Chess South Africa Ratings Database

PLAYER PAGE

Personal

Willemse, A (Arnick-Lee)

Chess SA id

1120148180

FIDE id

Date of birth

2012-07-18 (U14)

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

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1189.2	1200	1175.4	1200
Raw rating	1177.7	1200	1166.3	1200
Weighted rating	1189.2	1200	1175.4	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	171.2	165.8	174	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2024-02-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2024-02-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1	0	-0.9	0
New rating	1188.2	1200	1174.5	1200
Analysis
Rating	1189.2	1200	1175.4	1200
Raw rating	1177.7	1200	1166.3	1200
Weighted rating	1189.2	1200	1175.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	171.2	165.8	174	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	1177.7	1200	1166.3	1200
New weighted rating	1188.2	1200	1174.5	1200
New weighted performance	0	0	0	0
Temp new rating	1188.2	1200	1174.5	1200
Temp new rating +/-	-1	0	-0.9	0
Final new rating +/-	-1	0	-0.9	0
New rating	1188.2	1200	1174.5	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

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

Games since
	Main 14	Standard 0		Rapid 14		Blitz 0
Gender	Male
Age group	U14
Region	Cape Winelands (WCW)
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	14	5.5	39.29	-91.1	1243	1151.9
Standard	0	0	0	0	0	0
Rapid	14	5.5	39.29	-91.1	1243	1151.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	19	7.5	39.47	-89.5	1228.4	1138.9
Standard	0	0	0	0	0	0
Rapid	19	7.5	39.47	-89.5	1228.4	1138.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1177.7	1200	1166.3	1200
2025-09-30	1176.9	1200	1160.5	1200
2025-09-01	1176.9	1200	1160.5	1200
2025-08-01	1192.8	1200	1179.2	1200
2025-07-01	1192.8	1200	1179.2	1200
2025-06-01	1192.8	1200	1179.2	1200
2025-05-01	1192.8	1200	1179.2	1200
2025-04-01	1192.8	1200	1179.2	1200
2025-03-01	1192.8	1200	1179.2	1200
2025-02-01	1192.8	1200	1179.2	1200
2025-01-01	1192.8	1200	1179.2	1200
2024-12-01	1192.8	1200	1179.2	1200
2024-11-01	1192.8	1200	1179.2	1200
2024-10-01	1192.8	1200	1179.2	1200
2024-09-01	1192.8	1200	1179.2	1200
2024-08-01	1192.8	1200	1179.2	1200
2024-07-01	1192.8	1200	1179.2	1200
2024-09-01	1192.8	1200	1179.2	1200
2024-05-01	1192.8	1200	1179.2	1200
2024-04-01	1192.8	1200	1179.2	1200
2024-03-01	1192.8	1200	1179.2	1200
2024-02-01	1192.8	1200	1179.2	1200
2024-01-01	1192.8	1200	1179.2	1200
2023-12-01	1192.8	1200	1179.2	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 (U13 Boys)	2025-10-18	2025-10-18	Rapid	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
2	Cape Winelands Top Schools 2025 (U13)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	4	2	Yes	Analysis
3	De Villiers PS 2025 (U14+High School Boys)	2025-08-16	2025-08-16	Rapid	Cape Winelands (WCW)	5	4	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 (U13 Boys)	2025-10-18	2025-10-18	Rapid	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
2	Cape Winelands Top Schools 2025 (U13)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	4	2	Yes	Analysis
3	De Villiers PS 2025 (U14+High School Boys)	2025-08-16	2025-08-16	Rapid	Cape Winelands (WCW)	5	4	1	Yes	Analysis
4	Breede Centre Rapid Chess Festival 2022	2022-12-20	2022-12-20	Rapid	Cape Winelands (WCW)	5	5	2	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 0.5
		Opponent Sedan, A (Abubacker)				Opponent Smit, B (Blake)
2	2	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 3	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Blaauws, L (Lizney)				Opponent Coetzee, L (Leon)
3	1	Tournament Worcester Schools Knock-Out 2025				Tournament Worcester Schools Knock-Out 2025
		date 2025-10-18	rnd 1	type Rapid	result 1	date 2025-10-18	rnd 1	type Rapid	result 1
		Opponent Pieterse, J (Jemille)				Opponent Pieterse, J (Jemille)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 3	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Blaauws, L (Lizney)				Opponent Coetzee, L (Leon)
2	1	Tournament De Villiers PS 2025				Tournament De Villiers PS 2025
		date 2025-08-16	rnd 4	type Rapid	result 1	date 2025-08-16	rnd 4	type Rapid	result 1
		Opponent Salaman, A (Ali)				Opponent Salaman, A (Ali)
3	1	Tournament Breede Centre Rapid Chess Festival 2022				Tournament Breede Centre Rapid Chess Festival 2022
		date 2022-12-20	rnd 3	type Rapid	result 1	date 2022-12-20	rnd 3	type Rapid	result 1
		Opponent Filander, J (Justine)				Opponent Filander, J (Justine)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 3	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Blaauws, L (Lizney)				Opponent Coetzee, L (Leon)
2	1	Tournament De Villiers PS 2025				Tournament De Villiers PS 2025
		date 2025-08-16	rnd 4	type Rapid	result 1	date 2025-08-16	rnd 4	type Rapid	result 1
		Opponent Salaman, A (Ali)				Opponent Salaman, A (Ali)
3	1	Tournament Breede Centre Rapid Chess Festival 2022				Tournament Breede Centre Rapid Chess Festival 2022
		date 2022-12-20	rnd 3	type Rapid	result 1	date 2022-12-20	rnd 3	type Rapid	result 1
		Opponent Filander, J (Justine)				Opponent Filander, J (Justine)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 3	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Blaauws, L (Lizney)				Opponent Coetzee, L (Leon)
2	1	Tournament De Villiers PS 2025				Tournament De Villiers PS 2025
		date 2025-08-16	rnd 4	type Rapid	result 1	date 2025-08-16	rnd 4	type Rapid	result 1
		Opponent Salaman, A (Ali)				Opponent Salaman, A (Ali)
3	1	Tournament Breede Centre Rapid Chess Festival 2022				Tournament Breede Centre Rapid Chess Festival 2022
		date 2022-12-20	rnd 3	type Rapid	result 1	date 2022-12-20	rnd 3	type Rapid	result 1
		Opponent Filander, J (Justine)				Opponent Filander, J (Justine)

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	Mudau ,U (Unarine)	2	0	-425	0	0	0	2	0	-425	0	0	0
1	Mudau ,U (Unarine)	2	1291.9	866.9	0	0	0	2	1279.6	866.9	0	0	0
2	Fielies ,A (Arnaldo)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Fielies ,A (Arnaldo)	1	1200	775	0	0	0	1	1200	775	0	0	0
3	Kleinpenning ,A (Aiden)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Kleinpenning ,A (Aiden)	1	1136.8	711.8	0	0	0	1	1216.8	711.8	0	0	0
4	Pieterse ,J (Jemille)	1	1	425	0	0	0	1	1	425	0	0	0
4	Pieterse ,J (Jemille)	1	1252.2	1677.2	0	0	0	1	1257.3	1677.2	0	0	0
5	Scheepers ,G (Gabriel)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Scheepers ,G (Gabriel)	1	1163.3	738.3	0	0	0	1	1130.4	738.3	0	0	0
6	Arendorff ,F (Franklin)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Arendorff ,F (Franklin)	1	1200	775	0	0	0	1	1200	775	0	0	0
7	Coetzee ,L (Leon)	1	1	425	0	0	0	1	1	425	0	0	0
7	Coetzee ,L (Leon)	1	1155.4	1580.4	0	0	0	1	1169.5	1580.4	0	0	0
8	Boer ,Q (Quade)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Boer ,Q (Quade)	1	1166.3	741.3	0	0	0	1	1208	741.3	0	0	0
9	Fielies ,J (Juzean)	1	1	425	0	0	0	1	1	425	0	0	0
9	Fielies ,J (Juzean)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Smit ,B (Blake)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
10	Smit ,B (Blake)	1	1200	1200	0	0	0	1	1200	1200	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Willemse, A (Arnick-Lee)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms