Chess South Africa
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Chess South Africa
Vorster, S (Sophia)
Dob:
2007/08/28 (U18)
Gender:
Female
Chess SA id:
207076757
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2023/10/14 (256 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
Current Raw rating
1196.8
Current Weighted rating
1190.6
Current Weighted performance
1002.6
Current official/published rating (highest between Raw, WR and WP)
1196.8
Current highest rating achieved
1198.8
Current floor (min rating allowed)
698.8
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)
±166.6
Current Raw change used (final)
0.0
Projected new Raw rating
1196.8
Projected new Weighed rating
1095.5
Projected new Weighted performance
1002.6
Projected new final Raw rating (if new WP > new Raw)
1196.8
Projected new highest rating
1198.8
Projected new floor
698.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1196.8
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1167.2
Current Weighted rating
1169.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1169.1
Current highest rating achieved
1175.2
Current floor (min rating allowed)
675.2
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)
±173.7
Current Raw change used (final)
0.0
Projected new Raw rating
1167.2
Projected new Weighed rating
1075.2
Projected new Weighted performance
768.2
Projected new final Raw rating (if new WP > new Raw)
1167.2
Projected new highest rating
1175.2
Projected new floor
675.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1167.2
Projected effective change (new Official - current Official)
-1.9
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
Current Raw rating
1202.4
Current Weighted rating
1201.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1202.4
Current highest rating achieved
1202.4
Current floor (min rating allowed)
702.4
Current K-factor
36
s
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)
±165.2
Current Raw change used (final)
0.0
Projected new Raw rating
1202.4
Projected new Weighed rating
1105.4
Projected new Weighted performance
644.5
Projected new final Raw rating (if new WP > new Raw)
1202.4
Projected new highest rating
1202.4
Projected new floor
702.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1202.4
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
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
6
Paarl Boys High Chess Festival 2023 (Elite Division)
2023/10/13
2023/10/14
Cape Winelands (WCW)
Standard
60
0.83
6
2
1.0
1179.9
1144.0
Analysis
5
Western Cape Top Schools 2023 (U18 Girls)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
5
2.0
1198.8
1175.2
Analysis
4
CW Top Schools 2023 (U15+U18 Girls)
2023/08/26
2023/08/26
Cape Winelands (WCW)
Rapid
32
0.63
5
5
3.0
1178.1
1199.2
Analysis
3
Cape Winelands Schools Prestige 2023 (U17 Girls)
2023/03/11
2023/03/11
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.5
1176.1
1172.4
Analysis
2
Robertson Strategema Club 2022 (U17)
2022/10/29
2022/10/29
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
1
Metro Rapid 2022 (U15 Girls)
2022/10/22
2022/10/22
Cape Town (WCT)
Rapid
30
0.60
5
4
2.0
1200.0
1200.0
Analysis
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
26
12
1
13
12.5
48.1
-16.3
1209.1
1192.7
White
13
6
0
7
6.0
46.2
-32.7
1243.7
1211.1
Black
13
6
1
6
6.5
50.0
0.0
1174.4
1174.4
Standard
All
17
7
1
9
7.5
44.1
-50.0
1205.9
1155.9
White
9
4
0
5
4.0
44.4
-47.2
1244.8
1197.5
Black
8
3
1
4
3.5
43.8
-53.1
1162.3
1109.1
Rapid
All
9
5
0
4
5.0
55.6
47.2
1215.0
1262.2
White
4
2
0
2
2.0
50.0
0.0
1241.5
1241.5
Black
5
3
0
2
3.0
60.0
85.0
1193.8
1278.8
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
2070137532
Snyman, J (Junoel)
1
1.0
1
0
0
100.0
1176.1
425.0
1601.1
View list
2
1070137717
Smith, O (Oswill)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
2070146188
Fabricius, A (Anja)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
2080147517
Mostert, C (Carien)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
2060131979
Prins, L (Lukeesha)
1
1.0
1
0
0
100.0
1198.8
425.0
1623.8
View list
6
1070137609
Manuhwa, P (Progress)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
2090137487
Cloete, Z (Zoe)
1
1.0
1
0
0
100.0
1178.1
425.0
1603.1
View list
8
2080108622
Burger, S (Suzanne)
1
1.0
1
0
0
100.0
1178.1
425.0
1603.1
View list
9
2070159249
Baartzes, C (Cleo)
1
1.0
1
0
0
100.0
1198.8
425.0
1623.8
View list
10
2070158345
Arnoldus, M (Marceline)
1
1.0
1
0
0
100.0
1178.1
425.0
1603.1
View list
11
2070108668
Springveldt, D (Deileeya)
1
1.0
1
0
0
100.0
1176.1
425.0
1601.1
View list
12
2080162701
Van Niekerk, M (Mone)
1
1.0
1
0
0
100.0
1179.9
425.0
1604.9
View list
13
2070151322
Alkaster, M (Mianca)
1
0.5
0
1
0
50.0
1176.1
0.0
1176.1
View list
14
2070146746
Robinson, J (Jessica)
1
0.0
0
0
1
0.0
1198.8
-425.0
773.8
View list
15
2070146745
Phillips, Z (Zara-Leigh)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
16
2070115933
Nord, J (Jade)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
17
1060137636
Myoli, O (Oscar)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
18
1060137634
Motasie, S (Sinthle)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
19
1070137715
Mattheys, C (Clyde)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
20
209084197
Crotz, K (Kirsten)
1
0.0
0
0
1
0.0
1178.1
-425.0
753.1
View list