Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Van Der Heyde, A (Aiza)
Dob:
2013/05/25 (U12)
Gender:
Female
Chess SA id:
2130152316
FIDE id:
Region:
Overberg (WOS)
Citizen:
RSA
Title(s):
Last active:
2023/03/10 (471 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
1189.5
Current Weighted rating
1190.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1190.8
Current highest rating achieved
1189.5
Current floor (min rating allowed)
689.5
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)
±168.3
Current Raw change used (final)
0.0
Projected new Raw rating
1189.5
Projected new Weighed rating
1095.3
Projected new Weighted performance
295.0
Projected new final Raw rating (if new WP > new Raw)
1189.5
Projected new highest rating
1189.5
Projected new floor
689.5
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1189.5
Projected effective change (new Official - current Official)
-1.3
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
1176.0
Current Weighted rating
1178.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1178.9
Current highest rating achieved
1176.0
Current floor (min rating allowed)
676.0
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)
±171.6
Current Raw change used (final)
0.0
Projected new Raw rating
1176.0
Projected new Weighed rating
1084.2
Projected new Weighted performance
310.6
Projected new final Raw rating (if new WP > new Raw)
1176.0
Projected new highest rating
1176.0
Projected new floor
676.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1176.0
Projected effective change (new Official - current Official)
-2.9
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
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
Overberg Primary School Trials (Region 2) 2023 (U11 Girls)
2023/02/24
2023/03/10
Overberg (WOS)
Rapid
20
0.47
6
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
5
1
2
2
2.0
40.0
-85.0
1195.9
1110.9
White
3
1
2
0
2.0
66.7
141.7
1200.0
1341.7
Black
2
0
0
2
0.0
0.0
-425.0
1189.8
764.8
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
1
2
2
2.0
40.0
-85.0
1195.9
1110.9
White
3
1
2
0
2.0
66.7
141.7
1200.0
1341.7
Black
2
0
0
2
0.0
0.0
-425.0
1189.8
764.8
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
2120152315
Van Den Berg, P (Petru)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
2130152314
Shebani, F (Fezan)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
3
2130152313
October, M (Michelle)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
4
2130138501
November, K (Kihara)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
2130152305
Appel, S (Shune)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
