Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Villiers, A (Annabella)

Chess SA id

2140316205

FIDE id

Date of birth

2014-08-26 (U12)

Gender

Female

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

23.1

Junior GPX Points

1198.6

Item	Main	Standard	Rapid	Blitz
Rating	1228.4	1204.2	1273.6	1200
Raw rating	1228.4	1178.8	1273.6	1200
Weighted rating	1211.2	1204.2	1211.5	1200
Weighted performance	0	0	0	0
Floor	757.1	723.9	773.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	159.2	170.9	149.3	165.8
Highest rating	1257.1 2025-09-01	1223.9 2025-04-01	1273.6 2025-09-01	1200 2025-03-01
Highest raw rating	1257.1 2025-09-01	1223.9 2025-04-01	1273.6 2025-09-01	1200 2025-03-01
Highest weighted rating	1211.2 2025-09-30	1205.6 2025-08-01	1205.9 2025-09-01	1200 2025-03-01
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	0	-1.9	0	0
New rating	1228.4	1202.3	1273.6	1200
Analysis
Rating	1228.4	1204.2	1273.6	1200
Raw rating	1228.4	1178.8	1273.6	1200
Weighted rating	1211.2	1204.2	1211.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	757.1	723.9	773.6	700
Max/Min rating change allowed	159.2	170.9	149.3	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	1228.4	1178.8	1273.6	1200
New weighted rating	1212.9	1202.3	1216.9	1200
New weighted performance	0	0	0	0
Temp new rating	1228.4	1202.3	1273.6	1200
Temp new rating +/-	0	-1.9	0	0
Final new rating +/-	0	-1.9	0	0
New rating	1228.4	1202.3	1273.6	1200
New K-factor	36	36	36	36
New floor	757.1	723.9	773.6	700

Item	Main	Standard	Rapid
	0	0	0
	25	21	4
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	25	21	4

Games since
	Main 25	Standard 21		Rapid 4		Blitz 0
Gender	Female
Age group	U12
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-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	25	12	48	-17	1270.3	1253.3
Standard	21	8	38.1	-101.2	1278.4	1177.2
Rapid	4	4	100	425	1227.7	1652.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	12	48	-17	1270.3	1253.3
Standard	21	8	38.1	-101.2	1278.4	1177.2
Rapid	4	4	100	425	1227.7	1652.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1228.4	1178.8	1273.6	1200
2025-09-01	1257.1	1210.5	1273.6	1200
2025-08-01	1209.8	1210.5	1200	1200
2025-07-01	1209.8	1210.5	1200	1200
2025-06-01	1209.8	1210.5	1200	1200
2025-05-01	1220.4	1223.9	1200	1200
2025-04-01	1220.4	1223.9	1200	1200
2025-03-01	1198.8	1198.5	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 (U11)	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	4	4	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U11 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
4	Cape Winelands Schools Prestige 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
5	Cape Winelands Schools - Trials 1 2025 (U11 Girls)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2	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 (U11)	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	4	4	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U11 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
4	Cape Winelands Schools Prestige 2025 (U11 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
5	Cape Winelands Schools - Trials 1 2025 (U11 Girls)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 1	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Edons, E (Elijah)				Opponent Snyman, J (Jovanni)
2	3	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Adams, L (Lo-Keisha)				Opponent Visser, E (Engela)
3	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-07	rnd 6	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Snyman, A (Andre)				Opponent Snyman, A (Andre)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Adams, L (Lo-Keisha)				Opponent Visser, E (Engela)
2	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-07	rnd 6	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Snyman, A (Andre)				Opponent Snyman, A (Andre)
3	1	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Saayman, B (Barendina)				Opponent Saayman, B (Barendina)

#	Games	Start				End
1	4	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 1	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Edons, E (Elijah)				Opponent Snyman, J (Jovanni)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 1	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Edons, E (Elijah)				Opponent Snyman, J (Jovanni)
2	3	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Adams, L (Lo-Keisha)				Opponent Visser, E (Engela)
3	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-07	rnd 6	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Snyman, A (Andre)				Opponent Snyman, A (Andre)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Adams, L (Lo-Keisha)				Opponent Visser, E (Engela)
2	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-07	rnd 6	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Snyman, A (Andre)				Opponent Snyman, A (Andre)
3	1	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Saayman, B (Barendina)				Opponent Saayman, B (Barendina)

#	Games	Start				End
1	4	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 1	type Rapid	result 1	date 2025-08-23	rnd 4	type Rapid	result 1
		Opponent Edons, E (Elijah)				Opponent Snyman, J (Jovanni)

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	Fortuin ,P (Pearl)	2	1	0	1	0	-425	1	1	425	0	0	0
1	Fortuin ,P (Pearl)	2	1187.7	1187.7	1	1178.4	762.7	1	1200	1612.7	0	0	0
2	Swartz ,U (Umaree)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Swartz ,U (Umaree)	1	1328.8	903.8	1	1295.9	903.8	0	0	0	0	0	0
3	Saayman ,B (Barendina)	1	1	425	1	1	425	0	0	0	0	0	0
3	Saayman ,B (Barendina)	1	1276.8	1701.8	1	1296.4	1701.8	0	0	0	0	0	0
4	Punt ,CR (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Punt ,CR (Christiaan)	1	1508.4	1083.4	1	1502.6	1083.4	0	0	0	0	0	0
5	Adams ,L (Lo-Keisha)	1	1	425	1	1	425	0	0	0	0	0	0
5	Adams ,L (Lo-Keisha)	1	1066.4	1491.4	1	1111.8	1491.4	0	0	0	0	0	0
6	Visser ,E (Engela)	1	1	425	1	1	425	0	0	0	0	0	0
6	Visser ,E (Engela)	1	1264.1	1689.1	1	1257.8	1689.1	0	0	0	0	0	0
7	Gebuza ,L (Lufiko)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Gebuza ,L (Lufiko)	1	1287.1	862.1	1	1269.7	862.1	0	0	0	0	0	0
8	Scheepers ,A (Ava)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Scheepers ,A (Ava)	1	1186.8	761.8	1	1200	761.8	0	0	0	0	0	0
9	Davids ,J (Jaydine)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Davids ,J (Jaydine)	1	1320.7	895.7	1	1305.2	895.7	0	0	0	0	0	0
10	Snyman ,A (Andre)	1	1	425	1	1	425	0	0	0	0	0	0
10	Snyman ,A (Andre)	1	1459.4	1884.4	1	1395.7	1884.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

De Villiers, A (Annabella)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms