Chess South Africa Ratings Database

PLAYER PAGE

Personal

Onatu, G (George)

Chess SA id

1100162464

FIDE id

Date of birth

2010-04-21 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1457.5	1464	1211.5	1241.4
Raw rating	1428.9	1440.8	1211.5	1241.4
Weighted rating	1332.7	1337.2	1175.7	1238.5
Weighted performance	1457.5	1464	1079.4	0
Floor	928.9	940.8	711.5	741.4
K-factor	32	32	36	36
Min/Max rating change allowed	119.7	117.7	163.1	156.3
Highest rating	1457.5 2026-01-01	1464 2026-01-01	1211.5 2025-11-01	1322.9 2024-07-01
Highest raw rating	1428.9 2026-01-01	1440.8 2026-01-01	1211.5 2025-11-01	1241.4 2024-08-01
Highest weighted rating	1332.7 2026-01-01	1337.2 2026-01-01	1200 2018-10-01	1232.3 2025-08-01
Highest weighted performance	1457.5 2026-01-01	1464 2026-01-01	1200 2019-12-01	1322.9 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-9.7	-9.8	0	0
New rating	1447.8	1454.2	1211.5	1241.4
Analysis
Rating	1457.5	1464	1211.5	1241.4
Raw rating	1428.9	1440.8	1211.5	1241.4
Weighted rating	1332.7	1337.2	1175.7
Weighted performance	1457.5	1464	1079.4
K-factor	32	32	36	36
Floor	928.9	940.8	711.5	741.4
Max/Min rating change allowed	119.7	117.7	163.1	156.3
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	1428.9	1440.8	1211.5	1241.4
New weighted rating	1343.6	1348.7	1179.2	1239.3
New weighted performance	1447.8	1454.2	1071.5	0
Temp new rating	1447.8	1454.2	1211.5	1241.4
Temp new rating +/-	-9.7	-9.8	0	0
Final new rating +/-	-9.7	-9.8	0	0
New rating	1447.8	1454.2	1211.5	1241.4
New K-factor	32	32	36	36
New floor	928.9	940.8	711.5	741.4

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	35	25	10	0
	29	10	10	9
	5	0	5	0
	0	0	0	0
	0	0	0	0
History	69	35	25	9

Games since
	Main 64	Standard 35		Rapid 20		Blitz 9
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	1905		661		224
Male	1577		537		187
U16	264		89		35
U16 Male	208		68		28
Standard
	RSA		Province		Region
Overall	1674		621		199
Male	1382		502		164
U16	231		77		26
U16 Male	184		58		20
Rapid
	RSA		Province		Region
Overall	1608		278		124
Male	1232		210		103
U16	256		38		21
U16 Male	197		28		18
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	35	21.5	61.43	97.1	1347.5	1444.6
Standard	25	15.5	62	102	1359.7	1461.7
Rapid	10	6	60	85	1316.8	1401.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	69	37.5	54.35	37	1351	1388
Standard	35	20.5	58.57	72.9	1379.7	1452.6
Rapid	25	11	44	-51	1346.9	1295.9
Blitz	9	6	66.67	141.7	1250.9	1392.6

Date	Main	Standard	Rapid	Blitz
2026-01-01	1428.9	1440.8	1211.5	1241.4
2025-11-30	1418.7	1430.9	1211.5	1241.4
2025-11-01	1351.2	1346.6	1211.5	1241.4
2025-09-30	1345.3	1344.5	1190.2	1241.4
2025-09-01	1345.3	1344.5	1190.2	1241.4
2025-08-01	1359.2	1361.9	1190.2	1241.4
2025-07-01	1359.2	1361.9	1190.2	1241.4
2025-06-01	1359.2	1361.9	1190.2	1241.4
2025-05-01	1359.2	1361.9	1190.2	1241.4
2025-04-01	1350.5	1361.9	1152.9	1241.4
2025-03-01	1319.1	1327.7	1152.9	1241.4
2025-02-01	1293.9	1297.9	1151.8	1241.4
2025-01-01	1293.9	1297.9	1120.8	1241.4
2024-12-01	1293.9	1297.9	1120.8	1241.4
2024-11-01	1293.9	1297.9	1120.8	1241.4
2024-10-01	1281.3	1297.9	1129.4	1241.4
2024-09-01	1201	1200	1129.4	1241.4
2024-11-01	1201	1200	1129.4	1241.4
2024-07-01	1181.4	1200	1129.4	1200
2024-06-01	1198.7	1200	1181.6	1200
2024-05-01	1198.7	1200	1181.6	1200
2024-04-01	1198.7	1200	1181.6	1200
2024-03-01	1198.7	1200	1181.6	1200
2024-02-01	1198.7	1200	1181.6	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	Gauteng Inter-Region at Emerald Resort 2025 (U16+18 Candidates)	2025-12-06	2025-12-07	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
2	JCC St Davids Marist Schools League 2025 (A)	2025-09-08	2025-10-27	Standard	Johannesburg Metro (GJM)	6	5	3.5	Yes	Analysis
3	2025 Gauteng Top Schools Teams (U15)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	0	0	No	Analysis
4	Chess Molecules Rapid 2025 (A)	2025-09-20	2025-09-20	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	2025 Gauteng Schools Provincial Individual Chess Championship (U15 Boys)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
6	Ekurhuleni Trials 2025 (D)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
7	Chess Molecules Open Tournament 2025 (A)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
8	Ekurhuleni Chess Open 2025 (C)	2025-03-15	2025-03-15	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
9	CPH Primrose Open 2025 (B)	2025-02-08	2025-02-08	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
10	Gauteng Top Schools 2024 (U15 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis
11	2024 South Africa National Schools Chess Championship (U15 Boys)	2024-09-27	2024-09-28	Standard	Nelson Mandela Bay (ENM)	7	6	2	Yes	Analysis
12	JCC Khelo India 1st Annual Chess Tournament 2024 (C)	2024-08-31	2024-08-31	Standard	Johannesburg Metro (GJM)	5	0	0	No	Analysis
13	Gauteng Schools Individuals Finals 2024 (U15 Boys)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis
14	Helpmekaar Kollege Blitz Chess Invitational 2024 (A)	2024-07-27	2024-07-27	Blitz	Johannesburg Metro (GJM)	9	9	6	Yes	Analysis
15	Chess Molecules Open Chess Tournament 2024 (High School Open)	2024-06-15	2024-06-15	Rapid	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
16	Chess Molecules Rapid 2023 (High School Open)	2023-09-23	2023-09-23	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-07-27	rnd 8	type Blitz	result 1	date 2024-08-17	rnd 5	type Standard	result 1
		Opponent Roetz, K (Kyle)				Opponent Badenhorst, JJ (Junaid Jaydon)
2	4	Tournament Chess Molecules Open Tournament 2025				Tournament Ekurhuleni Trials 2025
		date 2025-04-19	rnd 4	type Rapid	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Ngubane, S (Sbusiso)				Opponent Sedibe, T (Thato)
3	3	Tournament Ekurhuleni Chess Open 2025				Tournament Ekurhuleni Chess Open 2025
		date 2025-03-15	rnd 3	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 0.5
		Opponent Dankaert, A (Alexis)				Opponent Kusi, P (Prince Kwame)

#	Games	Start				End
1	5	Tournament Ekurhuleni Chess Open 2025				Tournament Ekurhuleni Trials 2025
		date 2025-03-15	rnd 3	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Dankaert, A (Alexis)				Opponent Sedibe, T (Thato)
2	4	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-17	rnd 2	type Standard	result 0.5	date 2024-08-17	rnd 5	type Standard	result 1
		Opponent Webb, K (Kagan)				Opponent Badenhorst, JJ (Junaid Jaydon)
3	3	Tournament CPH Primrose Open 2025				Tournament CPH Primrose Open 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-08	rnd 4	type Standard	result 1
		Opponent Karuppan, Z (Zebada)				Opponent Williams, MB (Mohau Benton)

#	Games	Start				End
1	2	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 4	type Rapid	result 1	date 2025-04-19	rnd 5	type Rapid	result 1
		Opponent Ngubane, S (Sbusiso)				Opponent Nolan, C (Christopher)
2	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 2	type Rapid	result 1	date 2024-10-05	rnd 3	type Rapid	result 1
		Opponent Tshabalala, K (Kagiso)				Opponent Sibeko, M (Mpiloyami)
3	1	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 2	type Rapid	result 1	date 2025-04-19	rnd 2	type Rapid	result 1
		Opponent Ngubane, S (Sphelele)				Opponent Ngubane, S (Sphelele)

#	Games	Start				End
1	3	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 1	type Blitz	result 1	date 2024-07-27	rnd 3	type Blitz	result 1
		Opponent Bopape, T (Tumelo Thomas)				Opponent Botha, A (Andrea)
2	2	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 8	type Blitz	result 1	date 2024-07-27	rnd 9	type Blitz	result 1
		Opponent Roetz, K (Kyle)				Opponent Van Zyl, E (Ethan)
3	1	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 5	type Blitz	result 1	date 2024-07-27	rnd 5	type Blitz	result 1
		Opponent Govender, D (Diveshan)				Opponent Govender, D (Diveshan)

#	Games	Start				End
1	3	Tournament CPH Primrose Open 2025				Tournament CPH Primrose Open 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-08	rnd 4	type Standard	result 1
		Opponent Karuppan, Z (Zebada)				Opponent Williams, MB (Mohau Benton)
2	3	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 1	type Blitz	result 1	date 2024-07-27	rnd 3	type Blitz	result 1
		Opponent Bopape, T (Tumelo Thomas)				Opponent Botha, A (Andrea)
3	2	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 4	type Rapid	result 1	date 2025-04-19	rnd 5	type Rapid	result 1
		Opponent Ngubane, S (Sbusiso)				Opponent Nolan, C (Christopher)

#	Games	Start				End
1	3	Tournament CPH Primrose Open 2025				Tournament CPH Primrose Open 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-08	rnd 4	type Standard	result 1
		Opponent Karuppan, Z (Zebada)				Opponent Williams, MB (Mohau Benton)
2	2	Tournament Ekurhuleni Chess Open 2025				Tournament Ekurhuleni Chess Open 2025
		date 2025-03-15	rnd 3	type Standard	result 1	date 2025-03-15	rnd 4	type Standard	result 1
		Opponent Dankaert, A (Alexis)				Opponent Liebenberg, M (Michael)
3	2	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-17	rnd 4	type Standard	result 1	date 2024-08-17	rnd 5	type Standard	result 1
		Opponent Barker, R (Ryan)				Opponent Badenhorst, JJ (Junaid Jaydon)

#	Games	Start				End
1	2	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 4	type Rapid	result 1	date 2025-04-19	rnd 5	type Rapid	result 1
		Opponent Ngubane, S (Sbusiso)				Opponent Nolan, C (Christopher)
2	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 2	type Rapid	result 1	date 2024-10-05	rnd 3	type Rapid	result 1
		Opponent Tshabalala, K (Kagiso)				Opponent Sibeko, M (Mpiloyami)
3	1	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 2	type Rapid	result 1	date 2025-04-19	rnd 2	type Rapid	result 1
		Opponent Ngubane, S (Sphelele)				Opponent Ngubane, S (Sphelele)

#	Games	Start				End
1	3	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 1	type Blitz	result 1	date 2024-07-27	rnd 3	type Blitz	result 1
		Opponent Bopape, T (Tumelo Thomas)				Opponent Botha, A (Andrea)
2	2	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 8	type Blitz	result 1	date 2024-07-27	rnd 9	type Blitz	result 1
		Opponent Roetz, K (Kyle)				Opponent Van Zyl, E (Ethan)
3	1	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 5	type Blitz	result 1	date 2024-07-27	rnd 5	type Blitz	result 1
		Opponent Govender, D (Diveshan)				Opponent Govender, D (Diveshan)

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	Yaregal ,A (Aaron)	3	1	-141.7	1	0	-425	2	1	0	0	0	0
1	Yaregal ,A (Aaron)	3	1201.7	1060	1	1250.1	776.7	2	1173	1201.7	0	0	0
2	Mvabaza ,B (Bayethe)	3	0	-425	0	0	0	3	0	-425	0	0	0
2	Mvabaza ,B (Bayethe)	3	1414.3	989.3	0	0	0	3	1244.1	989.3	0	0	0
3	Mthethwa ,B (Bahle)	2	2	425	2	2	425	0	0	0	0	0	0
3	Mthethwa ,B (Bahle)	2	1178.9	1603.9	2	1164.3	1603.9	0	0	0	0	0	0
4	Sedibe ,T (Thato)	1	1	425	1	1	425	0	0	0	0	0	0
4	Sedibe ,T (Thato)	1	1462.3	1887.3	1	1494	1887.3	0	0	0	0	0	0
5	Naidoo ,K (Kajol)	1	1	425	1	1	425	0	0	0	0	0	0
5	Naidoo ,K (Kajol)	1	1742.1	2167.1	1	1742.6	2167.1	0	0	0	0	0	0
6	Egeonu ,C (Chizitere)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Egeonu ,C (Chizitere)	1	1569.8	1144.8	1	1580.3	1144.8	0	0	0	0	0	0
7	Lobeni ,T (Tshidiso)	1	1	425	1	1	425	0	0	0	0	0	0
7	Lobeni ,T (Tshidiso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Mogoba ,B (Bonolo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mogoba ,B (Bonolo)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Kusi ,P (Prince Kwame)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Kusi ,P (Prince Kwame)	1	1380.6	1380.6	1	1360	1380.6	0	0	0	0	0	0
10	Pagenkopf ,C (Christian)	1	1	425	1	1	425	0	0	0	0	0	0
10	Pagenkopf ,C (Christian)	1	1495.8	1920.8	1	1510	1920.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Onatu, G (George)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms