Chess South Africa Ratings Database

PLAYER PAGE

Personal

Cele, BN (Bongiwe Natasha)

Chess SA id

2100190415

FIDE id

Date of birth

2010-03-01 (U16)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

2025-10-27

Junior GPX Games

Junior GPX Points

1435.9

Item	Main	Standard	Rapid	Blitz
Rating	1413.7	1411.3	1200	1200
Raw rating	1413.7	1411.3	1200	1200
Weighted rating	1334.4	1345.3	1200	1200
Weighted performance	1365.2	1366.8	0	0
Floor	924.6	924.1	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	122.3	122.7	165.8	165.8
Highest rating	1424.6 2025-09-01	1424.1 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1424.6 2025-09-01	1424.1 2025-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1334.4 2025-11-01	1345.3 2025-11-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1414.9 2024-08-01	1416.5 2024-09-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1413.7	1411.3	1200	1200
Analysis
Rating	1413.7	1411.3	1200	1200
Raw rating	1413.7	1411.3	1200	1200
Weighted rating	1334.4	1345.3	1200
Weighted performance	1365.2	1366.8	0
K-factor	32	32	36	36
Floor	924.6	924.1	700	700
Max/Min rating change allowed	122.3	122.7	165.8	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	1413.7	1411.3	1200	1200
New weighted rating	1343.4	1353.3	1200	1200
New weighted performance	1356.7	1358.3	0	0
Temp new rating	1413.7	1411.3	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1413.7	1411.3	1200	1200
New K-factor	32	32	36	36
New floor	924.6	924.1	700	700

Item	Main	Standard
	0	0
	18	18
	14	14
	5	5
	0	0
	0	0
History	37	37

Games since
	Main 32	Standard 32		Rapid 0		Blitz 0
Gender	F
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U16	-1		-1		-1
U16 F	-1		-1		-1
Standard
	RSA		Province		Region
Overall	1973		728		277
F	7		1		1
U16	290		103		40
U16 F	1		1		1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U16	-1		-1		-1
U16 F	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U16	-1		-1		-1
U16 F	-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	18	12	66.67	141.7	1332.6	1474.3
Standard	18	12	66.67	141.7	1332.6	1474.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	37	25	67.57	149.3	1290.5	1439.9
Standard	37	25	67.57	149.3	1290.5	1439.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1413.7	1411.3	1200	1200
2025-09-30	1424.6	1424.1	1200	1200
2025-09-01	1424.6	1424.1	1200	1200
2025-08-01	1399.6	1400.2	1200	1200
2025-07-01	1337.1	1356	1200	1200
2025-06-01	1337.1	1356	1200	1200
2025-05-01	1313.6	1332.5	1200	1200
2025-04-01	1313.6	1332.5	1200	1200
2025-03-01	1313.6	1332.5	1200	1200
2025-02-01	1313.6	1332.5	1200	1200
2025-01-01	1313.6	1332.5	1200	1200
2024-12-01	1313.6	1332.5	1200	1200
2024-11-01	1313.6	1332.5	1200	1200
2024-10-01	1313.6	1332.5	1200	1200
2024-09-01	1287.6	1301.9	1200	1200
2024-08-01	1237.4	1242.9	1200	1200
2024-07-01	1237.4	1242.9	1200	1200
2024-09-01	1237.4	1242.9	1200	1200
2024-05-01	1227.8	1235.3	1200	1200
2024-04-01	1227.8	1235.3	1200	1200
2024-03-01	1227.8	1235.3	1200	1200
2024-02-01	1227.8	1235.3	1200	1200
2024-01-01	1227.8	1235.3	1200	1200
2023-12-01	1227.8	1235.3	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	2025 Gauteng Schools Provincial Individual Chess Championship (U15 Girls)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2025 Tshwane South School District CLOSED League Championship (U19B)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	3	3	Yes	Analysis
3	2025 Wynie Robbertse Chess Tournament (C)	2025-07-19	2025-07-19	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2025 Tshwane South School District Individual Finals (D4) (U15 Girls)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Schools Provincial Individual Chess Championship (U15 Girls)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2025 Tshwane South School District CLOSED League Championship (U19B)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	3	3	Yes	Analysis
3	2025 Wynie Robbertse Chess Tournament (C)	2025-07-19	2025-07-19	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2025 Tshwane South School District Individual Finals (D4) (U15 Girls)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	Gauteng Schools Individuals Finals 2024 (U15 Girls)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
6	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U15B)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	4	4	Yes	Analysis
7	2024 Tshwane South School District CLOSED Individual Championships (U15 Girls)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
8	Lardies Open Tournament 2023 (D1)	2023-10-28	2023-10-28	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	7	Tournament 2025 Wynie Robbertse Chess Tournament				Tournament 2025 Gauteng Schools Provincial Individual Chess Championship
		date 2025-07-19	rnd 4	type Standard	result 1	date 2025-09-27	rnd 2	type Standard	result 1
		Opponent Van Der Merwe, AP (Altus Philip)				Opponent Chandoka, A (Angela)
2	6	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-17	rnd 2	type Standard	result 1
		Opponent Grobler, E (Eluanco)				Opponent Motaung, R (Retshepile)
3	4	Tournament Lardies Open Tournament 2023				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2023-10-28	rnd 3	type Standard	result 0.5	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Weyer, E (Evan)				Opponent Laas, I (Isabella)

#	Games	Start				End
1	6	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-17	rnd 2	type Standard	result 1
		Opponent Grobler, E (Eluanco)				Opponent Motaung, R (Retshepile)
2	5	Tournament 2025 Wynie Robbertse Chess Tournament				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-07-19	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Van Der Merwe, AP (Altus Philip)				Opponent Lourenco, D (Denzel)
3	4	Tournament Lardies Open Tournament 2023				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2023-10-28	rnd 3	type Standard	result 0.5	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Weyer, E (Evan)				Opponent Laas, I (Isabella)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-17	rnd 2	type Standard	result 1
		Opponent Grobler, E (Eluanco)				Opponent Motaung, R (Retshepile)
2	5	Tournament 2025 Wynie Robbertse Chess Tournament				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-07-19	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Van Der Merwe, AP (Altus Philip)				Opponent Lourenco, D (Denzel)
3	3	Tournament Lardies Open Tournament 2023				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2023-10-28	rnd 4	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Loubser, L (Lara)				Opponent Laas, I (Isabella)

#	Games	Start				End
1	6	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-17	rnd 2	type Standard	result 1
		Opponent Grobler, E (Eluanco)				Opponent Motaung, R (Retshepile)
2	5	Tournament 2025 Wynie Robbertse Chess Tournament				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-07-19	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Van Der Merwe, AP (Altus Philip)				Opponent Lourenco, D (Denzel)
3	3	Tournament Lardies Open Tournament 2023				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2023-10-28	rnd 4	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Loubser, L (Lara)				Opponent Laas, I (Isabella)

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	Viljoen ,A (Amber)	2	1	0	2	1	0	0	0	0	0	0	0
1	Viljoen ,A (Amber)	2	1315	1315	2	1312.3	1315	0	0	0	0	0	0
2	Ngwangwa ,N (Nonhlanhla)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Ngwangwa ,N (Nonhlanhla)	2	1448.9	1023.9	2	1466.2	1023.9	0	0	0	0	0	0
3	Laas ,I (Isabella)	2	2	425	2	2	425	0	0	0	0	0	0
3	Laas ,I (Isabella)	2	1062.4	1487.4	2	1056.2	1487.4	0	0	0	0	0	0
4	Rizvi ,A (Anam)	2	2	425	2	2	425	0	0	0	0	0	0
4	Rizvi ,A (Anam)	2	1167.8	1592.8	2	1155.5	1592.8	0	0	0	0	0	0
5	Pillay ,K (Ketana)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Pillay ,K (Ketana)	1	1352.9	927.9	1	1340.6	927.9	0	0	0	0	0	0
6	Loubser ,L (Lara)	1	1	425	1	1	425	0	0	0	0	0	0
6	Loubser ,L (Lara)	1	1199.2	1624.2	1	1188.1	1624.2	0	0	0	0	0	0
7	Lourenco ,D (Denzel)	1	1	425	1	1	425	0	0	0	0	0	0
7	Lourenco ,D (Denzel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Matsiokolo ,G (Godisang)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Matsiokolo ,G (Godisang)	1	1473.9	1048.9	1	1475.9	1048.9	0	0	0	0	0	0
9	Semenekane ,L (Lesedi)	1	1	425	1	1	425	0	0	0	0	0	0
9	Semenekane ,L (Lesedi)	1	1272.7	1697.7	1	1285	1697.7	0	0	0	0	0	0
10	Van Der Merwe ,AP (Altus Philip)	1	1	425	1	1	425	0	0	0	0	0	0
10	Van Der Merwe ,AP (Altus Philip)	1	1438.6	1863.6	1	1433.8	1863.6	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

Cele, BN (Bongiwe Natasha)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms