Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, J (Jordan)

Chess SA id

107058910

FIDE id

Date of birth

2007-06-07 (U20)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-03-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1111.3	1098.6	992.2	965
Raw rating	1111.3	1098.6	992.2	965
Weighted rating	1111.3	1098.6	992.2	965
Weighted performance	366.6	187.1	0	0
Floor	611.3	598.6	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	188.2	191.6	222.9	231.8
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2020-01-01	1200 2024-02-01
Highest raw rating	1111.3 2024-02-01	1098.6 2024-02-01	992.2 2024-02-01	965 2024-02-01
Highest weighted rating	1111.3 2024-11-01	1098.6 2024-11-01	992.2 2024-11-01	965 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1111.3	1098.6	992.2	965
Analysis
Rating	1111.3	1098.6	992.2	965
Raw rating	1111.3	1098.6	992.2	965
Weighted rating	1111.3	1098.6	992.2
Weighted performance	366.6	187.1	0
K-factor	40	40	40	40
Floor	611.3	598.6	500	500
Max/Min rating change allowed	188.2	191.6	222.9	231.8
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	1111.3	1098.6	992.2	965
New weighted rating	1111.3	1098.6	992.2	965
New weighted performance	359.7	180.4	0	0
Temp new rating	1111.3	1098.6	992.2	965
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1111.3	1098.6	992.2	965
New K-factor	40	40	40	40
New floor	611.3	598.6	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	5	0	5	0
	0	0	0	0
History	201	162	32	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-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	34	20.5	60.29	87.5	1029.5	1117
Standard	29	18	62.07	102.6	983.3	1085.9
Rapid	5	2.5	50	0	1297.3	1297.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1111.3	1098.6	992.2	965
2025-09-30	1111.3	1098.6	992.2	965
2025-09-01	1111.3	1098.6	992.2	965
2025-08-01	1111.3	1098.6	992.2	965
2025-07-01	1111.3	1098.6	992.2	965
2025-06-01	1111.3	1098.6	992.2	965
2025-05-01	1111.3	1098.6	992.2	965
2025-04-01	1111.3	1098.6	992.2	965
2025-03-01	1111.3	1098.6	992.2	965
2025-02-01	1111.3	1098.6	992.2	965
2025-01-01	1111.3	1098.6	992.2	965
2024-12-01	1111.3	1098.6	992.2	965
2024-11-01	1111.3	1098.6	992.2	965
2024-10-01	1111.3	1098.6	992.2	965
2024-09-01	1111.3	1098.6	992.2	965
2024-08-01	1111.3	1098.6	992.2	965
2024-07-01	1111.3	1098.6	992.2	965
2024-09-01	1111.3	1098.6	992.2	965
2024-05-01	1111.3	1098.6	992.2	965
2024-04-01	1111.3	1098.6	992.2	965
2024-03-01	1111.3	1098.6	992.2	965
2024-02-01	1111.3	1098.6	992.2	965
2024-01-01	1111.3	1098.6	992.2	965
2023-12-01	1111.3	1098.6	992.2	965

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	District North 2022 (U15)	2022-03-06	2022-03-06	Rapid	Cape Town (WCT)	6	5	2.5	Yes	Analysis
2	Metro North Individual Trials 2020 (U15)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
3	District North Schools Chess Trials 2019 (U13)	2019-01-25	2019-01-26	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
4	2018 WP Schools Closed Trials (U11 Boys)	2018-03-09	2018-03-10	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
5	District North Schools Chess Open Trials 2018 (U11)	2018-02-09	2018-02-10	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
6	South African Junior Team Championships 2017 (U12B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2017				Tournament District North Schools Chess Open Trials 2018
		date 2018-01-07	rnd 6	type Standard	result 0.5	date 2018-02-09	rnd 2	type Standard	result 1
		Opponent Mmethi, K (Kgabo)				Opponent Dicks, D (Drake)
2	3	Tournament District North 2022				Tournament District North 2022
		date 2022-03-06	rnd 3	type Rapid	result 1	date 2022-03-06	rnd 5	type Rapid	result 1
		Opponent Wagenaar, M (Madison)				Opponent Afonso, IS (Isabella)
3	3	Tournament District North Schools Chess Trials 2019				Tournament District North Schools Chess Trials 2019
		date 2019-01-26	rnd 3	type Standard	result 1	date 2019-01-26	rnd 5	type Standard	result 1
		Opponent Hagen, D (Dirk)				Opponent La Cock, R (Reuben)

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2017				Tournament District North Schools Chess Open Trials 2018
		date 2018-01-07	rnd 6	type Standard	result 0.5	date 2018-02-09	rnd 2	type Standard	result 1
		Opponent Mmethi, K (Kgabo)				Opponent Dicks, D (Drake)
2	3	Tournament District North Schools Chess Trials 2019				Tournament District North Schools Chess Trials 2019
		date 2019-01-26	rnd 3	type Standard	result 1	date 2019-01-26	rnd 5	type Standard	result 1
		Opponent Hagen, D (Dirk)				Opponent La Cock, R (Reuben)
3	3	Tournament 2018 WP Schools Closed Trials				Tournament 2018 WP Schools Closed Trials
		date 2018-03-10	rnd 3	type Standard	result 1	date 2018-03-10	rnd 5	type Standard	result 0.5
		Opponent Gill, E (Evan)				Opponent Eaton, M (Morgan)

#	Games	Start				End
1	3	Tournament District North 2022				Tournament District North 2022
		date 2022-03-06	rnd 3	type Rapid	result 1	date 2022-03-06	rnd 5	type Rapid	result 1
		Opponent Wagenaar, M (Madison)				Opponent Afonso, IS (Isabella)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament District North Schools Chess Trials 2019				Tournament District North Schools Chess Trials 2019
		date 2019-01-26	rnd 3	type Standard	result 1	date 2019-01-26	rnd 5	type Standard	result 1
		Opponent Hagen, D (Dirk)				Opponent La Cock, R (Reuben)
2	3	Tournament South African Junior Team Championships 2017				Tournament District North Schools Chess Open Trials 2018
		date 2018-01-08	rnd 7	type Standard	result 1	date 2018-02-09	rnd 2	type Standard	result 1
		Opponent Sheldon, A (Ackim)				Opponent Dicks, D (Drake)
3	3	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-05	rnd 3	type Standard	result 1
		Opponent Pringle, LJ (Liam)				Opponent Rodrigues, T (Teegan)

#	Games	Start				End
1	3	Tournament District North Schools Chess Trials 2019				Tournament District North Schools Chess Trials 2019
		date 2019-01-26	rnd 3	type Standard	result 1	date 2019-01-26	rnd 5	type Standard	result 1
		Opponent Hagen, D (Dirk)				Opponent La Cock, R (Reuben)
2	3	Tournament South African Junior Team Championships 2017				Tournament District North Schools Chess Open Trials 2018
		date 2018-01-08	rnd 7	type Standard	result 1	date 2018-02-09	rnd 2	type Standard	result 1
		Opponent Sheldon, A (Ackim)				Opponent Dicks, D (Drake)
3	3	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-05	rnd 3	type Standard	result 1
		Opponent Pringle, LJ (Liam)				Opponent Rodrigues, T (Teegan)

#	Games	Start				End
1	1	Tournament District North 2022				Tournament District North 2022
		date 2022-03-06	rnd 5	type Rapid	result 1	date 2022-03-06	rnd 5	type Rapid	result 1
		Opponent Afonso, IS (Isabella)				Opponent Afonso, IS (Isabella)
2	1	Tournament District North 2022				Tournament District North 2022
		date 2022-03-06	rnd 3	type Rapid	result 1	date 2022-03-06	rnd 3	type Rapid	result 1
		Opponent Wagenaar, M (Madison)				Opponent Wagenaar, M (Madison)

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	Gill ,E (Evan)	1	1	425	1	1	425	0	0	0	0	0	0
1	Gill ,E (Evan)	1	764	1189	1	780.6	1189	0	0	0	0	0	0
2	Sheldon ,A (Ackim)	1	1	425	1	1	425	0	0	0	0	0	0
2	Sheldon ,A (Ackim)	1	871	1296	1	871	1296	0	0	0	0	0	0
3	Sanger ,J (Jorden)	1	1	425	1	1	425	0	0	0	0	0	0
3	Sanger ,J (Jorden)	1	1151.9	1576.9	1	1142	1576.9	0	0	0	0	0	0
4	Joshi ,R (Ritvik)	1	1	425	1	1	425	0	0	0	0	0	0
4	Joshi ,R (Ritvik)	1	743.6	1168.6	1	769	1168.6	0	0	0	0	0	0
5	Becker ,M (Matthew)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Becker ,M (Matthew)	1	1060.4	635.4	1	1060.4	635.4	0	0	0	0	0	0
6	Coulter ,L (Liam)	1	1	425	1	1	425	0	0	0	0	0	0
6	Coulter ,L (Liam)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Kwon ,Y (Yul)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Kwon ,Y (Yul)	1	556	131	1	556	131	0	0	0	0	0	0
8	Valentyn ,S (Shaun)	1	1	425	1	1	425	0	0	0	0	0	0
8	Valentyn ,S (Shaun)	1	902.8	1327.8	1	902.8	1327.8	0	0	0	0	0	0
9	Van Rooyen ,P (Previne)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Van Rooyen ,P (Previne)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Eaton ,M (Morgan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Eaton ,M (Morgan)	1	846	846	1	866.6	846	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

Jacobs, J (Jordan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms