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

2025-10-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1259.4	1236.8	1333.9	1182.2
Raw rating	1259.4	1236.8	1333.9	1122.6
Weighted rating	1255.7	1194.7	1315.5	1182.2
Weighted performance	1136.9	0	0	0
Floor	785.9	737.5	833.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	152.4	157.3	137	185.1
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	1253.7 2025-11-30	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	-5.4
New rating	1259.4	1236.8	1333.9	1176.8
Analysis
Rating	1259.4	1236.8	1333.9	1182.2
Raw rating	1259.4	1236.8	1333.9	1122.6
Weighted rating	1255.7	1194.7	1315.5
Weighted performance	1136.9	0	0
K-factor	36	36	36	36
Floor	785.9	737.5	833.9	700
Max/Min rating change allowed	152.4	157.3	137	185.1
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	1259.4	1236.8	1333.9	1122.6
New weighted rating	1257.5	1198.7	1319.3	1176.8
New weighted performance	1129.2	0	0	0
Temp new rating	1259.4	1236.8	1333.9	1176.8
Temp new rating +/-	0	0	0	-5.4
Final new rating +/-	0	0	0	-5.4
New rating	1259.4	1236.8	1333.9	1176.8
New K-factor	36	36	36	36
New floor	785.9	737.5	833.9	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	22	16	0	6
	11	0	11	0
	5	5	0	0
	0	0	0	0
	0	0	0	0
History	38	21	11	6

Games since
	Main 33	Standard 16		Rapid 11		Blitz 6
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	22	7.5	34.09	-135.2	1339.5	1204.2
Standard	16	7.5	46.88	-26.6	1317.2	1290.6
Rapid	0	0	0	0	0	0
Blitz	6	0	0	-425	1398.8	973.8
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	38	19	50	0	1278.9	1278.9
Standard	21	9.5	45.24	-40.5	1284	1243.5
Rapid	11	9.5	86.36	309.1	1203.8	1512.9
Blitz	6	0	0	-425	1398.8	973.8

Date	Main	Standard	Rapid	Blitz
2026-01-01	1259.4	1236.8	1333.9	1122.6
2025-11-30	1259.4	1236.8	1333.9	1122.6
2025-11-01	1268.6	1237.5	1333.9	1122.6
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
2024-11-01	1182.4	1176.2	1200	1200
2024-07-01	1182.4	1176.2	1200	1200
2024-06-01	1182.4	1176.2	1200	1200
2024-05-01	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

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	JCC St Davids Marist Schools League 2025 (B)	2025-09-08	2025-10-27	Standard	Johannesburg Metro (GJM)	6	5	2.5	Yes	Analysis
2	St Peters College Sports & Cultural Festival 2025	2025-09-19	2025-09-20	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
3	Randburg Spring Blitz 2025	2025-09-23	2025-09-23	Blitz	Johannesburg Metro (GJM)	7	6	0	Yes	Analysis
4	Tshwane Chess Club Clash 2025 (Open)	2025-09-13	2025-09-13	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
5	SACSSA Nationals 2024 (U13 Girls)	2024-10-19	2024-10-19	Rapid	Ekurhuleni (GE)	6	6	5.5	Yes	Analysis
6	SACSSA G7 Regional 2024 (U13)	2024-09-14	2024-09-14	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
7	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	3	Tournament St Peters College Sports & Cultural Festival 2025				Tournament St Peters College Sports & Cultural Festival 2025
		date 2025-09-19	rnd 2	type Standard	result 1	date 2025-09-19	rnd 4	type Standard	result 1
		Opponent Mataboge, R (Reabilwe)				Opponent Mphekgwane, P (Precious)
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	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	Anthonissen ,MV (Mikhael Villem)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Anthonissen ,MV (Mikhael Villem)	1	1633.4	1208.4	1	1630.8	1208.4	0	0	0	0	0	0
2	Pillay De Bruyn ,T (Trystan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Pillay De Bruyn ,T (Trystan)	1	1120.1	695.1	1	1116.3	695.1	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	Moyo ,Z (Zenzo)	1	1	425	1	1	425	0	0	0	0	0	0
4	Moyo ,Z (Zenzo)	1	1347.3	1772.3	1	1348.8	1772.3	0	0	0	0	0	0
5	Mphekgwane ,P (Precious)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mphekgwane ,P (Precious)	1	1281.4	1706.4	1	1234.1	1706.4	0	0	0	0	0	0
6	Oyebajo ,A (Adesola)	1	1	425	1	1	425	0	0	0	0	0	0
6	Oyebajo ,A (Adesola)	1	1050.6	1475.6	1	1022	1475.6	0	0	0	0	0	0
7	Randolph ,S (Soraya)	1	1	425	1	1	425	0	0	0	0	0	0
7	Randolph ,S (Soraya)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Okkers ,K (Kian)	1	1	425	1	1	425	0	0	0	0	0	0
8	Okkers ,K (Kian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Kumar ,A (Aayti)	1	1	425	1	1	425	0	0	0	0	0	0
9	Kumar ,A (Aayti)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Mistry ,R (Rahul)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mistry ,R (Rahul)	1	1305.5	880.5	1	1318.6	880.5	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