Chess South Africa
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Chess South Africa
Van Der Merwe, R (Rian)
Dob:
2015/08/03 (U10)
Gender:
Male
Chess SA id:
1150300707
FIDE id:
Region:
Bojanala Platina (NBR)
Citizen:
RSA
Title(s):
Last active:
2024/04/06 (81 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
1209.8
Current Weighted rating
1202.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1209.8
Current highest rating achieved
1209.8
Current floor (min rating allowed)
709.8
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)
±163.5
Current Raw change used (final)
0.0
Projected new Raw rating
1209.8
Projected new Weighed rating
1106.1
Projected new Weighted performance
714.7
Projected new final Raw rating (if new WP > new Raw)
1209.8
Projected new highest rating
1209.8
Projected new floor
709.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1209.8
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
1209.6
Current Weighted rating
1202.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1209.6
Current highest rating achieved
1209.6
Current floor (min rating allowed)
709.6
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)
±163.6
Current Raw change used (final)
0.0
Projected new Raw rating
1209.6
Projected new Weighed rating
1106.1
Projected new Weighted performance
714.7
Projected new final Raw rating (if new WP > new Raw)
1209.6
Projected new highest rating
1209.6
Projected new floor
709.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1209.6
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
0.0
Current floor (min rating allowed)
700.0
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)
±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
0.0
Projected new floor
700.0
Projected new K-facor
40
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
0.0
Current floor (min rating allowed)
700.0
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)
±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
0.0
Projected new floor
700.0
Projected new K-facor
40
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
Bojanala's Rating Express 2024 (Center Pawns)
2024/04/06
2024/04/06
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.5
1208.3
1209.2
Analysis
1
Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns)
2024/03/16
2024/03/16
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Bojanala's Rating Express 2024 (Center Pawns)
2024/04/06
2024/04/06
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.5
1208.3
1209.2
Analysis
1
Bojanala Silwerrand's Rating Implosion 2024 (Center Pawns)
2024/03/16
2024/03/16
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
10
5
1
4
5.5
55.0
42.5
1187.4
1229.9
White
5
2
1
2
2.5
50.0
0.0
1229.2
1229.2
Black
5
3
0
2
3.0
60.0
85.0
1145.5
1230.5
Standard
All
10
5
1
4
5.5
55.0
42.5
1187.4
1229.9
White
5
2
1
2
2.5
50.0
0.0
1229.2
1229.2
Black
5
3
0
2
3.0
60.0
85.0
1145.5
1230.5
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
10
5
1
4
5.5
55.0
42.5
1187.4
1229.9
White
5
2
1
2
2.5
50.0
0.0
1229.2
1229.2
Black
5
3
0
2
3.0
60.0
85.0
1145.5
1230.5
Standard
All
10
5
1
4
5.5
55.0
42.5
1187.4
1229.9
White
5
2
1
2
2.5
50.0
0.0
1229.2
1229.2
Black
5
3
0
2
3.0
60.0
85.0
1145.5
1230.5
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
2150191451
Sprague, C (Chloe)
2
2.0
2
0
0
100.0
1204.2
425.0
1629.2
View list
2
1160156767
De Jager, L (Luado)
2
0.5
0
1
1
25.0
1204.2
-212.5
991.7
View list
3
1160162283
Rakubutu, P (Pabatso)
2
0.0
0
0
2
0.0
1204.2
-425.0
779.2
View list
4
1160160047
Jonas, M (Minenhle)
1
1.0
1
0
0
100.0
1208.3
425.0
1633.3
View list
5
1150134514
Deysel, E (Eli)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
1170145156
Botha, E (Erasmus Albertus)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1150152081
Swart, J (Jan-Dirk)
1
0.0
0
0
1
0.0
1208.3
-425.0
783.3
View list
