Chess South Africa
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Chess South Africa
Pretorius, A (Andrei)
Dob:
2009/02/02 (U16)
Gender:
Female
Chess SA id:
2090155403
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/03/23 (70 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
1329.2
Curent Weighted rating
1233.3
Curent Weighted performance
1311.7
Current official/published rating (highest between Raw, WR and WP)
1329.2
Current floor (min rating allowed)
829.2
Current highest rating achieved
1329.2
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)
±137.9
Current Raw change used (final)
0.0
Projected new Raw rating
1329.2
Projected new Weighed rating
1242.1
Projected new Weighted performance
1311.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1329.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1329.2
Projected new floor
829.2
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
1319.8
Curent Weighted rating
1235.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1319.8
Current floor (min rating allowed)
819.8
Current highest rating achieved
1319.8
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)
±139.8
Current Raw change used (final)
0.0
Projected new Raw rating
1319.8
Projected new Weighed rating
1243.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1319.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1319.8
Projected new floor
819.8
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
1151.4
Curent Weighted rating
1171.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1171.9
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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)
±177.7
Current Raw change used (final)
0.0
Projected new Raw rating
1151.4
Projected new Weighed rating
1169.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1169.4
Projected effective change (new Official - current Official)
-2.5
Projected new highest rating
1200.0
Projected new floor
700.0
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
1st Knights Open Tournament 2024 (C)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1227.5
1242.8
Analysis
2
JNW Open - Classic - Crawford 2024 (C)
2024/03/09
2024/03/09
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1227.5
1242.8
Analysis
1
Grey College Team Championship 2024 (B)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
4
2.5
1195.2
1208.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
7
1st Knights Open Tournament 2024 (C)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1227.5
1242.8
Analysis
6
JNW Open - Classic - Crawford 2024 (C)
2024/03/09
2024/03/09
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1227.5
1242.8
Analysis
5
Grey College Team Championship 2024 (B)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
4
2.5
1195.2
1208.6
Analysis
4
Chess is My Lifestyle 2023 (High School Girls)
2023/12/09
2023/12/09
Johannesburg Metro (GJM)
Rapid
30
0.60
5
5
2.0
1206.2
1160.8
Analysis
3
Gauteng Soncini Finals 2023 (Girls)
2023/10/28
2023/10/28
Ekurhuleni (GE)
Rapid
20
0.47
5
5
2.0
1208.7
1200.0
Analysis
2
Mzansi Spring Rapid 2023
2023/09/02
2023/09/02
Johannesburg Metro (GJM)
Rapid
15
0.39
7
0
0.0
1208.7
1200.0
Analysis
1
Gauteng Schools Individual Finals 2023 (U15 Girls)
2023/05/27
2023/05/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
14
9
1
4
9.5
67.9
151.8
1276.5
1428.3
White
8
6
0
2
6.0
75.0
212.5
1298.9
1511.4
Black
6
3
1
2
3.5
58.3
70.8
1246.7
1317.5
Standard
All
14
9
1
4
9.5
67.9
151.8
1276.5
1428.3
White
8
6
0
2
6.0
75.0
212.5
1298.9
1511.4
Black
6
3
1
2
3.5
58.3
70.8
1246.7
1317.5
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
29
16
1
12
16.5
56.9
58.6
1244.1
1302.7
White
16
11
0
5
11.0
68.8
159.4
1264.5
1423.9
Black
13
5
1
7
5.5
42.3
-65.4
1218.9
1153.5
Standard
All
19
12
1
6
12.5
65.8
134.2
1248.7
1382.9
White
11
7
0
4
7.0
63.6
115.9
1264.4
1380.4
Black
8
5
1
2
5.5
68.8
159.4
1226.9
1386.3
Rapid
All
10
4
0
6
4.0
40.0
-85.0
1235.3
1150.3
White
5
4
0
1
4.0
80.0
255.0
1264.8
1519.8
Black
5
0
0
5
0.0
0.0
-425.0
1205.9
780.9
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1130301072
Mtshweni, L (Lungelo)
1
1.0
1
0
0
100.0
1227.5
425.0
1652.5
View list
2
2110141975
Mlilo, S (Sibongisiwe)
1
1.0
1
0
0
100.0
1227.5
425.0
1652.5
View list
3
1100160163
Mitchell, T (Thomas)
1
1.0
1
0
0
100.0
1195.2
425.0
1620.2
View list
4
2090155390
Mashego, J (Jamile)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1100191346
Magwambe, R (Rejoyce)
1
1.0
1
0
0
100.0
1206.2
425.0
1631.2
View list
6
1120103546
Lochner, C (Christiaan)
1
1.0
1
0
0
100.0
1227.5
425.0
1652.5
View list
7
1080192078
Kreusch, O (Oscar)
1
1.0
1
0
0
100.0
1227.5
425.0
1652.5
View list
8
2090162460
Karuppan, Z (Zebada)
1
1.0
1
0
0
100.0
1208.7
425.0
1633.7
View list
9
2080143463
Jovo, M (Makanaka)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
10
210091697
Botha, A (Andrea)
1
1.0
1
0
0
100.0
1227.5
425.0
1652.5
View list
11
1100191976
Bissett, C (Colin)
1
1.0
1
0
0
100.0
1227.5
425.0
1652.5
View list
12
1080111620
Cooper, H (Hayden)
1
1.0
1
0
0
100.0
1195.2
425.0
1620.2
View list
13
1070191347
Obioha, C (Chiwendu)
1
1.0
1
0
0
100.0
1206.2
425.0
1631.2
View list
14
2090112559
Shiba, C (Crestina)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
15
2100141920
Vilakazi, L (Lwandle)
1
1.0
1
0
0
100.0
1208.7
425.0
1633.7
View list
16
1140149124
Wu, O (Oscar)
1
1.0
1
0
0
100.0
1227.5
425.0
1652.5
View list
17
1080108607
Coetzee, C (Conlinn)
1
0.5
0
1
0
50.0
1195.2
0.0
1195.2
View list
18
2080143482
Mzizi, A (Ayanda)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
19
1080156325
Mvala, A (Ayanda)
1
0.0
0
0
1
0.0
1227.5
-425.0
802.5
View list
20
2070143464
Kazadi, G (Gracia)
1
0.0
0
0
1
0.0
1206.2
-425.0
781.2
View list