League 2018	2018-02-19	2018-06-18	Standard	Chess Excellence (CEX)	5	5	1.5	Yes	Analysis
15	JNW Club - Linden Open 2018 (C)	2018-04-14	2018-04-14	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
16	Randburg Club - Summer Swiss 2018	2018-01-30	2018-03-13	Standard	Johannesburg Metro (GJM)	7	5	1	Yes	Analysis
17	JNW Club - Bryanston Open 2018 (C)	2018-01-26	2018-01-27	Standard	Johannesburg Metro (GJM)	6	4	1	Yes	Analysis

#	Games	Start				End
1	10	Tournament Chessnuts Challenge 1 2019				Tournament JNW Club - Trinityhouse Little Falls Open 2019
		date 2019-02-02	rnd 1	type Standard	result 1	date 2019-02-23	rnd 4	type Standard	result 1
		Opponent Rossouw, A (Andries Jacobus Putter)				Opponent Pather, J (Juveshan)
2	4	Tournament JHB North High School League 2019				Tournament Chessnuts Under 1200 Rated Tournament 2019
		date 2019-05-27	rnd 3	type Standard	result 1	date 2019-07-13	rnd 2	type Standard	result 1
		Opponent Pather, N (Nicholas)				Opponent Rai, A (Akansha)
3	4	Tournament JNW Club - Charterhouse Open 2019				Tournament JNW Club - Charterhouse Open 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 5	type Standard	result 1
		Opponent D`Alton, E (Ezra)				Opponent Van Stryp, O (Ockert)

#	Games	Start				End
1	10	Tournament Chessnuts Challenge 1 2019				Tournament JNW Club - Trinityhouse Little Falls Open 2019
		date 2019-02-02	rnd 1	type Standard	result 1	date 2019-02-23	rnd 4	type Standard	result 1
		Opponent Rossouw, A (Andries Jacobus Putter)				Opponent Pather, J (Juveshan)
2	4	Tournament JHB North High School League 2019				Tournament Chessnuts Under 1200 Rated Tournament 2019
		date 2019-05-27	rnd 3	type Standard	result 1	date 2019-07-13	rnd 2	type Standard	result 1
		Opponent Pather, N (Nicholas)				Opponent Rai, A (Akansha)
3	4	Tournament JNW Club - Charterhouse Open 2019				Tournament JNW Club - Charterhouse Open 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 5	type Standard	result 1
		Opponent D`Alton, E (Ezra)				Opponent Van Stryp, O (Ockert)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Chessnuts Challenge 1 2019				Tournament JHB North High School League 2019
		date 2019-02-02	rnd 1	type Standard	result 1	date 2019-02-19	rnd 1	type Standard	result 1
		Opponent Rossouw, A (Andries Jacobus Putter)				Opponent Enfield, E (Eliezer)
2	3	Tournament JNW Club - Trinityhouse Little Falls Open 2019				Tournament JNW Club - Trinityhouse Little Falls Open 2019
		date 2019-02-23	rnd 2	type Standard	result 1	date 2019-02-23	rnd 4	type Standard	result 1
		Opponent Storm, BS (Ben Simon)				Opponent Pather, J (Juveshan)
3	2	Tournament Chessnuts Under 1200 Rated Tournament 2019				Tournament Chessnuts Under 1200 Rated Tournament 2019
		date 2019-07-13	rnd 1	type Standard	result 1	date 2019-07-13	rnd 2	type Standard	result 1
		Opponent Van Der Spoel, R (Robert)				Opponent Rai, A (Akansha)

#	Games	Start				End
1	6	Tournament Chessnuts Challenge 1 2019				Tournament JHB North High School League 2019
		date 2019-02-02	rnd 1	type Standard	result 1	date 2019-02-19	rnd 1	type Standard	result 1
		Opponent Rossouw, A (Andries Jacobus Putter)				Opponent Enfield, E (Eliezer)
2	3	Tournament JNW Club - Trinityhouse Little Falls Open 2019				Tournament JNW Club - Trinityhouse Little Falls Open 2019
		date 2019-02-23	rnd 2	type Standard	result 1	date 2019-02-23	rnd 4	type Standard	result 1
		Opponent Storm, BS (Ben Simon)				Opponent Pather, J (Juveshan)
3	2	Tournament Chessnuts Under 1200 Rated Tournament 2019				Tournament Chessnuts Under 1200 Rated Tournament 2019
		date 2019-07-13	rnd 1	type Standard	result 1	date 2019-07-13	rnd 2	type Standard	result 1
		Opponent Van Der Spoel, R (Robert)				Opponent Rai, A (Akansha)

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	Nkuna ,R (Rhukanani)	4	2	0	4	2	0	0	0	0	0	0	0
1	Nkuna ,R (Rhukanani)	4	1199.4	1199.4	4	1192.8	1199.4	0	0	0	0	0	0
2	Rai ,A (Akansha)	2	2	425	2	2	425	0	0	0	0	0	0
2	Rai ,A (Akansha)	2	1106.2	1531.2	2	1098.2	1531.2	0	0	0	0	0	0
3	Voigt ,H (Heinrich)	2	1	0	2	1	0	0	0	0	0	0	0
3	Voigt ,H (Heinrich)	2	872.3	872.3	2	867.4	872.3	0	0	0	0	0	0
4	Paraian ,N (Nicolai)	2	1	0	2	1	0	0	0	0	0	0	0
4	Paraian ,N (Nicolai)	2	1041.2	1041.2	2	1035.6	1041.2	0	0	0	0	0	0
5	De Villiers ,J (Juan)	2	2	425	2	2	425	0	0	0	0	0	0
5	De Villiers ,J (Juan)	2	1153.2	1578.2	2	1148.8	1578.2	0	0	0	0	0	0
6	Steyn ,T (Tjaart)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Steyn ,T (Tjaart)	2	1257.4	832.4	2	1253.6	832.4	0	0	0	0	0	0
7	Ndhlovu ,A (Aphiwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Ndhlovu ,A (Aphiwe)	1	1152.2	727.2	1	1142.7	727.2	0	0	0	0	0	0
8	Le Roux ,D (Daniel)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Le Roux ,D (Daniel)	1	1203.9	1203.9	1	1203.6	1203.9	0	0	0	0	0	0
9	Naidoo ,Y (Yasthi)	1	1	425	1	1	425	0	0	0	0	0	0
9	Naidoo ,Y (Yasthi)	1	948.3	1373.3	1	937.8	1373.3	0	0	0	0	0	0
10	Voigt ,D (Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Voigt ,D (Daniel)	1	847.8	422.8	1	847.8	422.8	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

Goldstuck, Z (Zianda Chelsea)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms