Chess South Africa Ratings Database

PLAYER PAGE

Personal

Onatu, G (George)

Chess SA id

1100162464

FIDE id

Date of birth

2010-04-21 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

20.4

Junior GPX Points

1305

Item	Main	Standard	Rapid	Blitz
Rating	1345.3	1344.5	1190.2	1241.4
Raw rating	1345.3	1344.5	1190.2	1241.4
Weighted rating	1302.8	1306.7	1164.6	1235.2
Weighted performance	1290.4	1298.4	0	0
Floor	859.2	861.9	700	741.4
K-factor	36	36	36	36
Min/Max rating change allowed	134.8	135	168.1	156.3
Highest rating	1359.2 2025-05-05	1361.9 2025-04-01	1200 2018-10-01	1322.9 2024-07-01
Highest raw rating	1359.2 2025-05-05	1361.9 2025-04-01	1200 2019-12-01	1241.4 2024-08-01
Highest weighted rating	1296.1 2025-09-01	1300.4 2025-09-01	1200 2018-10-01	1232.3 2025-08-01
Highest weighted performance	1359.2 2025-05-05	1312.3 2025-09-01	1200 2019-12-01	1322.9 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1345.3	1344.5	1190.2	1241.4
Analysis
Rating	1345.3	1344.5	1190.2	1241.4
Raw rating	1345.3	1344.5	1190.2	1241.4
Weighted rating	1302.8	1306.7	1164.6
Weighted performance	1290.4	1298.4	0
K-factor	36	36	36	36
Floor	859.2	861.9	700	741.4
Max/Min rating change allowed	134.8	135	168.1	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	1345.3	1344.5	1190.2	1241.4
New weighted rating	1309	1312.5	1166.7	1236.4
New weighted performance	1289.9	1298	0	0
Temp new rating	1345.3	1344.5	1190.2	1241.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1345.3	1344.5	1190.2	1241.4
New K-factor	36	36	36	36
New floor	859.2	861.9	700	741.4

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	20	15	5	0
	29	10	10	9
	5	0	5	0
	0	0	0	0
	0	0	0	0
History	54	25	20	9

Games since
	Main 49	Standard 25		Rapid 15		Blitz 9
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2714		921		274
Male	2190		744		228
U16	425		138		41
U16 Male	321		103		32
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
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	20	12	60	85	1323.3	1408.3
Standard	15	9	60	85	1322.9	1407.9
Rapid	5	3	60	85	1324.6	1409.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	54	28	51.85	15.7	1343.1	1358.8
Standard	25	14	56	51	1365.7	1416.7
Rapid	20	8	40	-85	1356.3	1271.3
Blitz	9	6	66.67	141.7	1250.9	1392.6

Date	Main	Standard	Rapid	Blitz
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
2024-08-01	1201	1200	1129.4	1241.4
2024-07-01	1181.4	1200	1129.4	1200
2024-06-01	1198.7	1200	1181.6	1200
2024-08-01	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
2024-01-01	1198.7	1200	1181.6	1200
2023-12-01	1198.7	1200	1181.6	1200
2023-11-01	1198.7	1200	1181.6	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	Ekurhuleni Trials 2025 (D)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
2	Chess Molecules Open Tournament 2025 (A)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	Ekurhuleni Chess Open 2025 (C)	2025-03-15	2025-03-15	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
4	CPH Primrose Open 2025 (B)	2025-02-08	2025-02-08	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni Trials 2025 (D)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
2	Chess Molecules Open Tournament 2025 (A)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	Ekurhuleni Chess Open 2025 (C)	2025-03-15	2025-03-15	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
4	CPH Primrose Open 2025 (B)	2025-02-08	2025-02-08	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	Gauteng Top Schools 2024 (U15 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis
6	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
7	JCC Khelo India 1st Annual Chess Tournament 2024 (C)	2024-08-31	2024-08-31	Standard	Johannesburg Metro (GJM)	5	0	0	No	Analysis
8	Gauteng Schools Individuals Finals 2024 (U15 Boys)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis
9	Helpmekaar Kollege Blitz Chess Invitational 2024 (A)	2024-07-27	2024-07-27	Blitz	Johannesburg Metro (GJM)	9	9	6	Yes	Analysis
10	Chess Molecules Open Chess Tournament 2024 (High School Open)	2024-06-15	2024-06-15	Rapid	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
11	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	Mthethwa ,B (Bahle)	2	2	425	2	2	425	0	0	0	0	0	0
2	Mthethwa ,B (Bahle)	2	1178.9	1603.9	2	1164.3	1603.9	0	0	0	0	0	0
3	Mvabaza ,B (Bayethe)	2	0	-425	0	0	0	2	0	-425	0	0	0
3	Mvabaza ,B (Bayethe)	2	1270.7	845.7	0	0	0	2	1227	845.7	0	0	0
4	Nkabinde ,L (Lwazi)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Nkabinde ,L (Lwazi)	1	1528.2	1103.2	1	1516.8	1103.2	0	0	0	0	0	0
5	Winterbach ,J (Jayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Winterbach ,J (Jayden)	1	1392.8	967.8	1	1391.8	967.8	0	0	0	0	0	0
6	Dzwimbane ,P (Phetolo)	1	1	425	1	1	425	0	0	0	0	0	0
6	Dzwimbane ,P (Phetolo)	1	1372.4	1797.4	1	1395.5	1797.4	0	0	0	0	0	0
7	Sedibe ,T (Thato)	1	1	425	1	1	425	0	0	0	0	0	0
7	Sedibe ,T (Thato)	1	1462.3	1887.3	1	1494	1887.3	0	0	0	0	0	0
8	Liebenberg ,M (Michael)	1	1	425	1	1	425	0	0	0	0	0	0
8	Liebenberg ,M (Michael)	1	1304.6	1729.6	1	1301.5	1729.6	0	0	0	0	0	0
9	Williams ,MB (Mohau Benton)	1	1	425	1	1	425	0	0	0	0	0	0
9	Williams ,MB (Mohau Benton)	1	1181	1606	1	1140.6	1606	0	0	0	0	0	0
10	Kammies ,M (Montell)	1	1	425	1	1	425	0	0	0	0	0	0
10	Kammies ,M (Montell)	1	1440.6	1865.6	1	1419.7	1865.6	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

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms