Chess South Africa
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Chess South Africa
Darby, M (Mande-Marie)
Dob:
2008/04/09 (U18)
Gender:
Female
Chess SA id:
2080152207
FIDE id:
Region:
(CSA)
Citizen:
RSA
Title(s):
Last active:
2023/08/05 (326 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
1124.2
Current Weighted rating
1142.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1142.2
Current highest rating achieved
1190.0
Current floor (min rating allowed)
690.0
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)
±184.7
Current Raw change used (final)
0.0
Projected new Raw rating
1124.2
Projected new Weighed rating
1049.4
Projected new Weighted performance
683.7
Projected new final Raw rating (if new WP > new Raw)
1124.2
Projected new highest rating
1190.0
Projected new floor
690.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1124.2
Projected effective change (new Official - current Official)
-18.0
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
1131.2
Current Weighted rating
1152.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1152.1
Current highest rating achieved
1131.2
Current floor (min rating allowed)
631.2
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)
±182.9
Current Raw change used (final)
0.0
Projected new Raw rating
1131.2
Projected new Weighed rating
1058.6
Projected new Weighted performance
273.8
Projected new final Raw rating (if new WP > new Raw)
1131.2
Projected new highest rating
1131.2
Projected new floor
631.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1131.2
Projected effective change (new Official - current Official)
-20.9
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
1133.2
Current Weighted rating
1139.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1139.6
Current highest rating achieved
1136.8
Current floor (min rating allowed)
636.8
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)
±182.4
Current Raw change used (final)
0.0
Projected new Raw rating
1133.2
Projected new Weighed rating
1047.4
Projected new Weighted performance
555.1
Projected new final Raw rating (if new WP > new Raw)
1133.2
Projected new highest rating
1136.8
Projected new floor
636.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1133.2
Projected effective change (new Official - current Official)
-6.4
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
4
Overberg Top Schools 2023 (U15+U18)
2023/08/05
2023/08/05
Overberg (WOS)
Standard
60
0.83
5
5
1.0
1171.0
1200.0
Analysis
3
Hermanus Rapid 2023 (C)
2023/04/22
2023/04/22
Overberg (WOS)
Rapid
25
0.54
6
6
2.5
1190.0
1136.8
Analysis
2
Overberg High Schools Trails 2023 (U17)
2023/02/24
2023/02/24
Overberg (WOS)
Rapid
15
0.39
5
1
0.0
1200.0
1200.0
Analysis
1
Overberg High Schools Trails 2023 (U15)
2023/02/24
2023/02/24
Overberg (WOS)
Rapid
15
0.39
5
5
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
17
5
1
11
5.5
32.4
-150.0
1190.3
1040.3
White
8
3
0
5
3.0
37.5
-106.3
1165.3
1059.1
Black
9
2
1
6
2.5
27.8
-188.9
1212.5
1023.6
Standard
All
5
1
0
4
1.0
20.0
-255.0
1179.7
924.7
White
2
0
0
2
0.0
0.0
-425.0
1213.3
788.3
Black
3
1
0
2
1.0
33.3
-141.7
1157.3
1015.7
Rapid
All
12
4
1
7
4.5
37.5
-106.3
1194.7
1088.5
White
6
3
0
3
3.0
50.0
0.0
1149.3
1149.3
Black
6
1
1
4
1.5
25.0
-212.5
1240.1
1027.6
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
2080152221
Stratford, E (Emily)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1090150670
Witbooi, G (Gere)
1
1.0
1
0
0
100.0
1171.0
425.0
1596.0
View list
3
2100133314
Mazala, A (Asakhe)
1
1.0
1
0
0
100.0
1190.0
425.0
1615.0
View list
4
1120108082
Palmer, J (Jordan)
1
1.0
1
0
0
100.0
1190.0
425.0
1615.0
View list
5
2080152218
Orson, E (Engela)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
1090152212
Janse Van Vuuren, A (Abri)
1
0.5
0
1
0
50.0
1190.0
0.0
1190.0
View list
7
1070111524
Witbooi, J (Juan)
1
0.0
0
0
1
0.0
1171.0
-425.0
746.0
View list
8
1140139715
Van Zyl, E (Ethan)
1
0.0
0
0
1
0.0
1190.0
-425.0
765.0
View list
9
209091614
Pekeur, N (Nicole)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
208094918
Mdlokovane, S (Sphendulwe)
1
0.0
0
0
1
0.0
1171.0
-425.0
746.0
View list
11
2080110744
Mackenzie, E (Erin-Lee)
1
0.0
0
0
1
0.0
1171.0
-425.0
746.0
View list
12
1060138412
Harmse, J (Jaques)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
13
1100116673
Fourie, E (Ewie)
1
0.0
0
0
1
0.0
1190.0
-425.0
765.0
View list
14
1090130181
Du Plessis, MA (Matthys)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
1060106598
Du Plessis, LJ (Lodewyk Johannes)
1
0.0
0
0
1
0.0
1171.0
-425.0
746.0
View list
16
208084107
Beveridge, TG (Talitha)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
17
109094685
Beveridge, J (Jesse)
1
0.0
0
0
1
0.0
1190.0
-425.0
765.0
View list