Chess South Africa Ratings Database

PLAYER PAGE

Personal

Booysen, E (Elda)

Chess SA id

201002611

FIDE id

Date of birth

2001-06-16 (Adult)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

WCM

Chess SA registered

Last active game

2022-01-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1564.3	1564.5	1473.9	1473.9
Raw rating	1564.3	1564.5	1473.9	1473.9
Weighted rating	1564.3	1564.5	1473.9	1473.9
Weighted performance	482.6	482.6	0	0
Floor	1064.3	1066	973.9	973.9
K-factor	32	32	32	32
Min/Max rating change allowed	98.7	98.6	112.2	112.2
Highest rating	1564.3 2024-02-01	1566 2019-08-01	1473.9 2019-07-01	1473.9 2019-07-01
Highest raw rating	1564.3 2024-02-01	1566 2019-08-01	1473.9 2024-02-01	1473.9 2024-02-01
Highest weighted rating	1563.9 2025-08-01	1564.1 2025-08-01	1473.9 2019-07-01	1473.9 2019-07-01
Highest weighted performance	1564 2019-03-01	1565.2 2019-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1564.3	1564.5	1473.9	1473.9
Analysis
Rating	1564.3	1564.5	1473.9	1473.9
Raw rating	1564.3	1564.5	1473.9	1473.9
Weighted rating	1564.3	1564.5	1473.9
Weighted performance	482.6	482.6	0
K-factor	32	32	32	32
Floor	1064.3	1066	973.9	973.9
Max/Min rating change allowed	98.7	98.6	112.2	112.2
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	1564.3	1564.5	1473.9	1473.9
New weighted rating	1564.3	1564.5	1473.9	1473.9
New weighted performance	473.6	473.6	0	0
Temp new rating	1564.3	1564.5	1473.9	1473.9
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1564.3	1564.5	1473.9	1473.9
New K-factor	32	32	32	32
New floor	1064.3	1066	973.9	973.9

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	5	5	0
	0	0	0
History	757	735	22

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	116	71	61.21	95.3	1390.7	1486
Standard	116	71	61.21	95.3	1390.7	1486
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1564.3	1564.5	1473.9	1473.9
2025-09-30	1564.3	1564.5	1473.9	1473.9
2025-09-01	1564.3	1564.5	1473.9	1473.9
2025-08-01	1564.3	1564.5	1473.9	1473.9
2025-07-01	1564.3	1564.5	1473.9	1473.9
2025-06-01	1564.3	1564.5	1473.9	1473.9
2025-05-01	1564.3	1564.5	1473.9	1473.9
2025-04-01	1564.3	1564.5	1473.9	1473.9
2025-03-01	1564.3	1564.5	1473.9	1473.9
2025-02-01	1564.3	1564.5	1473.9	1473.9
2025-01-01	1564.3	1564.5	1473.9	1473.9
2024-12-01	1564.3	1564.5	1473.9	1473.9
2024-11-01	1564.3	1564.5	1473.9	1473.9
2024-10-01	1564.3	1564.5	1473.9	1473.9
2024-09-01	1564.3	1564.5	1473.9	1473.9
2024-08-01	1564.3	1564.5	1473.9	1473.9
2024-07-01	1564.3	1564.5	1473.9	1473.9
2024-09-01	1564.3	1564.5	1473.9	1473.9
2024-05-01	1564.3	1564.5	1473.9	1473.9
2024-04-01	1564.3	1564.5	1473.9	1473.9
2024-03-01	1564.3	1564.5	1473.9	1473.9
2024-02-01	1564.3	1564.5	1473.9	1473.9
2024-01-01	1564.3	1564.5	1473.9	1473.9
2023-12-01	1551.3	1552.8	1473.9	1473.9

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	2022 Tshwane Chess Open Registration Tournament (A)	2022-01-29	2022-01-29	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2019 Gauteng School League Finals (U19 Open)	2019-08-24	2019-08-24	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
3	2019 D4 Tshwane South Schools League Team Finals (U19)	2019-07-27	2019-07-27	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
4	2019 D4 Individual Finals (U18 Girls)	2019-03-09	2019-03-09	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
5	2019 South African Junior Closed Chess Championship (U18 Girls)	2019-03-17	2019-03-22	Standard	Chess South Africa (CSA)	9	9	6.5	Yes	Analysis
6	Grey College Team Championship 2019 (A)	2019-02-22	2019-02-23	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
7	2019 Tshwane Chess Registration Tournament (B)	2019-01-26	2019-01-26	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
8	South African Junior Team Championships 2018 (U16-U20 Girls)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
9	World Youth Chess Championships 2018	2018-10-20	2018-10-30	Standard	Greece (GRE)	11	10	2.5	Yes	Analysis
10	2018 Gauteng League Final (U15-U19 Girls)	2018-08-25	2018-08-25	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
11	2018 D4 Tshwane South Schools League Finals (U19)	2018-08-04	2018-08-04	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
12	2018 Alekhine Open (A)	2018-08-09	2018-08-11	Standard	Tshwane (GTP)	6	6	3	Yes	Analysis
13	2018 Capablanca Swiss (A)	2018-04-27	2018-04-29	Standard	Tshwane (GTP)	7	7	2.5	Yes	Analysis
14	2018 South African Junior Closed Chess Championships (U18 Girls)	2018-04-01	2018-04-07	Standard	Chess South Africa (CSA)	11	11	7	Yes	Analysis
15	2018 Waterkloof Open (A)	2018-03-03	2018-03-04	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
16	2018 Blou Bul Open (B)	2018-02-17	2018-02-17	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
17	2018 Tshwane Registration Open Chess Tournament (B)	2018-01-27	2018-01-27	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
18	South African Inter Regional Championships 2017	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	5	2	Yes	Analysis
19	South African Junior Team Championships 2017 (U16-U20 Girls)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis

#	Games	Start				End
1	16	Tournament World Youth Chess Championships 2018				Tournament Grey College Team Championship 2019
		date 2018-10-30	rnd 11	type Standard	result 0.5	date 2019-02-23	rnd 3	type Standard	result 1
		Opponent Rakic Tijana				Opponent Cruywagen, D (Dewan)
2	11	Tournament 2019 South African Junior Closed Chess Championship				Tournament 2019 Gauteng School League Finals
		date 2019-03-19	rnd 6	type Standard	result 1	date 2019-08-24	rnd 2	type Standard	result 1
		Opponent Van Den Berg, A (Ane)				Opponent Ndlovu, G (Goodman)
3	9	Tournament 2019 D4 Individual Finals				Tournament 2019 South African Junior Closed Chess Championship
		date 2019-03-09	rnd 1	type Standard	result 1	date 2019-03-18	rnd 4	type Standard	result 1
		Opponent Msiza, AS (Aurelie Sakhile)				Opponent Dinham, M (Megan)

#	Games	Start				End
1	16	Tournament World Youth Chess Championships 2018				Tournament Grey College Team Championship 2019
		date 2018-10-30	rnd 11	type Standard	result 0.5	date 2019-02-23	rnd 3	type Standard	result 1
		Opponent Rakic Tijana				Opponent Cruywagen, D (Dewan)
2	11	Tournament 2019 South African Junior Closed Chess Championship				Tournament 2019 Gauteng School League Finals
		date 2019-03-19	rnd 6	type Standard	result 1	date 2019-08-24	rnd 2	type Standard	result 1
		Opponent Van Den Berg, A (Ane)				Opponent Ndlovu, G (Goodman)
3	9	Tournament 2019 D4 Individual Finals				Tournament 2019 South African Junior Closed Chess Championship
		date 2019-03-09	rnd 1	type Standard	result 1	date 2019-03-18	rnd 4	type Standard	result 1
		Opponent Msiza, AS (Aurelie Sakhile)				Opponent Dinham, M (Megan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament 2019 D4 Tshwane South Schools League Team Finals				Tournament 2019 Gauteng School League Finals
		date 2019-07-27	rnd 2	type Standard	result 1	date 2019-08-24	rnd 2	type Standard	result 1
		Opponent Van Der Linde, PS (Piery Stefan)				Opponent Ndlovu, G (Goodman)
2	5	Tournament 2019 Tshwane Chess Registration Tournament				Tournament Grey College Team Championship 2019
		date 2019-01-26	rnd 4	type Standard	result 1	date 2019-02-23	rnd 3	type Standard	result 1
		Opponent Odendaal, MM (Mikhal)				Opponent Cruywagen, D (Dewan)
3	4	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 Alekhine Open
		date 2018-08-04	rnd 3	type Standard	result 1	date 2018-08-09	rnd 1	type Standard	result 1
		Opponent Lubbe, AG (Andre)				Opponent Nhamuave, E (Eleazar)

#	Games	Start				End
1	6	Tournament 2019 D4 Tshwane South Schools League Team Finals				Tournament 2019 Gauteng School League Finals
		date 2019-07-27	rnd 2	type Standard	result 1	date 2019-08-24	rnd 2	type Standard	result 1
		Opponent Van Der Linde, PS (Piery Stefan)				Opponent Ndlovu, G (Goodman)
2	5	Tournament 2019 Tshwane Chess Registration Tournament				Tournament Grey College Team Championship 2019
		date 2019-01-26	rnd 4	type Standard	result 1	date 2019-02-23	rnd 3	type Standard	result 1
		Opponent Odendaal, MM (Mikhal)				Opponent Cruywagen, D (Dewan)
3	4	Tournament 2018 D4 Tshwane South Schools League Finals				Tournament 2018 Alekhine Open
		date 2018-08-04	rnd 3	type Standard	result 1	date 2018-08-09	rnd 1	type Standard	result 1
		Opponent Lubbe, AG (Andre)				Opponent Nhamuave, E (Eleazar)

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	Fihla ,LL (Lonwabo Luvuyo)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Fihla ,LL (Lonwabo Luvuyo)	3	1558.8	1417.1	3	1561.5	1417.1	0	0	0	0	0	0
2	Van Heerden ,L (Lara)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
2	Van Heerden ,L (Lara)	3	1368.4	1510	3	1372.6	1510	0	0	0	0	0	0
3	Villoen ,S (Sharise)	3	3	425	3	3	425	0	0	0	0	0	0
3	Villoen ,S (Sharise)	3	1284.4	1709.4	3	1287.1	1709.4	0	0	0	0	0	0
4	Wolmarans ,R (Riekie)	2	1	0	2	1	0	0	0	0	0	0	0
4	Wolmarans ,R (Riekie)	2	1526.1	1526.1	2	1523.9	1526.1	0	0	0	0	0	0
5	Seloana ,RA (Reamogetswe Annitjie)	2	2	425	2	2	425	0	0	0	0	0	0
5	Seloana ,RA (Reamogetswe Annitjie)	2	1197.2	1622.2	2	1197.2	1622.2	0	0	0	0	0	0
6	Richter ,J-M (Jan-Michael)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Richter ,J-M (Jan-Michael)	2	1573.8	1148.8	2	1575.5	1148.8	0	0	0	0	0	0
7	Dinham ,M (Megan)	2	2	425	2	2	425	0	0	0	0	0	0
7	Dinham ,M (Megan)	2	1314.5	1739.5	2	1318.2	1739.5	0	0	0	0	0	0
8	Msiza ,AS (Aurelie Sakhile)	2	2	425	2	2	425	0	0	0	0	0	0
8	Msiza ,AS (Aurelie Sakhile)	2	1075.7	1500.7	2	1074.1	1500.7	0	0	0	0	0	0
9	Swart ,S (Sune)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	Swart ,S (Sune)	2	1294.3	1506.8	2	1293.6	1506.8	0	0	0	0	0	0
10	Greyling ,HJ (Hendrik Johannes)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Greyling ,HJ (Hendrik Johannes)	2	1488.8	1701.3	2	1486.6	1701.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Booysen, E (Elda)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms