Chess South Africa Ratings Database

PLAYER PAGE

Personal

Oosthuizen, C (Cornecio)

Chess SA id

1160325376

FIDE id

Date of birth

2016-01-26 (U10)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1184.2	1195.6	1181	1200
Raw rating	1078.4	1144.8	1078.5	1200
Weighted rating	1184.2	1195.6	1181	1200
Weighted performance	0	0	0	0
Floor	699.9	699.9	699.9	700
K-factor	40	40	40	40
Min/Max rating change allowed	197.2	179.4	197.2	165.8
Highest rating	1199.9 2025-08-20	1199.9 2025-08-20	1199.9 2025-08-20	1199.9 2025-08-20
Highest raw rating	1199.9 2025-08-20	1199.9 2025-08-20	1199.9 2025-08-20	1199.9 2025-08-20
Highest weighted rating	1199.9 2025-08-20	1199.9 2025-08-20	1199.9 2025-08-20	1199.9 2025-08-20
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-9.1	-4.2	-8.9	0
New rating	1175.1	1191.4	1172.1	1200
Analysis
Rating	1184.2	1195.6	1181	1200
Raw rating	1078.4	1144.8	1078.5	1200
Weighted rating	1184.2	1195.6	1181
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	699.9	699.9	699.9	700
Max/Min rating change allowed	197.2	179.4	197.2	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	1078.4	1144.8	1078.5	1200
New weighted rating	1175.1	1191.4	1172.1	1200
New weighted performance	0	0	0	0
Temp new rating	1175.1	1191.4	1172.1	1200
Temp new rating +/-	-9.1	-4.2	-8.9	0
Final new rating +/-	-9.1	-4.2	-8.9	0
New rating	1175.1	1191.4	1172.1	1200
New K-factor	40	40	40	36
New floor	699.9	699.9	699.9	700

Item	Main	Standard	Rapid
	0	0	0
	13	5	8
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	13	5	8

Games since
	Main 13	Standard 5		Rapid 8		Blitz 0
Gender	Male
Age group	U10
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	13	2	15.38	-294.2	1204.3	910.1
Standard	5	1	20	-255	1241	986
Rapid	8	1	12.5	-318.8	1181.4	862.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	13	2	15.38	-294.2	1204.3	910.1
Standard	5	1	20	-255	1241	986
Rapid	8	1	12.5	-318.8	1181.4	862.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1078.4	1144.8	1078.5	1200
2025-09-01	1120.3	1200	1078.5	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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	Western Cape Schools - Top Schools 2025 (U9)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	1	Yes	Analysis
2	Cape Winelands Top Schools 2025 (U9+U11)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	4	3	0	Yes	Analysis
3	De Villiers PS 2025 (Beginners)	2025-08-16	2025-08-16	Rapid	Cape Winelands (WCW)	5	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U9)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	1	Yes	Analysis
2	Cape Winelands Top Schools 2025 (U9+U11)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	4	3	0	Yes	Analysis
3	De Villiers PS 2025 (Beginners)	2025-08-16	2025-08-16	Rapid	Cape Winelands (WCW)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament De Villiers PS 2025				Tournament De Villiers PS 2025
		date 2025-08-16	rnd 2	type Rapid	result 0.5	date 2025-08-16	rnd 3	type Rapid	result 0.5
		Opponent Williams, B (Bia-Mae)				Opponent Pietsir, M (Mikyle)
2	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Abrahams, A (Anchalee)				Opponent Abrahams, A (Anchalee)

#	Games	Start				End
1	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Abrahams, A (Anchalee)				Opponent Abrahams, A (Anchalee)

#	Games	Start				End
1	2	Tournament De Villiers PS 2025				Tournament De Villiers PS 2025
		date 2025-08-16	rnd 2	type Rapid	result 0.5	date 2025-08-16	rnd 3	type Rapid	result 0.5
		Opponent Williams, B (Bia-Mae)				Opponent Pietsir, M (Mikyle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Abrahams, A (Anchalee)				Opponent Abrahams, A (Anchalee)

#	Games	Start				End
1	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Abrahams, A (Anchalee)				Opponent Abrahams, A (Anchalee)

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	Abrahams ,A (Anchalee)	1	1	425	1	1	425	0	0	0	0	0	0
1	Abrahams ,A (Anchalee)	1	1188.4	1613.4	1	1200	1613.4	0	0	0	0	0	0
2	Crots ,M (Martin)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Crots ,M (Martin)	1	1230.4	805.4	1	1236.6	805.4	0	0	0	0	0	0
3	Williams ,Z (Zaeryn)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Williams ,Z (Zaeryn)	1	1247	822	1	1256.8	822	0	0	0	0	0	0
4	Jansen ,D (Dominic)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Jansen ,D (Dominic)	1	1288.3	863.3	1	1196.9	863.3	0	0	0	0	0	0
5	Nieuwoudt ,B (Ben-Luca)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Nieuwoudt ,B (Ben-Luca)	1	1251.1	826.1	1	1255.5	826.1	0	0	0	0	0	0
6	Pietsir ,M (Mikyle)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
6	Pietsir ,M (Mikyle)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
7	De Villiers ,A (Albert)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	De Villiers ,A (Albert)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Lee ,M (Martin John)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Lee ,M (Martin John)	1	1192	767	0	0	0	1	1184.7	767	0	0	0
9	Williams ,B (Bia-Mae)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
9	Williams ,B (Bia-Mae)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
10	Martin ,C (Corbin)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Martin ,C (Corbin)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Oosthuizen, C (Cornecio)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms