Chess South Africa
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Chess South Africa
O`brien, A (Ava)
Dob:
2013/07/24 (U12)
Gender:
Female
Chess SA id:
2130142666
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2022/06/11 (897 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
1147.5
Current Weighted rating
1147.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1147.5
Current highest rating achieved
1175.4
Current floor (min rating allowed)
675.4
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)
±178.7
Current Raw change used (final)
0.0
Projected new Raw rating
1147.5
Projected new Weighed rating
1055.7
Projected new Weighted performance
420.1
Projected new final Raw rating (if new WP > new Raw)
1147.5
Projected new highest rating
1175.4
Projected new floor
675.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1147.5
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
1134.8
Current Weighted rating
1134.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1134.8
Current highest rating achieved
1169.6
Current floor (min rating allowed)
669.6
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)
±182.0
Current Raw change used (final)
0.0
Projected new Raw rating
1134.8
Projected new Weighed rating
1044.0
Projected new Weighted performance
420.1
Projected new final Raw rating (if new WP > new Raw)
1134.8
Projected new highest rating
1169.6
Projected new floor
669.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1134.8
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
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
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)
±165.8
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
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
2
ACB Invitation Chess Tournament 2022 (U9)
2022/06/11
2022/06/11
Ekurhuleni (GE)
Standard
60
0.83
5
4
1.0
1175.4
1169.6
Analysis
1
Ekurhuleni-North Schools Finals Indiv 2022 (U9 Girls)
2022/05/13
2022/05/13
Ekurhuleni (GE)
Standard
60
0.83
5
4
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
8
2
1
5
2.5
31.3
-159.4
1179.2
1019.8
White
4
2
0
2
2.0
50.0
0.0
1167.5
1167.5
Black
4
0
1
3
0.5
12.5
-318.8
1190.9
872.2
Standard
All
8
2
1
5
2.5
31.3
-159.4
1179.2
1019.8
White
4
2
0
2
2.0
50.0
0.0
1167.5
1167.5
Black
4
0
1
3
0.5
12.5
-318.8
1190.9
872.2
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
2130139612
Lingevelder, L (Lazuene)
1
1.0
1
0
0
100.0
1175.4
425.0
1600.4
View list
2
2130142656
Kazanga, A (Aurelie)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
2140139618
Rossner, V (Valkyrie)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
4
2140135386
Van Der Schyff, M (Mila-Ne)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
2130142654
Ferreira, L (Lea Elizabeth)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1130148470
Britt, E (Elijah)
1
0.0
0
0
1
0.0
1175.4
-425.0
750.4
View list
7
1130141553
Backhouse, L (Leandre)
1
0.0
0
0
1
0.0
1175.4
-425.0
750.4
View list
8
2140142650
Abbott, B (Bianca)
1
0.0
0
0
1
0.0
1175.4
-425.0
750.4
View list
