Chess South Africa Ratings Database

PLAYER PAGE

Personal

Chadoka, A (Angela)

Chess SA id

2110160868

FIDE id

Date of birth

2011-10-19 (U16)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1002.1

Item	Main	Standard	Rapid	Blitz
Rating	1186.3	1206.8	1168.3	1200
Raw rating	1148.6	1156.2	1168.3	1200
Weighted rating	1186.3	1206.8	1166.8	1200
Weighted performance	918.7	0	0	0
Floor	716.7	725.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	178.4	176.5	173.5	165.8
Highest rating	1312.2 2023-08-01	1314 2023-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1216.7 2023-09-01	1225.9 2024-10-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1216.7 2023-11-01	1225.9 2024-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1312.2 2023-08-01	1314 2023-08-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3.2	-4.4	0	0
New rating	1183.1	1202.4	1168.3	1200
Analysis
Rating	1186.3	1206.8	1168.3	1200
Raw rating	1148.6	1156.2	1168.3	1200
Weighted rating	1186.3	1206.8	1166.8
Weighted performance	918.7	0	0
K-factor	36	36	36	36
Floor	716.7	725.9	700	700
Max/Min rating change allowed	178.4	176.5	173.5	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	1148.6	1156.2	1168.3	1200
New weighted rating	1183.1	1202.4	1167	1200
New weighted performance	912.5	0	0	0
Temp new rating	1183.1	1202.4	1168.3	1200
Temp new rating +/-	-3.2	-4.4	0	0
Final new rating +/-	-3.2	-4.4	0	0
New rating	1183.1	1202.4	1168.3	1200
New K-factor	36	36	36	36
New floor	716.7	725.9	700	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	10	10	0
	9	5	4
	0	0	0
	0	0	0
History	24	20	4

Games since
	Main 19	Standard 15		Rapid 4		Blitz 0
Gender	Female
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	5	0	0	-425	1369.8	944.8
Standard	5	0	0	-425	1369.8	944.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	24	7	29.17	-177.1	1286.8	1109.7
Standard	20	6	30	-170	1304.2	1134.2
Rapid	4	1	25	-212.5	1200	987.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1148.6	1156.2	1168.3	1200
2025-09-30	1191.1	1212.3	1168.3	1200
2025-09-01	1191.1	1212.3	1168.3	1200
2025-08-01	1191.1	1212.3	1168.3	1200
2025-07-01	1191.1	1212.3	1168.3	1200
2025-06-01	1191.1	1212.3	1168.3	1200
2025-05-01	1191.1	1212.3	1168.3	1200
2025-04-01	1191.1	1212.3	1168.3	1200
2025-03-01	1191.1	1212.3	1168.3	1200
2025-02-01	1190.2	1210.6	1168.3	1200
2025-01-01	1174.6	1188.5	1164	1200
2024-12-01	1174.6	1188.5	1164	1200
2024-11-01	1174.6	1188.5	1164	1200
2024-10-01	1201.2	1225.9	1164	1200
2024-09-01	1193.4	1221.2	1164	1200
2024-08-01	1193.4	1221.2	1164	1200
2024-07-01	1193.4	1221.2	1164	1200
2024-09-01	1193.4	1221.2	1164	1200
2024-05-01	1193.4	1221.2	1164	1200
2024-04-01	1193.4	1221.2	1164	1200
2024-03-01	1193.4	1221.2	1164	1200
2024-02-01	1193.4	1221.2	1164	1200
2024-01-01	1193.4	1221.2	1164	1200
2023-12-01	1193.4	1221.2	1164	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	2025 Gauteng Top Schools Teams (U19 Girls)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U19 Girls)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
2	Gauteng Top Schools 2024 (U13 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
3	Gauteng Schools Individuals Finals 2024 (U13 Girls)	2024-08-16	2024-08-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
4	Lawley Chess Tournament 2023 (B)	2023-11-25	2023-11-25	Rapid	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
5	2023 Gauteng Top Schools (U13 Girls)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-16	rnd 4	type Standard	result 1	date 2024-08-16	rnd 5	type Standard	result 1
		Opponent Sibiya, O (Olwethu)				Opponent Nkosi, S (Sibahlesonke)
2	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 4	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Uwakata, SK (Samantha)				Opponent Phakula, N (Nyeleti)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 4	type Standard	result 1	date 2024-10-04	rnd 4	type Standard	result 1
		Opponent Goodburn, D (Daniel)				Opponent Goodburn, D (Daniel)

#	Games	Start				End
1	2	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-16	rnd 4	type Standard	result 1	date 2024-08-16	rnd 5	type Standard	result 1
		Opponent Sibiya, O (Olwethu)				Opponent Nkosi, S (Sibahlesonke)
2	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 4	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Uwakata, SK (Samantha)				Opponent Phakula, N (Nyeleti)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 4	type Standard	result 1	date 2024-10-04	rnd 4	type Standard	result 1
		Opponent Goodburn, D (Daniel)				Opponent Goodburn, D (Daniel)

#	Games	Start				End
1	1	Tournament Lawley Chess Tournament 2023				Tournament Lawley Chess Tournament 2023
		date 2023-11-25	rnd 5	type Rapid	result 1	date 2023-11-25	rnd 5	type Rapid	result 1
		Opponent Ndlovu, K (Katleho)				Opponent Ndlovu, K (Katleho)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-16	rnd 4	type Standard	result 1	date 2024-08-16	rnd 5	type Standard	result 1
		Opponent Sibiya, O (Olwethu)				Opponent Nkosi, S (Sibahlesonke)
2	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 4	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Uwakata, SK (Samantha)				Opponent Phakula, N (Nyeleti)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 4	type Standard	result 1	date 2024-10-04	rnd 4	type Standard	result 1
		Opponent Goodburn, D (Daniel)				Opponent Goodburn, D (Daniel)

#	Games	Start				End
1	2	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-16	rnd 4	type Standard	result 1	date 2024-08-16	rnd 5	type Standard	result 1
		Opponent Sibiya, O (Olwethu)				Opponent Nkosi, S (Sibahlesonke)
2	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 4	type Standard	result 1	date 2023-08-18	rnd 5	type Standard	result 1
		Opponent Uwakata, SK (Samantha)				Opponent Phakula, N (Nyeleti)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 4	type Standard	result 1	date 2024-10-04	rnd 4	type Standard	result 1
		Opponent Goodburn, D (Daniel)				Opponent Goodburn, D (Daniel)

#	Games	Start				End
1	1	Tournament Lawley Chess Tournament 2023				Tournament Lawley Chess Tournament 2023
		date 2023-11-25	rnd 5	type Rapid	result 1	date 2023-11-25	rnd 5	type Rapid	result 1
		Opponent Ndlovu, K (Katleho)				Opponent Ndlovu, K (Katleho)

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	Phakula ,N (Nyeleti)	1	1	425	1	1	425	0	0	0	0	0	0
1	Phakula ,N (Nyeleti)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Ziervogel ,K (Keira)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Ziervogel ,K (Keira)	1	1451.2	1026.2	1	1444	1026.2	0	0	0	0	0	0
3	Sibiya ,O (Olwethu)	1	1	425	1	1	425	0	0	0	0	0	0
3	Sibiya ,O (Olwethu)	1	1268.6	1693.6	1	1280.9	1693.6	0	0	0	0	0	0
4	Janse Van Rensburg ,N (Nicolas)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Janse Van Rensburg ,N (Nicolas)	1	1352.2	927.2	1	1339.3	927.2	0	0	0	0	0	0
5	Mngomezulu ,ZN (Zanokuhle Nokulunga)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mngomezulu ,ZN (Zanokuhle Nokulunga)	1	1247.8	822.8	1	1261.2	822.8	0	0	0	0	0	0
6	Maloyi ,N (Ngelosi)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Maloyi ,N (Ngelosi)	1	1451.4	1026.4	1	1452	1026.4	0	0	0	0	0	0
7	De Jager ,G (Gideon)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	De Jager ,G (Gideon)	1	1408.8	983.8	1	1418.9	983.8	0	0	0	0	0	0
8	Uwakata ,SK (Samantha Kevwe)	1	1	425	1	1	425	0	0	0	0	0	0
8	Uwakata ,SK (Samantha Kevwe)	1	1262.1	1687.1	1	1263.1	1687.1	0	0	0	0	0	0
9	Mpana ,P (Paledi)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mpana ,P (Paledi)	1	1512.4	1087.4	1	1517.6	1087.4	0	0	0	0	0	0
10	Siyanda ,S (Sibulawa)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Siyanda ,S (Sibulawa)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Chadoka, A (Angela)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms