Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Naidoo, Z (Zahrah)
Dob:
2009/02/21 (U16)
Gender:
Female
Chess SA id:
2090155610
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2023/05/19 (555 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
1206.7
Current Weighted rating
1206.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1206.7
Current highest rating achieved
1206.7
Current floor (min rating allowed)
706.7
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)
±164.2
Current Raw change used (final)
0.0
Projected new Raw rating
1206.7
Projected new Weighed rating
1109.9
Projected new Weighted performance
323.2
Projected new final Raw rating (if new WP > new Raw)
1206.7
Projected new highest rating
1206.7
Projected new floor
706.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1206.7
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
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
1216.6
Current Weighted rating
1215.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1216.6
Current highest rating achieved
1216.6
Current floor (min rating allowed)
716.6
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)
±161.9
Current Raw change used (final)
0.0
Projected new Raw rating
1216.6
Projected new Weighed rating
1118.7
Projected new Weighted performance
340.2
Projected new final Raw rating (if new WP > new Raw)
1216.6
Projected new highest rating
1216.6
Projected new floor
716.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1216.6
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
1
Gauteng Open Arnold Classic 2023 (U16)
2023/05/19
2023/05/19
Tshwane (GTP)
Rapid
30
0.60
5
5
3.0
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
5
3
0
2
3.0
60.0
85.0
1175.2
1260.2
White
3
1
0
2
1.0
33.3
-141.7
1158.7
1017.0
Black
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
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
5
3
0
2
3.0
60.0
85.0
1175.2
1260.2
White
3
1
0
2
1.0
33.3
-141.7
1158.7
1017.0
Black
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1090155570
Evans, L (Lucas)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1110155562
Cabral, S (Sebastiao)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1090144433
Ussuph, Y (Yahya)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
2080145985
Ledwaba, K (Kwanelo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1090139531
Abbott, J (Janco)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
