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

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

12.3

Junior GPX Points

932

Item	Main	Standard	Rapid	Blitz
Rating	1176.1	1191.4	1173.7	1200
Raw rating	1090.7	1144.8	1098.5	1200
Weighted rating	1176.1	1191.4	1173.7	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	193.8	179.4	191.6	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	-7.7	-4	-7	0
New rating	1168.4	1187.3	1166.7	1200
Analysis
Rating	1176.1	1191.4	1173.7	1200
Raw rating	1090.7	1144.8	1098.5	1200
Weighted rating	1176.1	1191.4	1173.7
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	699.9	699.9	699.9	700
Max/Min rating change allowed	193.8	179.4	191.6	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	1090.7	1144.8	1098.5	1200
New weighted rating	1168.4	1187.3	1166.7	1200
New weighted performance	0	0	0	0
Temp new rating	1168.4	1187.3	1166.7	1200
Temp new rating +/-	-7.7	-4	-7	0
Final new rating +/-	-7.7	-4	-7	0
New rating	1168.4	1187.3	1166.7	1200
New K-factor	40	40	40	36
New floor	699.9	699.9	699.9	700

Item	Main	Standard	Rapid
	0	0	0
	19	5	14
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	19	5	14

Games since
	Main 19	Standard 5		Rapid 14		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	19	5	26.32	-201.3	1220.6	1019.3
Standard	5	1	20	-255	1241	986
Rapid	14	4	28.57	-182.1	1213.3	1031.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	19	5	26.32	-201.3	1220.6	1019.3
Standard	5	1	20	-255	1241	986
Rapid	14	4	28.57	-182.1	1213.3	1031.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1090.7	1144.8	1098.5	1200
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
2024-09-01	1200	1200	1200	1200
2024-05-01	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

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	Worcester Schools Knock-Out 2025 (U9)	2025-10-18	2025-10-18	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
2	Western Cape Schools - Top Schools 2025 (U9)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	1	Yes	Analysis
3	Cape Winelands Top Schools 2025 (U9+U11)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	4	3	0	Yes	Analysis
4	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	Worcester Schools Knock-Out 2025 (U9)	2025-10-18	2025-10-18	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
2	Western Cape Schools - Top Schools 2025 (U9)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	1	Yes	Analysis
3	Cape Winelands Top Schools 2025 (U9+U11)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	4	3	0	Yes	Analysis
4	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 Worcester Schools Knock-Out 2025				Tournament Worcester Schools Knock-Out 2025
		date 2025-10-18	rnd 4	type Rapid	result 1	date 2025-10-18	rnd 5	type Rapid	result 1
		Opponent Willemse, D (Dominique)				Opponent Van Rooyen, T (Thaylum)
2	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)
3	1	Tournament Worcester Schools Knock-Out 2025				Tournament Worcester Schools Knock-Out 2025
		date 2025-10-18	rnd 2	type Rapid	result 1	date 2025-10-18	rnd 2	type Rapid	result 1
		Opponent Adams, A (Aasiyah)				Opponent Adams, A (Aasiyah)

#	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	Adams ,A (Aasiyah)	2	1	0	0	0	0	2	1	0	0	0	0
1	Adams ,A (Aasiyah)	2	1199.9	1199.9	0	0	0	2	1199.8	1199.9	0	0	0
2	Nieuwoudt ,B (Ben-Luca)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Nieuwoudt ,B (Ben-Luca)	1	1251.1	826.1	1	1255.5	826.1	0	0	0	0	0	0
3	Crots ,M (Martin)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Crots ,M (Martin)	1	1230.4	805.4	1	1236.6	805.4	0	0	0	0	0	0
4	Williams ,Z (Zaeryn)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Williams ,Z (Zaeryn)	1	1247	822	1	1256.8	822	0	0	0	0	0	0
5	Abrahams ,A (Anchalee)	1	1	425	1	1	425	0	0	0	0	0	0
5	Abrahams ,A (Anchalee)	1	1188.4	1613.4	1	1200	1613.4	0	0	0	0	0	0
6	Jansen ,D (Dominic)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Jansen ,D (Dominic)	1	1288.3	863.3	1	1196.9	863.3	0	0	0	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	Stevens ,L (Legion)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Stevens ,L (Legion)	1	1250.3	825.3	0	0	0	1	1271.2	825.3	0	0	0
9	Pietsir ,M (Mikyle)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
9	Pietsir ,M (Mikyle)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
10	Williams ,B (Bia-Mae)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
10	Williams ,B (Bia-Mae)	1	1200	1200	0	0	0	1	1200	1200	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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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