Chess South Africa Ratings Database

PLAYER PAGE

Personal

Petersen, A (Aneeka)

Chess SA id

1120159031

FIDE id

Date of birth

2012-09-23 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1172.2	1198.5	1157.2	1200
Raw rating	1170.2	1190.2	1157.2	1200
Weighted rating	1172.2	1198.5	1156.6	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	173	168.1	176.2	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2024-03-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2024-03-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.2	-0.7	0	0
New rating	1172.1	1197.7	1157.2	1200
Analysis
Rating	1172.2	1198.5	1157.2	1200
Raw rating	1170.2	1190.2	1157.2	1200
Weighted rating	1172.2	1198.5	1156.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	173	168.1	176.2	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	1170.2	1190.2	1157.2	1200
New weighted rating	1172.1	1197.7	1156.7	1200
New weighted performance	0	0	0	0
Temp new rating	1172.1	1197.7	1157.2	1200
Temp new rating +/-	-0.2	-0.7	0	0
Final new rating +/-	-0.2	-0.7	0	0
New rating	1172.1	1197.7	1157.2	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	4	4	0
	0	0	0
	8	0	8
	0	0	0
	0	0	0
History	12	4	8

Games since
	Main 4	Standard 4		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	4	1	25	-212.5	1425.8	1213.3
Standard	4	1	25	-212.5	1425.8	1213.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	12	3	25	-212.5	1325.3	1112.8
Standard	4	1	25	-212.5	1425.8	1213.3
Rapid	8	2	25	-212.5	1275.1	1062.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1170.2	1190.2	1157.2	1200
2025-09-01	1170.2	1190.2	1157.2	1200
2025-08-01	1173	1200	1157.2	1200
2025-07-01	1173	1200	1157.2	1200
2025-06-01	1173	1200	1157.2	1200
2025-05-01	1173	1200	1157.2	1200
2025-04-01	1173	1200	1157.2	1200
2025-03-01	1173	1200	1157.2	1200
2025-02-01	1173	1200	1157.2	1200
2025-01-01	1172.1	1200	1155.7	1200
2024-12-01	1172.1	1200	1155.7	1200
2024-11-01	1172.1	1200	1155.7	1200
2024-10-01	1172.1	1200	1155.7	1200
2024-09-01	1172.1	1200	1155.7	1200
2024-08-01	1172.1	1200	1155.7	1200
2024-07-01	1172.1	1200	1155.7	1200
2024-06-01	1172.1	1200	1155.7	1200
2024-08-01	1172.1	1200	1155.7	1200
2024-04-01	1172.1	1200	1155.7	1200
2024-03-01	1172.1	1200	1155.7	1200
2024-02-01	1172.1	1200	1155.7	1200
2024-01-01	1172.1	1200	1155.7	1200
2023-12-01	1172.1	1200	1155.7	1200
2023-11-01	1172.1	1200	1155.7	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	Cape Town Metro North Top Schools 2025 (U13)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Metro North Top Schools 2025 (U13)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	4	1	Yes	Analysis
2	CT Metro District North Top Schools Chess 2023 (U13 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	5	4	1	Yes	Analysis
3	CT Metro District North Top Schools Chess 2023 (U11 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	5	4	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Solomon, N (Noa)				Opponent Solomon, N (Noa)
2	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Dennis, N (Nathier)				Opponent Dennis, N (Nathier)
3	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 2	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Haas, G (George)				Opponent Haas, G (George)

#	Games	Start				End
1	1	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Solomon, N (Noa)				Opponent Solomon, N (Noa)

#	Games	Start				End
1	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Dennis, N (Nathier)				Opponent Dennis, N (Nathier)
2	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 2	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Haas, G (George)				Opponent Haas, G (George)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Solomon, N (Noa)				Opponent Solomon, N (Noa)
2	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Dennis, N (Nathier)				Opponent Dennis, N (Nathier)
3	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 2	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Haas, G (George)				Opponent Haas, G (George)

#	Games	Start				End
1	1	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Solomon, N (Noa)				Opponent Solomon, N (Noa)

#	Games	Start				End
1	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Dennis, N (Nathier)				Opponent Dennis, N (Nathier)
2	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 2	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Haas, G (George)				Opponent Haas, G (George)

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	Solomon ,N (Noa)	1	1	425	1	1	425	0	0	0	0	0	0
1	Solomon ,N (Noa)	1	1201.4	1626.4	1	1186.6	1626.4	0	0	0	0	0	0
2	Manning ,C (Callan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Manning ,C (Callan)	1	1724.4	1299.4	1	1707.6	1299.4	0	0	0	0	0	0
3	Somai ,J (Jhash)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Somai ,J (Jhash)	1	1440.6	1015.6	1	1445.5	1015.6	0	0	0	0	0	0
4	He ,Z (Zonghan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	He ,Z (Zonghan)	1	1337	912	1	1274.8	912	0	0	0	0	0	0
5	Petersen ,Z (Zackery)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Petersen ,Z (Zackery)	1	1200	775	0	0	0	1	1200	775	0	0	0
6	Yang ,E (Elaine)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Yang ,E (Elaine)	1	1200	775	0	0	0	1	1200	775	0	0	0
7	Scholtz ,J (Joshwin)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Scholtz ,J (Joshwin)	1	1165.8	740.8	0	0	0	1	1200	740.8	0	0	0
8	Weideman ,J (Janko)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Weideman ,J (Janko)	1	1497.9	1072.9	0	0	0	1	1352.7	1072.9	0	0	0
9	Dennis ,N (Nathier)	1	1	425	0	0	0	1	1	425	0	0	0
9	Dennis ,N (Nathier)	1	1212.2	1637.2	0	0	0	1	1277.2	1637.2	0	0	0
10	Van Der Merwe ,S (Schalk Wolf)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Van Der Merwe ,S (Schalk Wolf)	1	1522	1097	0	0	0	1	1637.6	1097	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Petersen, A (Aneeka)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms