Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Niekerk, LA (Lee Ann)

Chess SA id

206088003

FIDE id

Date of birth

2006-06-14 (U20)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-05-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1277.5	1268.4	744.4	607.2
Raw rating	1277.5	1268.4	744.4	607.2
Weighted rating	1277.5	1268.4	744.4	607.2
Weighted performance	532.8	528.9	0	0
Floor	819.5	815.5	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	148.5	150.4	317.3	385.9
Highest rating	1333.2 2019-09-01	1329.2 2019-09-01	1350.3 2018-09-01	1200 2018-02-01
Highest raw rating	1319.5 2019-12-01	1315.5 2019-12-01	744.4 2024-03-01	607.2 2024-03-01
Highest weighted rating	1319.5 2021-07-01	1315.5 2021-07-01	744.4 2024-11-01	607.2 2024-11-01
Highest weighted performance	1333.2 2019-09-01	1329.2 2019-09-01	1350.3 2018-09-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1277.5	1268.4	744.4	607.2
Analysis
Rating	1277.5	1268.4	744.4	607.2
Raw rating	1277.5	1268.4	744.4	607.2
Weighted rating	1277.5	1268.4	744.4
Weighted performance	532.8	528.9	0
K-factor	36	36	40	40
Floor	819.5	815.5	500	500
Max/Min rating change allowed	148.5	150.4	317.3	385.9
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	1277.5	1268.4	744.4	607.2
New weighted rating	1277.5	1268.4	744.4	607.2
New weighted performance	532.4	528.5	0	0
Temp new rating	1277.5	1268.4	744.4	607.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1277.5	1268.4	744.4	607.2
New K-factor	36	36	40	40
New floor	819.5	815.5	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	5	5	0	0
	0	0	0	0
	0	0	0	0
History	229	203	19	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 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	175	92.5	52.86	24.3	1034.7	1059
Standard	162	86.5	53.4	28.9	1022.8	1051.6
Rapid	6	4	66.67	141.7	1246.3	1388
Blitz	7	2	28.57	-182.1	1128.8	946.7

Date	Main	Standard	Rapid	Blitz
2025-09-30	1277.5	1268.4	744.4	607.2
2025-09-01	1277.5	1268.4	744.4	607.2
2025-08-01	1277.5	1268.4	744.4	607.2
2025-07-01	1277.5	1268.4	744.4	607.2
2025-06-01	1277.5	1268.4	744.4	607.2
2025-05-01	1277.5	1268.4	744.4	607.2
2025-04-01	1277.5	1268.4	744.4	607.2
2025-03-01	1277.5	1268.4	744.4	607.2
2025-02-01	1277.5	1268.4	744.4	607.2
2025-01-01	1277.4	1268.3	744.4	607.2
2024-12-01	1277.4	1268.3	744.4	607.2
2024-11-01	1277.4	1268.3	744.4	607.2
2024-10-01	1277.4	1268.3	744.4	607.2
2024-09-01	1277.4	1268.3	744.4	607.2
2024-08-01	1277.4	1268.3	744.4	607.2
2024-07-01	1277.4	1268.3	744.4	607.2
2024-06-01	1277.4	1268.3	744.4	607.2
2024-08-01	1277.4	1268.3	744.4	607.2
2024-04-01	1277.4	1268.3	744.4	607.2
2024-03-01	1277.4	1268.3	744.4	607.2
2024-02-01	1277.4	1268.3	744.4	607.2
2024-01-01	1277.4	1268.3	744.4	607.2
2023-12-01	1277.4	1268.3	744.4	607.2
2023-11-01	1277.4	1268.3	744.4	607.2

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 Individual Finals 2023 (U18 Girls)	2023-05-27	2023-05-27	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Alberton Chess Club Open 2020 (Ladies+Girls)	2020-02-22	2020-02-22	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
3	2019 Wild Card Chess Championship (U14 Girls)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
4	2019 South African Junior Team Championships (U14B Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	3	Yes	Analysis
5	Ekurhuleni Grand Prix 2019 (Girls Juniors)	2019-09-14	2019-09-14	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
6	2019 Gauteng School League Finals (U13 Girls)	2019-08-23	2019-08-23	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
7	Springs Open 2019 (C)	2019-08-31	2019-08-31	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
8	Boksburg Chess Club Open 2019 (C)	2019-07-13	2019-07-13	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
9	2019 Gauteng Primary Schools Individual Chess Championships (U13 Girls)	2019-05-25	2019-05-25	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
10	Ekurhuleni Trials 2 2019 (U14)	2019-04-27	2019-04-27	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
11	Ekurhuleni Trials 1 2019 (U14)	2019-03-09	2019-03-09	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
12	Springs Chess Club Open 2019 (C)	2019-02-09	2019-02-09	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
13	South African Junior Blitz 2018 (U14)	2018-12-19	2018-12-19	Blitz	4 Knights (4K)	7	7	2	Yes	Analysis
14	2018 Wild Card Chess Championships (U14 Girls)	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
15	South African Junior Team Championships 2018 (U14B Girls)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	2	Yes	Analysis
16	Inter Region GE vs JHB Metro 2018 (U14 Swiss)	2018-10-06	2018-10-06	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
17	Springs Chess Club Rapid 2018	2018-09-22	2018-09-22	Rapid	Ekurhuleni (GE)	6	6	4	Yes	Analysis
18	2018 Gauteng League Final (U13 Girls)	2018-08-24	2018-08-24	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
19	D5 Primary Schools Teams 2018 (U13)	2018-08-17	2018-08-18	Standard	Ekurhuleni (GE)	6	5	4	Yes	Analysis
20	Witfield Open 2018 (C)	2018-07-21	2018-07-21	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
21	Boksburg Chess Club Open 2018 (U14)	2018-07-14	2018-07-14	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
22	Ekurhuleni Trials 3 2018 (U14)	2018-06-16	2018-06-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
23	2018 Gauteng Secondary Schools Individual Chess Championships (U13 Girls)	2018-05-25	2018-05-25	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
24	Dalpark Open 2018 (C)	2018-05-04	2018-05-05	Standard	Ekurhuleni (GE)	6	6	3	Yes	Analysis
25	D5 Schools Individuals (District Final)	2018-05-19	2018-05-19	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
26	Ekurhuleni Trials 2 2018 (U14)	2018-04-21	2018-04-21	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
27	Ekurhuleni Trials 1 2018 (U14)	2018-03-10	2018-03-10	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
28	Elspark Open 2018 (C)	2018-02-10	2018-02-10	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
29	Brakpan Open 2018 (C)	2018-02-24	2018-02-24	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
30	Johan Jurgens Open 2018 (C)	2018-01-26	2018-01-27	Standard	Ekurhuleni (GE)	6	6	2	Yes	Analysis
31	South African Junior Wildcard Championships 2017 (U12 Girls)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
32	South African Junior Team Championships 2017 (U12 Girls)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Alberton Chess Club Open 2020				Tournament Gauteng Schools Individual Finals 2023
		date 2020-02-22	rnd 3	type Standard	result 1	date 2023-05-27	rnd 2	type Standard	result 1
		Opponent Maime, M (Mankgara)				Opponent Kgabisang, B (Boikanyo)
2	5	Tournament 2019 Gauteng School League Finals				Tournament Springs Open 2019
		date 2019-08-23	rnd 3	type Standard	result 1	date 2019-08-31	rnd 2	type Standard	result 1
		Opponent Malatji, L (Lethabo)				Opponent Janse Van Vuuren, A (Alexander)
3	5	Tournament Witfield Open 2018				Tournament D5 Primary Schools Teams 2018
		date 2018-07-21	rnd 4	type Standard	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Koen, M (Martin)				Opponent Twala, L (Lihle)

#	Games	Start				End
1	5	Tournament Alberton Chess Club Open 2020				Tournament Gauteng Schools Individual Finals 2023
		date 2020-02-22	rnd 3	type Standard	result 1	date 2023-05-27	rnd 2	type Standard	result 1
		Opponent Maime, M (Mankgara)				Opponent Kgabisang, B (Boikanyo)
2	5	Tournament 2019 Gauteng School League Finals				Tournament Springs Open 2019
		date 2019-08-23	rnd 3	type Standard	result 1	date 2019-08-31	rnd 2	type Standard	result 1
		Opponent Malatji, L (Lethabo)				Opponent Janse Van Vuuren, A (Alexander)
3	5	Tournament Witfield Open 2018				Tournament D5 Primary Schools Teams 2018
		date 2018-07-21	rnd 4	type Standard	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Koen, M (Martin)				Opponent Twala, L (Lihle)

#	Games	Start				End
1	2	Tournament Springs Chess Club Rapid 2018				Tournament Springs Chess Club Rapid 2018
		date 2018-09-22	rnd 5	type Rapid	result 1	date 2018-09-22	rnd 6	type Rapid	result 1
		Opponent Kwanele, L (Lefa)				Opponent Modikwane, M (Modise)
2	1	Tournament Springs Chess Club Rapid 2018				Tournament Springs Chess Club Rapid 2018
		date 2018-09-22	rnd 3	type Rapid	result 1	date 2018-09-22	rnd 3	type Rapid	result 1
		Opponent Mahlangu, L (Lethukuthula)				Opponent Mahlangu, L (Lethukuthula)
3	1	Tournament Springs Chess Club Rapid 2018				Tournament Springs Chess Club Rapid 2018
		date 2018-09-22	rnd 1	type Rapid	result 1	date 2018-09-22	rnd 1	type Rapid	result 1
		Opponent Phakathi, G (Gift)				Opponent Phakathi, G (Gift)

#	Games	Start				End
1	1	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 7	type Blitz	result 1	date 2018-12-19	rnd 7	type Blitz	result 1
		Opponent Roesch, S (Samuel)				Opponent Roesch, S (Samuel)
2	1	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 1	type Blitz	result 1	date 2018-12-19	rnd 1	type Blitz	result 1
		Opponent Fillis, J (Jared)				Opponent Fillis, J (Jared)

#	Games	Start				End
1	5	Tournament Alberton Chess Club Open 2020				Tournament Gauteng Schools Individual Finals 2023
		date 2020-02-22	rnd 3	type Standard	result 1	date 2023-05-27	rnd 2	type Standard	result 1
		Opponent Maime, M (Mankgara)				Opponent Kgabisang, B (Boikanyo)
2	5	Tournament 2019 Gauteng School League Finals				Tournament Springs Open 2019
		date 2019-08-23	rnd 3	type Standard	result 1	date 2019-08-31	rnd 2	type Standard	result 1
		Opponent Malatji, L (Lethabo)				Opponent Janse Van Vuuren, A (Alexander)
3	5	Tournament Witfield Open 2018				Tournament D5 Primary Schools Teams 2018
		date 2018-07-21	rnd 4	type Standard	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Koen, M (Martin)				Opponent Twala, L (Lihle)

#	Games	Start				End
1	5	Tournament Alberton Chess Club Open 2020				Tournament Gauteng Schools Individual Finals 2023
		date 2020-02-22	rnd 3	type Standard	result 1	date 2023-05-27	rnd 2	type Standard	result 1
		Opponent Maime, M (Mankgara)				Opponent Kgabisang, B (Boikanyo)
2	5	Tournament 2019 Gauteng School League Finals				Tournament Springs Open 2019
		date 2019-08-23	rnd 3	type Standard	result 1	date 2019-08-31	rnd 2	type Standard	result 1
		Opponent Malatji, L (Lethabo)				Opponent Janse Van Vuuren, A (Alexander)
3	5	Tournament Witfield Open 2018				Tournament D5 Primary Schools Teams 2018
		date 2018-07-21	rnd 4	type Standard	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Koen, M (Martin)				Opponent Twala, L (Lihle)

#	Games	Start				End
1	2	Tournament Springs Chess Club Rapid 2018				Tournament Springs Chess Club Rapid 2018
		date 2018-09-22	rnd 5	type Rapid	result 1	date 2018-09-22	rnd 6	type Rapid	result 1
		Opponent Kwanele, L (Lefa)				Opponent Modikwane, M (Modise)
2	1	Tournament Springs Chess Club Rapid 2018				Tournament Springs Chess Club Rapid 2018
		date 2018-09-22	rnd 3	type Rapid	result 1	date 2018-09-22	rnd 3	type Rapid	result 1
		Opponent Mahlangu, L (Lethukuthula)				Opponent Mahlangu, L (Lethukuthula)
3	1	Tournament Springs Chess Club Rapid 2018				Tournament Springs Chess Club Rapid 2018
		date 2018-09-22	rnd 1	type Rapid	result 1	date 2018-09-22	rnd 1	type Rapid	result 1
		Opponent Phakathi, G (Gift)				Opponent Phakathi, G (Gift)

#	Games	Start				End
1	1	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 7	type Blitz	result 1	date 2018-12-19	rnd 7	type Blitz	result 1
		Opponent Roesch, S (Samuel)				Opponent Roesch, S (Samuel)
2	1	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 1	type Blitz	result 1	date 2018-12-19	rnd 1	type Blitz	result 1
		Opponent Fillis, J (Jared)				Opponent Fillis, J (Jared)

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	Greyling ,D (Duncan)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
1	Greyling ,D (Duncan)	4	1058.8	846.3	4	1045.7	846.3	0	0	0	0	0	0
2	Bothma ,L (Liandri)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
2	Bothma ,L (Liandri)	4	834.9	1047.4	4	824.2	1047.4	0	0	0	0	0	0
3	Nel ,H (Hayley)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
3	Nel ,H (Hayley)	4	859.2	646.7	4	856.4	646.7	0	0	0	0	0	0
4	Mabaso ,F (Felicity)	3	0	-425	3	0	-425	0	0	0	0	0	0
4	Mabaso ,F (Felicity)	3	1137.7	712.7	3	1132.3	712.7	0	0	0	0	0	0
5	Steyn ,Z (Zurika)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
5	Steyn ,Z (Zurika)	3	801.4	943.1	3	806.8	943.1	0	0	0	0	0	0
6	Rossouw ,A (Alicia)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
6	Rossouw ,A (Alicia)	3	1305.7	1164	3	1298.2	1164	0	0	0	0	0	0
7	Brink ,EN (Enya Nastasya)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Brink ,EN (Enya Nastasya)	2	1002	577	2	1013.5	577	0	0	0	0	0	0
8	Bosman ,E (Elri)	2	2	425	2	2	425	0	0	0	0	0	0
8	Bosman ,E (Elri)	2	1033.8	1458.8	2	1010.6	1458.8	0	0	0	0	0	0
9	Reddy ,K (Kemrin)	2	1	0	2	1	0	0	0	0	0	0	0
9	Reddy ,K (Kemrin)	2	832.5	832.5	2	832.3	832.5	0	0	0	0	0	0
10	Waring ,G (Gabriel)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Waring ,G (Gabriel)	2	898.8	1111.2	2	894	1111.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Van Niekerk, LA (Lee Ann)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms