Chess South Africa
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Chess South Africa
Van Der Merwe, J (Juandru)
Dob:
2007/09/16 (U18)
Gender:
Male
Chess SA id:
1070193708
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/02/03 (113 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
1160.8
Curent Weighted rating
1191.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1191.0
Current floor (min rating allowed)
660.8
Current highest rating achieved
1160.8
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)
±175.3
Current Raw change used (final)
0.0
Projected new Raw rating
1160.8
Projected new Weighed rating
1188.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1188.2
Projected effective change (new Official - current Official)
-2.7
Projected new highest rating
1160.8
Projected new floor
660.8
Projected new K-facor
40
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
1149.2
Curent Weighted rating
1188.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1188.3
Current floor (min rating allowed)
649.2
Current highest rating achieved
1149.2
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)
±178.3
Current Raw change used (final)
0.0
Projected new Raw rating
1149.2
Projected new Weighed rating
1184.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1184.8
Projected effective change (new Official - current Official)
-3.6
Projected new highest rating
1149.2
Projected new floor
649.2
Projected new K-facor
40
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
0.0
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
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
0.0
Projected new floor
700.0
Projected new K-facor
40
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
0.0
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
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
0.0
Projected new floor
700.0
Projected new K-facor
40
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
North District School Trials 2024 (U18 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
4
1.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
North District School Trials 2024 (U18 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
4
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
4
1
0
3
1.0
25.0
-212.5
1162.3
949.8
White
2
1
0
1
1.0
50.0
0.0
1215.7
1215.7
Black
2
0
0
2
0.0
0.0
-425.0
1108.8
683.8
Standard
All
4
1
0
3
1.0
25.0
-212.5
1162.3
949.8
White
2
1
0
1
1.0
50.0
0.0
1215.7
1215.7
Black
2
0
0
2
0.0
0.0
-425.0
1108.8
683.8
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
4
1
0
3
1.0
25.0
-212.5
1162.3
949.8
White
2
1
0
1
1.0
50.0
0.0
1215.7
1215.7
Black
2
0
0
2
0.0
0.0
-425.0
1108.8
683.8
Standard
All
4
1
0
3
1.0
25.0
-212.5
1162.3
949.8
White
2
1
0
1
1.0
50.0
0.0
1215.7
1215.7
Black
2
0
0
2
0.0
0.0
-425.0
1108.8
683.8
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
1080190213
Miller, K (Kenwyn)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1080100616
Zeeman, Y (Yoshua Gerber)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
3
1080193703
Niewenhuys, C (Cameron)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
4
108076744
Ma, C (Chengyan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
