Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Effendi, D (Derren)
Dob:
2000/10/12 (Adult)
Gender:
Female
Chess SA id:
200078504
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2018/03/10 (2449 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
554.7
Current Weighted rating
554.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
554.7
Current highest rating achieved
554.7
Current floor (min rating allowed)
500.0
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)
±415.8
Current Raw change used (final)
0.0
Projected new Raw rating
554.7
Projected new Weighed rating
510.3
Projected new Weighted performance
84.4
Projected new final Raw rating (if new WP > new Raw)
554.7
Projected new highest rating
554.7
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
554.7
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
565.6
Current Weighted rating
565.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
565.6
Current highest rating achieved
565.6
Current floor (min rating allowed)
500.0
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)
±409.4
Current Raw change used (final)
0.0
Projected new Raw rating
565.6
Projected new Weighed rating
520.4
Projected new Weighted performance
84.4
Projected new final Raw rating (if new WP > new Raw)
565.6
Projected new highest rating
565.6
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
565.6
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
503.6
Current Weighted rating
503.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
503.6
Current highest rating achieved
503.6
Current floor (min rating allowed)
500.0
Current K-factor
40
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)
±447.2
Current Raw change used (final)
0.0
Projected new Raw rating
503.6
Projected new Weighed rating
463.3
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
503.6
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
503.6
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
503.6
Current Weighted rating
503.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
503.6
Current highest rating achieved
503.6
Current floor (min rating allowed)
500.0
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)
±447.2
Current Raw change used (final)
0.0
Projected new Raw rating
503.6
Projected new Weighed rating
463.3
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
503.6
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
503.6
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
2
2018 D4 Tshwane North Individual Chess Championships (U19 Girls)
2018/03/10
2018/03/10
Tshwane (GTP)
Standard
60
0.83
5
3
2.0
501.2
501.2
Analysis
1
South African Junior Team Championships 2017 (U16-U20 Girls)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
5
0.5
503.6
503.6
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
8
1
3
4
2.5
31.3
-159.4
965.4
806.0
White
4
1
0
3
1.0
25.0
-212.5
970.5
758.0
Black
4
0
3
1
1.5
37.5
-106.3
960.3
854.0
Standard
All
8
1
3
4
2.5
31.3
-159.4
965.4
806.0
White
4
1
0
3
1.0
25.0
-212.5
970.5
758.0
Black
4
0
3
1
1.5
37.5
-106.3
960.3
854.0
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
299065839
Mamabolo, AR (Agisanang Rose)
1
1.0
1
0
0
100.0
501.2
425.0
926.2
View list
2
200089729
Jaichand, Y (Yuvana)
1
0.5
0
1
0
50.0
501.2
0.0
501.2
View list
3
2020098569
Govender, A (Arasi)
1
0.5
0
1
0
50.0
501.2
0.0
501.2
View list
4
200061346
Mbele, R (Reabetswe)
1
0.5
0
1
0
50.0
503.6
0.0
503.6
View list
5
200034038
Seloana, MA (Mosa)
1
0.0
0
0
1
0.0
503.6
-425.0
78.6
View list
6
203024577
Moloto, A (Amogelang)
1
0.0
0
0
1
0.0
503.6
-425.0
78.6
View list
7
202051968
Fredericks, J (Janine)
1
0.0
0
0
1
0.0
503.6
-425.0
78.6
View list
8
203059522
Botha, L (Le-Ri)
1
0.0
0
0
1
0.0
503.6
-425.0
78.6
View list