Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pietersen, J (Jayline)

Chess SA id

209078593

FIDE id

Date of birth

2009-06-02 (U18)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-06-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1015.9	803.6	784	500
Raw rating	1015.9	803.6	784	500
Weighted rating	1015.9	803.6	784	500
Weighted performance	565.3	0	0	0
Floor	515.9	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	215.5	291.7	299.9	449.5
Highest rating	1281.5 2018-03-01	1280.8 2018-03-01	1220.9 2020-03-01	1200 2024-03-01
Highest raw rating	1015.9 2024-03-01	803.6 2024-03-01	784 2024-03-01	500 2024-03-01
Highest weighted rating	1015.9 2024-11-01	803.6 2024-11-01	784 2024-11-01	500 2024-11-01
Highest weighted performance	1281.5 2018-03-01	1280.8 2018-03-01	1220.9 2020-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1015.9	803.6	784	500
Analysis
Rating	1015.9	803.6	784	500
Raw rating	1015.9	803.6	784	500
Weighted rating	1015.9	803.6	784
Weighted performance	565.3	0	0
K-factor	40	40	40	40
Floor	515.9	500	500	500
Max/Min rating change allowed	215.5	291.7	299.9	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	1015.9	803.6	784	500
New weighted rating	1015.9	803.6	784	500
New weighted performance	565	0	0	0
Temp new rating	1015.9	803.6	784	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1015.9	803.6	784	500
New K-factor	40	40	40	40
New floor	515.9	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	4	0	4
	5	0	5
	0	0	0
History	50	31	19

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
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	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	35	16	45.71	-36.4	1147.5	1111
Standard	21	8.5	40.48	-81	1130.8	1049.8
Rapid	14	7.5	53.57	30.4	1172.5	1202.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1015.9	803.6	784	500
2025-09-01	1015.9	803.6	784	500
2025-08-01	1015.9	803.6	784	500
2025-07-01	1015.9	803.6	784	500
2025-06-01	1015.9	803.6	784	500
2025-05-01	1015.9	803.6	784	500
2025-04-01	1015.9	803.6	784	500
2025-03-01	1015.9	803.6	784	500
2025-02-01	1015.9	803.6	784	500
2025-01-01	1015.9	803.6	784	500
2024-12-01	1015.9	803.6	784	500
2024-11-01	1015.9	803.6	784	500
2024-10-01	1015.9	803.6	784	500
2024-09-01	1015.9	803.6	784	500
2024-08-01	1015.9	803.6	784	500
2024-07-01	1015.9	803.6	784	500
2024-06-01	1015.9	803.6	784	500
2024-08-01	1015.9	803.6	784	500
2024-04-01	1015.9	803.6	784	500
2024-03-01	1015.9	803.6	784	500
2024-02-01	1015.9	803.6	784	500
2024-01-01	1015.9	803.6	784	500
2023-12-01	1015.9	803.6	784	500
2023-11-01	1015.9	803.6	784	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	Upper West Coast Top Schools Championship 2023 (High School)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
2	Bo-Weskus Top Skole 2022 (O13)	2022-06-11	2022-06-11	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
3	West Coast Schools Prestige 2020 (U11 Girls)	2020-03-07	2020-03-07	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
4	Bo-Weskus Skole Prestige 2020 (O11 Dogters)	2020-02-15	2020-02-15	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
5	Western Cape Top Schools 2018 (U9+U11 Girls)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	3	0	Yes	Analysis
6	Western Cape Schools Individuals 2018 (U9 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	1	Yes	Analysis
7	West Coast Schools Prestige Individual Championship 2018 (U9 Girls)	2018-03-10	2018-03-24	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament West Coast Schools Prestige 2020				Tournament Bo-Weskus Top Skole 2022
		date 2020-03-07	rnd 4	type Rapid	result 1	date 2022-06-11	rnd 1	type Rapid	result 1
		Opponent Willemse, J (Jadiah)				Opponent Owies, K (Kaylee-Ann)
2	2	Tournament Bo-Weskus Top Skole 2022				Tournament Bo-Weskus Top Skole 2022
		date 2022-06-11	rnd 4	type Rapid	result 1	date 2022-06-11	rnd 5	type Rapid	result 1
		Opponent September, G (G-Naro)				Opponent November, J (Jovanni)
3	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-02-15	rnd 5	type Standard	result 1
		Opponent Nel, R (Roxaan)				Opponent Visagie, S (Sumia)

#	Games	Start				End
1	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-02-15	rnd 5	type Standard	result 1
		Opponent Nel, R (Roxaan)				Opponent Visagie, S (Sumia)
2	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 1	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Skippers, M (Moche)				Opponent Lukas, L (Lizle)
3	2	Tournament West Coast Schools Prestige Individual Championship 2018				Tournament West Coast Schools Prestige Individual Championship 2018
		date 2018-03-24	rnd 5	type Standard	result 1	date 2018-03-24	rnd 6	type Standard	result 1
		Opponent Love, J (Jo-Anlynne)				Opponent Willemse, S (Shudine)

#	Games	Start				End
1	3	Tournament West Coast Schools Prestige 2020				Tournament Bo-Weskus Top Skole 2022
		date 2020-03-07	rnd 4	type Rapid	result 1	date 2022-06-11	rnd 1	type Rapid	result 1
		Opponent Willemse, J (Jadiah)				Opponent Owies, K (Kaylee-Ann)
2	2	Tournament Bo-Weskus Top Skole 2022				Tournament Bo-Weskus Top Skole 2022
		date 2022-06-11	rnd 4	type Rapid	result 1	date 2022-06-11	rnd 5	type Rapid	result 1
		Opponent September, G (G-Naro)				Opponent November, J (Jovanni)
3	1	Tournament Upper West Coast Top Schools Championship 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-06-10	rnd 5	type Rapid	result 1	date 2023-06-10	rnd 5	type Rapid	result 1
		Opponent Singh, C (Connor)				Opponent Singh, C (Connor)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament West Coast Schools Prestige 2020				Tournament Bo-Weskus Top Skole 2022
		date 2020-03-07	rnd 4	type Rapid	result 1	date 2022-06-11	rnd 1	type Rapid	result 1
		Opponent Willemse, J (Jadiah)				Opponent Owies, K (Kaylee-Ann)
2	2	Tournament Bo-Weskus Top Skole 2022				Tournament Bo-Weskus Top Skole 2022
		date 2022-06-11	rnd 4	type Rapid	result 1	date 2022-06-11	rnd 5	type Rapid	result 1
		Opponent September, G (G-Naro)				Opponent November, J (Jovanni)
3	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-02-15	rnd 5	type Standard	result 1
		Opponent Nel, R (Roxaan)				Opponent Visagie, S (Sumia)

#	Games	Start				End
1	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-02-15	rnd 5	type Standard	result 1
		Opponent Nel, R (Roxaan)				Opponent Visagie, S (Sumia)
2	2	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 1	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Skippers, M (Moche)				Opponent Lukas, L (Lizle)
3	2	Tournament West Coast Schools Prestige Individual Championship 2018				Tournament West Coast Schools Prestige Individual Championship 2018
		date 2018-03-24	rnd 5	type Standard	result 1	date 2018-03-24	rnd 6	type Standard	result 1
		Opponent Love, J (Jo-Anlynne)				Opponent Willemse, S (Shudine)

#	Games	Start				End
1	3	Tournament West Coast Schools Prestige 2020				Tournament Bo-Weskus Top Skole 2022
		date 2020-03-07	rnd 4	type Rapid	result 1	date 2022-06-11	rnd 1	type Rapid	result 1
		Opponent Willemse, J (Jadiah)				Opponent Owies, K (Kaylee-Ann)
2	2	Tournament Bo-Weskus Top Skole 2022				Tournament Bo-Weskus Top Skole 2022
		date 2022-06-11	rnd 4	type Rapid	result 1	date 2022-06-11	rnd 5	type Rapid	result 1
		Opponent September, G (G-Naro)				Opponent November, J (Jovanni)
3	1	Tournament Upper West Coast Top Schools Championship 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-06-10	rnd 5	type Rapid	result 1	date 2023-06-10	rnd 5	type Rapid	result 1
		Opponent Singh, C (Connor)				Opponent Singh, C (Connor)

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	De Bruin ,E (Elrise)	4	1	-212.5	3	1	-141.7	1	0	-425	0	0	0
1	De Bruin ,E (Elrise)	4	1197.4	984.9	3	1166.8	1055.8	1	1230.6	772.4	0	0	0
2	Sauls ,J (Jada)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Sauls ,J (Jada)	1	1203.9	778.9	1	1200	778.9	0	0	0	0	0	0
3	Willemse ,S (Shudine)	1	1	425	1	1	425	0	0	0	0	0	0
3	Willemse ,S (Shudine)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Jaars ,E (Eliza)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Jaars ,E (Eliza)	1	1119.2	694.2	1	1105.2	694.2	0	0	0	0	0	0
5	Michaels ,B (Bernadine)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Michaels ,B (Bernadine)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Van Zyl ,C (Carli)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Van Zyl ,C (Carli)	1	1174	749	1	1165.4	749	0	0	0	0	0	0
7	Mcosana ,O (Oyama)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mcosana ,O (Oyama)	1	1172.5	747.5	1	1166.9	747.5	0	0	0	0	0	0
8	Skippers ,M (Moche)	1	1	425	1	1	425	0	0	0	0	0	0
8	Skippers ,M (Moche)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Ellman ,E (Elle-Marie)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Ellman ,E (Elle-Marie)	1	1035.5	610.5	1	1022.4	610.5	0	0	0	0	0	0
10	Van Rensburg ,A (Anke)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Rensburg ,A (Anke)	1	595.9	170.9	1	616.8	170.9	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

Pietersen, J (Jayline)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms