Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Villiers, A (Ami)

Chess SA id

2090143378

FIDE id

Date of birth

2009-10-13 (U18)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1194.7	1191.7	1200	1200
Raw rating	1194.7	1191.7	1200	1200
Weighted rating	1191.1	1187.8	1200	1200
Weighted performance	975.8	969.9	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.1	167.8	165.8	165.8
Highest rating	1228.7 2023-08-01	1227.9 2023-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1228.7 2023-08-01	1227.9 2023-08-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1194.7	1191.7	1200	1200
Analysis
Rating	1194.7	1191.7	1200	1200
Raw rating	1194.7	1191.7	1200	1200
Weighted rating	1191.1	1187.8	1200
Weighted performance	975.8	969.9	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	167.1	167.8	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	1194.7	1191.7	1200	1200
New weighted rating	1191.6	1188.3	1200	1200
New weighted performance	975.4	969.5	0	0
Temp new rating	1194.7	1191.7	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1194.7	1191.7	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	15	15
	4	4
	5	5
	0	0
History	24	24

Games since
	Main 15	Standard 15		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	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	24	10	41.67	-70.8	1243.5	1172.6
Standard	24	10	41.67	-70.8	1243.5	1172.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1194.7	1191.7	1200	1200
2025-09-01	1194.7	1191.7	1200	1200
2025-08-01	1194.7	1191.7	1200	1200
2025-07-01	1194.7	1191.7	1200	1200
2025-06-01	1194.7	1191.7	1200	1200
2025-05-01	1194.7	1191.7	1200	1200
2025-04-01	1194.7	1191.7	1200	1200
2025-03-01	1194.7	1191.7	1200	1200
2025-02-01	1194.7	1191.7	1200	1200
2025-01-01	1194.7	1191.7	1200	1200
2024-12-01	1194.7	1191.7	1200	1200
2024-11-01	1194.7	1191.7	1200	1200
2024-10-01	1194.7	1191.7	1200	1200
2024-09-01	1184.1	1179.8	1200	1200
2024-08-01	1184.1	1179.8	1200	1200
2024-07-01	1184.1	1179.8	1200	1200
2024-06-01	1184.1	1179.8	1200	1200
2024-08-01	1155.2	1147.4	1200	1200
2024-04-01	1155.2	1147.4	1200	1200
2024-03-01	1155.2	1147.4	1200	1200
2024-02-01	1199	1200	1200	1200
2024-01-01	1199	1200	1200	1200
2023-12-01	1199	1200	1200	1200
2023-11-01	1199	1200	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	Gauteng Schools Individuals Finals 2024 (U15 Girls)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	2024 Tshwane South School District CLOSED Individual Championships (U15 Girls)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	Grey College Team Championship 2024 (A)	2024-02-23	2024-02-24	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis
4	2023 Gauteng Top Schools (U15 Girls)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	4	3	Yes	Analysis
5	2022 Gauteng Schools Individual Chess Championship (U13 Girls)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-17	rnd 3	type Standard	result 1	date 2024-08-17	rnd 4	type Standard	result 1
		Opponent Thomas, J (Jenna)				Opponent Tromp, C (Clare)
2	2	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2024-05-11	rnd 1	type Standard	result 1	date 2024-05-11	rnd 2	type Standard	result 1
		Opponent Machele, T (Tumisho)				Opponent Viljoen, A (Amber)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-19	rnd 1	type Standard	result 1	date 2023-08-19	rnd 2	type Standard	result 1
		Opponent Mashatola, N (Nomvula Miriam)				Opponent Naima, Q (Qhina)

#	Games	Start				End
1	2	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-17	rnd 3	type Standard	result 1	date 2024-08-17	rnd 4	type Standard	result 1
		Opponent Thomas, J (Jenna)				Opponent Tromp, C (Clare)
2	2	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2024-05-11	rnd 1	type Standard	result 1	date 2024-05-11	rnd 2	type Standard	result 1
		Opponent Machele, T (Tumisho)				Opponent Viljoen, A (Amber)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-19	rnd 1	type Standard	result 1	date 2023-08-19	rnd 2	type Standard	result 1
		Opponent Mashatola, N (Nomvula Miriam)				Opponent Naima, Q (Qhina)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-17	rnd 3	type Standard	result 1	date 2024-08-17	rnd 4	type Standard	result 1
		Opponent Thomas, J (Jenna)				Opponent Tromp, C (Clare)
2	2	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2024-05-11	rnd 1	type Standard	result 1	date 2024-05-11	rnd 2	type Standard	result 1
		Opponent Machele, T (Tumisho)				Opponent Viljoen, A (Amber)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-19	rnd 1	type Standard	result 1	date 2023-08-19	rnd 2	type Standard	result 1
		Opponent Mashatola, N (Nomvula Miriam)				Opponent Naima, Q (Qhina)

#	Games	Start				End
1	2	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-17	rnd 3	type Standard	result 1	date 2024-08-17	rnd 4	type Standard	result 1
		Opponent Thomas, J (Jenna)				Opponent Tromp, C (Clare)
2	2	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2024-05-11	rnd 1	type Standard	result 1	date 2024-05-11	rnd 2	type Standard	result 1
		Opponent Machele, T (Tumisho)				Opponent Viljoen, A (Amber)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-19	rnd 1	type Standard	result 1	date 2023-08-19	rnd 2	type Standard	result 1
		Opponent Mashatola, N (Nomvula Miriam)				Opponent Naima, Q (Qhina)

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	Viljoen ,A (Amber)	2	1	0	2	1	0	0	0	0	0	0	0
1	Viljoen ,A (Amber)	2	1315	1315	2	1312.3	1315	0	0	0	0	0	0
2	Maharaj ,A (Arya)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Maharaj ,A (Arya)	1	1403.3	978.3	1	1398.1	978.3	0	0	0	0	0	0
3	Laas ,I (Isabella)	1	1	425	1	1	425	0	0	0	0	0	0
3	Laas ,I (Isabella)	1	1039.7	1464.7	1	1028.8	1464.7	0	0	0	0	0	0
4	Montoedi ,R (Reabetsoe)	1	1	425	1	1	425	0	0	0	0	0	0
4	Montoedi ,R (Reabetsoe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Alexander ,D (Darrion)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Alexander ,D (Darrion)	1	1094.1	669.1	1	1075.6	669.1	0	0	0	0	0	0
6	Karsten ,CB (Chay Belle)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Karsten ,CB (Chay Belle)	1	1334.7	909.7	1	1319.8	909.7	0	0	0	0	0	0
7	Mpana ,P (Paledi)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mpana ,P (Paledi)	1	1542.7	1117.7	1	1536.6	1117.7	0	0	0	0	0	0
8	Barnardt ,Z (Zandr�)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Barnardt ,Z (Zandr�)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Pillay ,K (Ketana)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Pillay ,K (Ketana)	1	1352.9	927.9	1	1340.6	927.9	0	0	0	0	0	0
10	Mokonyane ,S (Sualeni)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mokonyane ,S (Sualeni)	1	1200	775	1	1200	775	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 (Ami)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms