Chess South Africa Ratings Database

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Personal

Jacobs, J (Jofesline)

Chess SA id

2080156956

FIDE id

Date of birth

2008-09-02 (U18)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1210.3

Item	Main	Standard	Rapid	Blitz
Rating	1105.4	1109.2	1071.6	1200
Raw rating	1105.4	1109.2	1071.6	1200
Weighted rating	1078.1	1084.5	1070.4	1200
Weighted performance	1029.8	1012.2	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	189.7	188.7	199.1	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	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 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1105.4	1109.2	1071.6	1200
Analysis
Rating	1105.4	1109.2	1071.6	1200
Raw rating	1105.4	1109.2	1071.6	1200
Weighted rating	1078.1	1084.5	1070.4
Weighted performance	1029.8	1012.2	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	189.7	188.7	199.1	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	1105.4	1109.2	1071.6	1200
New weighted rating	1081.3	1087	1070.9	1200
New weighted performance	1029.4	1011.9	0	0
Temp new rating	1105.4	1109.2	1071.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1105.4	1109.2	1071.6	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	16	16	0
	17	11	6
	23	8	15
	0	0	0
	0	0	0
History	56	35	21

Games since
	Main 43	Standard 31		Rapid 12		Blitz 0
Gender	Female
Age group	U18
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	4361		1460		229
Female	1128		467		89
U18	614		188		36
U18 Female	126		52		12
Standard
	RSA		Province		Region
Overall	4297		1200		172
Female	1122		410		70
U18	643		170		32
U18 Female	132		49		13
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	16	6	37.5	-106.2	1272.3	1166.1
Standard	16	6	37.5	-106.2	1272.3	1166.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	56	15.5	27.68	-189.7	1217.1	1027.4
Standard	35	10.5	30	-170	1213.8	1043.8
Rapid	21	5	23.81	-222.6	1222.7	1000
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1105.4	1109.2	1071.6	1200
2025-09-01	1105.4	1109.2	1071.6	1200
2025-08-01	1105.4	1109.2	1071.6	1200
2025-07-01	1105.4	1109.2	1071.6	1200
2025-06-01	1105.4	1109.2	1071.6	1200
2025-05-01	1105.4	1109.2	1071.6	1200
2025-04-01	1099	1106.9	1071.6	1200
2025-03-01	1074.9	1084.4	1071.6	1200
2025-02-01	1055.3	1067.5	1071.6	1200
2025-01-01	1049.3	1052.8	1071.6	1200
2024-12-01	1049.3	1052.8	1071.6	1200
2024-11-01	1049.3	1052.8	1071.6	1200
2024-10-01	1049.3	1052.8	1071.6	1200
2024-09-01	1049.3	1052.8	1071.6	1200
2024-08-01	1049.3	1052.8	1071.6	1200
2024-07-01	1049.3	1052.8	1071.6	1200
2024-06-01	1049.3	1052.8	1071.6	1200
2024-08-01	1049.3	1052.8	1071.6	1200
2024-04-01	1049.3	1052.8	1071.6	1200
2024-03-01	1062.1	1085.6	1071.6	1200
2024-02-01	1040.2	1085.6	1035.2	1200
2024-01-01	1040.2	1085.6	1035.2	1200
2023-12-01	1040.2	1085.6	1035.2	1200
2023-11-01	1040.2	1085.6	1035.2	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U17 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U17 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U17 Girls)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U17 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U17 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U17 Girls)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
4	Western Cape HS Individuals Championship 2024 (U18 Girls)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	1	Yes	Analysis
5	Cape Winelands Schools - Prestige 2024 (U18 Girls)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
6	Cape Winelands Schools - HS Trials 1 2024 (U18 Girls)	2024-02-17	2024-02-17	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
7	Robertson Chess Tournament Oct 2023 (U15)	2023-10-28	2023-10-28	Standard	Cape Winelands (WCW)	5	4	0.5	Yes	Analysis
8	Bonnievale Open Rapid 2023 (Developmen)	2023-10-21	2023-10-21	Rapid	Cape Winelands (WCW)	6	6	1	Yes	Analysis
9	CW Top Schools 2023 (U15 Mix)	2023-08-26	2023-08-26	Rapid	Cape Winelands (WCW)	5	5	1	Yes	Analysis
10	Langeberg Top Schools 2023 (U15+U18 Mix)	2023-07-29	2023-07-29	Rapid	Cape Winelands (WCW)	5	4	0	Yes	Analysis
11	Strategema 2023 (U15-U19)	2023-05-13	2023-05-13	Standard	Cape Winelands (WCW)	5	4	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament Cape Winelands Schools - Prestige 2024				Tournament Cape Winelands Schools - Prestige 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 5	type Standard	result 1
		Opponent Nortje, M (Melvinia)				Opponent Jacobs, M (Michelle)
2	2	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Pienaar, L (Lienmarie)				Opponent Starke, J (Jesi-Jade)
3	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Theron, P (Petron�)				Opponent Engelbrecht, J (Jenna)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools - Prestige 2024				Tournament Cape Winelands Schools - Prestige 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 5	type Standard	result 1
		Opponent Nortje, M (Melvinia)				Opponent Jacobs, M (Michelle)
2	2	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Pienaar, L (Lienmarie)				Opponent Starke, J (Jesi-Jade)
3	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Theron, P (Petron�)				Opponent Engelbrecht, J (Jenna)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-02-17	rnd 5	type Rapid	result 1
		Opponent Keyster, W (Wayleetho)				Opponent Baartman, N (Nicole)
2	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 1	type Rapid	result 1
		Opponent Nortje, M (Melvinia)				Opponent Nortje, M (Melvinia)
3	1	Tournament Bonnievale Open Rapid 2023				Tournament Bonnievale Open Rapid 2023
		date 2023-10-21	rnd 1	type Rapid	result 1	date 2023-10-21	rnd 1	type Rapid	result 1
		Opponent Carolus, N (Nicharn)				Opponent Carolus, N (Nicharn)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Winelands Schools - Prestige 2024				Tournament Cape Winelands Schools - Prestige 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 5	type Standard	result 1
		Opponent Nortje, M (Melvinia)				Opponent Jacobs, M (Michelle)
2	2	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Pienaar, L (Lienmarie)				Opponent Starke, J (Jesi-Jade)
3	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Theron, P (Petron�)				Opponent Engelbrecht, J (Jenna)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools - Prestige 2024				Tournament Cape Winelands Schools - Prestige 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 5	type Standard	result 1
		Opponent Nortje, M (Melvinia)				Opponent Jacobs, M (Michelle)
2	2	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Pienaar, L (Lienmarie)				Opponent Starke, J (Jesi-Jade)
3	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Theron, P (Petron�)				Opponent Engelbrecht, J (Jenna)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-02-17	rnd 5	type Rapid	result 1
		Opponent Keyster, W (Wayleetho)				Opponent Baartman, N (Nicole)
2	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 1	type Rapid	result 1
		Opponent Nortje, M (Melvinia)				Opponent Nortje, M (Melvinia)
3	1	Tournament Bonnievale Open Rapid 2023				Tournament Bonnievale Open Rapid 2023
		date 2023-10-21	rnd 1	type Rapid	result 1	date 2023-10-21	rnd 1	type Rapid	result 1
		Opponent Carolus, N (Nicharn)				Opponent Carolus, N (Nicharn)

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	Starke ,J (Jesi-Jade)	2	1	0	2	1	0	0	0	0	0	0	0
1	Starke ,J (Jesi-Jade)	2	1230.5	1230.5	2	1178.8	1230.5	0	0	0	0	0	0
2	Buis ,J (Joane)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Buis ,J (Joane)	2	1375.3	950.3	1	1362.8	950.3	1	1295.1	950.3	0	0	0
3	Nortje ,M (Melvinia)	2	2	425	1	1	425	1	1	425	0	0	0
3	Nortje ,M (Melvinia)	2	1037.2	1462.2	1	1013.2	1462.2	1	1148.8	1462.2	0	0	0
4	Oosthuizen ,H (Haylee)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Oosthuizen ,H (Haylee)	2	1251	826	1	1277.6	826	1	1178.4	826	0	0	0
5	Petersen ,C (Chantelle)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Petersen ,C (Chantelle)	1	1279	854	1	1274.9	854	0	0	0	0	0	0
6	Diniso ,S (Solulele)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Diniso ,S (Solulele)	1	1273.2	848.2	1	1247.4	848.2	0	0	0	0	0	0
7	Joubert ,C (Carla Louise)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Joubert ,C (Carla Louise)	1	1322.3	897.3	1	1322.4	897.3	0	0	0	0	0	0
8	Jacobs ,M (Michelle)	1	1	425	1	1	425	0	0	0	0	0	0
8	Jacobs ,M (Michelle)	1	1157.3	1582.3	1	1186.8	1582.3	0	0	0	0	0	0
9	Pienaar ,L (Lienmarie)	1	1	425	1	1	425	0	0	0	0	0	0
9	Pienaar ,L (Lienmarie)	1	1197.8	1622.8	1	1197	1622.8	0	0	0	0	0	0
10	Erasmus ,A (Anneke)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Erasmus ,A (Anneke)	1	1561	1136	1	1514.4	1136	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Jacobs, J (Jofesline)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms