Chess South Africa
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Chess South Africa
Van Niekerk, LA (Lee Ann)
Dob:
2006/06/14 (U20)
Gender:
Female
Chess SA id:
206088003
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2023/05/27 (342 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1277.4
Curent Weighted rating
1279.8
Curent Weighted performance
756.0
Current official/published rating (highest between Raw, WR and WP)
1279.8
Current floor (min rating allowed)
819.5
Current highest rating achieved
1319.5
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±148.5
Current Raw change used (final)
0.0
Projected new Raw rating
1277.4
Projected new Weighed rating
1279.4
Projected new Weighted performance
756.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1279.4
Projected effective change (new Official - current Official)
-0.4
Projected new highest rating
1319.5
Projected new floor
819.5
Projected new K-facor
36
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
1268.3
Curent Weighted rating
1271.3
Curent Weighted performance
750.2
Current official/published rating (highest between Raw, WR and WP)
1271.3
Current floor (min rating allowed)
815.5
Current highest rating achieved
1315.5
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±150.4
Current Raw change used (final)
0.0
Projected new Raw rating
1268.3
Projected new Weighed rating
1270.8
Projected new Weighted performance
750.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1270.8
Projected effective change (new Official - current Official)
-0.5
Projected new highest rating
1315.5
Projected new floor
815.5
Projected new K-facor
36
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
744.4
Curent Weighted rating
744.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
744.4
Current floor (min rating allowed)
500.0
Current highest rating achieved
744.4
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±317.3
Current Raw change used (final)
0.0
Projected new Raw rating
744.4
Projected new Weighed rating
744.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
744.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
744.4
Projected new floor
500.0
Projected new K-facor
40
Raw rating
=Current rating,
Weighted rating (WR)
Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Curent Raw rating
607.2
Curent Weighted rating
607.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
607.2
Current floor (min rating allowed)
500.0
Current highest rating achieved
607.2
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±385.9
Current Raw change used (final)
0.0
Projected new Raw rating
607.2
Projected new Weighed rating
607.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
607.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
607.2
Projected new floor
500.0
Projected new K-facor
40
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
32
Gauteng Schools Individual Finals 2023 (U18 Girls)
2023/05/27
2023/05/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1288.5
1282.0
Analysis
31
Alberton Chess Club Open 2020 (Ladies+Girls)
2020/02/22
2020/02/22
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1272.7
1265.1
Analysis
30
2019 Wild Card Chess Championship (U14 Girls)
2020/01/09
2020/01/12
4 Knights (4K)
Standard
120
1.00
7
7
4.0
1319.5
1315.5
Analysis
29
2019 South African Junior Team Championships (U14B Girls)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
6
3.0
1319.5
1315.5
Analysis
28
Ekurhuleni Grand Prix 2019 (Girls Juniors)
2019/09/14
2019/09/14
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.5
1311.7
1307.9
Analysis
27
Springs Open 2019 (C)
2019/08/31
2019/08/31
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1218.7
1212.9
Analysis
26
2019 Gauteng School League Finals (U13 Girls)
2019/08/23
2019/08/23
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1218.7
1212.9
Analysis
25
Boksburg Chess Club Open 2019 (C)
2019/07/13
2019/07/13
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1081.5
1076.3
Analysis
24
2019 Gauteng Primary Schools Individual Chess Championships (U13 Girls)
2019/05/25
2019/05/25
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1025.5
1017.8
Analysis
23
Ekurhuleni Trials 2 2019 (U14)
2019/04/27
2019/04/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1015.2
1007.0
Analysis
22
Ekurhuleni Trials 1 2019 (U14)
2019/03/09
2019/03/09
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1011.2
1003.0
Analysis
21
Springs Chess Club Open 2019 (C)
2019/02/09
2019/02/09
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
962.7
942.6
Analysis
20
2018 Wild Card Chess Championships (U14 Girls)
2018/12/21
2018/12/24
4 Knights (4K)
Standard
120
1.00
7
7
2.0
1142.6
1091.8
Analysis
19
South African Junior Blitz 2018 (U14)
2018/12/19
2018/12/19
4 Knights (4K)
Blitz
5
0.18
7
7
2.0
1142.6
585.6
Analysis
18
South African Junior Team Championships 2018 (U14B Girls)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
6
2.0
1142.6
1091.8
Analysis
17
Inter Region GE vs JHB Metro 2018 (U14 Swiss)
2018/10/06
2018/10/06
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.5
1185.8
1144.6
Analysis
16
Springs Chess Club Rapid 2018
2018/09/22
2018/09/22
Ekurhuleni (GE)
Rapid
20
0.47
6
6
4.0
1141.5
585.6
Analysis
15
2018 Gauteng League Final (U13 Girls)
2018/08/24
2018/08/24
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1083.3
1079.4
Analysis
14
D5 Primary Schools Teams 2018 (U13)
2018/08/17
2018/08/18
Ekurhuleni (GE)
Standard
60
0.83
6
5
4.0
1083.3
1079.4
Analysis
13
Witfield Open 2018 (C)
2018/07/21
2018/07/21
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1065.4
1055.0
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Standard
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
175
90
5
80
92.5
52.9
24.3
1034.7
1059.0
White
88
53
1
34
53.5
60.8
91.8
1030.5
1122.3
Black
87
37
4
46
39.0
44.8
-44.0
1038.9
994.9
Standard
All
162
84
5
73
86.5
53.4
28.9
1022.8
1051.6
White
82
52
1
29
52.5
64.0
119.2
1019.3
1138.5
Black
80
32
4
44
34.0
42.5
-63.8
1026.4
962.7
Rapid
All
6
4
0
2
4.0
66.7
141.7
1246.3
1387.9
White
3
1
0
2
1.0
33.3
-141.7
1292.5
1150.8
Black
3
3
0
0
3.0
100.0
425.0
1200.0
1625.0
Blitz
All
7
2
0
5
2.0
28.6
-182.1
1128.8
946.6
White
3
0
0
3
0.0
0.0
-425.0
1077.3
652.3
Black
4
2
0
2
2.0
50.0
0.0
1167.4
1167.4
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
206088651
Bothma, L (Liandri)
4
3.0
3
0
1
75.0
1115.0
212.5
1327.5
View list
2
1060096801
Greyling, D (Duncan)
4
1.0
1
0
3
25.0
877.8
-212.5
665.3
View list
3
206091525
Nel, H (Hayley)
4
1.0
1
0
3
25.0
852.1
-212.5
639.6
View list
4
206045741
Steyn, Z (Zurika)
3
2.0
2
0
1
66.7
730.4
141.7
872.1
View list
5
2070102034
Rossouw, A (Alicia)
3
1.0
1
0
2
33.3
1218.9
-141.7
1077.2
View list
6
206071040
Mabaso, F (Felicity)
3
0.0
0
0
3
0.0
1015.7
-425.0
590.7
View list
7
208088664
Bosman, E (Elri)
2
2.0
2
0
0
100.0
718.8
425.0
1143.8
View list
8
107088030
Lusi, L (Lunathi)
2
2.0
2
0
0
100.0
849.0
425.0
1274.0
View list
9
106066143
Waring, G (Gabriel)
2
1.5
1
1
0
75.0
1125.6
212.5
1338.1
View list
10
207064041
Coetzee, A (Anika)
2
1.0
1
0
1
50.0
952.5
0.0
952.5
View list
11
106076510
Attwell, R (Rowan)
2
1.0
1
0
1
50.0
833.5
0.0
833.5
View list
12
206077215
Reddy, K (Kemrin)
2
1.0
1
0
1
50.0
1148.2
0.0
1148.2
View list
13
106086008
Swart, Z (Zander)
2
1.0
1
0
1
50.0
947.8
0.0
947.8
View list
14
207076729
West, M (Megan)
2
1.0
1
0
1
50.0
585.6
0.0
585.6
View list
15
206001830
Bent, C (Cierra)
2
0.0
0
0
2
0.0
864.1
-425.0
439.1
View list
16
205044777
Brink, EN (Enya)
2
0.0
0
0
2
0.0
952.2
-425.0
527.2
View list
17
107056316
Agre, AS (Atharv)
2
0.0
0
0
2
0.0
1046.3
-425.0
621.3
View list
18
206069537
Edeani, C (Chidinma)
2
0.0
0
0
2
0.0
1231.0
-425.0
806.0
View list
19
206050956
Pelser, J (Jean-Marie)
2
0.0
0
0
2
0.0
805.5
-425.0
380.5
View list
20
1060105078
Claven, R (Ryan Daniel)
1
1.0
1
0
0
100.0
1015.2
425.0
1440.2
View list