Chess South Africa
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Chess South Africa
Van Der Merwe, L (Liehann)
Dob:
2013/10/15 (U12)
Gender:
Male
Chess SA id:
1130152083
FIDE id:
Region:
Bojanala Platina (NBR)
Citizen:
RSA
Title(s):
Last active:
2023/05/13 (407 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
1114.0
Current Weighted rating
1128.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1128.6
Current highest rating achieved
1182.1
Current floor (min rating allowed)
682.1
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)
±187.4
Current Raw change used (final)
0.0
Projected new Raw rating
1114.0
Projected new Weighed rating
1036.8
Projected new Weighted performance
459.1
Projected new final Raw rating (if new WP > new Raw)
1114.0
Projected new highest rating
1182.1
Projected new floor
682.1
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1114.0
Projected effective change (new Official - current Official)
-14.6
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
1096.4
Current Weighted rating
1114.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1114.0
Current highest rating achieved
1178.4
Current floor (min rating allowed)
678.4
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)
±192.2
Current Raw change used (final)
0.0
Projected new Raw rating
1096.4
Projected new Weighed rating
1023.0
Projected new Weighted performance
459.1
Projected new final Raw rating (if new WP > new Raw)
1096.4
Projected new highest rating
1178.4
Projected new floor
678.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1096.4
Projected effective change (new Official - current Official)
-17.6
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
Olienpark - 2nd One for the Ages 2023 (U12)
2023/05/13
2023/05/13
Bojanala Platina (NBR)
Standard
60
0.83
5
4
0.0
1182.1
1178.4
Analysis
1
Schoemies Kings & Queens 2023 (Development)
2023/03/18
2023/03/18
Bojanala Platina (NBR)
Standard
60
0.83
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
9
1
2
6
2.0
22.2
-236.1
1179.2
943.1
White
4
0
2
2
1.0
25.0
-212.5
1182.1
969.6
Black
5
1
0
4
1.0
20.0
-255.0
1176.9
921.9
Standard
All
9
1
2
6
2.0
22.2
-236.1
1179.2
943.1
White
4
0
2
2
1.0
25.0
-212.5
1182.1
969.6
Black
5
1
0
4
1.0
20.0
-255.0
1176.9
921.9
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
1150152079
Scholtz, C (Corniel)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
2110152048
De Lange, I (Inge)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
3
1150152078
Pieterse, J (Jurgens)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
4
2130156752
Van Oudtshoorn, R (Roché)
1
0.0
0
0
1
0.0
1182.1
-425.0
757.1
View list
5
1150152074
Evans, B (Bernard)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1140152072
Du Toit, A (Aiden)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
2130141558
De Beer, M (Maroshe Jaqueline)
1
0.0
0
0
1
0.0
1182.1
-425.0
757.1
View list
8
1130152071
De Beer, J (Jayden)
1
0.0
0
0
1
0.0
1182.1
-425.0
757.1
View list
9
2130135836
Chaudhry, J (Juwairiyyah)
1
0.0
0
0
1
0.0
1182.1
-425.0
757.1
View list
