Chess South Africa Ratings Database

PLAYER PAGE

Personal

Okonkwo, B (Blessing)

Chess SA id

2110157302

FIDE id

Date of birth

2011-03-18 (U16)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1262.5

Item	Main	Standard	Rapid	Blitz
Rating	1285.9	1237.5	1333.9	1200
Raw rating	1285.9	1237.5	1333.9	1200
Weighted rating	1248.1	1181.4	1301.3	1200
Weighted performance	1263.4	0	0	0
Floor	785.9	737.5	833.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	146.7	157.2	137	165.8
Highest rating	1341.7 2024-11-01	1237.5 2025-09-30	1515.4 2024-11-01	1200 2018-10-01
Highest raw rating	1285.9 2025-09-30	1237.5 2025-09-30	1333.9 2024-11-01	1200 2024-02-01
Highest weighted rating	1248.1 2025-09-30	1200 2018-10-01	1289.6 2025-08-01	1200 2018-10-01
Highest weighted performance	1341.7 2024-11-01	1200 2019-12-01	1515.4 2024-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1285.9	1237.5	1333.9	1200
Analysis
Rating	1285.9	1237.5	1333.9	1200
Raw rating	1285.9	1237.5	1333.9	1200
Weighted rating	1248.1	1181.4	1301.3
Weighted performance	1263.4	0	0
K-factor	36	36	36	36
Floor	785.9	737.5	833.9	700
Max/Min rating change allowed	146.7	157.2	137	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	1285.9	1237.5	1333.9	1200
New weighted rating	1252.8	1186	1306.5	1200
New weighted performance	1262.9	0	0	0
Temp new rating	1285.9	1237.5	1333.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1285.9	1237.5	1333.9	1200
New K-factor	36	36	36	36
New floor	785.9	737.5	833.9	700

Item	Main	Standard	Rapid
	0	0	0
	11	11	0
	11	0	11
	5	5	0
	0	0	0
	0	0	0
History	27	16	11

Games since
	Main 22	Standard 11		Rapid 11		Blitz 0
Gender	Female
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	11	5	45.45	-38.6	1358.7	1320.1
Standard	11	5	45.45	-38.6	1358.7	1320.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	27	16.5	61.11	94.4	1262.1	1356.5
Standard	16	7	43.75	-53.1	1302.2	1249
Rapid	11	9.5	86.36	309.1	1203.8	1512.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1285.9	1237.5	1333.9	1200
2025-09-01	1267.4	1176.7	1333.9	1200
2025-08-01	1267.4	1176.7	1333.9	1200
2025-07-01	1267.4	1176.7	1333.9	1200
2025-06-01	1267.4	1176.7	1333.9	1200
2025-05-01	1267.4	1176.7	1333.9	1200
2025-04-01	1267.4	1176.7	1333.9	1200
2025-03-01	1267.4	1176.7	1333.9	1200
2025-02-01	1267.4	1176.7	1333.9	1200
2025-01-01	1267.4	1176.2	1333.9	1200
2024-12-01	1267.4	1176.2	1333.9	1200
2024-11-01	1267.4	1176.2	1333.9	1200
2024-10-01	1214.3	1176.2	1255.4	1200
2024-09-01	1182.4	1176.2	1200	1200
2024-08-01	1182.4	1176.2	1200	1200
2024-07-01	1182.4	1176.2	1200	1200
2024-06-01	1182.4	1176.2	1200	1200
2024-08-01	1182.4	1176.2	1200	1200
2024-04-01	1182.4	1176.2	1200	1200
2024-03-01	1182.4	1176.2	1200	1200
2024-02-01	1182.4	1176.2	1200	1200
2024-01-01	1182.4	1176.2	1200	1200
2023-12-01	1182.4	1176.2	1200	1200
2023-11-01	1182.4	1176.2	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	St Peters College Sports & Cultural Festival 2025	2025-09-19	2025-09-20	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
2	Tshwane Chess Club Clash 2025 (Open)	2025-09-13	2025-09-13	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	St Peters College Sports & Cultural Festival 2025	2025-09-19	2025-09-20	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
2	Tshwane Chess Club Clash 2025 (Open)	2025-09-13	2025-09-13	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
3	SACSSA Nationals 2024 (U13 Girls)	2024-10-19	2024-10-19	Rapid	Ekurhuleni (GE)	6	6	5.5	Yes	Analysis
4	SACSSA G7 Regional 2024 (U13)	2024-09-14	2024-09-14	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
5	GoForChess Junior Chess Championship 2023 (Senior)	2023-06-10	2023-06-10	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	9	Tournament SACSSA G7 Regional 2024				Tournament SACSSA Nationals 2024
		date 2024-09-14	rnd 3	type Rapid	result 1	date 2024-10-19	rnd 6	type Rapid	result 1
		Opponent Martins, J (Joel)				Opponent Chingobo, C (Chenai)
2	2	Tournament GoForChess Junior Chess Championship 2023				Tournament SACSSA G7 Regional 2024
		date 2023-06-10	rnd 5	type Standard	result 1	date 2024-09-14	rnd 1	type Rapid	result 1
		Opponent Mapuma, Q (Qhawekazi)				Opponent Malele, T (Tshenolo)
3	1	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 3	type Standard	result 1	date 2025-09-13	rnd 3	type Standard	result 1
		Opponent Moyo, Z (Zenzo)				Opponent Moyo, Z (Zenzo)

#	Games	Start				End
1	1	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 3	type Standard	result 1	date 2025-09-13	rnd 3	type Standard	result 1
		Opponent Moyo, Z (Zenzo)				Opponent Moyo, Z (Zenzo)
2	1	Tournament GoForChess Junior Chess Championship 2023				Tournament GoForChess Junior Chess Championship 2023
		date 2023-06-10	rnd 5	type Standard	result 1	date 2023-06-10	rnd 5	type Standard	result 1
		Opponent Mapuma, Q (Qhawekazi)				Opponent Mapuma, Q (Qhawekazi)
3	1	Tournament GoForChess Junior Chess Championship 2023				Tournament GoForChess Junior Chess Championship 2023
		date 2023-06-10	rnd 2	type Standard	result 1	date 2023-06-10	rnd 2	type Standard	result 1
		Opponent Oyebajo, A (Adesola)				Opponent Oyebajo, A (Adesola)

#	Games	Start				End
1	9	Tournament SACSSA G7 Regional 2024				Tournament SACSSA Nationals 2024
		date 2024-09-14	rnd 3	type Rapid	result 1	date 2024-10-19	rnd 6	type Rapid	result 1
		Opponent Martins, J (Joel)				Opponent Chingobo, C (Chenai)
2	1	Tournament SACSSA G7 Regional 2024				Tournament SACSSA G7 Regional 2024
		date 2024-09-14	rnd 1	type Rapid	result 1	date 2024-09-14	rnd 1	type Rapid	result 1
		Opponent Malele, T (Tshenolo)				Opponent Malele, T (Tshenolo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament SACSSA Nationals 2024				Tournament SACSSA Nationals 2024
		date 2024-10-19	rnd 3	type Rapid	result 1	date 2024-10-19	rnd 6	type Rapid	result 1
		Opponent Cavanagh, M (Maryann)				Opponent Chingobo, C (Chenai)
2	4	Tournament SACSSA G7 Regional 2024				Tournament SACSSA Nationals 2024
		date 2024-09-14	rnd 3	type Rapid	result 1	date 2024-10-19	rnd 1	type Rapid	result 1
		Opponent Martins, J (Joel)				Opponent Krishna, N (Naomi)
3	2	Tournament GoForChess Junior Chess Championship 2023				Tournament SACSSA G7 Regional 2024
		date 2023-06-10	rnd 5	type Standard	result 1	date 2024-09-14	rnd 1	type Rapid	result 1
		Opponent Mapuma, Q (Qhawekazi)				Opponent Malele, T (Tshenolo)

#	Games	Start				End
1	1	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 3	type Standard	result 1	date 2025-09-13	rnd 3	type Standard	result 1
		Opponent Moyo, Z (Zenzo)				Opponent Moyo, Z (Zenzo)
2	1	Tournament GoForChess Junior Chess Championship 2023				Tournament GoForChess Junior Chess Championship 2023
		date 2023-06-10	rnd 5	type Standard	result 1	date 2023-06-10	rnd 5	type Standard	result 1
		Opponent Mapuma, Q (Qhawekazi)				Opponent Mapuma, Q (Qhawekazi)
3	1	Tournament GoForChess Junior Chess Championship 2023				Tournament GoForChess Junior Chess Championship 2023
		date 2023-06-10	rnd 2	type Standard	result 1	date 2023-06-10	rnd 2	type Standard	result 1
		Opponent Oyebajo, A (Adesola)				Opponent Oyebajo, A (Adesola)

#	Games	Start				End
1	4	Tournament SACSSA Nationals 2024				Tournament SACSSA Nationals 2024
		date 2024-10-19	rnd 3	type Rapid	result 1	date 2024-10-19	rnd 6	type Rapid	result 1
		Opponent Cavanagh, M (Maryann)				Opponent Chingobo, C (Chenai)
2	4	Tournament SACSSA G7 Regional 2024				Tournament SACSSA Nationals 2024
		date 2024-09-14	rnd 3	type Rapid	result 1	date 2024-10-19	rnd 1	type Rapid	result 1
		Opponent Martins, J (Joel)				Opponent Krishna, N (Naomi)
3	1	Tournament SACSSA G7 Regional 2024				Tournament SACSSA G7 Regional 2024
		date 2024-09-14	rnd 1	type Rapid	result 1	date 2024-09-14	rnd 1	type Rapid	result 1
		Opponent Malele, T (Tshenolo)				Opponent Malele, T (Tshenolo)

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	Tan ,G (Gina)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Tan ,G (Gina)	1	1292.6	867.6	1	1244.6	867.6	0	0	0	0	0	0
2	Oyebajo ,A (Adesola)	1	1	425	1	1	425	0	0	0	0	0	0
2	Oyebajo ,A (Adesola)	1	1050.6	1475.6	1	1022	1475.6	0	0	0	0	0	0
3	Swart ,Z (Zander)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Swart ,Z (Zander)	1	1481.2	1056.2	1	1466.4	1056.2	0	0	0	0	0	0
4	Randolph ,S (Soraya)	1	1	425	1	1	425	0	0	0	0	0	0
4	Randolph ,S (Soraya)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Bijker ,W (Waldo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Bijker ,W (Waldo)	1	1473.6	1048.6	1	1471.9	1048.6	0	0	0	0	0	0
6	Mapuma ,Q (Qhawekazi)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mapuma ,Q (Qhawekazi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Wachsberger ,A (Aaron)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Wachsberger ,A (Aaron)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Hamman ,R (Reuben)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Hamman ,R (Reuben)	1	1465	1040	1	1465.9	1040	0	0	0	0	0	0
9	Gemmell ,R (Ryan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Gemmell ,R (Ryan)	1	1371.3	946.3	1	1380.7	946.3	0	0	0	0	0	0
10	Moyo ,Z (Zenzo)	1	1	425	1	1	425	0	0	0	0	0	0
10	Moyo ,Z (Zenzo)	1	1347.3	1772.3	1	1348.8	1772.3	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

Okonkwo, B (Blessing)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms