Chess South Africa Ratings Database

PLAYER PAGE

Personal

Osterwyk, A (Anrico)

Chess SA id

1010096985

FIDE id

Date of birth

2001-03-08 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-01-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1200.2	1200.3	1200	1200
Raw rating	1200.2	1200.3	1200	1200
Weighted rating	1200.2	1200.3	1200	1200
Weighted performance	0	0	0	0
Floor	702.3	702.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.8	165.7	165.8	165.8
Highest rating	1212.2 2018-02-01	1212.2 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1202.3 2018-03-01	1202.8 2018-03-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1202.3 2019-01-01	1202.8 2019-01-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1212.2 2018-02-01	1212.2 2018-02-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1200.2	1200.3	1200	1200
Analysis
Rating	1200.2	1200.3	1200	1200
Raw rating	1200.2	1200.3	1200	1200
Weighted rating	1200.2	1200.3	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	702.3	702.8	700	700
Max/Min rating change allowed	165.8	165.7	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	1200.2	1200.3	1200	1200
New weighted rating	1200.2	1200.3	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1200.2	1200.3	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1200.2	1200.3	1200	1200
New K-factor	36	36	36	36
New floor	702.3	702.8	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	12	12

Games since
	Main 0	Standard 0		Rapid 0		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	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	12	7	58.33	70.8	1122.4	1193.2
Standard	12	7	58.33	70.8	1122.4	1193.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1200.2	1200.3	1200	1200
2025-09-01	1200.2	1200.3	1200	1200
2025-08-01	1200.2	1200.3	1200	1200
2025-07-01	1200.2	1200.3	1200	1200
2025-06-01	1200.2	1200.3	1200	1200
2025-05-01	1200.2	1200.3	1200	1200
2025-04-01	1200.2	1200.3	1200	1200
2025-03-01	1200.2	1200.3	1200	1200
2025-02-01	1200.2	1200.3	1200	1200
2025-01-01	1200.2	1200.3	1200	1200
2024-12-01	1200.2	1200.3	1200	1200
2024-11-01	1200.2	1200.3	1200	1200
2024-10-01	1200.2	1200.3	1200	1200
2024-09-01	1200.2	1200.3	1200	1200
2024-08-01	1200.2	1200.3	1200	1200
2024-07-01	1200.2	1200.3	1200	1200
2024-06-01	1200.2	1200.3	1200	1200
2024-08-01	1200.2	1200.3	1200	1200
2024-04-01	1200.2	1200.3	1200	1200
2024-03-01	1200.2	1200.3	1200	1200
2024-02-01	1200.2	1200.3	1200	1200
2024-01-01	1200.2	1200.3	1200	1200
2023-12-01	1200.2	1200.3	1200	1200
2023-11-01	1200.2	1200.3	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	District North Schools Chess Trials 2019 (U18)	2019-01-25	2019-01-26	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
2	District North Schools Chess Open Trials 2018 (U18)	2018-02-09	2018-02-10	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis

#	Games	Start				End
1	3	Tournament District North Schools Chess Open Trials 2018				Tournament District North Schools Chess Trials 2019
		date 2018-02-10	rnd 5	type Standard	result 1	date 2019-01-25	rnd 1	type Standard	result 1
		Opponent Ross, R (Rian)				Opponent Giose, J (Jade)
2	1	Tournament District North Schools Chess Trials 2019				Tournament District North Schools Chess Trials 2019
		date 2019-01-26	rnd 6	type Standard	result 1	date 2019-01-26	rnd 6	type Standard	result 1
		Opponent Booysen, L (Leandre)				Opponent Booysen, L (Leandre)
3	1	Tournament District North Schools Chess Trials 2019				Tournament District North Schools Chess Trials 2019
		date 2019-01-26	rnd 3	type Standard	result 1	date 2019-01-26	rnd 3	type Standard	result 1
		Opponent Booyse, G (Geano)				Opponent Booyse, G (Geano)

#	Games	Start				End
1	3	Tournament District North Schools Chess Open Trials 2018				Tournament District North Schools Chess Trials 2019
		date 2018-02-10	rnd 5	type Standard	result 1	date 2019-01-25	rnd 1	type Standard	result 1
		Opponent Ross, R (Rian)				Opponent Giose, J (Jade)
2	1	Tournament District North Schools Chess Trials 2019				Tournament District North Schools Chess Trials 2019
		date 2019-01-26	rnd 6	type Standard	result 1	date 2019-01-26	rnd 6	type Standard	result 1
		Opponent Booysen, L (Leandre)				Opponent Booysen, L (Leandre)
3	1	Tournament District North Schools Chess Trials 2019				Tournament District North Schools Chess Trials 2019
		date 2019-01-26	rnd 3	type Standard	result 1	date 2019-01-26	rnd 3	type Standard	result 1
		Opponent Booyse, G (Geano)				Opponent Booyse, G (Geano)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament District North Schools Chess Open Trials 2018				Tournament District North Schools Chess Trials 2019
		date 2018-02-10	rnd 5	type Standard	result 1	date 2019-01-25	rnd 1	type Standard	result 1
		Opponent Ross, R (Rian)				Opponent Giose, J (Jade)
2	1	Tournament District North Schools Chess Trials 2019				Tournament District North Schools Chess Trials 2019
		date 2019-01-26	rnd 6	type Standard	result 1	date 2019-01-26	rnd 6	type Standard	result 1
		Opponent Booysen, L (Leandre)				Opponent Booysen, L (Leandre)
3	1	Tournament District North Schools Chess Trials 2019				Tournament District North Schools Chess Trials 2019
		date 2019-01-26	rnd 3	type Standard	result 1	date 2019-01-26	rnd 3	type Standard	result 1
		Opponent Booyse, G (Geano)				Opponent Booyse, G (Geano)

#	Games	Start				End
1	3	Tournament District North Schools Chess Open Trials 2018				Tournament District North Schools Chess Trials 2019
		date 2018-02-10	rnd 5	type Standard	result 1	date 2019-01-25	rnd 1	type Standard	result 1
		Opponent Ross, R (Rian)				Opponent Giose, J (Jade)
2	1	Tournament District North Schools Chess Trials 2019				Tournament District North Schools Chess Trials 2019
		date 2019-01-26	rnd 6	type Standard	result 1	date 2019-01-26	rnd 6	type Standard	result 1
		Opponent Booysen, L (Leandre)				Opponent Booysen, L (Leandre)
3	1	Tournament District North Schools Chess Trials 2019				Tournament District North Schools Chess Trials 2019
		date 2019-01-26	rnd 3	type Standard	result 1	date 2019-01-26	rnd 3	type Standard	result 1
		Opponent Booyse, G (Geano)				Opponent Booyse, G (Geano)

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	Williams ,K (Kaylum)	1	1	425	1	1	425	0	0	0	0	0	0
1	Williams ,K (Kaylum)	1	901	1326	1	901	1326	0	0	0	0	0	0
2	Chintala ,S (Sreeja)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Chintala ,S (Sreeja)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Booysen ,L (Leandre)	1	1	425	1	1	425	0	0	0	0	0	0
3	Booysen ,L (Leandre)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Booyse ,G (Geano)	1	1	425	1	1	425	0	0	0	0	0	0
4	Booyse ,G (Geano)	1	1142.9	1567.9	1	1131.2	1567.9	0	0	0	0	0	0
5	Passenz ,T (Trevine)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Passenz ,T (Trevine)	1	717.7	292.7	1	751.2	292.7	0	0	0	0	0	0
6	Flink ,M (Mugammed)	1	1	425	1	1	425	0	0	0	0	0	0
6	Flink ,M (Mugammed)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Giose ,J (Jade)	1	1	425	1	1	425	0	0	0	0	0	0
7	Giose ,J (Jade)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Petersen ,Z (Zainodien)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Petersen ,Z (Zainodien)	1	1198	773	1	1197.6	773	0	0	0	0	0	0
9	Vergeest ,K (Karen)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Vergeest ,K (Karen)	1	1158.8	733.8	1	1158.8	733.8	0	0	0	0	0	0
10	Frye ,REE (Reece Lawrence)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Frye ,REE (Reece Lawrence)	1	1609.7	1184.7	1	1614.9	1184.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Osterwyk, A (Anrico)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms