Chess South Africa Ratings Database

PLAYER PAGE

Personal

Petrie, J (Jessica)

Chess SA id

2120136013

FIDE id

Date of birth

2012-06-29 (U14)

Gender

Female

Region

iLembe (KIK)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-11-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1214.5	1150.8	1293.9	1200
Raw rating	1214.5	1150.8	1293.9	1200
Weighted rating	1209.8	1148.7	1275.4	1200
Weighted performance	1038.7	0	1069.8	0
Floor	746.3	700	793.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.4	177.9	145.1	165.8
Highest rating	1469 2021-11-01	1200 2018-10-01	1552.7 2021-11-01	1200 2018-10-01
Highest raw rating	1246.3 2021-12-01	1200 2019-12-01	1293.9 2025-01-01	1200 2024-03-01
Highest weighted rating	1246.3 2022-11-01	1200 2018-10-01	1265.6 2025-08-01	1200 2018-10-01
Highest weighted performance	1469 2021-11-01	1200 2019-12-01	1552.7 2021-11-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1214.5	1150.8	1293.9	1200
Analysis
Rating	1214.5	1150.8	1293.9	1200
Raw rating	1214.5	1150.8	1293.9	1200
Weighted rating	1209.8	1148.7	1275.4
Weighted performance	1038.7	0	1069.8
K-factor	36	36	36	36
Floor	746.3	700	793.9	700
Max/Min rating change allowed	162.4	177.9	145.1	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	1214.5	1150.8	1293.9	1200
New weighted rating	1210.4	1148.7	1278.2	1200
New weighted performance	1031.5	0	1061.9	0
Temp new rating	1214.5	1150.8	1293.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1214.5	1150.8	1293.9	1200
New K-factor	36	36	36	36
New floor	746.3	700	793.9	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	19	9	10
	13	4	9
	16	0	16
	5	0	5
History	53	13	40

Games since
	Main 19	Standard 9		Rapid 10		Blitz 0
Gender	Female
Age group	U14
Region	iLembe (KIK)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	53	27	50.94	8	1218.3	1226.3
Standard	13	3.5	26.92	-196.2	1258.1	1061.9
Rapid	40	23.5	58.75	74.4	1205.3	1279.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1214.5	1150.8	1293.9	1200
2025-09-30	1214.5	1150.8	1293.9	1200
2025-09-01	1214.5	1150.8	1293.9	1200
2025-08-01	1214.5	1150.8	1293.9	1200
2025-07-01	1214.5	1150.8	1293.9	1200
2025-06-01	1214.5	1150.8	1293.9	1200
2025-05-01	1214.5	1150.8	1293.9	1200
2025-04-01	1214.5	1150.8	1293.9	1200
2025-03-01	1214.5	1150.8	1293.9	1200
2025-02-01	1214.5	1149.2	1293.9	1200
2025-01-01	1214.5	1118.8	1293.9	1200
2024-12-01	1173.9	1118.8	1235.9	1200
2024-11-01	1202.6	1148.4	1235.9	1200
2024-10-01	1202.6	1148.4	1235.9	1200
2024-09-01	1202.6	1148.4	1235.9	1200
2024-08-01	1202.6	1148.4	1235.9	1200
2024-07-01	1202.6	1148.4	1235.9	1200
2024-09-01	1212.5	1164.4	1235.9	1200
2024-05-01	1201.9	1164.4	1222.6	1200
2024-04-01	1201.9	1164.4	1222.6	1200
2024-03-01	1201.9	1164.4	1222.6	1200
2024-02-01	1201.9	1164.4	1222.6	1200
2024-01-01	1201.9	1164.4	1222.6	1200
2023-12-01	1201.9	1164.4	1222.6	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	Umhlali Preparatory Inter House Chess 2024 (Grade 6)	2024-11-26	2024-11-26	Rapid	iLembe (KIK)	5	5	4	Yes	Analysis
2	2024 ILembe Youth Trials (U14)	2024-10-19	2024-10-19	Standard	iLembe (KIK)	5	5	1.5	Yes	Analysis
3	ILembe Youth Trials 2024 (U14-U18)	2024-06-01	2024-06-01	Standard	iLembe (KIK)	5	4	1	Yes	Analysis
4	KwaDukuza CMC Trials 2024 (U13)	2024-05-04	2024-05-04	Rapid	iLembe (KIK)	5	5	3	Yes	Analysis
5	ILembe Junior Challenge 2023 (U12)	2023-08-26	2023-08-26	Rapid	iLembe (KIK)	5	5	3	Yes	Analysis
6	ILembe Youth Trials (II)	2023-05-13	2023-05-13	Standard	iLembe (KIK)	5	4	1	Yes	Analysis
7	Ilembe Junior Rapid 2023 (Open)	2023-02-18	2023-02-18	Rapid	iLembe (KIK)	5	4	2	Yes	Analysis
8	UPS Exam Cool Down Rapid Challenge 2022 (Open)	2022-11-19	2022-11-19	Rapid	iLembe (KIK)	5	5	2	Yes	Analysis
9	Umhlali Preparatory Rapid 2022 (Senior Primary)	2022-05-14	2022-05-14	Rapid	iLembe (KIK)	6	6	3	Yes	Analysis
10	Ashton Ballito Championship 2022 (B)	2022-02-19	2022-02-19	Rapid	iLembe (KIK)	5	5	2	Yes	Analysis
11	Umhlali Prep Inter-House 2021 (Grade 3)	2021-11-25	2021-11-25	Rapid	iLembe (KIK)	5	5	4.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Umhlali Prep Inter-House 2021				Tournament Umhlali Prep Inter-House 2021
		date 2021-11-25	rnd 1	type Rapid	result 0.5	date 2021-11-25	rnd 5	type Rapid	result 1
		Opponent Bashford, E (Evgenia)				Opponent Ballot, M (Mason)
2	3	Tournament Umhlali Preparatory Inter House Chess 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-11-26	rnd 1	type Rapid	result 1	date 2024-11-26	rnd 3	type Rapid	result 1
		Opponent Lurie, A (Alex)				Opponent Manga, I (Ibrahim)
3	2	Tournament KwaDukuza CMC Trials 2024				Tournament KwaDukuza CMC Trials 2024
		date 2024-05-04	rnd 2	type Rapid	result 1	date 2024-05-04	rnd 3	type Rapid	result 1
		Opponent Gumede, L (Lungi)				Opponent Mtshali, A (Amahle)

#	Games	Start				End
1	1	Tournament 2024 ILembe Youth Trials				Tournament 2024 ILembe Youth Trials
		date 2024-10-19	rnd 4	type Standard	result 0.5	date 2024-10-19	rnd 4	type Standard	result 0.5
		Opponent Khumalo, O (Olwethu)				Opponent Khumalo, O (Olwethu)
2	1	Tournament 2024 ILembe Youth Trials				Tournament 2024 ILembe Youth Trials
		date 2024-10-19	rnd 1	type Standard	result 1	date 2024-10-19	rnd 1	type Standard	result 1
		Opponent Ohlson De Fine, M (Max)				Opponent Ohlson De Fine, M (Max)
3	1	Tournament ILembe Youth Trials 2024				Tournament ILembe Youth Trials 2024
		date 2024-06-01	rnd 3	type Standard	result 1	date 2024-06-01	rnd 3	type Standard	result 1
		Opponent Khambule, A (Ayabonga)				Opponent Khambule, A (Ayabonga)

#	Games	Start				End
1	5	Tournament Umhlali Prep Inter-House 2021				Tournament Umhlali Prep Inter-House 2021
		date 2021-11-25	rnd 1	type Rapid	result 0.5	date 2021-11-25	rnd 5	type Rapid	result 1
		Opponent Bashford, E (Evgenia)				Opponent Ballot, M (Mason)
2	4	Tournament KwaDukuza CMC Trials 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-05-04	rnd 5	type Rapid	result 1	date 2024-11-26	rnd 3	type Rapid	result 1
		Opponent Mchunu, S (Snenhlanhla)				Opponent Manga, I (Ibrahim)
3	3	Tournament Ilembe Junior Rapid 2023				Tournament ILembe Junior Challenge 2023
		date 2023-02-18	rnd 4	type Rapid	result 1	date 2023-08-26	rnd 1	type Rapid	result 1
		Opponent Madhoo, P (Prathana)				Opponent Sookraj, T (Teylan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Umhlali Prep Inter-House 2021				Tournament Umhlali Prep Inter-House 2021
		date 2021-11-25	rnd 2	type Rapid	result 1	date 2021-11-25	rnd 5	type Rapid	result 1
		Opponent Helm, A (Austin)				Opponent Ballot, M (Mason)
2	3	Tournament Umhlali Preparatory Inter House Chess 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-11-26	rnd 1	type Rapid	result 1	date 2024-11-26	rnd 3	type Rapid	result 1
		Opponent Lurie, A (Alex)				Opponent Manga, I (Ibrahim)
3	2	Tournament KwaDukuza CMC Trials 2024				Tournament KwaDukuza CMC Trials 2024
		date 2024-05-04	rnd 2	type Rapid	result 1	date 2024-05-04	rnd 3	type Rapid	result 1
		Opponent Gumede, L (Lungi)				Opponent Mtshali, A (Amahle)

#	Games	Start				End
1	1	Tournament 2024 ILembe Youth Trials				Tournament 2024 ILembe Youth Trials
		date 2024-10-19	rnd 1	type Standard	result 1	date 2024-10-19	rnd 1	type Standard	result 1
		Opponent Ohlson De Fine, M (Max)				Opponent Ohlson De Fine, M (Max)
2	1	Tournament ILembe Youth Trials 2024				Tournament ILembe Youth Trials 2024
		date 2024-06-01	rnd 3	type Standard	result 1	date 2024-06-01	rnd 3	type Standard	result 1
		Opponent Khambule, A (Ayabonga)				Opponent Khambule, A (Ayabonga)
3	1	Tournament ILembe Youth Trials				Tournament ILembe Youth Trials
		date 2023-05-13	rnd 4	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Bodasing, J (Janvi)				Opponent Bodasing, J (Janvi)

#	Games	Start				End
1	4	Tournament KwaDukuza CMC Trials 2024				Tournament Umhlali Preparatory Inter House Chess 2024
		date 2024-05-04	rnd 5	type Rapid	result 1	date 2024-11-26	rnd 3	type Rapid	result 1
		Opponent Mchunu, S (Snenhlanhla)				Opponent Manga, I (Ibrahim)
2	4	Tournament Umhlali Prep Inter-House 2021				Tournament Umhlali Prep Inter-House 2021
		date 2021-11-25	rnd 2	type Rapid	result 1	date 2021-11-25	rnd 5	type Rapid	result 1
		Opponent Helm, A (Austin)				Opponent Ballot, M (Mason)
3	3	Tournament Ilembe Junior Rapid 2023				Tournament ILembe Junior Challenge 2023
		date 2023-02-18	rnd 4	type Rapid	result 1	date 2023-08-26	rnd 1	type Rapid	result 1
		Opponent Madhoo, P (Prathana)				Opponent Sookraj, T (Teylan)

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	Singh ,V (Vrishti)	2	1	0	1	0	-425	1	1	425	0	0	0
1	Singh ,V (Vrishti)	2	1221.7	1221.7	1	1164	796.7	1	1243.8	1646.7	0	0	0
2	Pascoe ,J (James)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Pascoe ,J (James)	2	1336.6	911.6	1	1406.7	911.6	1	1229.2	911.6	0	0	0
3	Hough ,J (Joshua)	2	0	-425	0	0	0	2	0	-425	0	0	0
3	Hough ,J (Joshua)	2	1385.1	960.1	0	0	0	2	1425.1	960.1	0	0	0
4	Ohlson De Fine ,M (Max)	1	1	425	1	1	425	0	0	0	0	0	0
4	Ohlson De Fine ,M (Max)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Mngadi ,F (Fredrick)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mngadi ,F (Fredrick)	1	1275.5	850.5	1	1231.3	850.5	0	0	0	0	0	0
6	Khambule ,A (Ayabonga)	1	1	425	1	1	425	0	0	0	0	0	0
6	Khambule ,A (Ayabonga)	1	1220.5	1645.5	1	1111.2	1645.5	0	0	0	0	0	0
7	Mchunu ,S (Snenhlanhla)	1	1	425	0	0	0	1	1	425	0	0	0
7	Mchunu ,S (Snenhlanhla)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Naidoo ,R (Reylin)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Naidoo ,R (Reylin)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Zuma ,T (Thokozani)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Zuma ,T (Thokozani)	1	1184.4	759.4	0	0	0	1	1213.2	759.4	0	0	0
10	Lurie ,A (Alex)	1	1	425	0	0	0	1	1	425	0	0	0
10	Lurie ,A (Alex)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Petrie, 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