Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, Z (Zhelmie)

Chess SA id

2130308530

FIDE id

Date of birth

2013-03-18 (U14)

Gender

Female

Region

Gert Sibande (MGS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1223.3	1200	1241.2	1200
Raw rating	1223.3	1200	1241.2	1200
Weighted rating	1219	1200	1233.6	1200
Weighted performance	0	0	0	0
Floor	723.3	700	741.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.4	165.8	156.4	165.8
Highest rating	1223.3 2024-09-01	1200 2024-08-01	1241.2 2024-09-01	1200 2024-08-01
Highest raw rating	1223.3 2024-09-01	1200 2024-08-01	1241.2 2024-09-01	1200 2024-08-01
Highest weighted rating	1223.3 2024-10-01	1200 2024-08-01	1241.2 2024-10-01	1200 2024-08-01
Highest weighted performance	1200 2024-12-01	1200 2024-08-01	1237 2024-08-01	1200 2024-08-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1223.3	1200	1241.2	1200
Analysis
Rating	1223.3	1200	1241.2	1200
Raw rating	1223.3	1200	1241.2	1200
Weighted rating	1219	1200	1233.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	723.3	700	741.2	700
Max/Min rating change allowed	160.4	165.8	156.4	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	1223.3	1200	1241.2	1200
New weighted rating	1219.8	1200	1235	1200
New weighted performance	0	0	0	0
Temp new rating	1223.3	1200	1241.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1223.3	1200	1241.2	1200
New K-factor	36	36	36	36
New floor	723.3	700	741.2	700

Item	Main	Rapid
	0	0
	0	0
	10	10
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 0		Rapid 10		Blitz 0
Gender	Female
Age group	U14
Region	Gert Sibande (MGS)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	6	60	85	1197.2	1282.2
Standard	0	0	0	0	0	0
Rapid	10	6	60	85	1197.2	1282.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1223.3	1200	1241.2	1200
2025-09-01	1223.3	1200	1241.2	1200
2025-08-01	1223.3	1200	1241.2	1200
2025-07-01	1223.3	1200	1241.2	1200
2025-06-01	1223.3	1200	1241.2	1200
2025-05-01	1223.3	1200	1241.2	1200
2025-04-01	1223.3	1200	1241.2	1200
2025-03-01	1223.3	1200	1241.2	1200
2025-02-01	1223.3	1200	1241.2	1200
2025-01-01	1223.3	1200	1241.2	1200
2024-12-01	1223.3	1200	1241.2	1200
2024-11-01	1223.3	1200	1241.2	1200
2024-10-01	1223.3	1200	1241.2	1200
2024-09-01	1223.3	1200	1241.2	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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	Top Schools Gert Sibande 2024 (B-Teams)	2024-08-16	2024-08-16	Rapid	Gert Sibande (MGS)	5	5	2	Yes	Analysis
2	Govan Mbeki 2024 (B-Teams)	2024-08-02	2024-08-02	Rapid	Gert Sibande (MGS)	5	5	4	Yes	Analysis

#	Games	Start				End
1	4	Tournament Govan Mbeki 2024				Tournament Govan Mbeki 2024
		date 2024-08-02	rnd 2	type Rapid	result 1	date 2024-08-02	rnd 5	type Rapid	result 1
		Opponent Muldoon, C (Connor)				Opponent Brown, B (Brandon)
2	1	Tournament Top Schools Gert Sibande 2024				Tournament Top Schools Gert Sibande 2024
		date 2024-08-16	rnd 4	type Rapid	result 1	date 2024-08-16	rnd 4	type Rapid	result 1
		Opponent Polenakis, C (Christopher)				Opponent Polenakis, C (Christopher)
3	1	Tournament Top Schools Gert Sibande 2024				Tournament Top Schools Gert Sibande 2024
		date 2024-08-16	rnd 2	type Rapid	result 1	date 2024-08-16	rnd 2	type Rapid	result 1
		Opponent Gerber, J (Janru)				Opponent Gerber, J (Janru)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Govan Mbeki 2024				Tournament Govan Mbeki 2024
		date 2024-08-02	rnd 2	type Rapid	result 1	date 2024-08-02	rnd 5	type Rapid	result 1
		Opponent Muldoon, C (Connor)				Opponent Brown, B (Brandon)
2	1	Tournament Top Schools Gert Sibande 2024				Tournament Top Schools Gert Sibande 2024
		date 2024-08-16	rnd 4	type Rapid	result 1	date 2024-08-16	rnd 4	type Rapid	result 1
		Opponent Polenakis, C (Christopher)				Opponent Polenakis, C (Christopher)
3	1	Tournament Top Schools Gert Sibande 2024				Tournament Top Schools Gert Sibande 2024
		date 2024-08-16	rnd 2	type Rapid	result 1	date 2024-08-16	rnd 2	type Rapid	result 1
		Opponent Gerber, J (Janru)				Opponent Gerber, J (Janru)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Govan Mbeki 2024				Tournament Govan Mbeki 2024
		date 2024-08-02	rnd 2	type Rapid	result 1	date 2024-08-02	rnd 5	type Rapid	result 1
		Opponent Muldoon, C (Connor)				Opponent Brown, B (Brandon)
2	1	Tournament Top Schools Gert Sibande 2024				Tournament Top Schools Gert Sibande 2024
		date 2024-08-16	rnd 4	type Rapid	result 1	date 2024-08-16	rnd 4	type Rapid	result 1
		Opponent Polenakis, C (Christopher)				Opponent Polenakis, C (Christopher)
3	1	Tournament Top Schools Gert Sibande 2024				Tournament Top Schools Gert Sibande 2024
		date 2024-08-16	rnd 2	type Rapid	result 1	date 2024-08-16	rnd 2	type Rapid	result 1
		Opponent Gerber, J (Janru)				Opponent Gerber, J (Janru)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Govan Mbeki 2024				Tournament Govan Mbeki 2024
		date 2024-08-02	rnd 2	type Rapid	result 1	date 2024-08-02	rnd 5	type Rapid	result 1
		Opponent Muldoon, C (Connor)				Opponent Brown, B (Brandon)
2	1	Tournament Top Schools Gert Sibande 2024				Tournament Top Schools Gert Sibande 2024
		date 2024-08-16	rnd 4	type Rapid	result 1	date 2024-08-16	rnd 4	type Rapid	result 1
		Opponent Polenakis, C (Christopher)				Opponent Polenakis, C (Christopher)
3	1	Tournament Top Schools Gert Sibande 2024				Tournament Top Schools Gert Sibande 2024
		date 2024-08-16	rnd 2	type Rapid	result 1	date 2024-08-16	rnd 2	type Rapid	result 1
		Opponent Gerber, J (Janru)				Opponent Gerber, J (Janru)

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	Polenakis ,C (Christopher)	2	1	0	0	0	0	2	1	0	0	0	0
1	Polenakis ,C (Christopher)	2	1187.9	1187.9	0	0	0	2	1193.9	1187.9	0	0	0
2	Dlamini ,L (Lee)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Dlamini ,L (Lee)	1	1200	775	0	0	0	1	1200	775	0	0	0
3	Botha ,D (Divan)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Botha ,D (Divan)	1	1226.6	801.6	0	0	0	1	1247.6	801.6	0	0	0
4	Muldoon ,C (Connor)	1	1	425	0	0	0	1	1	425	0	0	0
4	Muldoon ,C (Connor)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
5	Mahloele ,T (Tswelopele)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Mahloele ,T (Tswelopele)	1	1169	744	0	0	0	1	1196.8	744	0	0	0
6	Gerber ,J (Janru)	1	1	425	0	0	0	1	1	425	0	0	0
6	Gerber ,J (Janru)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Brown ,B (Brandon)	1	1	425	0	0	0	1	1	425	0	0	0
7	Brown ,B (Brandon)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Ngenya ,A (Asandile)	1	1	425	0	0	0	1	1	425	0	0	0
8	Ngenya ,A (Asandile)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Vakisai ,M (Mufaro)	1	1	425	0	0	0	1	1	425	0	0	0
9	Vakisai ,M (Mufaro)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Jacobs, Z (Zhelmie)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms