Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Van Der Merwe, R (Ruben)
Dob:
2009/08/21 (U16)
Gender:
Male
Chess SA id:
1090140262
FIDE id:
Region:
West Rand (GWR)
Citizen:
RSA
Title(s):
Last active:
2022/05/07 (932 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
1181.7
Current Weighted rating
1181.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1181.7
Current highest rating achieved
1181.7
Current floor (min rating allowed)
681.7
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)
±170.2
Current Raw change used (final)
0.0
Projected new Raw rating
1181.7
Projected new Weighed rating
1087.2
Projected new Weighted performance
249.7
Projected new final Raw rating (if new WP > new Raw)
1181.7
Projected new highest rating
1181.7
Projected new floor
681.7
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1181.7
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
1177.6
Current Weighted rating
1177.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1177.6
Current highest rating achieved
1177.6
Current floor (min rating allowed)
677.6
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)
±171.2
Current Raw change used (final)
0.0
Projected new Raw rating
1177.6
Projected new Weighed rating
1083.4
Projected new Weighted performance
249.7
Projected new final Raw rating (if new WP > new Raw)
1177.6
Projected new highest rating
1177.6
Projected new floor
677.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1177.6
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
1
D2 Schools Individuals 2022 (U13 Boys)
2022/05/07
2022/05/07
West Rand (GWR)
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
5
2
0
3
2.0
40.0
-85.0
1185.3
1100.3
White
2
0
0
2
0.0
0.0
-425.0
1171.0
746.0
Black
3
2
0
1
2.0
66.7
141.7
1194.9
1336.6
Standard
All
5
2
0
3
2.0
40.0
-85.0
1185.3
1100.3
White
2
0
0
2
0.0
0.0
-425.0
1171.0
746.0
Black
3
2
0
1
2.0
66.7
141.7
1194.9
1336.6
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
1090136702
Jacob, AK (Abishai)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1090140261
Tobias, Z (Zandre)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1090117297
Perry-Fisher, IE (Iain Eric)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
4
1100140255
Hattingh, R (Robert)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1090113576
Fiford, JA (Jason)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
