Chess South Africa Ratings Database

PLAYER PAGE

Personal

Diedericks, J (Jessica)

Chess SA id

2100144707

FIDE id

Date of birth

2010-09-30 (U16)

Gender

Female

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-08-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1074.5	1046.8	1200	1200
Raw rating	1074.5	1046.8	1200	1200
Weighted rating	1074.5	1046.8	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	198.3	206.3	165.8	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 2024-03-01	1200 2024-03-01
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 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1074.5	1046.8	1200	1200
Analysis
Rating	1074.5	1046.8	1200	1200
Raw rating	1074.5	1046.8	1200	1200
Weighted rating	1074.5	1046.8	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	198.3	206.3	165.8	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	1074.5	1046.8	1200	1200
New weighted rating	1074.5	1046.8	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1074.5	1046.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1074.5	1046.8	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	9	9
	0	0
History	9	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	9	1	11.11	-330.6	1177.7	847.1
Standard	9	1	11.11	-330.6	1177.7	847.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1074.5	1046.8	1200	1200
2025-09-30	1074.5	1046.8	1200	1200
2025-09-01	1074.5	1046.8	1200	1200
2025-08-01	1074.5	1046.8	1200	1200
2025-07-01	1074.5	1046.8	1200	1200
2025-06-01	1074.5	1046.8	1200	1200
2025-05-01	1074.5	1046.8	1200	1200
2025-04-01	1074.5	1046.8	1200	1200
2025-03-01	1074.5	1046.8	1200	1200
2025-02-01	1074.5	1046.8	1200	1200
2025-01-01	1074.5	1046.8	1200	1200
2024-12-01	1074.5	1046.8	1200	1200
2024-11-01	1074.5	1046.8	1200	1200
2024-10-01	1074.5	1046.8	1200	1200
2024-09-01	1074.5	1046.8	1200	1200
2024-08-01	1074.5	1046.8	1200	1200
2024-07-01	1074.5	1046.8	1200	1200
2024-09-01	1074.5	1046.8	1200	1200
2024-05-01	1074.5	1046.8	1200	1200
2024-04-01	1074.5	1046.8	1200	1200
2024-03-01	1074.5	1046.8	1200	1200
2024-02-01	1074.5	1046.8	1200	1200
2024-01-01	1074.5	1046.8	1200	1200
2023-12-01	1074.5	1046.8	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	D7 Teams 2022 (U13 Mixed+Girls)	2022-08-13	2022-08-13	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
2	2022 Gauteng Schools Team Championships (U13 Girls)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis

#	Games	Start				End
1	1	Tournament D7 Teams 2022				Tournament D7 Teams 2022
		date 2022-08-13	rnd 4	type Standard	result 1	date 2022-08-13	rnd 4	type Standard	result 1
		Opponent Niewenhuis, F (Francois)				Opponent Niewenhuis, F (Francois)

#	Games	Start				End
1	1	Tournament D7 Teams 2022				Tournament D7 Teams 2022
		date 2022-08-13	rnd 4	type Standard	result 1	date 2022-08-13	rnd 4	type Standard	result 1
		Opponent Niewenhuis, F (Francois)				Opponent Niewenhuis, F (Francois)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament D7 Teams 2022				Tournament D7 Teams 2022
		date 2022-08-13	rnd 4	type Standard	result 1	date 2022-08-13	rnd 4	type Standard	result 1
		Opponent Niewenhuis, F (Francois)				Opponent Niewenhuis, F (Francois)

#	Games	Start				End
1	1	Tournament D7 Teams 2022				Tournament D7 Teams 2022
		date 2022-08-13	rnd 4	type Standard	result 1	date 2022-08-13	rnd 4	type Standard	result 1
		Opponent Niewenhuis, F (Francois)				Opponent Niewenhuis, F (Francois)

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	Beukman ,D (Dilene)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Beukman ,D (Dilene)	1	1213.2	788.2	1	1214	788.2	0	0	0	0	0	0
2	Nthejane ,T (Tshepang)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Nthejane ,T (Tshepang)	1	1084.1	659.1	1	1061.2	659.1	0	0	0	0	0	0
3	Hlongoane ,K (Keatlegile Omphile)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Hlongoane ,K (Keatlegile Omphile)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Niewenhuis ,F (Francois)	1	1	425	1	1	425	0	0	0	0	0	0
4	Niewenhuis ,F (Francois)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Motloung ,B (Boitumelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Motloung ,B (Boitumelo)	1	1149.2	724.2	1	1138	724.2	0	0	0	0	0	0
6	Nhlapo ,S (Sihle)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Nhlapo ,S (Sihle)	1	1152.5	727.5	1	1143.6	727.5	0	0	0	0	0	0
7	Mkhize ,A (Anele)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mkhize ,A (Anele)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Nhlabathi ,L (Lwandile)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Nhlabathi ,L (Lwandile)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Modise ,D (Dineo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Modise ,D (Dineo)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Diedericks, J (Jessica)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms