Chess South Africa
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Chess South Africa
Van Der Merwe, L (Leahanna)
Dob:
2009/04/11 (U16)
Gender:
Female
Chess SA id:
2090145057
FIDE id:
Region:
Gert Sibande (MGS)
Citizen:
RSA
Title(s):
Last active:
2022/08/19 (827 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
1234.8
Current Weighted rating
1234.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1234.8
Current highest rating achieved
1234.8
Current floor (min rating allowed)
734.8
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)
±157.8
Current Raw change used (final)
0.0
Projected new Raw rating
1234.8
Projected new Weighed rating
1136.0
Projected new Weighted performance
329.8
Projected new final Raw rating (if new WP > new Raw)
1234.8
Projected new highest rating
1234.8
Projected new floor
734.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1234.8
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
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
1257.2
Current Weighted rating
1257.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1257.2
Current highest rating achieved
1257.2
Current floor (min rating allowed)
757.2
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)
±152.8
Current Raw change used (final)
0.0
Projected new Raw rating
1257.2
Projected new Weighed rating
1156.6
Projected new Weighted performance
347.1
Projected new final Raw rating (if new WP > new Raw)
1257.2
Projected new highest rating
1257.2
Projected new floor
757.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1257.2
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
1
Gert Sibande Finaal 2022 (Dogters)
2022/08/19
2022/08/19
Gert Sibande (MGS)
Rapid
30
0.60
5
5
4.0
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
4
0
1
4.0
80.0
255.0
1197.8
1452.8
White
3
3
0
0
3.0
100.0
425.0
1192.0
1617.0
Black
2
1
0
1
1.0
50.0
0.0
1206.5
1206.5
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
4
0
1
4.0
80.0
255.0
1197.8
1452.8
White
3
3
0
0
3.0
100.0
425.0
1192.0
1617.0
Black
2
1
0
1
1.0
50.0
0.0
1206.5
1206.5
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
2100145045
Mabizela, N (Nqobile)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
2110143885
Carlson, C (Cassidy)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
2120143879
Swanepoel, J (Jeneska)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
2100145056
Sibande, A (Alwande)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
2100143872
Masango, U (Unathi)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
