Chess South Africa
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Chess South Africa
Roos, M (Mariska)
Dob:
2012/02/07 (U14)
Gender:
Female
Chess SA id:
2120147409
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2023/03/11 (448 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
1104.2
Curent Weighted rating
1111.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1111.4
Current floor (min rating allowed)
672.6
Current highest rating achieved
1172.6
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)
±190.1
Current Raw change used (final)
0.0
Projected new Raw rating
1104.2
Projected new Weighed rating
1109.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1109.5
Projected effective change (new Official - current Official)
-1.9
Projected new highest rating
1172.6
Projected new floor
672.6
Projected new K-facor
40
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
1111.6
Curent Weighted rating
1120.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1120.3
Current floor (min rating allowed)
662.4
Current highest rating achieved
1162.4
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)
±188.1
Current Raw change used (final)
0.0
Projected new Raw rating
1111.6
Projected new Weighed rating
1118.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1118.2
Projected effective change (new Official - current Official)
-2.1
Projected new highest rating
1162.4
Projected new floor
662.4
Projected new K-facor
40
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
1159.2
Curent Weighted rating
1160.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1160.0
Current floor (min rating allowed)
659.2
Current highest rating achieved
1159.2
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)
±175.7
Current Raw change used (final)
0.0
Projected new Raw rating
1159.2
Projected new Weighed rating
1159.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1159.6
Projected effective change (new Official - current Official)
-0.4
Projected new highest rating
1159.2
Projected new floor
659.2
Projected new K-facor
40
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)
659.2
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
659.2
Projected new K-facor
36
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
3
Eden Trails 1 2023 (U11 Girls)
2023/03/11
2023/03/11
Eden District (WEG)
Standard
60
0.83
5
5
1.0
1142.4
1162.4
Analysis
2
Hessequa Proewe 1 2023 (O11 Dogters)
2023/01/28
2023/01/28
Eden District (WEG)
Standard
60
0.83
5
4
1.0
1172.6
1200.0
Analysis
1
Hessequa Ontwikkeling 2022 (Laerskole)
2022/10/22
2022/10/22
Eden District (WEG)
Rapid
30
0.60
5
5
1.5
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
14
2
3
9
3.5
25.0
-212.5
1190.6
978.1
White
7
0
2
5
1.0
14.3
-303.6
1190.3
886.7
Black
7
2
1
4
2.5
35.7
-121.4
1190.9
1069.5
Standard
All
9
2
0
7
2.0
22.2
-236.1
1194.9
958.8
White
4
0
0
4
0.0
0.0
-425.0
1204.4
779.4
Black
5
2
0
3
2.0
40.0
-85.0
1187.3
1102.3
Rapid
All
5
0
3
2
1.5
30.0
-170.0
1182.9
1012.9
White
3
0
2
1
1.0
33.3
-141.7
1171.5
1029.8
Black
2
0
1
1
0.5
25.0
-212.5
1200.0
987.5
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
2130151020
Snel, C (Caithlin)
1
1.0
1
0
0
100.0
1142.4
425.0
1567.4
View list
2
2130148838
Cullum, A (Abrahmia)
1
1.0
1
0
0
100.0
1172.6
425.0
1597.6
View list
3
1140147388
Hayman, J (Joshua)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
4
1140147387
Grobbelaar, S (Shaun)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
5
1130147370
Breedt, J (Janco)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
6
2120150020
Zwane, O (Othello)
1
0.0
0
0
1
0.0
1142.4
-425.0
717.4
View list
7
2090098402
Treurnicht, C (Chanique)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
2120148890
Theunissen, B (Brooklyn)
1
0.0
0
0
1
0.0
1142.4
-425.0
717.4
View list
9
2130136786
Rall, N (Nora)
1
0.0
0
0
1
0.0
1172.6
-425.0
747.6
View list
10
2120145214
Mzayifani, K (Khanyo)
1
0.0
0
0
1
0.0
1172.6
-425.0
747.6
View list
11
2130136784
Meyer, X (Xaydia)
1
0.0
0
0
1
0.0
1172.6
-425.0
747.6
View list
12
2130136783
Lamprecht, I (Isabella)
1
0.0
0
0
1
0.0
1142.4
-425.0
717.4
View list
13
1120147385
Grassini, S (Savannah)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
14
2120151016
Claassen, K (Katalaya)
1
0.0
0
0
1
0.0
1142.4
-425.0
717.4
View list