Chess South Africa Ratings Database

PLAYER PAGE

Personal

Petersen, AR (Anito Roderick)

Chess SA id

184029758

FIDE id

Date of birth

1984-06-16 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1315.1	1315.3	1368.5	1424.5
Raw rating	1315.1	1315.3	1368.3	1424.5
Weighted rating	1313.4	1314	1368.5	1424.5
Weighted performance	0	0	0	0
Floor	924.5	924.5	924.5	924.5
K-factor	32	32	32	32
Min/Max rating change allowed	140.7	140.7	130.5	120.4
Highest rating	1424.5 2018-09-01	1424.5 2018-09-01	1424.5 2018-09-01	1424.5 2018-09-01
Highest raw rating	1424.5 2018-02-01	1424.5 2018-02-01	1424.5 2018-02-01	1424.5 2024-02-01
Highest weighted rating	1424.5 2018-09-01	1424.5 2018-09-01	1424.5 2018-09-01	1424.5 2018-09-01
Highest weighted performance	1211.1 2018-09-01	1204.3 2018-09-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0.1	0
New rating	1315.1	1315.3	1368.6	1424.5
Analysis
Rating	1315.1	1315.3	1368.5	1424.5
Raw rating	1315.1	1315.3	1368.3	1424.5
Weighted rating	1313.4	1314	1368.5
Weighted performance	0	0	0
K-factor	32	32	32	32
Floor	924.5	924.5	924.5	924.5
Max/Min rating change allowed	140.7	140.7	130.5	120.4
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	1315.1	1315.3	1368.3	1424.5
New weighted rating	1313.6	1314	1368.6	1424.5
New weighted performance	0	0	0	0
Temp new rating	1315.1	1315.3	1368.6	1424.5
Temp new rating +/-	0	0	0.1	0
Final new rating +/-	0	0	0.1	0
New rating	1315.1	1315.3	1368.6	1424.5
New K-factor	32	32	32	32
New floor	924.5	924.5	924.5	924.5

Item	Main	Standard	Rapid
	0	0	0
	7	0	7
	8	3	5
	3	3	0
	6	6	0
	0	0	0
History	108	85	23

Games since
	Main 15	Standard 3		Rapid 12		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	7	3	42.86	-60.7	1350.4	1289.7
Standard	0	0	0	0	0	0
Rapid	7	3	42.86	-60.7	1350.4	1289.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	37	16.5	44.59	-45.9	1296.1	1250.2
Standard	20	9	45	-42.5	1253.1	1210.6
Rapid	17	7.5	44.12	-50	1346.8	1296.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1315.1	1315.3	1368.3	1424.5
2025-09-01	1315.1	1315.3	1368.3	1424.5
2025-08-01	1315.1	1315.3	1368.3	1424.5
2025-07-01	1315.1	1315.3	1368.1	1424.5
2025-06-01	1315.1	1315.3	1367.8	1424.5
2025-05-01	1315.1	1315.3	1365.5	1424.5
2025-04-01	1320.2	1315.3	1375.2	1424.5
2025-03-01	1320.2	1315.3	1375.2	1424.5
2025-02-01	1320.2	1315	1375.2	1424.5
2025-01-01	1320.2	1308.4	1375.2	1424.5
2024-12-01	1320.2	1308.4	1375.2	1424.5
2024-11-01	1300.5	1308.4	1363.7	1424.5
2024-10-01	1300.5	1308.4	1363.7	1424.5
2024-09-01	1300.5	1308.4	1363.7	1424.5
2024-08-01	1300.5	1308.4	1363.7	1424.5
2024-07-01	1300.5	1308.4	1363.7	1424.5
2024-06-01	1300.5	1308.4	1363.7	1424.5
2024-08-01	1315	1325	1363.7	1424.5
2024-04-01	1315	1325	1363.7	1424.5
2024-03-01	1315	1325	1363.7	1424.5
2024-02-01	1315	1325	1363.7	1424.5
2024-01-01	1315	1325	1363.7	1424.5
2023-12-01	1315	1325	1363.7	1424.5
2023-11-01	1315	1325	1363.7	1424.5

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	Hermanus Chess Club Open 2025 (Intermediate)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Hermanus Chess Club Open 2025 (Intermediate)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	3	Yes	Analysis
2	Elsies River Inter Club Championship 2024 (B)	2024-11-23	2024-11-23	Rapid	Cape Town (WCT)	5	5	3.5	Yes	Analysis
3	Elsies River Chess Club Championship 2024	2024-05-25	2024-05-26	Standard	Cape Town (WCT)	5	3	1.5	Yes	Analysis
4	Cape of Good Hope Open 2023 (Intermediate)	2023-01-28	2023-01-29	Standard	Cape Town (WCT)	6	3	1.5	Yes	Analysis
5	Western Cape Club Championship 2022 (Tier 2)	2022-10-07	2022-10-09	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
6	2019 Elsies River Open (Prestige)	2019-06-22	2019-06-23	Standard	Cape Town (WCT)	6	2	0	Yes	Analysis
7	Nelson Mandela Rapid 2019 (Open)	2019-03-02	2019-03-02	Rapid	Cape Town (WCT)	5	5	1	Yes	Analysis
8	2018 Western Province League (B)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	2	0.5	Yes	Analysis
9	2018 Western Province League (D)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	4	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Elsies River Inter Club Championship 2024				Tournament Hermanus Chess Club Open 2025
		date 2024-11-23	rnd 3	type Rapid	result 1	date 2025-04-12	rnd 1	type Rapid	result 0.5
		Opponent Maart, C (Craig)				Opponent Kiessling, K (Kai)
2	4	Tournament Western Cape Club Championship 2022				Tournament Cape of Good Hope Open 2023
		date 2022-10-08	rnd 4	type Standard	result 1	date 2023-01-28	rnd 1	type Standard	result 1
		Opponent Allie, I (Ishmaeel)				Opponent Matulizo, D (Daniel)
3	3	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-08-18	rnd 5	type Standard	result 1	date 2018-09-01	rnd 7	type Standard	result 0.5
		Opponent Maart, G (Gavin)				Opponent Thevan, L (Lucian)

#	Games	Start				End
1	4	Tournament Western Cape Club Championship 2022				Tournament Cape of Good Hope Open 2023
		date 2022-10-08	rnd 4	type Standard	result 1	date 2023-01-28	rnd 1	type Standard	result 1
		Opponent Allie, I (Ishmaeel)				Opponent Matulizo, D (Daniel)
2	3	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-08-18	rnd 5	type Standard	result 1	date 2018-09-01	rnd 7	type Standard	result 0.5
		Opponent Maart, G (Gavin)				Opponent Thevan, L (Lucian)
3	2	Tournament Cape of Good Hope Open 2023				Tournament Elsies River Chess Club Championship 2024
		date 2023-01-28	rnd 3	type Standard	result 0.5	date 2024-05-26	rnd 3	type Standard	result 1
		Opponent Parbhoo, R (Ritesh)				Opponent Fielies, K (Kyle)

#	Games	Start				End
1	4	Tournament Elsies River Inter Club Championship 2024				Tournament Hermanus Chess Club Open 2025
		date 2024-11-23	rnd 3	type Rapid	result 1	date 2025-04-12	rnd 1	type Rapid	result 0.5
		Opponent Maart, C (Craig)				Opponent Kiessling, K (Kai)
2	1	Tournament Hermanus Chess Club Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-04-12	rnd 7	type Rapid	result 0.5	date 2025-04-12	rnd 7	type Rapid	result 0.5
		Opponent Herder, J (Jovanne)				Opponent Herder, J (Jovanne)
3	1	Tournament Hermanus Chess Club Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-04-12	rnd 5	type Rapid	result 1	date 2025-04-12	rnd 5	type Rapid	result 1
		Opponent King, W (Wesley)				Opponent King, W (Wesley)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Elsies River Inter Club Championship 2024				Tournament Elsies River Inter Club Championship 2024
		date 2024-11-23	rnd 3	type Rapid	result 1	date 2024-11-23	rnd 5	type Rapid	result 1
		Opponent Maart, C (Craig)				Opponent Maneveld, C (Conrad)
2	2	Tournament Western Cape Club Championship 2022				Tournament Cape of Good Hope Open 2023
		date 2022-10-09	rnd 6	type Standard	result 1	date 2023-01-28	rnd 1	type Standard	result 1
		Opponent Mintoor, D (Donvito)				Opponent Matulizo, D (Daniel)
3	1	Tournament Hermanus Chess Club Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-04-12	rnd 5	type Rapid	result 1	date 2025-04-12	rnd 5	type Rapid	result 1
		Opponent King, W (Wesley)				Opponent King, W (Wesley)

#	Games	Start				End
1	2	Tournament Western Cape Club Championship 2022				Tournament Cape of Good Hope Open 2023
		date 2022-10-09	rnd 6	type Standard	result 1	date 2023-01-28	rnd 1	type Standard	result 1
		Opponent Mintoor, D (Donvito)				Opponent Matulizo, D (Daniel)
2	1	Tournament Elsies River Chess Club Championship 2024				Tournament Elsies River Chess Club Championship 2024
		date 2024-05-26	rnd 3	type Standard	result 1	date 2024-05-26	rnd 3	type Standard	result 1
		Opponent Fielies, K (Kyle)				Opponent Fielies, K (Kyle)
3	1	Tournament Western Cape Club Championship 2022				Tournament Western Cape Club Championship 2022
		date 2022-10-08	rnd 4	type Standard	result 1	date 2022-10-08	rnd 4	type Standard	result 1
		Opponent Allie, I (Ishmaeel)				Opponent Allie, I (Ishmaeel)

#	Games	Start				End
1	3	Tournament Elsies River Inter Club Championship 2024				Tournament Elsies River Inter Club Championship 2024
		date 2024-11-23	rnd 3	type Rapid	result 1	date 2024-11-23	rnd 5	type Rapid	result 1
		Opponent Maart, C (Craig)				Opponent Maneveld, C (Conrad)
2	1	Tournament Hermanus Chess Club Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-04-12	rnd 5	type Rapid	result 1	date 2025-04-12	rnd 5	type Rapid	result 1
		Opponent King, W (Wesley)				Opponent King, W (Wesley)
3	1	Tournament Hermanus Chess Club Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-04-12	rnd 3	type Rapid	result 1	date 2025-04-12	rnd 3	type Rapid	result 1
		Opponent Kotliar, B (Beatrisa)				Opponent Kotliar, B (Beatrisa)

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	Maneveld ,C (Conrad)	3	1	-141.7	1	0	-425	2	1	0	0	0	0
1	Maneveld ,C (Conrad)	3	1419.2	1277.5	1	1499.8	994.2	2	1217.9	1419.2	0	0	0
2	Fielies ,K (Kyle)	2	2	425	1	1	425	1	1	425	0	0	0
2	Fielies ,K (Kyle)	2	1186.7	1611.7	1	1200	1611.7	1	1200	1611.7	0	0	0
3	Petersen ,KC (Krystle Chantil)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Petersen ,KC (Krystle Chantil)	1	1144.7	1144.7	1	1164.2	1144.7	0	0	0	0	0	0
4	Mintoor ,D (Donvito)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mintoor ,D (Donvito)	1	962.6	1387.6	1	980.4	1387.6	0	0	0	0	0	0
5	Muir ,J (Joshua)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Muir ,J (Joshua)	1	773.4	348.4	1	756.4	348.4	0	0	0	0	0	0
6	Allie ,I (Ishmaeel)	1	1	425	1	1	425	0	0	0	0	0	0
6	Allie ,I (Ishmaeel)	1	1355	1780	1	1317.9	1780	0	0	0	0	0	0
7	Maart ,G (Gavin)	1	1	425	1	1	425	0	0	0	0	0	0
7	Maart ,G (Gavin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Gwanzura ,K (Kevin)	1	1	425	1	1	425	0	0	0	0	0	0
8	Gwanzura ,K (Kevin)	1	1210.8	1635.8	1	1206	1635.8	0	0	0	0	0	0
9	Saunders ,M (Matthew)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Saunders ,M (Matthew)	1	1391.6	1391.6	1	1398	1391.6	0	0	0	0	0	0
10	Matzdorff ,T (Terence)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Matzdorff ,T (Terence)	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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Personal

Petersen, AR (Anito Roderick)

Ratings

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Historical performance

Last 24 raw ratings

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Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms