Chess South Africa Ratings Database

PLAYER PAGE

Personal

Onyejiuwa, C (Chichi)

Chess SA id

1080161247

FIDE id

Date of birth

2008-01-01 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1500.1

Item	Main	Standard	Rapid	Blitz
Rating	1400	1415.5	1200	1200
Raw rating	1400	1415.5	1200	1200
Weighted rating	1327.9	1332.9	1200	1200
Weighted performance	1394.3	1396.6	0	0
Floor	900	915.5	700	700
K-factor	36	32	36	36
Min/Max rating change allowed	124.7	122	165.8	165.8
Highest rating	1425.1 2025-09-01	1427.6 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1400 2025-09-01	1415.5 2025-09-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1309.3 2025-09-01	1312.3 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1425.1 2025-09-01	1427.6 2025-09-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1400	1415.5	1200	1200
Analysis
Rating	1400	1415.5	1200	1200
Raw rating	1400	1415.5	1200	1200
Weighted rating	1327.9	1332.9	1200
Weighted performance	1394.3	1396.6	0
K-factor	36	32	36	36
Floor	900	915.5	700	700
Max/Min rating change allowed	124.7	122	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	1400	1415.5	1200	1200
New weighted rating	1336.3	1342.2	1200	1200
New weighted performance	1385.6	1388	0	0
Temp new rating	1400	1415.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1400	1415.5	1200	1200
New K-factor	40	32	36	36
New floor	900	915.5	700	700

Item	Main	Standard
	0	0
	15	15
	20	20
	5	5
	0	0
	0	0
History	40	40

Games since
	Main 35	Standard 35		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	1927		709		267
Male	1577		574		213
U18	322		138		62
U18 Male	278		118		54
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	15	8.5	56.67	56.7	1462.9	1519.6
Standard	15	8.5	56.67	56.7	1462.9	1519.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	40	22	55	42.5	1368.8	1411.3
Standard	40	22	55	42.5	1368.8	1411.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1400	1415.5	1200	1200
2025-09-30	1400	1415.5	1200	1200
2025-09-01	1400	1415.5	1200	1200
2025-08-01	1359.5	1367.3	1200	1200
2025-07-01	1335.8	1338.7	1200	1200
2025-06-01	1335.8	1338.7	1200	1200
2025-05-01	1315.3	1314.3	1200	1200
2025-04-01	1315.3	1314.3	1200	1200
2025-03-01	1315.3	1314.3	1200	1200
2025-02-01	1315.3	1314.3	1200	1200
2025-01-01	1315.3	1314.3	1200	1200
2024-12-01	1315.3	1314.3	1200	1200
2024-11-01	1315.3	1314.3	1200	1200
2024-10-01	1315.3	1314.3	1200	1200
2024-09-01	1315.3	1314.3	1200	1200
2024-08-01	1281.5	1296.2	1200	1200
2024-07-01	1226.2	1231.4	1200	1200
2024-09-01	1226.2	1231.4	1200	1200
2024-05-01	1213.4	1216.6	1200	1200
2024-04-01	1213.4	1216.6	1200	1200
2024-03-01	1213.4	1216.6	1200	1200
2024-02-01	1213.4	1216.6	1200	1200
2024-01-01	1213.4	1216.6	1200	1200
2023-12-01	1213.4	1216.6	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 Tshwane North District CLOSED Team Championships (D3) (U19 Open)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U19 Open)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
3	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U18 Open)	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 Tshwane North District CLOSED Team Championships (D3) (U19 Open)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U19 Open)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
3	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U18 Open)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2024 Alekhine Open Chess Tournament (B)	2024-08-09	2024-08-10	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	2024 Tshwane North School District Team League Finals (U17)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
6	2024 Tshwane North School District Cluster 4 & 5 Team League (U17)	2024-07-20	2024-07-20	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
7	District 3 Cluster 4 and 5 Individuals 2024 (U18 Boys)	2024-05-06	2024-05-06	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
8	2023 Gauteng Top Schools (U19 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-05-06	rnd 4	type Standard	result 0.5	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Mndebele, B (Banele)				Opponent Kameel, O (Ofentse)
2	3	Tournament 2024 Tshwane North School District Team League Finals				Tournament 2024 Tshwane North School District Team League Finals
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Tshirado, P (Phenyo)				Opponent Baloyi, B (Boikanyo)
3	2	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Burgers, AJ (Adriaan Johannes)				Opponent Mabulane, L (Lethabo)

#	Games	Start				End
1	5	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-05-06	rnd 4	type Standard	result 0.5	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Mndebele, B (Banele)				Opponent Kameel, O (Ofentse)
2	3	Tournament 2024 Tshwane North School District Team League Finals				Tournament 2024 Tshwane North School District Team League Finals
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Tshirado, P (Phenyo)				Opponent Baloyi, B (Boikanyo)
3	2	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Burgers, AJ (Adriaan Johannes)				Opponent Mabulane, L (Lethabo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-05-06	rnd 5	type Standard	result 1	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Ferns, S (Stian Hunter)				Opponent Kameel, O (Ofentse)
2	3	Tournament 2024 Tshwane North School District Team League Finals				Tournament 2024 Tshwane North School District Team League Finals
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Tshirado, P (Phenyo)				Opponent Baloyi, B (Boikanyo)
3	2	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Burgers, AJ (Adriaan Johannes)				Opponent Mabulane, L (Lethabo)

#	Games	Start				End
1	4	Tournament District 3 Cluster 4 and 5 Individuals 2024				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-05-06	rnd 5	type Standard	result 1	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Ferns, S (Stian Hunter)				Opponent Kameel, O (Ofentse)
2	3	Tournament 2024 Tshwane North School District Team League Finals				Tournament 2024 Tshwane North School District Team League Finals
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Tshirado, P (Phenyo)				Opponent Baloyi, B (Boikanyo)
3	2	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Burgers, AJ (Adriaan Johannes)				Opponent Mabulane, L (Lethabo)

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	Kruger ,H (Hein)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Kruger ,H (Hein)	2	1450.5	1025.5	2	1446.2	1025.5	0	0	0	0	0	0
2	Burgers ,AJ (Adriaan Johannes)	2	1	0	2	1	0	0	0	0	0	0	0
2	Burgers ,AJ (Adriaan Johannes)	2	1563.6	1563.6	2	1570.7	1563.6	0	0	0	0	0	0
3	Stephen ,B (Bulelani)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Stephen ,B (Bulelani)	2	1855.6	1430.6	2	1865.2	1430.6	0	0	0	0	0	0
4	Shibambu ,K (Khenso Divine)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Shibambu ,K (Khenso Divine)	2	1587.2	1162.2	2	1589.6	1162.2	0	0	0	0	0	0
5	Mashaba ,A (Alpheus)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mashaba ,A (Alpheus)	1	1349.8	1774.8	1	1363.4	1774.8	0	0	0	0	0	0
6	Mabulane ,L (Lethabo)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mabulane ,L (Lethabo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Mahlomola ,K (Keamogetswe)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mahlomola ,K (Keamogetswe)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Jooste ,J (Josh)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Jooste ,J (Josh)	1	1439.2	1014.2	1	1426.5	1014.2	0	0	0	0	0	0
9	Malanot ,D (Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
9	Malanot ,D (Daniel)	1	1250.6	1675.6	1	1259.6	1675.6	0	0	0	0	0	0
10	Wolfaardt ,J (John Eduan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Wolfaardt ,J (John Eduan)	1	1501.3	1076.3	1	1497.1	1076.3	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

Onyejiuwa, C (Chichi)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms