Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pietersen, G (Gretchen)

Chess SA id

203078320

FIDE id

Date of birth

2003-01-19 (Adult)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1029.1	1052.4	1033.2	1200
Raw rating	1029.1	1052.4	1033.2	1200
Weighted rating	1029.1	1052.4	1033.2	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	211.5	204.6	210.3	165.8
Highest rating	1200 2018-01-01	1200 2018-01-01	1200 2018-01-01	1200 2018-10-01
Highest raw rating	1200 2018-01-01	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-01-01	1200 2018-01-01	1200 2018-01-01	1200 2018-10-01
Highest weighted performance	1200 2018-01-01	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1029.1	1052.4	1033.2	1200
Analysis
Rating	1029.1	1052.4	1033.2	1200
Raw rating	1029.1	1052.4	1033.2	1200
Weighted rating	1029.1	1052.4	1033.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	211.5	204.6	210.3	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	1029.1	1052.4	1033.2	1200
New weighted rating	1029.1	1052.4	1033.2	1200
New weighted performance	0	0	0	0
Temp new rating	1029.1	1052.4	1033.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1029.1	1052.4	1033.2	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	20	6	14

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult 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	20	9	45	-42.5	851.9	809.4
Standard	6	2	33.33	-141.7	692.3	550.6
Rapid	14	7	50	0	920.3	920.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1029.1	1052.4	1033.2	1200
2025-09-01	1029.1	1052.4	1033.2	1200
2025-08-01	1029.1	1052.4	1033.2	1200
2025-07-01	1029.1	1052.4	1033.2	1200
2025-06-01	1029.1	1052.4	1033.2	1200
2025-05-01	1029.1	1052.4	1033.2	1200
2025-04-01	1029.1	1052.4	1033.2	1200
2025-03-01	1029.1	1052.4	1033.2	1200
2025-02-01	1029.1	1052.4	1033.2	1200
2025-01-01	1029.1	1052.4	1033.2	1200
2024-12-01	1029.1	1052.4	1033.2	1200
2024-11-01	1029.1	1052.4	1033.2	1200
2024-10-01	1029.1	1052.4	1033.2	1200
2024-09-01	1029.1	1052.4	1033.2	1200
2024-08-01	1029.1	1052.4	1033.2	1200
2024-07-01	1029.1	1052.4	1033.2	1200
2024-06-01	1029.1	1052.4	1033.2	1200
2024-08-01	1029.1	1052.4	1033.2	1200
2024-04-01	1029.1	1052.4	1033.2	1200
2024-03-01	1029.1	1052.4	1033.2	1200
2024-02-01	1029.1	1052.4	1033.2	1200
2024-01-01	1029.1	1052.4	1033.2	1200
2023-12-01	1029.1	1052.4	1033.2	1200
2023-11-01	1029.1	1052.4	1033.2	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	Cape Winelands Schools Trials 1 2020 (U18 Girls)	2020-02-15	2020-02-15	Rapid	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
2	Cape Winelands Schools Chess - Top Schools 2018 (U17 Mix)	2018-07-28	2018-07-28	Rapid	Cape Winelands (WCW)	3	2	1	Yes	Analysis
3	Cape Winelands Schools Trials 1 2018 (U15 Girls)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
4	Cape Winelands Schools Prestige 2018 (U15 Girls)	2018-03-24	2018-03-25	Standard	Cape Winelands (WCW)	7	6	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-03	rnd 4	type Rapid	result 1	date 2018-03-24	rnd 1	type Standard	result 1
		Opponent Franse, J (Janine)				Opponent Hoffman, A (Anastacia)
2	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-15	rnd 3	type Rapid	result 0.5	date 2020-02-15	rnd 4	type Rapid	result 1
		Opponent Goedeman, E (Elzane)				Opponent Blignaut, A (Alexa)
3	1	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-15	rnd 1	type Rapid	result 1	date 2020-02-15	rnd 1	type Rapid	result 1
		Opponent Pietersen, J (Jody-Lee)				Opponent Pietersen, J (Jody-Lee)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-25	rnd 6	type Standard	result 1	date 2018-03-25	rnd 6	type Standard	result 1
		Opponent Gordon, N (Natalie)				Opponent Gordon, N (Natalie)
2	1	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-24	rnd 1	type Standard	result 1	date 2018-03-24	rnd 1	type Standard	result 1
		Opponent Hoffman, A (Anastacia)				Opponent Hoffman, A (Anastacia)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Chess - Top Schools 2018
		date 2018-03-03	rnd 4	type Rapid	result 1	date 2018-07-28	rnd 1	type Rapid	result 1
		Opponent Franse, J (Janine)				Opponent Majiet, W (Wafeeq)
2	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-15	rnd 3	type Rapid	result 0.5	date 2020-02-15	rnd 4	type Rapid	result 1
		Opponent Goedeman, E (Elzane)				Opponent Blignaut, A (Alexa)
3	1	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-15	rnd 1	type Rapid	result 1	date 2020-02-15	rnd 1	type Rapid	result 1
		Opponent Pietersen, J (Jody-Lee)				Opponent Pietersen, J (Jody-Lee)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 4	type Rapid	result 1	date 2018-03-03	rnd 5	type Rapid	result 1
		Opponent Franse, J (Janine)				Opponent Jacobs, S (Shaundre)
2	1	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-15	rnd 4	type Rapid	result 1	date 2020-02-15	rnd 4	type Rapid	result 1
		Opponent Blignaut, A (Alexa)				Opponent Blignaut, A (Alexa)
3	1	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-15	rnd 1	type Rapid	result 1	date 2020-02-15	rnd 1	type Rapid	result 1
		Opponent Pietersen, J (Jody-Lee)				Opponent Pietersen, J (Jody-Lee)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-25	rnd 6	type Standard	result 1	date 2018-03-25	rnd 6	type Standard	result 1
		Opponent Gordon, N (Natalie)				Opponent Gordon, N (Natalie)
2	1	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-24	rnd 1	type Standard	result 1	date 2018-03-24	rnd 1	type Standard	result 1
		Opponent Hoffman, A (Anastacia)				Opponent Hoffman, A (Anastacia)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 4	type Rapid	result 1	date 2018-03-03	rnd 5	type Rapid	result 1
		Opponent Franse, J (Janine)				Opponent Jacobs, S (Shaundre)
2	1	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-15	rnd 4	type Rapid	result 1	date 2020-02-15	rnd 4	type Rapid	result 1
		Opponent Blignaut, A (Alexa)				Opponent Blignaut, A (Alexa)
3	1	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-15	rnd 1	type Rapid	result 1	date 2020-02-15	rnd 1	type Rapid	result 1
		Opponent Pietersen, J (Jody-Lee)				Opponent Pietersen, J (Jody-Lee)

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	Hoffman ,A (Anastacia)	2	1	0	1	1	425	1	0	-425	0	0	0
1	Hoffman ,A (Anastacia)	2	663	663	1	587.2	1088	1	631.2	238	0	0	0
2	Fritz ,S (She-Earl)	2	0.5	-212.5	0	0	0	2	0.5	-212.5	0	0	0
2	Fritz ,S (She-Earl)	2	968.3	755.8	0	0	0	2	897.8	755.8	0	0	0
3	Cana ,L (Landiswa)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Cana ,L (Landiswa)	1	836.4	411.4	1	836.4	411.4	0	0	0	0	0	0
4	Jacobs ,M (Mornic)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Jacobs ,M (Mornic)	1	952.4	527.4	1	948.6	527.4	0	0	0	0	0	0
5	Seholoba ,R (Retshepile)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Seholoba ,R (Retshepile)	1	631.2	206.2	1	596.2	206.2	0	0	0	0	0	0
6	Gordon ,N (Natalie)	1	1	425	1	1	425	0	0	0	0	0	0
6	Gordon ,N (Natalie)	1	506	931	1	506	931	0	0	0	0	0	0
7	Van Der Bank ,C (Carla)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van Der Bank ,C (Carla)	1	565	140	1	565	140	0	0	0	0	0	0
8	Franse ,J (Janine)	1	1	425	0	0	0	1	1	425	0	0	0
8	Franse ,J (Janine)	1	716.5	1141.5	0	0	0	1	722.2	1141.5	0	0	0
9	Majiet ,W (Wafeeq)	1	1	425	0	0	0	1	1	425	0	0	0
9	Majiet ,W (Wafeeq)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Pietersen ,J (Jody-Lee)	1	1	425	0	0	0	1	1	425	0	0	0
10	Pietersen ,J (Jody-Lee)	1	988.6	1413.6	0	0	0	1	945.4	1413.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Pietersen, G (Gretchen)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms