Chess South Africa Ratings Database

PLAYER PAGE

Personal

Okonko, E (Eberechukwu)

Chess SA id

2140193075

FIDE id

Date of birth

2014-01-04 (U12)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1282.6

Item	Main	Standard	Rapid	Blitz
Rating	1253.3	1262.4	1200	1200
Raw rating	1253.3	1262.4	1200	1200
Weighted rating	1186.5	1185.3	1200	1200
Weighted performance	1159.4	1154.5	0	0
Floor	753.3	762.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	153.7	151.7	165.8	165.8
Highest rating	1253.3 2025-09-30	1262.4 2025-09-30	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1253.3 2025-09-30	1262.4 2025-09-30	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1253.3	1262.4	1200	1200
Analysis
Rating	1253.3	1262.4	1200	1200
Raw rating	1253.3	1262.4	1200	1200
Weighted rating	1186.5	1185.3	1200
Weighted performance	1159.4	1154.5	0
K-factor	36	36	36	36
Floor	753.3	762.4	700	700
Max/Min rating change allowed	153.7	151.7	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	1253.3	1262.4	1200	1200
New weighted rating	1192.6	1192.3	1200	1200
New weighted performance	1152.2	1147.3	0	0
Temp new rating	1253.3	1262.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1253.3	1262.4	1200	1200
New K-factor	36	36	36	36
New floor	753.3	762.4	700	700

Item	Main	Standard
	0	0
	29	29
	5	5
	0	0
	0	0
	0	0
History	34	34

Games since
	Main 34	Standard 34		Rapid 0		Blitz 0
Gender	Female
Age group	U12
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	3529		1005		340
Female	769		283		107
U12	537		154		62
U12 Female	155		56		26
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 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	29	15.5	53.45	29.3	1242.7	1272
Standard	29	15.5	53.45	29.3	1242.7	1272
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	34	17	50	0	1227.2	1227.2
Standard	34	17	50	0	1227.2	1227.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1253.3	1262.4	1200	1200
2025-09-30	1253.3	1262.4	1200	1200
2025-09-01	1231.5	1244.1	1200	1200
2025-08-01	1183.8	1187	1200	1200
2025-07-01	1183.8	1187	1200	1200
2025-06-01	1183.8	1187	1200	1200
2025-05-01	1183.8	1187	1200	1200
2025-04-01	1190.8	1189.7	1200	1200
2025-03-01	1164.3	1156.1	1200	1200
2025-02-01	1164.8	1156.8	1200	1200
2025-01-01	1152.4	1141.6	1200	1200
2024-12-01	1152.4	1141.6	1200	1200
2024-11-01	1152.4	1141.6	1200	1200
2024-10-01	1152.4	1141.6	1200	1200
2024-09-01	1152.4	1141.6	1200	1200
2024-08-01	1152.4	1141.6	1200	1200
2024-07-01	1152.4	1141.6	1200	1200
2024-09-01	1152.4	1141.6	1200	1200
2024-05-01	1152.4	1141.6	1200	1200
2024-04-01	1152.4	1141.6	1200	1200
2024-03-01	1152.4	1141.6	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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	Western Cape Schools - Top Schools 2025 (U11 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	3.5	Yes	Analysis
2	Mossel Bay Top Schools 2025 (U11 Girls)	2025-08-02	2025-08-02	Standard	Eden (WEG)	5	3	3	Yes	Analysis
3	Eden Chess Trials 2 2025 (U12)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	4	Yes	Analysis
4	Eden Schools Chess Trials 1 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
5	Mossel Bay Schools Trials 2 2025 (U11 Girls)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U11 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	3.5	Yes	Analysis
2	Mossel Bay Top Schools 2025 (U11 Girls)	2025-08-02	2025-08-02	Standard	Eden (WEG)	5	3	3	Yes	Analysis
3	Eden Chess Trials 2 2025 (U12)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	4	Yes	Analysis
4	Eden Schools Chess Trials 1 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
5	Mossel Bay Schools Trials 2 2025 (U11 Girls)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	5	2	Yes	Analysis
6	Mossel Bay Schools Trials 2 2024 (U11)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Mossel Bay Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 0.5
		Opponent Fielies, F (Farren)				Opponent Hodgson, N (Neva)
2	3	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Koopman, F (Farren)				Opponent Braaf, G (Gabriella)
3	3	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 3	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Magopeni, X (Xola)				Opponent Muller, E (Eduard)

#	Games	Start				End
1	4	Tournament Mossel Bay Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 0.5
		Opponent Fielies, F (Farren)				Opponent Hodgson, N (Neva)
2	3	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Koopman, F (Farren)				Opponent Braaf, G (Gabriella)
3	3	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 3	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Magopeni, X (Xola)				Opponent Muller, E (Eduard)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Koopman, F (Farren)				Opponent Braaf, G (Gabriella)
2	3	Tournament Mossel Bay Top Schools 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Fielies, F (Farren)				Opponent Bruintjies, G (Granisha)
3	3	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 3	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Magopeni, X (Xola)				Opponent Muller, E (Eduard)

#	Games	Start				End
1	3	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Koopman, F (Farren)				Opponent Braaf, G (Gabriella)
2	3	Tournament Mossel Bay Top Schools 2025				Tournament Mossel Bay Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Fielies, F (Farren)				Opponent Bruintjies, G (Granisha)
3	3	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 3	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Magopeni, X (Xola)				Opponent Muller, E (Eduard)

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	Brand ,L (Lirina)	2	1	0	2	1	0	0	0	0	0	0	0
1	Brand ,L (Lirina)	2	1224.1	1224.1	2	1202.3	1224.1	0	0	0	0	0	0
2	Kiewiets ,J (Jashmyne)	1	1	425	1	1	425	0	0	0	0	0	0
2	Kiewiets ,J (Jashmyne)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Jaftha ,Z (Zakeva)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Jaftha ,Z (Zakeva)	1	1081	656	1	1064.8	656	0	0	0	0	0	0
4	Petersen ,A (Avah-Lee)	1	1	425	1	1	425	0	0	0	0	0	0
4	Petersen ,A (Avah-Lee)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Williams ,T (Tyreece)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Williams ,T (Tyreece)	1	1177.3	752.3	1	1173.4	752.3	0	0	0	0	0	0
6	Koopman ,F (Farren)	1	1	425	1	1	425	0	0	0	0	0	0
6	Koopman ,F (Farren)	1	1199.8	1624.8	1	1200	1624.8	0	0	0	0	0	0
7	Scholtz ,M (Miche)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Scholtz ,M (Miche)	1	1314.8	889.8	1	1308.9	889.8	0	0	0	0	0	0
8	Matsilele ,A (Amvuyise)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Matsilele ,A (Amvuyise)	1	1212.2	787.2	1	1221.5	787.2	0	0	0	0	0	0
9	Braaf ,G (Gabriella)	1	1	425	1	1	425	0	0	0	0	0	0
9	Braaf ,G (Gabriella)	1	1218	1643	1	1221.7	1643	0	0	0	0	0	0
10	Seconds ,R (Roshin)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Seconds ,R (Roshin)	1	1230.3	805.3	1	1218.9	805.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Okonko, E (Eberechukwu)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms