Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nobela, P (Petronellah)

Chess SA id

2010151838

FIDE id

Date of birth

2001-06-06 (Adult)

Gender

Female

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1172.4	1084.5	1211.5	1300
Raw rating	1143.1	1069.9	1211.5	1300
Weighted rating	1172.4	1084.5	1211.2	1299.7
Weighted performance	809.5	0	0	0
Floor	700	700	711.5	800
K-factor	36	36	36	36
Min/Max rating change allowed	179.8	199.6	163.1	143.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1211.5 2024-03-01	1300 2024-03-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1211.5 2024-03-01	1300 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1209.1 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.2	-1.2	0	0
New rating	1170.2	1083.3	1211.5	1300
Analysis
Rating	1172.4	1084.5	1211.5	1300
Raw rating	1143.1	1069.9	1211.5	1300
Weighted rating	1172.4	1084.5	1211.2
Weighted performance	809.5	0	0
K-factor	36	36	36	36
Floor	700	700	711.5	800
Max/Min rating change allowed	179.8	199.6	163.1	143.8
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	1143.1	1069.9	1211.5	1300
New weighted rating	1170.2	1083.3	1211.5	1300
New weighted performance	804.1	0	0	0
Temp new rating	1170.2	1083.3	1211.5	1300
Temp new rating +/-	-2.2	-1.2	0	0
Final new rating +/-	-2.2	-1.2	0	0
New rating	1170.2	1083.3	1211.5	1300
New K-factor	36	36	36	36
New floor	700	700	711.5	800

Item	Main	Standard	Rapid
	0	0	0
	10	10	0
	0	0	0
	13	9	4
	0	0	0
	0	0	0
History	23	19	4

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Sedibeng (GSV)
Province	Gauteng (GT)
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	10	1	10	-340	1260.9	920.9
Standard	10	1	10	-340	1260.9	920.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	23	2	8.7	-351.1	1244.9	893.8
Standard	19	2	10.53	-335.5	1241.3	905.7
Rapid	4	0	0	-425	1262	837
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1143.1	1069.9	1211.5	1300
2025-09-30	1169.1	1082.5	1211.5	1300
2025-09-01	1169.1	1082.5	1211.5	1300
2025-08-01	1169.1	1082.5	1211.5	1300
2025-07-01	1177.3	1088.1	1211.5	1300
2025-06-01	1177.3	1088.1	1211.5	1300
2025-05-01	1177.3	1088.1	1211.5	1300
2025-04-01	1177.3	1088.1	1211.5	1300
2025-03-01	1177.3	1088.1	1211.5	1300
2025-02-01	1177.3	1088.1	1211.5	1300
2025-01-01	1177.3	1085.6	1211.5	1300
2024-12-01	1177.3	1085.6	1211.5	1300
2024-11-01	1177.3	1085.6	1211.5	1300
2024-10-01	1177.3	1085.6	1211.5	1300
2024-09-01	1177.3	1085.6	1211.5	1300
2024-08-01	1177.3	1085.6	1211.5	1300
2024-07-01	1177.3	1085.6	1211.5	1300
2024-09-01	1177.3	1085.6	1211.5	1300
2024-05-01	1177.3	1085.6	1211.5	1300
2024-04-01	1177.3	1085.6	1211.5	1300
2024-03-01	1177.3	1085.6	1211.5	1300
2024-02-01	1177.3	1085.6	1211.5	1300
2024-01-01	1177.3	1085.6	1211.5	1300
2023-12-01	1076.3	1085.6	1142	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	Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025 (B)	2025-09-27	2025-09-27	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
2	Eureka Chess Open 26 July 2025 (C)	2025-07-26	2025-07-26	Standard	Sedibeng (GSV)	5	5	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025 (B)	2025-09-27	2025-09-27	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
2	Eureka Chess Open 26 July 2025 (C)	2025-07-26	2025-07-26	Standard	Sedibeng (GSV)	5	5	0	Yes	Analysis
3	NWU Vaal Open 2023 (A)	2023-10-14	2023-10-14	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
4	Wits University 100 Chess Tournament 2023	2023-09-30	2023-09-30	Rapid	Johannesburg Metro (GJM)	5	4	0	Yes	Analysis
5	Hoerskool Drie Riviere Open 2023 (A)	2023-03-11	2023-03-11	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis

#	Games	Start				End
1	1	Tournament Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025				Tournament Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025
		date 2025-09-27	rnd 3	type Standard	result 1	date 2025-09-27	rnd 3	type Standard	result 1
		Opponent Komane, R (Rebaone)				Opponent Komane, R (Rebaone)
2	1	Tournament NWU Vaal Open 2023				Tournament NWU Vaal Open 2023
		date 2023-10-14	rnd 5	type Standard	result 0.5	date 2023-10-14	rnd 5	type Standard	result 0.5
		Opponent Tiro, N (Naledi)				Opponent Tiro, N (Naledi)
3	1	Tournament NWU Vaal Open 2023				Tournament NWU Vaal Open 2023
		date 2023-10-14	rnd 3	type Standard	result 0.5	date 2023-10-14	rnd 3	type Standard	result 0.5
		Opponent Lambiso, ME (Matlakala)				Opponent Lambiso, ME (Matlakala)

#	Games	Start				End
1	1	Tournament NWU Vaal Open 2023				Tournament NWU Vaal Open 2023
		date 2023-10-14	rnd 5	type Standard	result 0.5	date 2023-10-14	rnd 5	type Standard	result 0.5
		Opponent Tiro, N (Naledi)				Opponent Tiro, N (Naledi)
2	1	Tournament NWU Vaal Open 2023				Tournament NWU Vaal Open 2023
		date 2023-10-14	rnd 3	type Standard	result 0.5	date 2023-10-14	rnd 3	type Standard	result 0.5
		Opponent Lambiso, ME (Matlakala)				Opponent Lambiso, ME (Matlakala)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

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	Besuidenhout ,J (Jayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Besuidenhout ,J (Jayden)	1	1141.3	716.3	1	1136.8	716.3	0	0	0	0	0	0
2	Nephawe ,V (Vhugala)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Nephawe ,V (Vhugala)	1	1332.4	907.4	1	1341.4	907.4	0	0	0	0	0	0
3	Moje ,L (Lethabo)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Moje ,L (Lethabo)	1	1090.4	665.4	1	1088.8	665.4	0	0	0	0	0	0
4	Chibase ,N (Nkosana)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Chibase ,N (Nkosana)	1	1604.8	1179.8	1	1624	1179.8	0	0	0	0	0	0
5	Phosa ,K (Khauhelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Phosa ,K (Khauhelo)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Tiro ,N (Naledi)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Tiro ,N (Naledi)	1	1056.3	1056.3	1	1097.2	1056.3	0	0	0	0	0	0
7	Dlamini ,R (Reginald)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Dlamini ,R (Reginald)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Komane ,R (Rebaone)	1	1	425	1	1	425	0	0	0	0	0	0
8	Komane ,R (Rebaone)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Zwane ,Z (Zanele)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Zwane ,Z (Zanele)	1	1222.8	797.8	1	1212.7	797.8	0	0	0	0	0	0
10	Nyambi ,M (Mbali)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Nyambi ,M (Mbali)	1	1240.8	815.8	1	1233.5	815.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Nobela, P (Petronellah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms