Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jacobs, J (Jay-Dee)

Chess SA id

207078093

FIDE id

Date of birth

2007-10-25 (U20)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	882.8	876.2	500	500
Raw rating	882.8	876.2	500	500
Weighted rating	882.8	876.2	500	500
Weighted performance	252	250.1	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	260.6	263	449.5	449.5
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-03-01	1200 2024-03-01
Highest raw rating	882.8 2024-03-01	876.2 2024-03-01	500 2024-03-01	500 2024-03-01
Highest weighted rating	882.8 2024-11-01	876.2 2024-11-01	500 2024-11-01	500 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	882.8	876.2	500	500
Analysis
Rating	882.8	876.2	500	500
Raw rating	882.8	876.2	500	500
Weighted rating	882.8	876.2	500
Weighted performance	252	250.1	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	260.6	263	449.5	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	882.8	876.2	500	500
New weighted rating	882.8	876.2	500	500
New weighted performance	251.7	249.8	0	0
Temp new rating	882.8	876.2	500	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	882.8	876.2	500	500
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	66	66

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 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	33	8.5	25.76	-206.1	1022.9	816.8
Standard	33	8.5	25.76	-206.1	1022.9	816.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	882.8	876.2	500	500
2025-09-01	882.8	876.2	500	500
2025-08-01	882.8	876.2	500	500
2025-07-01	882.8	876.2	500	500
2025-06-01	882.8	876.2	500	500
2025-05-01	882.8	876.2	500	500
2025-04-01	882.8	876.2	500	500
2025-03-01	882.8	876.2	500	500
2025-02-01	882.8	876.2	500	500
2025-01-01	882.8	876.2	500	500
2024-12-01	882.8	876.2	500	500
2024-11-01	882.8	876.2	500	500
2024-10-01	882.8	876.2	500	500
2024-09-01	882.8	876.2	500	500
2024-08-01	882.8	876.2	500	500
2024-07-01	882.8	876.2	500	500
2024-06-01	882.8	876.2	500	500
2024-08-01	882.8	876.2	500	500
2024-04-01	882.8	876.2	500	500
2024-03-01	882.8	876.2	500	500
2024-02-01	882.8	876.2	500	500
2024-01-01	882.8	876.2	500	500
2023-12-01	882.8	876.2	500	500
2023-11-01	882.8	876.2	500	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	Eden Schools Closed Trials 1 2020 (U13 Girls)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	2	Yes	Analysis
2	Hessequa Skaak Proewe 2 2020 (O13 Dogters)	2020-02-22	2020-02-22	Standard	Eden (WEG)	5	4	1.5	Yes	Analysis
3	Hessequa Skaak Proewe 1 2020 (O13 Dogters)	2020-02-01	2020-02-01	Standard	Eden (WEG)	5	4	0.5	Yes	Analysis
4	Hessequa Proewe 3 2019 (O14)	2019-02-23	2019-02-23	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
5	Hessequa Proewe 2 2019 (O14)	2019-02-16	2019-02-16	Standard	Eden (WEG)	5	4	1	Yes	Analysis
6	EDENSC Closed 3 2018 (U12 Open)	2018-05-12	2018-05-12	Standard	Eden (WEG)	5	0	0	No	Analysis
7	EDENSC Closed 1 2018 (U12 Boys)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	5	1	Yes	Analysis
8	South African Junior Team Championships 2017 (U12D)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 4	type Standard	result 1	date 2020-03-07	rnd 5	type Standard	result 1
		Opponent Coetsee, H (Hayley)				Opponent Van Staden, L (Leane)
2	2	Tournament Hessequa Skaak Proewe 2 2020				Tournament Hessequa Skaak Proewe 2 2020
		date 2020-02-22	rnd 3	type Standard	result 0.5	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Johannes, R (Ruchea)				Opponent Jansen, A (Anferneeq)
3	1	Tournament Hessequa Skaak Proewe 1 2020				Tournament Hessequa Skaak Proewe 1 2020
		date 2020-02-01	rnd 3	type Standard	result 0.5	date 2020-02-01	rnd 3	type Standard	result 0.5
		Opponent Jacobs, S (Sensemecia)				Opponent Jacobs, S (Sensemecia)

#	Games	Start				End
1	2	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 4	type Standard	result 1	date 2020-03-07	rnd 5	type Standard	result 1
		Opponent Coetsee, H (Hayley)				Opponent Van Staden, L (Leane)
2	2	Tournament Hessequa Skaak Proewe 2 2020				Tournament Hessequa Skaak Proewe 2 2020
		date 2020-02-22	rnd 3	type Standard	result 0.5	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Johannes, R (Ruchea)				Opponent Jansen, A (Anferneeq)
3	1	Tournament Hessequa Skaak Proewe 1 2020				Tournament Hessequa Skaak Proewe 1 2020
		date 2020-02-01	rnd 3	type Standard	result 0.5	date 2020-02-01	rnd 3	type Standard	result 0.5
		Opponent Jacobs, S (Sensemecia)				Opponent Jacobs, S (Sensemecia)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 4	type Standard	result 1	date 2020-03-07	rnd 5	type Standard	result 1
		Opponent Coetsee, H (Hayley)				Opponent Van Staden, L (Leane)
2	1	Tournament Hessequa Skaak Proewe 2 2020				Tournament Hessequa Skaak Proewe 2 2020
		date 2020-02-22	rnd 5	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Jansen, A (Anferneeq)				Opponent Jansen, A (Anferneeq)
3	1	Tournament Hessequa Proewe 3 2019				Tournament Hessequa Proewe 3 2019
		date 2019-02-23	rnd 3	type Standard	result 1	date 2019-02-23	rnd 3	type Standard	result 1
		Opponent Cederas, O (Orlando)				Opponent Cederas, O (Orlando)

#	Games	Start				End
1	2	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 4	type Standard	result 1	date 2020-03-07	rnd 5	type Standard	result 1
		Opponent Coetsee, H (Hayley)				Opponent Van Staden, L (Leane)
2	1	Tournament Hessequa Skaak Proewe 2 2020				Tournament Hessequa Skaak Proewe 2 2020
		date 2020-02-22	rnd 5	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Jansen, A (Anferneeq)				Opponent Jansen, A (Anferneeq)
3	1	Tournament Hessequa Proewe 3 2019				Tournament Hessequa Proewe 3 2019
		date 2019-02-23	rnd 3	type Standard	result 1	date 2019-02-23	rnd 3	type Standard	result 1
		Opponent Cederas, O (Orlando)				Opponent Cederas, O (Orlando)

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	Fransies ,H (Hanlie)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Fransies ,H (Hanlie)	2	1117.6	692.6	2	1106.6	692.6	0	0	0	0	0	0
2	Esau ,J (Jovaundrea)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Esau ,J (Jovaundrea)	2	1016.3	591.3	2	1025.5	591.3	0	0	0	0	0	0
3	Elbrink ,J (Jo Andrea)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Elbrink ,J (Jo Andrea)	1	920.1	495.1	1	898.8	495.1	0	0	0	0	0	0
4	Van Straaten ,R (Ruan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Van Straaten ,R (Ruan)	1	574	149	1	574	149	0	0	0	0	0	0
5	Jacobs ,S (Sensemecia)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Jacobs ,S (Sensemecia)	1	955.7	955.7	1	935.6	955.7	0	0	0	0	0	0
6	Kannemeyer ,D (Duran)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Kannemeyer ,D (Duran)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Adams ,J (Jade)	1	1	425	1	1	425	0	0	0	0	0	0
7	Adams ,J (Jade)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Adams ,A (Ashley)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Adams ,A (Ashley)	1	1046.9	1046.9	1	1024	1046.9	0	0	0	0	0	0
9	Laverlot ,D (Devandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Laverlot ,D (Devandre)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Radloff ,I (Ivanicha)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Radloff ,I (Ivanicha)	1	1106.5	681.5	1	1103.2	681.5	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 (Jay-Dee)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms