Chess South Africa Ratings Database

PLAYER PAGE

Personal

Underwood, A (Anja)

Chess SA id

2120155236

FIDE id

Date of birth

2012-02-22 (U14)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1225.4	1228.4	1200	1200
Raw rating	1225.4	1228.4	1200	1200
Weighted rating	1223.7	1226.4	1200	1200
Weighted performance	0	0	0	0
Floor	725.4	728.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	159.9	159.2	165.8	165.8
Highest rating	1310 2023-05-01	1301.9 2023-05-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1225.4 2024-10-01	1228.4 2024-10-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1222.6 2025-08-01	1225.1 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1310 2023-05-01	1301.9 2023-05-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1225.4	1228.4	1200	1200
Analysis
Rating	1225.4	1228.4	1200	1200
Raw rating	1225.4	1228.4	1200	1200
Weighted rating	1223.7	1226.4	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	725.4	728.4	700	700
Max/Min rating change allowed	159.9	159.2	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	1225.4	1228.4	1200	1200
New weighted rating	1224	1226.8	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1225.4	1228.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1225.4	1228.4	1200	1200
New K-factor	36	36	36	36
New floor	725.4	728.4	700	700

Item	Main	Standard
	0	0
	0	0
	5	5
	5	5
	0	0
	0	0
History	10	10

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	5	50	0	1287.9	1287.9
Standard	10	5	50	0	1287.9	1287.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1225.4	1228.4	1200	1200
2025-09-30	1225.4	1228.4	1200	1200
2025-09-01	1225.4	1228.4	1200	1200
2025-08-01	1225.4	1228.4	1200	1200
2025-07-01	1225.4	1228.4	1200	1200
2025-06-01	1225.4	1228.4	1200	1200
2025-05-01	1225.4	1228.4	1200	1200
2025-04-01	1225.4	1228.4	1200	1200
2025-03-01	1225.4	1228.4	1200	1200
2025-02-01	1225.4	1228.4	1200	1200
2025-01-01	1225.4	1228.4	1200	1200
2024-12-01	1225.4	1228.4	1200	1200
2024-11-01	1225.4	1228.4	1200	1200
2024-10-01	1225.4	1228.4	1200	1200
2024-09-01	1216.1	1217.6	1200	1200
2024-08-01	1216.1	1217.6	1200	1200
2024-07-01	1216.1	1217.6	1200	1200
2024-09-01	1216.1	1217.6	1200	1200
2024-05-01	1216.1	1217.6	1200	1200
2024-04-01	1216.1	1217.6	1200	1200
2024-03-01	1216.1	1217.6	1200	1200
2024-02-01	1216.1	1217.6	1200	1200
2024-01-01	1216.1	1217.6	1200	1200
2023-12-01	1216.1	1217.6	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	Gauteng Schools Individuals Finals 2024 (U13 Girls)	2024-08-16	2024-08-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Gauteng Schools Individual Finals 2023 (U11 Girls)	2023-05-26	2023-05-26	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Gauteng Schools Individual Finals 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-05-26	rnd 2	type Standard	result 1	date 2023-05-26	rnd 4	type Standard	result 1
		Opponent Chiwaka, D (Dineo)				Opponent Molefe, T (Tshegofatso)
2	1	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 4	type Standard	result 1
		Opponent Nkosi, S (Sibahlesonke)				Opponent Nkosi, S (Sibahlesonke)
3	1	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-16	rnd 2	type Standard	result 1	date 2024-08-16	rnd 2	type Standard	result 1
		Opponent Tinovimba, R (Rufu)				Opponent Tinovimba, R (Rufu)

#	Games	Start				End
1	3	Tournament Gauteng Schools Individual Finals 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-05-26	rnd 2	type Standard	result 1	date 2023-05-26	rnd 4	type Standard	result 1
		Opponent Chiwaka, D (Dineo)				Opponent Molefe, T (Tshegofatso)
2	1	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 4	type Standard	result 1
		Opponent Nkosi, S (Sibahlesonke)				Opponent Nkosi, S (Sibahlesonke)
3	1	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-16	rnd 2	type Standard	result 1	date 2024-08-16	rnd 2	type Standard	result 1
		Opponent Tinovimba, R (Rufu)				Opponent Tinovimba, R (Rufu)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Gauteng Schools Individual Finals 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-05-26	rnd 2	type Standard	result 1	date 2023-05-26	rnd 4	type Standard	result 1
		Opponent Chiwaka, D (Dineo)				Opponent Molefe, T (Tshegofatso)
2	1	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 4	type Standard	result 1
		Opponent Nkosi, S (Sibahlesonke)				Opponent Nkosi, S (Sibahlesonke)
3	1	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-16	rnd 2	type Standard	result 1	date 2024-08-16	rnd 2	type Standard	result 1
		Opponent Tinovimba, R (Rufu)				Opponent Tinovimba, R (Rufu)

#	Games	Start				End
1	3	Tournament Gauteng Schools Individual Finals 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-05-26	rnd 2	type Standard	result 1	date 2023-05-26	rnd 4	type Standard	result 1
		Opponent Chiwaka, D (Dineo)				Opponent Molefe, T (Tshegofatso)
2	1	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 4	type Standard	result 1
		Opponent Nkosi, S (Sibahlesonke)				Opponent Nkosi, S (Sibahlesonke)
3	1	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-16	rnd 2	type Standard	result 1	date 2024-08-16	rnd 2	type Standard	result 1
		Opponent Tinovimba, R (Rufu)				Opponent Tinovimba, R (Rufu)

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	Smyth ,K (Kiara)	1	1	425	1	1	425	0	0	0	0	0	0
1	Smyth ,K (Kiara)	1	1057.6	1482.6	1	1032.8	1482.6	0	0	0	0	0	0
2	Seobi ,S (Semakaleng)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Seobi ,S (Semakaleng)	1	1337.4	912.4	1	1327.6	912.4	0	0	0	0	0	0
3	Mabaso ,S (Sinenjabulo)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Mabaso ,S (Sinenjabulo)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Nkosi ,S (Sibahlesonke)	1	1	425	1	1	425	0	0	0	0	0	0
4	Nkosi ,S (Sibahlesonke)	1	1482	1907	1	1481.6	1907	0	0	0	0	0	0
5	Chiwaka ,D (Dineo)	1	1	425	1	1	425	0	0	0	0	0	0
5	Chiwaka ,D (Dineo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Botha ,CA (Cathri Amari)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Botha ,CA (Cathri Amari)	1	1477.6	1052.6	1	1467.9	1052.6	0	0	0	0	0	0
7	Molefe ,T (Tshegofatso)	1	1	425	1	1	425	0	0	0	0	0	0
7	Molefe ,T (Tshegofatso)	1	1283.9	1708.9	1	1275.4	1708.9	0	0	0	0	0	0
8	Dankaert ,A (Alexis)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Dankaert ,A (Alexis)	1	1312.7	887.7	1	1328.5	887.7	0	0	0	0	0	0
9	Tinovimba ,R (Rufu)	1	1	425	1	1	425	0	0	0	0	0	0
9	Tinovimba ,R (Rufu)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Padayachy ,V (Vidya)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Padayachy ,V (Vidya)	1	1328	903	1	1320.9	903	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

Underwood, A (Anja)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms