Chess South Africa Ratings Database

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Personal

Ogunjiofor, CJ (Chinedu Jeremy)

Chess SA id

110087575

FIDE id

Date of birth

2010-05-29 (U16)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1417.5

Item	Main	Standard	Rapid	Blitz
Rating	1504.2	1493.1	1083.1	662.4
Raw rating	1504.2	1493.1	1083.1	662.4
Weighted rating	1501.9	1491.1	1083.1	662.4
Weighted performance	1244.4	1243	0	0
Floor	1059.6	1042.5	583.1	500
K-factor	32	32	40	40
Min/Max rating change allowed	107.5	109.2	195.9	356.7
Highest rating	1593.8 2023-08-01	1542.5 2024-04-01	1632.4 2023-08-01	1200 2024-02-01
Highest raw rating	1559.6 2023-09-01	1542.5 2024-04-01	1083.1 2024-02-01	662.4 2024-02-01
Highest weighted rating	1559.6 2024-09-01	1542.5 2024-09-01	1083.1 2024-11-01	662.4 2024-11-01
Highest weighted performance	1593.8 2023-08-01	1536.7 2023-07-01	1632.4 2023-08-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1504.2	1493.1	1083.1	662.4
Analysis
Rating	1504.2	1493.1	1083.1	662.4
Raw rating	1504.2	1493.1	1083.1	662.4
Weighted rating	1501.9	1491.1	1083.1
Weighted performance	1244.4	1243	0
K-factor	32	32	40	40
Floor	1059.6	1042.5	583.1	500
Max/Min rating change allowed	107.5	109.2	195.9	356.7
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	1504.2	1493.1	1083.1	662.4
New weighted rating	1501.6	1490.8	1083.1	662.4
New weighted performance	1243.9	1242.5	0	0
Temp new rating	1504.2	1493.1	1083.1	662.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1504.2	1493.1	1083.1	662.4
New K-factor	32	32	40	40
New floor	1059.6	1042.5	583.1	500

Item	Main	Standard	Rapid
	0	0	0
	9	9	0
	37	37	0
	46	30	16
	16	16	0
	5	5	0
History	273	257	16

Games since
	Main 51	Standard 51		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	1232		19		14
Male	1061		18		14
U16	156		2		2
U16 Male	124		2		2
Standard
	RSA		Province		Region
Overall	1225		20		15
Male	1045		19		15
U16	166		4		4
U16 Male	133		4		4
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-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	9	3	33.33	-141.7	1511.8	1370.2
Standard	9	3	33.33	-141.7	1511.8	1370.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	239	164.5	68.83	160	1159	1319
Standard	223	151	67.71	150.6	1149.7	1300.3
Rapid	16	13.5	84.38	292.2	1287.9	1580.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1504.2	1493.1	1083.1	662.4
2025-09-01	1504.2	1493.1	1083.1	662.4
2025-08-01	1504.2	1493.1	1083.1	662.4
2025-07-01	1504.2	1493.1	1083.1	662.4
2025-06-01	1504.2	1493.1	1083.1	662.4
2025-05-01	1502.6	1491.1	1083.1	662.4
2025-04-01	1506.1	1495.3	1083.1	662.4
2025-03-01	1506.1	1495.3	1083.1	662.4
2025-02-01	1503	1492.2	1083.1	662.4
2025-01-01	1456.4	1448	1083.1	662.4
2024-12-01	1456.4	1448	1083.1	662.4
2024-11-01	1456.4	1448	1083.1	662.4
2024-10-01	1433.6	1415.7	1083.1	662.4
2024-09-01	1529.6	1520.7	1083.1	662.4
2024-08-01	1543.3	1536.1	1083.1	662.4
2024-07-01	1544.9	1534.8	1083.1	662.4
2024-06-01	1544.9	1534.8	1083.1	662.4
2024-08-01	1549.5	1542.5	1083.1	662.4
2024-04-01	1549.5	1542.5	1083.1	662.4
2024-03-01	1515.6	1499.9	1083.1	662.4
2024-02-01	1515.6	1499.9	1083.1	662.4
2024-01-01	1515.6	1499.9	1083.1	662.4
2023-12-01	1515.6	1499.9	1083.1	662.4
2023-11-01	1535.8	1520.1	1083.1	662.4

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	Mpumalanga Open Chess Championship 2025 (A)	2025-04-19	2025-04-19	Standard	Ehlanzeni (MEN)	5	4	0.5	Yes	Analysis
2	Uplands Chess Tournament 2025 (Open)	2025-02-08	2025-02-08	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mpumalanga Open Chess Championship 2025 (A)	2025-04-19	2025-04-19	Standard	Ehlanzeni (MEN)	5	4	0.5	Yes	Analysis
2	Uplands Chess Tournament 2025 (Open)	2025-02-08	2025-02-08	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
3	TRAC Mbombela 2024 (U16)	2024-10-26	2024-10-26	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
4	2024 South Africa National Schools Chess Championship (U15 Boys)	2024-09-27	2024-09-28	Standard	Nelson Mandela Bay (ENM)	7	7	2	Yes	Analysis
5	Laerskool Lydenburg 2024 (U16)	2024-08-24	2024-08-24	Standard	Ehlanzeni (MEN)	5	5	3.5	Yes	Analysis
6	Uplands Chess Tournament 2024 (Open)	2024-07-27	2024-07-27	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
7	2024 Chess Unlimited Invitational (Section 4)	2024-07-06	2024-07-06	Standard	Ehlanzeni (MEN)	5	5	5	Yes	Analysis
8	Curro Chess Tournament 2024 (U16)	2024-05-18	2024-05-18	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
9	Oikos Chess Tournament 2024 (U16)	2024-03-09	2024-03-09	Standard	Ehlanzeni (MEN)	5	5	5	Yes	Analysis
10	Mbombela Chess Club Annual 2023 (U14)	2023-12-02	2023-12-02	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
11	Mpumalanga Final 2023 (U13)	2023-09-02	2023-09-02	Rapid	Gert Sibande (MGS)	5	5	2.5	Yes	Analysis
12	Interprimary Finals 2023 (U13)	2023-08-19	2023-08-19	Rapid	Ehlanzeni (MEN)	5	5	5	Yes	Analysis
13	Interprimary 2023 (U13)	2023-08-05	2023-08-05	Rapid	Ehlanzeni (MEN)	7	6	6	Yes	Analysis
14	White River Primary 2023 (U14)	2023-07-21	2023-07-21	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
15	Robbies 2023 (U14)	2023-05-11	2023-05-11	Standard	Ehlanzeni (MEN)	5	5	5	Yes	Analysis
16	Oikos Chess Tournament 2023 (U14)	2023-03-11	2023-03-11	Standard	Ehlanzeni (MEN)	5	5	5	Yes	Analysis
17	Uplands Chess Tournament 2023 (U14)	2023-02-25	2023-02-25	Standard	Ehlanzeni (MEN)	5	5	3.5	Yes	Analysis
18	Penryn Chess Tournament 2023 (U14)	2023-02-11	2023-02-11	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
19	2022 South African Junior Team Chess Championships (U14 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	6	1	Yes	Analysis
20	Rob Ferreira Chess Tournament 2022 (U14)	2022-05-07	2022-05-07	Standard	Ehlanzeni (MEN)	5	5	5	Yes	Analysis
21	Uplands Chess Tournament 2022 (U14)	2022-02-26	2022-02-26	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
22	Chess Unlimited 1 2021 (U14)	2021-10-23	2021-10-23	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
23	Bergvlam Tournament 2020 (U12)	2020-03-14	2020-03-14	Standard	Ehlanzeni (MEN)	5	5	5	Yes	Analysis
24	Chess Unlimited Leap Year Tournament 2020 (A)	2020-02-29	2020-02-29	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
25	Uplands 2020 (U12)	2020-01-25	2020-01-25	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
26	2019 South African Junior Team Championships (U12A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
27	Ehlanzeni Open 2019 (C)	2019-07-20	2019-07-20	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
28	De Goede Top 10 2019 (U8+U10)	2019-07-03	2019-07-03	Standard	Ehlanzeni (MEN)	5	5	5	Yes	Analysis
29	Barberton Primary 2019 (U12)	2019-07-27	2019-07-27	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
30	Rob Ferreira 2019 (A)	2019-04-06	2019-04-06	Standard	Ehlanzeni (MEN)	5	4	0	Yes	Analysis
31	Curro Open 2019 (U10)	2019-04-12	2019-04-12	Standard	Ehlanzeni (MEN)	5	5	4.5	Yes	Analysis
32	Uplands Open Age 2019 (U12)	2019-03-09	2019-03-09	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
33	Chess Unlimited Open 2019 (B)	2019-03-02	2019-03-02	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
34	Penryn Age Open 2019 (U12)	2019-02-09	2019-02-09	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
35	Chess Unlimited Open 2019 (B)	2019-01-26	2019-01-26	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
36	South African Junior Team Championships 2018 (U10C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
37	Nelpsruit Prestige 2018 (D)	2018-09-14	2018-09-15	Standard	Ehlanzeni (MEN)	6	6	4	Yes	Analysis
38	De Goede Top 20 Closed 2018 (U10 Open)	2018-08-18	2018-08-18	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
39	Malelane Primary 2018 (U10 Open)	2018-07-21	2018-07-21	Standard	Ehlanzeni (MEN)	5	5	3.5	Yes	Analysis
40	Lowveld Open 2018 (B)	2018-07-28	2018-07-28	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
41	Curro Age Open 2018 (U8+U10 Open)	2018-05-12	2018-05-12	Standard	Ehlanzeni (MEN)	5	5	5	Yes	Analysis
42	Penryn Age Open 2018 (U8+U10)	2018-04-21	2018-04-21	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
43	Uplands College Open (A)	2018-03-03	2018-03-03	Standard	Ehlanzeni (MEN)	5	5	1	Yes	Analysis
44	Sabie Primary 2018 (B)	2018-03-10	2018-03-10	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
45	Rob Ferreira Hoerskool Open 2018 (B)	2018-03-17	2018-03-17	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
46	South African Junior Team Championships 2017 (U10C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	7	Yes	Analysis

#	Games	Start				End
1	14	Tournament Uplands Chess Tournament 2023				Tournament White River Primary 2023
		date 2023-02-25	rnd 5	type Standard	result 0.5	date 2023-07-21	rnd 3	type Standard	result 1
		Opponent Mudimeli, V (Vhulenda)				Opponent Mosehla, L (Lebogang)
2	13	Tournament White River Primary 2023				Tournament Mpumalanga Final 2023
		date 2023-07-21	rnd 5	type Standard	result 1	date 2023-09-02	rnd 1	type Rapid	result 1
		Opponent Svourakis, E (Eirini)				Opponent Mashinini, L (Lee)
3	12	Tournament Curro Open 2019				Tournament Ehlanzeni Open 2019
		date 2019-04-12	rnd 1	type Standard	result 1	date 2019-07-20	rnd 2	type Standard	result 1
		Opponent Moshood, R (Rilwan)				Opponent Sibiya, S (Sizakele)

#	Games	Start				End
1	14	Tournament Uplands Chess Tournament 2023				Tournament White River Primary 2023
		date 2023-02-25	rnd 5	type Standard	result 0.5	date 2023-07-21	rnd 3	type Standard	result 1
		Opponent Mudimeli, V (Vhulenda)				Opponent Mosehla, L (Lebogang)
2	12	Tournament Curro Open 2019				Tournament Ehlanzeni Open 2019
		date 2019-04-12	rnd 1	type Standard	result 1	date 2019-07-20	rnd 2	type Standard	result 1
		Opponent Moshood, R (Rilwan)				Opponent Sibiya, S (Sizakele)
3	9	Tournament Mbombela Chess Club Annual 2023				Tournament Curro Chess Tournament 2024
		date 2023-12-02	rnd 5	type Standard	result 1	date 2024-05-18	rnd 3	type Standard	result 1
		Opponent Tibane, P (Phavious)				Opponent Lukhwareni, NI (Ndiene)

#	Games	Start				End
1	12	Tournament Interprimary 2023				Tournament Mpumalanga Final 2023
		date 2023-08-05	rnd 1	type Rapid	result 1	date 2023-09-02	rnd 1	type Rapid	result 1
		Opponent Van Staden, P (Philip)				Opponent Mashinini, L (Lee)
2	1	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 5	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Du Plessis, J (Jean-Pierre)				Opponent Du Plessis, J (Jean-Pierre)
3	1	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 3	type Rapid	result 0.5	date 2023-09-02	rnd 3	type Rapid	result 0.5
		Opponent Shabangu, N (Nkululeko)				Opponent Shabangu, N (Nkululeko)

No games found.

#	Games	Start				End

#	Games	Start				End
1	13	Tournament White River Primary 2023				Tournament Mpumalanga Final 2023
		date 2023-07-21	rnd 5	type Standard	result 1	date 2023-09-02	rnd 1	type Rapid	result 1
		Opponent Svourakis, E (Eirini)				Opponent Mashinini, L (Lee)
2	13	Tournament Oikos Chess Tournament 2023				Tournament White River Primary 2023
		date 2023-03-11	rnd 1	type Standard	result 1	date 2023-07-21	rnd 3	type Standard	result 1
		Opponent Cowley, J (Juandre)				Opponent Mosehla, L (Lebogang)
3	9	Tournament Mbombela Chess Club Annual 2023				Tournament Curro Chess Tournament 2024
		date 2023-12-02	rnd 5	type Standard	result 1	date 2024-05-18	rnd 3	type Standard	result 1
		Opponent Tibane, P (Phavious)				Opponent Lukhwareni, NI (Ndiene)

#	Games	Start				End
1	13	Tournament Oikos Chess Tournament 2023				Tournament White River Primary 2023
		date 2023-03-11	rnd 1	type Standard	result 1	date 2023-07-21	rnd 3	type Standard	result 1
		Opponent Cowley, J (Juandre)				Opponent Mosehla, L (Lebogang)
2	9	Tournament Mbombela Chess Club Annual 2023				Tournament Curro Chess Tournament 2024
		date 2023-12-02	rnd 5	type Standard	result 1	date 2024-05-18	rnd 3	type Standard	result 1
		Opponent Tibane, P (Phavious)				Opponent Lukhwareni, NI (Ndiene)
3	8	Tournament Curro Chess Tournament 2024				Tournament Uplands Chess Tournament 2024
		date 2024-05-18	rnd 5	type Standard	result 1	date 2024-07-27	rnd 2	type Standard	result 1
		Opponent Sibiya, A (Alwande)				Opponent Vilavathu, V (Vaiga)

#	Games	Start				End
1	12	Tournament Interprimary 2023				Tournament Mpumalanga Final 2023
		date 2023-08-05	rnd 1	type Rapid	result 1	date 2023-09-02	rnd 1	type Rapid	result 1
		Opponent Van Staden, P (Philip)				Opponent Mashinini, L (Lee)
2	1	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 5	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Du Plessis, J (Jean-Pierre)				Opponent Du Plessis, J (Jean-Pierre)

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	Pauer ,M (Mieke)	8	0.5	-371.9	8	0.5	-371.9	0	0	0	0	0	0
1	Pauer ,M (Mieke)	8	1203.4	831.6	8	1200.1	831.6	0	0	0	0	0	0
2	Glass ,G (Gift)	8	3.5	-53.1	6	2.5	-70.8	2	1	0	0	0	0
2	Glass ,G (Gift)	8	1421.4	1368.2	6	1371.9	1350.5	2	1218.6	1421.4	0	0	0
3	Van Dyk ,M (Mia)	7	5.5	242.9	7	5.5	242.9	0	0	0	0	0	0
3	Van Dyk ,M (Mia)	7	1136.7	1379.6	7	1134.4	1379.6	0	0	0	0	0	0
4	Macdonald ,I (Ian)	6	3	0	6	3	0	0	0	0	0	0	0
4	Macdonald ,I (Ian)	6	1153.3	1153.3	6	1143.4	1153.3	0	0	0	0	0	0
5	Naidoo ,J (Jasbir)	5	3	85	5	3	85	0	0	0	0	0	0
5	Naidoo ,J (Jasbir)	5	1004	1089	5	1000.4	1089	0	0	0	0	0	0
6	Arugundiya ,R (Robert)	5	5	425	5	5	425	0	0	0	0	0	0
6	Arugundiya ,R (Robert)	5	1124.8	1549.8	5	1118	1549.8	0	0	0	0	0	0
7	Shongwe ,L (Lihle)	3	3	425	3	3	425	0	0	0	0	0	0
7	Shongwe ,L (Lihle)	3	1087.6	1512.6	3	1101.5	1512.6	0	0	0	0	0	0
8	Loock ,S (Schalk)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
8	Loock ,S (Schalk)	3	1122.1	1405.5	3	1111.6	1405.5	0	0	0	0	0	0
9	Ogunjiofor ,AJ (Asinobi Jeffrey)	3	0	-425	3	0	-425	0	0	0	0	0	0
9	Ogunjiofor ,AJ (Asinobi Jeffrey)	3	1341.4	916.4	3	1344.1	916.4	0	0	0	0	0	0
10	Onwusaka ,L (Lucky)	3	0	-425	3	0	-425	0	0	0	0	0	0
10	Onwusaka ,L (Lucky)	3	1234.7	809.7	3	1232.2	809.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Ogunjiofor, CJ (Chinedu Jeremy)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms