Chess South Africa
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Chess South Africa
Van Der Merwe, E (Ethan)
Dob:
2008/06/03 (U18)
Gender:
Male
Chess SA id:
1080159057
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2023/08/19 (275 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
1146.5
Curent Weighted rating
1164.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1164.2
Current floor (min rating allowed)
700.0
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)
±178.9
Current Raw change used (final)
0.0
Projected new Raw rating
1146.5
Projected new Weighed rating
1161.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1161.7
Projected effective change (new Official - current Official)
-2.4
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
1135.2
Curent Weighted rating
1156.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1156.6
Current floor (min rating allowed)
700.0
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)
±181.9
Current Raw change used (final)
0.0
Projected new Raw rating
1135.2
Projected new Weighed rating
1153.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1153.6
Projected effective change (new Official - current Official)
-2.9
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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)
700.0
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
700.0
Projected new K-facor
36
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)
700.0
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
700.0
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
2
2023 Gauteng Top Schools (U15 Mixed)
2023/08/19
2023/08/19
West Rand (GWR)
Standard
60
0.83
5
5
1.0
1177.3
1171.9
Analysis
1
2023 Tshwane South School District CLOSED League Championship (U15)
2023/07/29
2023/07/29
Tshwane (GTP)
Standard
60
0.83
3
3
0.0
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
8
1
0
7
1.0
12.5
-318.8
1315.2
996.4
White
4
0
0
4
0.0
0.0
-425.0
1365.4
940.4
Black
4
1
0
3
1.0
25.0
-212.5
1264.9
1052.4
Standard
All
8
1
0
7
1.0
12.5
-318.8
1315.2
996.4
White
4
0
0
4
0.0
0.0
-425.0
1365.4
940.4
Black
4
1
0
3
1.0
25.0
-212.5
1264.9
1052.4
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
1080137253
Premkumar, H (Harshal)
1
1.0
1
0
0
100.0
1177.3
425.0
1602.3
View list
2
108086772
Zietsman, SC (Steyn)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
3
109059744
Voigt, D (Daniel)
1
0.0
0
0
1
0.0
1177.3
-425.0
752.3
View list
4
109089434
Van Loggerenberg, L (Logan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1080105125
Nason, C (Cyle)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1090161083
Mvabaza, B (Bayethe)
1
0.0
0
0
1
0.0
1177.3
-425.0
752.3
View list
7
1090159697
Morwane, O (Olereabetswe)
1
0.0
0
0
1
0.0
1177.3
-425.0
752.3
View list
8
1090135204
Mabuse, D (Dikgabane)
1
0.0
0
0
1
0.0
1177.3
-425.0
752.3
View list
