Chess South Africa Ratings Database

PLAYER PAGE

Personal

Onukogu, A (Amarachukwu)

Chess SA id

1040113941

FIDE id

Date of birth

2004-08-17 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-05-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1240.3	1198	1261.6	1200
Raw rating	1240.3	1198	1261.6	1200
Weighted rating	1240.3	1198	1261.6	1200
Weighted performance	0	0	0	0
Floor	740.3	700	761.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	156.6	166.3	151.9	165.8
Highest rating	1240.3 2024-03-01	1200 2018-10-01	1463.5 2019-05-01	1200 2018-10-01
Highest raw rating	1240.3 2024-03-01	1200 2018-02-01	1261.6 2024-03-01	1200 2024-03-01
Highest weighted rating	1240.3 2024-03-01	1200 2018-10-01	1261.6 2024-03-01	1200 2018-10-01
Highest weighted performance	1213.9 2019-05-01	1200 2018-02-01	1463.5 2019-05-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1240.3	1198	1261.6	1200
Analysis
Rating	1240.3	1198	1261.6	1200
Raw rating	1240.3	1198	1261.6	1200
Weighted rating	1240.3	1198	1261.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	740.3	700	761.6	700
Max/Min rating change allowed	156.6	166.3	151.9	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	1240.3	1198	1261.6	1200
New weighted rating	1240.3	1198	1261.6	1200
New weighted performance	0	0	0	0
Temp new rating	1240.3	1198	1261.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1240.3	1198	1261.6	1200
New K-factor	36	36	36	36
New floor	740.3	700	761.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	10	5	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	7	70	170	1115.8	1285.8
Standard	5	3	60	85	1031.5	1116.5
Rapid	5	4	80	255	1200	1455
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1240.3	1198	1261.6	1200
2025-09-01	1240.3	1198	1261.6	1200
2025-08-01	1240.3	1198	1261.6	1200
2025-07-01	1240.3	1198	1261.6	1200
2025-06-01	1240.3	1198	1261.6	1200
2025-05-01	1240.3	1198	1261.6	1200
2025-04-01	1240.3	1198	1261.6	1200
2025-03-01	1240.3	1198	1261.6	1200
2025-02-01	1240.3	1198	1261.6	1200
2025-01-01	1240.3	1198	1261.6	1200
2024-12-01	1240.3	1198	1261.6	1200
2024-11-01	1240.3	1198	1261.6	1200
2024-10-01	1240.3	1198	1261.6	1200
2024-09-01	1240.3	1198	1261.6	1200
2024-08-01	1240.3	1198	1261.6	1200
2024-07-01	1240.3	1198	1261.6	1200
2024-06-01	1240.3	1198	1261.6	1200
2024-08-01	1240.3	1198	1261.6	1200
2024-04-01	1240.3	1198	1261.6	1200
2024-03-01	1240.3	1198	1261.6	1200
2024-02-01	1240.3	1198	1261.6	1200
2024-01-01	1240.3	1198	1261.6	1200
2023-12-01	1240.3	1198	1261.6	1200
2023-11-01	1240.3	1198	1261.6	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	2019 Gauteng Secondary Schools Individual Chess Championships (U15 Boys)	2019-05-25	2019-05-25	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	Gauteng D9 Finals 2019 (U15 Boys)	2019-05-18	2019-05-18	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis

#	Games	Start				End
1	3	Tournament Gauteng D9 Finals 2019				Tournament Gauteng D9 Finals 2019
		date 2019-05-18	rnd 1	type Rapid	result 1	date 2019-05-18	rnd 3	type Rapid	result 1
		Opponent Manganyi, S (Sibusiso)				Opponent Masego, L (Lehlogonolo)
2	2	Tournament 2019 Gauteng Secondary Schools Individual Chess Championships				Tournament 2019 Gauteng Secondary Schools Individual Chess Championships
		date 2019-05-25	rnd 2	type Standard	result 1	date 2019-05-25	rnd 3	type Standard	result 1
		Opponent Prince, E (Ethan)				Opponent Vinger, T (Tumelo)
3	1	Tournament 2019 Gauteng Secondary Schools Individual Chess Championships				Tournament 2019 Gauteng Secondary Schools Individual Chess Championships
		date 2019-05-25	rnd 5	type Standard	result 1	date 2019-05-25	rnd 5	type Standard	result 1
		Opponent Smith, D (Denzel)				Opponent Smith, D (Denzel)

#	Games	Start				End
1	2	Tournament 2019 Gauteng Secondary Schools Individual Chess Championships				Tournament 2019 Gauteng Secondary Schools Individual Chess Championships
		date 2019-05-25	rnd 2	type Standard	result 1	date 2019-05-25	rnd 3	type Standard	result 1
		Opponent Prince, E (Ethan)				Opponent Vinger, T (Tumelo)
2	1	Tournament 2019 Gauteng Secondary Schools Individual Chess Championships				Tournament 2019 Gauteng Secondary Schools Individual Chess Championships
		date 2019-05-25	rnd 5	type Standard	result 1	date 2019-05-25	rnd 5	type Standard	result 1
		Opponent Smith, D (Denzel)				Opponent Smith, D (Denzel)

#	Games	Start				End
1	3	Tournament Gauteng D9 Finals 2019				Tournament Gauteng D9 Finals 2019
		date 2019-05-18	rnd 1	type Rapid	result 1	date 2019-05-18	rnd 3	type Rapid	result 1
		Opponent Manganyi, S (Sibusiso)				Opponent Masego, L (Lehlogonolo)
2	1	Tournament Gauteng D9 Finals 2019				Tournament Gauteng D9 Finals 2019
		date 2019-05-18	rnd 5	type Rapid	result 1	date 2019-05-18	rnd 5	type Rapid	result 1
		Opponent Nkomo, S (Simphiwe)				Opponent Nkomo, S (Simphiwe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Gauteng D9 Finals 2019				Tournament Gauteng D9 Finals 2019
		date 2019-05-18	rnd 1	type Rapid	result 1	date 2019-05-18	rnd 3	type Rapid	result 1
		Opponent Manganyi, S (Sibusiso)				Opponent Masego, L (Lehlogonolo)
2	2	Tournament 2019 Gauteng Secondary Schools Individual Chess Championships				Tournament 2019 Gauteng Secondary Schools Individual Chess Championships
		date 2019-05-25	rnd 2	type Standard	result 1	date 2019-05-25	rnd 3	type Standard	result 1
		Opponent Prince, E (Ethan)				Opponent Vinger, T (Tumelo)
3	1	Tournament 2019 Gauteng Secondary Schools Individual Chess Championships				Tournament 2019 Gauteng Secondary Schools Individual Chess Championships
		date 2019-05-25	rnd 5	type Standard	result 1	date 2019-05-25	rnd 5	type Standard	result 1
		Opponent Smith, D (Denzel)				Opponent Smith, D (Denzel)

#	Games	Start				End
1	2	Tournament 2019 Gauteng Secondary Schools Individual Chess Championships				Tournament 2019 Gauteng Secondary Schools Individual Chess Championships
		date 2019-05-25	rnd 2	type Standard	result 1	date 2019-05-25	rnd 3	type Standard	result 1
		Opponent Prince, E (Ethan)				Opponent Vinger, T (Tumelo)
2	1	Tournament 2019 Gauteng Secondary Schools Individual Chess Championships				Tournament 2019 Gauteng Secondary Schools Individual Chess Championships
		date 2019-05-25	rnd 5	type Standard	result 1	date 2019-05-25	rnd 5	type Standard	result 1
		Opponent Smith, D (Denzel)				Opponent Smith, D (Denzel)

#	Games	Start				End
1	3	Tournament Gauteng D9 Finals 2019				Tournament Gauteng D9 Finals 2019
		date 2019-05-18	rnd 1	type Rapid	result 1	date 2019-05-18	rnd 3	type Rapid	result 1
		Opponent Manganyi, S (Sibusiso)				Opponent Masego, L (Lehlogonolo)
2	1	Tournament Gauteng D9 Finals 2019				Tournament Gauteng D9 Finals 2019
		date 2019-05-18	rnd 5	type Rapid	result 1	date 2019-05-18	rnd 5	type Rapid	result 1
		Opponent Nkomo, S (Simphiwe)				Opponent Nkomo, S (Simphiwe)

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	Smith ,D (Denzel)	1	1	425	1	1	425	0	0	0	0	0	0
1	Smith ,D (Denzel)	1	500	925	1	500	925	0	0	0	0	0	0
2	Vinger ,T (Tumelo)	1	1	425	1	1	425	0	0	0	0	0	0
2	Vinger ,T (Tumelo)	1	1235.9	1660.9	1	1244.8	1660.9	0	0	0	0	0	0
3	Prince ,E (Ethan)	1	1	425	1	1	425	0	0	0	0	0	0
3	Prince ,E (Ethan)	1	1173.1	1598.1	1	1200	1598.1	0	0	0	0	0	0
4	Mkotong ,B (Boipelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mkotong ,B (Boipelo)	1	1090.5	665.5	1	1155	665.5	0	0	0	0	0	0
5	Mokubetsi ,K (Kutlwano)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mokubetsi ,K (Kutlwano)	1	1157.8	732.8	1	1150	732.8	0	0	0	0	0	0
6	Nkomo ,S (Simphiwe)	1	1	425	0	0	0	1	1	425	0	0	0
6	Nkomo ,S (Simphiwe)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Lebethe ,O (Omphile)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Lebethe ,O (Omphile)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Masego ,L (Lehlogonolo)	1	1	425	0	0	0	1	1	425	0	0	0
8	Masego ,L (Lehlogonolo)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Mabizela ,N (Nkosinathi M)	1	1	425	0	0	0	1	1	425	0	0	0
9	Mabizela ,N (Nkosinathi M)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Manganyi ,S (Sibusiso)	1	1	425	0	0	0	1	1	425	0	0	0
10	Manganyi ,S (Sibusiso)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Onukogu, A (Amarachukwu)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms