Chess South Africa Ratings Database

PLAYER PAGE

Personal

Petrus, L (Layla)

Chess SA id

2120304729

FIDE id

Date of birth

2012-07-30 (U14)

Gender

Female

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1283.8

Item	Main	Standard	Rapid	Blitz
Rating	1194.8	1191.2	1194.6	1200
Raw rating	1194.8	1191.2	1194.6	1200
Weighted rating	1160.6	1148.1	1193.7	1200
Weighted performance	1113.2	1095.7	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.1	167.9	167.1	165.8
Highest rating	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest raw rating	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest weighted rating	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1194.8	1191.2	1194.6	1200
Analysis
Rating	1194.8	1191.2	1194.6	1200
Raw rating	1194.8	1191.2	1194.6	1200
Weighted rating	1160.6	1148.1	1193.7
Weighted performance	1113.2	1095.7	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	167.1	167.9	167.1	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	1194.8	1191.2	1194.6	1200
New weighted rating	1163.5	1151.8	1193.7	1200
New weighted performance	1106.1	1088.7	0	0
Temp new rating	1194.8	1191.2	1194.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1194.8	1191.2	1194.6	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	16	16	0
	20	15	5
	0	0	0
	0	0	0
	0	0	0
History	36	31	5

Games since
	Main 36	Standard 31		Rapid 5		Blitz 0
Gender	Female
Age group	U14
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
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	4142		557		149
Female	1009		121		39
U14	810		122		42
U14 Female	242		31		11
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	16	9	56.25	53.1	1215.9	1269
Standard	16	9	56.25	53.1	1215.9	1269
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	36	14.5	40.28	-82.6	1192.3	1109.6
Standard	31	12.5	40.32	-82.3	1188.9	1106.7
Rapid	5	2	40	-85	1212.9	1127.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1194.8	1191.2	1194.6	1200
2025-09-30	1194.8	1191.2	1194.6	1200
2025-09-01	1194.8	1191.2	1194.6	1200
2025-08-01	1194.8	1191.2	1194.6	1200
2025-07-01	1194.8	1191.2	1194.6	1200
2025-06-01	1194.8	1191.2	1194.6	1200
2025-05-01	1184	1180.5	1194.6	1200
2025-04-01	1184	1180.5	1194.6	1200
2025-03-01	1166.9	1154.6	1194.6	1200
2025-02-01	1135.2	1116.1	1194.2	1200
2025-01-01	1088.1	1052.4	1186.4	1200
2024-12-01	1088.1	1052.4	1186.4	1200
2024-11-01	1088.1	1052.4	1186.4	1200
2024-10-01	1088.1	1052.4	1186.4	1200
2024-09-01	1088.1	1052.4	1186.4	1200
2024-08-01	1079.7	1052.4	1200	1200
2024-07-01	1105.9	1083.2	1200	1200
2024-09-01	1122.7	1107.6	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBDCA Closed 2025 (U14 Girls)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
2	SBDCA Trials GRT 22 March 2025 (U14 Girls)	2025-03-22	2025-03-22	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
3	SBDCU Graaff-Reinet Trials 2025 (U14)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBDCA Closed 2025 (U14 Girls)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
2	SBDCA Trials GRT 22 March 2025 (U14 Girls)	2025-03-22	2025-03-22	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
3	SBDCU Graaff-Reinet Trials 2025 (U14)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
4	Sarah Baartman District Schools Trials 2024 (U13 Girls)	2024-08-03	2024-08-03	Rapid	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
5	SBDCU Closed Trials 2024 (U14 Girls)	2024-07-27	2024-07-27	Standard	Sarah Baartman (ESB)	5	5	1.5	Yes	Analysis
6	SBDCU Closed Trials 2024 (U12 Girls)	2024-07-27	2024-07-27	Standard	Sarah Baartman (ESB)	5	0	0	No	Analysis
7	SBDCU Trial 3 2024 (U14)	2024-06-01	2024-06-01	Standard	Sarah Baartman (ESB)	5	5	1.5	Yes	Analysis
8	Fountains Mall 2024 (Primary School)	2024-05-18	2024-05-18	Standard	Sarah Baartman (ESB)	6	5	0.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-22	rnd 4	type Standard	result 1
		Opponent Nelson, A (Anganoxolo)				Opponent Swemmer, X (Xolelwa)
2	3	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Scheepers, G (Gia)				Opponent Jebe, U (Unabantu)
3	2	Tournament Sarah Baartman District Schools Trials 2024				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2024-08-03	rnd 5	type Rapid	result 0.5	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent Clark, C (Clea)				Opponent Persensie, B (Biono)

#	Games	Start				End
1	6	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-22	rnd 4	type Standard	result 1
		Opponent Nelson, A (Anganoxolo)				Opponent Swemmer, X (Xolelwa)
2	3	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Scheepers, G (Gia)				Opponent Jebe, U (Unabantu)
3	2	Tournament SBDCU Trial 3 2024				Tournament SBDCU Closed Trials 2024
		date 2024-06-01	rnd 5	type Standard	result 0.5	date 2024-07-27	rnd 1	type Standard	result 0.5
		Opponent Mgwali, L (Luniko)				Opponent Booysen, CL (Carli Lucia)

#	Games	Start				End
1	1	Tournament Sarah Baartman District Schools Trials 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-08-03	rnd 5	type Rapid	result 0.5	date 2024-08-03	rnd 5	type Rapid	result 0.5
		Opponent Clark, C (Clea)				Opponent Clark, C (Clea)
2	1	Tournament Sarah Baartman District Schools Trials 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-08-03	rnd 3	type Rapid	result 1	date 2024-08-03	rnd 3	type Rapid	result 1
		Opponent Scheepers, G (Gia)				Opponent Scheepers, G (Gia)
3	1	Tournament Sarah Baartman District Schools Trials 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-08-03	rnd 1	type Rapid	result 0.5	date 2024-08-03	rnd 1	type Rapid	result 0.5
		Opponent Sulo, E (Esihle)				Opponent Sulo, E (Esihle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Scheepers, G (Gia)				Opponent Jebe, U (Unabantu)
2	3	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-22	rnd 1	type Standard	result 1
		Opponent Nelson, A (Anganoxolo)				Opponent Labuschagne, M (Mia)
3	1	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-03-22	rnd 4	type Standard	result 1
		Opponent Swemmer, X (Xolelwa)				Opponent Swemmer, X (Xolelwa)

#	Games	Start				End
1	3	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Scheepers, G (Gia)				Opponent Jebe, U (Unabantu)
2	3	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-22	rnd 1	type Standard	result 1
		Opponent Nelson, A (Anganoxolo)				Opponent Labuschagne, M (Mia)
3	1	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-03-22	rnd 4	type Standard	result 1
		Opponent Swemmer, X (Xolelwa)				Opponent Swemmer, X (Xolelwa)

#	Games	Start				End
1	1	Tournament Sarah Baartman District Schools Trials 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-08-03	rnd 3	type Rapid	result 1	date 2024-08-03	rnd 3	type Rapid	result 1
		Opponent Scheepers, G (Gia)				Opponent Scheepers, G (Gia)

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	Scheepers ,G (Gia)	4	3	212.5	3	2	141.7	1	1	425	0	0	0
1	Scheepers ,G (Gia)	4	1102.3	1314.8	3	1110.3	1244	1	1200	1527.3	0	0	0
2	Van Vuuren ,PA (Peighton Astrid)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Van Vuuren ,PA (Peighton Astrid)	2	1252	827	2	1245.4	827	0	0	0	0	0	0
3	Solomons ,Z (Ziane)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Solomons ,Z (Ziane)	2	1191.3	766.3	2	1185.4	766.3	0	0	0	0	0	0
4	Barendse ,J (Jean)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Barendse ,J (Jean)	1	1035.8	1035.8	1	1062.9	1035.8	0	0	0	0	0	0
5	Theron ,S (Shana)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Theron ,S (Shana)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	De Villiers ,D (Dwaine)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	De Villiers ,D (Dwaine)	1	1225	800	1	1148.4	800	0	0	0	0	0	0
7	Swemmer ,X (Xolelwa)	1	1	425	1	1	425	0	0	0	0	0	0
7	Swemmer ,X (Xolelwa)	1	1134.3	1559.3	1	1200	1559.3	0	0	0	0	0	0
8	Booysen ,CL (Carli Lucia)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Booysen ,CL (Carli Lucia)	1	1081.9	1081.9	1	1044.1	1081.9	0	0	0	0	0	0
9	Jaftha ,J (Jeraldo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Jaftha ,J (Jeraldo)	1	1286.4	861.4	1	1200	861.4	0	0	0	0	0	0
10	Frysenburg ,HJ (Hope Juane)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Frysenburg ,HJ (Hope Juane)	1	1155.7	730.7	1	1109.6	730.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Petrus, L (Layla)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms