Chess South Africa Ratings Database

PLAYER PAGE

Personal

Obinna, A (Anadebe)

Chess SA id

209092259

FIDE id

Date of birth

2009-05-05 (U18)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-03-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1219.3	1223.6	1200	1200
Raw rating	1219.3	1223.6	1200	1200
Weighted rating	1219.3	1223.6	1200	1200
Weighted performance	0	0	0	0
Floor	719.3	723.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	161.3	160.3	165.8	165.8
Highest rating	1243.7 2019-03-01	1241.7 2019-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1219.3 2024-03-01	1223.6 2024-03-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1219.3 2024-03-01	1223.6 2024-03-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1243.7 2019-03-01	1241.7 2019-03-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1219.3	1223.6	1200	1200
Analysis
Rating	1219.3	1223.6	1200	1200
Raw rating	1219.3	1223.6	1200	1200
Weighted rating	1219.3	1223.6	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	719.3	723.6	700	700
Max/Min rating change allowed	161.3	160.3	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	1219.3	1223.6	1200	1200
New weighted rating	1219.3	1223.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1219.3	1223.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1219.3	1223.6	1200	1200
New K-factor	36	36	36	36
New floor	719.3	723.6	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	16	16

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	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	1024	1194
Standard	10	7	70	170	1024	1194
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1219.3	1223.6	1200	1200
2025-09-30	1219.3	1223.6	1200	1200
2025-09-01	1219.3	1223.6	1200	1200
2025-08-01	1219.3	1223.6	1200	1200
2025-07-01	1219.3	1223.6	1200	1200
2025-06-01	1219.3	1223.6	1200	1200
2025-05-01	1219.3	1223.6	1200	1200
2025-04-01	1219.3	1223.6	1200	1200
2025-03-01	1219.3	1223.6	1200	1200
2025-02-01	1219.3	1223.6	1200	1200
2025-01-01	1219.3	1223.6	1200	1200
2024-12-01	1219.3	1223.6	1200	1200
2024-11-01	1219.3	1223.6	1200	1200
2024-10-01	1219.3	1223.6	1200	1200
2024-09-01	1219.3	1223.6	1200	1200
2024-08-01	1219.3	1223.6	1200	1200
2024-07-01	1219.3	1223.6	1200	1200
2024-09-01	1219.3	1223.6	1200	1200
2024-05-01	1219.3	1223.6	1200	1200
2024-04-01	1219.3	1223.6	1200	1200
2024-03-01	1219.3	1223.6	1200	1200
2024-02-01	1219.3	1223.6	1200	1200
2024-01-01	1219.3	1223.6	1200	1200
2023-12-01	1219.3	1223.6	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	JNW Club - Trinityhouse Randpark Ridge Open 2019 (E)	2019-03-09	2019-03-09	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
2	British International Prep/Chessnuts 2018 (U10)	2018-06-23	2018-06-23	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019
		date 2019-03-09	rnd 2	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Johnson, A (Ashar)				Opponent Joseph, J (Jamie)
2	2	Tournament British International Prep/Chessnuts 2018				Tournament British International Prep/Chessnuts 2018
		date 2018-06-23	rnd 3	type Standard	result 1	date 2018-06-23	rnd 4	type Standard	result 1
		Opponent Machiwenyika, C (Christian)				Opponent Van Der Walt, L (Linda)
3	1	Tournament British International Prep/Chessnuts 2018				Tournament British International Prep/Chessnuts 2018
		date 2018-06-23	rnd 1	type Standard	result 1	date 2018-06-23	rnd 1	type Standard	result 1
		Opponent Woolfson, ZC (Zoe Christina)				Opponent Woolfson, ZC (Zoe Christina)

#	Games	Start				End
1	4	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019
		date 2019-03-09	rnd 2	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Johnson, A (Ashar)				Opponent Joseph, J (Jamie)
2	2	Tournament British International Prep/Chessnuts 2018				Tournament British International Prep/Chessnuts 2018
		date 2018-06-23	rnd 3	type Standard	result 1	date 2018-06-23	rnd 4	type Standard	result 1
		Opponent Machiwenyika, C (Christian)				Opponent Van Der Walt, L (Linda)
3	1	Tournament British International Prep/Chessnuts 2018				Tournament British International Prep/Chessnuts 2018
		date 2018-06-23	rnd 1	type Standard	result 1	date 2018-06-23	rnd 1	type Standard	result 1
		Opponent Woolfson, ZC (Zoe Christina)				Opponent Woolfson, ZC (Zoe Christina)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019
		date 2019-03-09	rnd 2	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Johnson, A (Ashar)				Opponent Joseph, J (Jamie)
2	2	Tournament British International Prep/Chessnuts 2018				Tournament British International Prep/Chessnuts 2018
		date 2018-06-23	rnd 3	type Standard	result 1	date 2018-06-23	rnd 4	type Standard	result 1
		Opponent Machiwenyika, C (Christian)				Opponent Van Der Walt, L (Linda)
3	1	Tournament British International Prep/Chessnuts 2018				Tournament British International Prep/Chessnuts 2018
		date 2018-06-23	rnd 1	type Standard	result 1	date 2018-06-23	rnd 1	type Standard	result 1
		Opponent Woolfson, ZC (Zoe Christina)				Opponent Woolfson, ZC (Zoe Christina)

#	Games	Start				End
1	4	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019
		date 2019-03-09	rnd 2	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Johnson, A (Ashar)				Opponent Joseph, J (Jamie)
2	2	Tournament British International Prep/Chessnuts 2018				Tournament British International Prep/Chessnuts 2018
		date 2018-06-23	rnd 3	type Standard	result 1	date 2018-06-23	rnd 4	type Standard	result 1
		Opponent Machiwenyika, C (Christian)				Opponent Van Der Walt, L (Linda)
3	1	Tournament British International Prep/Chessnuts 2018				Tournament British International Prep/Chessnuts 2018
		date 2018-06-23	rnd 1	type Standard	result 1	date 2018-06-23	rnd 1	type Standard	result 1
		Opponent Woolfson, ZC (Zoe Christina)				Opponent Woolfson, ZC (Zoe Christina)

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	Marais ,E (Enzo)	1	1	425	1	1	425	0	0	0	0	0	0
1	Marais ,E (Enzo)	1	1071.4	1496.4	1	1051.2	1496.4	0	0	0	0	0	0
2	Joseph ,J (Jamie)	1	1	425	1	1	425	0	0	0	0	0	0
2	Joseph ,J (Jamie)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Ntlokwana ,A (Andzani)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Ntlokwana ,A (Andzani)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Machiwenyika ,C (Christian)	1	1	425	1	1	425	0	0	0	0	0	0
4	Machiwenyika ,C (Christian)	1	1214.8	1639.8	1	1216.4	1639.8	0	0	0	0	0	0
5	Van Der Walt ,L (Linda)	1	1	425	1	1	425	0	0	0	0	0	0
5	Van Der Walt ,L (Linda)	1	589.1	1014.1	1	595	1014.1	0	0	0	0	0	0
6	Spolander ,N (Nicholas)	1	1	425	1	1	425	0	0	0	0	0	0
6	Spolander ,N (Nicholas)	1	1201.3	1626.3	1	1201.6	1626.3	0	0	0	0	0	0
7	Woolfson ,ZC (Zoe Christina)	1	1	425	1	1	425	0	0	0	0	0	0
7	Woolfson ,ZC (Zoe Christina)	1	637.1	1062.1	1	661.2	1062.1	0	0	0	0	0	0
8	Sandenbergh ,RF (Francois)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Sandenbergh ,RF (Francois)	1	1001.3	576.3	1	1002.3	576.3	0	0	0	0	0	0
9	Johnson ,A (Ashar)	1	1	425	1	1	425	0	0	0	0	0	0
9	Johnson ,A (Ashar)	1	1145.5	1570.5	1	1137.2	1570.5	0	0	0	0	0	0
10	Van Heerden ,F (Freddie)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Heerden ,F (Freddie)	1	979.8	554.8	1	975.6	554.8	0	0	0	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

Obinna, A (Anadebe)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms