Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Plessis, AA (Anna Aletta)

Chess SA id

204047291

FIDE id

Date of birth

2004-11-18 (Adult)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-04-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1247.7	1259.4	811	811
Raw rating	1247.7	1259.4	811	811
Weighted rating	1247.7	1259.4	811	811
Weighted performance	765.6	759.6	0	0
Floor	747.7	759.4	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	154.9	152.4	288.6	288.6
Highest rating	1247.7 2024-02-01	1259.4 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1247.7 2024-02-01	1259.4 2024-02-01	811 2024-02-01	811 2024-02-01
Highest weighted rating	1247.7 2025-03-01	1259.4 2025-03-01	811 2024-11-01	811 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1247.7	1259.4	811	811
Analysis
Rating	1247.7	1259.4	811	811
Raw rating	1247.7	1259.4	811	811
Weighted rating	1247.7	1259.4	811
Weighted performance	765.6	759.6	0
K-factor	36	36	40	40
Floor	747.7	759.4	500	500
Max/Min rating change allowed	154.9	152.4	288.6	288.6
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	1247.7	1259.4	811	811
New weighted rating	1247.7	1259.4	811	811
New weighted performance	765.1	759.1	0	0
Temp new rating	1247.7	1259.4	811	811
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1247.7	1259.4	811	811
New K-factor	36	36	40	40
New floor	747.7	759.4	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	12	12	0
	5	5	0
	0	0	0
History	405	402	3

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult 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	132	62.5	47.35	-22.5	1087.5	1065
Standard	132	62.5	47.35	-22.5	1087.5	1065
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1247.7	1259.4	811	811
2025-09-01	1247.7	1259.4	811	811
2025-08-01	1247.7	1259.4	811	811
2025-07-01	1247.7	1259.4	811	811
2025-06-01	1247.7	1259.4	811	811
2025-05-01	1247.7	1259.4	811	811
2025-04-01	1247.7	1259.4	811	811
2025-03-01	1247.7	1259.4	811	811
2025-02-01	1247.7	1259.4	811	811
2025-01-01	1247.7	1259.4	811	811
2024-12-01	1247.7	1259.4	811	811
2024-11-01	1247.7	1259.4	811	811
2024-10-01	1247.7	1259.4	811	811
2024-09-01	1247.7	1259.4	811	811
2024-08-01	1247.7	1259.4	811	811
2024-07-01	1247.7	1259.4	811	811
2024-06-01	1247.7	1259.4	811	811
2024-08-01	1247.7	1259.4	811	811
2024-04-01	1247.7	1259.4	811	811
2024-03-01	1247.7	1259.4	811	811
2024-02-01	1247.7	1259.4	811	811
2024-01-01	1247.7	1259.4	811	811
2023-12-01	1247.7	1259.4	811	811
2023-11-01	1247.7	1259.4	811	811

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	National All Girls Festival 2023	2023-04-28	2023-04-30	Standard	Mangaung (FMB)	7	7	4.5	Yes	Analysis
2	Grey College Team Championship 2023 (A)	2023-02-03	2023-02-04	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
3	Grey College Team Championship 2022 (A)	2022-02-18	2022-02-19	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis
4	2020 Blou Bul (C)	2020-02-15	2020-02-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	2019 South African Top Schools Team Championships (U13+U15 Girls)	2020-01-10	2020-01-11	Standard	4 Knights (4K)	5	4	1	Yes	Analysis
6	2019 South African Junior Team Championships (U16-U20 Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
7	2019 Etienne Lewis Trials (U16 Girls)	2019-08-30	2019-09-01	Standard	Tshwane (GTP)	7	4	1	Yes	Analysis
8	2019 Gauteng School League Finals (U15 Girls)	2019-08-24	2019-08-24	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
9	2019 Swartkop Open (C)	2019-06-15	2019-06-15	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
10	2019 Gauteng Secondary Schools Individual Chess Championships (U15 Girls)	2019-05-25	2019-05-25	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
11	2019 Capablanca Chess Festival (C)	2019-04-19	2019-04-21	Standard	Tshwane (GTP)	7	6	2	Yes	Analysis
12	2019 Waterkloof Open (C)	2019-03-02	2019-03-03	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
13	2019 D4 Individual Finals (U15 Girls)	2019-03-09	2019-03-09	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
14	2019 Blou Bul (C)	2019-02-16	2019-02-16	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
15	2018 Gauteng North Open (C)	2018-10-20	2018-10-21	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
16	2018 Etienne Lewis Trials (U16 Girls)	2018-08-31	2018-09-02	Standard	Tshwane (GTP)	7	6	0	Yes	Analysis
17	2018 Alekhine Open (C)	2018-08-09	2018-08-11	Standard	Tshwane (GTP)	6	6	2	Yes	Analysis
18	2018 Lubowski Open (C)	2018-05-12	2018-05-12	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
19	2018 Capablanca Swiss (C)	2018-04-27	2018-04-29	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
20	2018 Waterkloof Open (D)	2018-03-03	2018-03-04	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
21	2018 D4 Tshwane North Individual Chess Championships (U15 Girls)	2018-03-10	2018-03-10	Standard	Tshwane (GTP)	5	3	2	Yes	Analysis
22	2018 Piet Robbertse Chess Tournament (D)	2018-02-03	2018-02-03	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
23	2018 Blou Bul Open (C)	2018-02-17	2018-02-17	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
24	2018 Tshwane Registration Open Chess Tournament (D)	2018-01-27	2018-01-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
25	South African Junior Team Championships 2017 (U14 Girls)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament South African Junior Team Championships 2017				Tournament 2018 Tshwane Registration Open Chess Tournament
		date 2018-01-08	rnd 7	type Standard	result 1	date 2018-01-27	rnd 4	type Standard	result 1
		Opponent Thamaga, O (Olerato)				Opponent De Vries, MA (Andrio)
2	4	Tournament National All Girls Festival 2023				Tournament National All Girls Festival 2023
		date 2023-04-28	rnd 3	type Standard	result 0.5	date 2023-04-29	rnd 6	type Standard	result 1
		Opponent Jain, C (Chesta)				Opponent Minnaar, A (Amelia)
3	4	Tournament Grey College Team Championship 2023				Tournament National All Girls Festival 2023
		date 2023-02-03	rnd 3	type Standard	result 1	date 2023-04-28	rnd 1	type Standard	result 1
		Opponent Kleynhans, MJ (Malan)				Opponent Phalole, R (Reatile)

#	Games	Start				End
1	5	Tournament South African Junior Team Championships 2017				Tournament 2018 Tshwane Registration Open Chess Tournament
		date 2018-01-08	rnd 7	type Standard	result 1	date 2018-01-27	rnd 4	type Standard	result 1
		Opponent Thamaga, O (Olerato)				Opponent De Vries, MA (Andrio)
2	4	Tournament National All Girls Festival 2023				Tournament National All Girls Festival 2023
		date 2023-04-28	rnd 3	type Standard	result 0.5	date 2023-04-29	rnd 6	type Standard	result 1
		Opponent Jain, C (Chesta)				Opponent Minnaar, A (Amelia)
3	4	Tournament Grey College Team Championship 2023				Tournament National All Girls Festival 2023
		date 2023-02-03	rnd 3	type Standard	result 1	date 2023-04-28	rnd 1	type Standard	result 1
		Opponent Kleynhans, MJ (Malan)				Opponent Phalole, R (Reatile)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament South African Junior Team Championships 2017				Tournament 2018 Tshwane Registration Open Chess Tournament
		date 2018-01-08	rnd 7	type Standard	result 1	date 2018-01-27	rnd 4	type Standard	result 1
		Opponent Thamaga, O (Olerato)				Opponent De Vries, MA (Andrio)
2	4	Tournament Grey College Team Championship 2023				Tournament National All Girls Festival 2023
		date 2023-02-03	rnd 3	type Standard	result 1	date 2023-04-28	rnd 1	type Standard	result 1
		Opponent Kleynhans, MJ (Malan)				Opponent Phalole, R (Reatile)
3	4	Tournament 2018 Capablanca Swiss				Tournament 2018 Capablanca Swiss
		date 2018-04-27	rnd 3	type Standard	result 1	date 2018-04-28	rnd 6	type Standard	result 1
		Opponent Cilliers, A (Adriaan)				Opponent Shandukane, P (Priscilla)

#	Games	Start				End
1	5	Tournament South African Junior Team Championships 2017				Tournament 2018 Tshwane Registration Open Chess Tournament
		date 2018-01-08	rnd 7	type Standard	result 1	date 2018-01-27	rnd 4	type Standard	result 1
		Opponent Thamaga, O (Olerato)				Opponent De Vries, MA (Andrio)
2	4	Tournament Grey College Team Championship 2023				Tournament National All Girls Festival 2023
		date 2023-02-03	rnd 3	type Standard	result 1	date 2023-04-28	rnd 1	type Standard	result 1
		Opponent Kleynhans, MJ (Malan)				Opponent Phalole, R (Reatile)
3	4	Tournament 2018 Capablanca Swiss				Tournament 2018 Capablanca Swiss
		date 2018-04-27	rnd 3	type Standard	result 1	date 2018-04-28	rnd 6	type Standard	result 1
		Opponent Cilliers, A (Adriaan)				Opponent Shandukane, P (Priscilla)

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	Prinsloo ,TE (Thiana Eurika)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Prinsloo ,TE (Thiana Eurika)	3	1329.6	904.6	3	1334.4	904.6	0	0	0	0	0	0
2	Nel ,Z (Zander)	3	3	425	3	3	425	0	0	0	0	0	0
2	Nel ,Z (Zander)	3	920.7	1345.7	3	916.5	1345.7	0	0	0	0	0	0
3	Buitendag ,N (Nanique)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Buitendag ,N (Nanique)	3	1275	850	3	1276.9	850	0	0	0	0	0	0
4	Yang ,A (Alex)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Yang ,A (Alex)	2	1252.7	827.7	2	1241.2	827.7	0	0	0	0	0	0
5	Van Nieuwenhuizen ,BF (Bernard Francois)	2	1	0	2	1	0	0	0	0	0	0	0
5	Van Nieuwenhuizen ,BF (Bernard Francois)	2	979.8	979.8	2	969.1	979.8	0	0	0	0	0	0
6	Slabbert ,ZN (Zander Nicolaas)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Slabbert ,ZN (Zander Nicolaas)	2	1354.4	929.4	2	1340.8	929.4	0	0	0	0	0	0
7	Yang ,JD (Daniel)	2	1	0	2	1	0	0	0	0	0	0	0
7	Yang ,JD (Daniel)	2	1399.8	1399.8	2	1395.8	1399.8	0	0	0	0	0	0
8	Jansen Van Rensburg ,NE (Nicolas Emile)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
8	Jansen Van Rensburg ,NE (Nicolas Emile)	2	774.6	987.1	2	782.6	987.1	0	0	0	0	0	0
9	Botha ,L (Le-Ri)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Botha ,L (Le-Ri)	2	1012.3	587.3	2	1008.2	587.3	0	0	0	0	0	0
10	Reyneke ,T (Talia)	2	2	425	2	2	425	0	0	0	0	0	0
10	Reyneke ,T (Talia)	2	1226.4	1651.4	2	1214.1	1651.4	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

Du Plessis, AA (Anna Aletta)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms