Chess South Africa
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Chess South Africa
Van Der Merwe, IJ (Izak)
Dob:
2007/01/06 (U18)
Gender:
Male
Chess SA id:
107077000
FIDE id:
Region:
Capricorn (LCP)
Citizen:
RSA
Title(s):
Last active:
2018/02/24 (2321 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
727.1
Current Weighted rating
727.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
727.1
Current highest rating achieved
735.0
Current floor (min rating allowed)
500.0
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)
±325.3
Current Raw change used (final)
0.0
Projected new Raw rating
727.1
Projected new Weighed rating
668.9
Projected new Weighted performance
43.5
Projected new final Raw rating (if new WP > new Raw)
727.1
Projected new highest rating
735.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
727.1
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
735.0
Current Weighted rating
735.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
735.0
Current highest rating achieved
735.0
Current floor (min rating allowed)
500.0
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)
±321.6
Current Raw change used (final)
0.0
Projected new Raw rating
735.0
Projected new Weighed rating
676.2
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
735.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
735.0
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
721.0
Current Weighted rating
721.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
721.0
Current highest rating achieved
735.0
Current floor (min rating allowed)
500.0
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)
±328.1
Current Raw change used (final)
0.0
Projected new Raw rating
721.0
Projected new Weighed rating
663.3
Projected new Weighted performance
45.8
Projected new final Raw rating (if new WP > new Raw)
721.0
Projected new highest rating
735.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
721.0
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
735.0
Current Weighted rating
735.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
735.0
Current highest rating achieved
735.0
Current floor (min rating allowed)
500.0
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)
±321.6
Current Raw change used (final)
0.0
Projected new Raw rating
735.0
Projected new Weighed rating
676.2
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
735.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
735.0
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
Welgemoed Chess Challenge 2018 (U12)
2018/02/24
2018/02/24
Cape Town (WCT)
Rapid
30
0.60
5
4
1.0
735.0
735.0
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
4
1
0
3
1.0
25.0
-212.5
882.6
670.1
White
2
1
0
1
1.0
50.0
0.0
1200.0
1200.0
Black
2
0
0
2
0.0
0.0
-425.0
565.3
140.3
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
4
1
0
3
1.0
25.0
-212.5
882.6
670.1
White
2
1
0
1
1.0
50.0
0.0
1200.0
1200.0
Black
2
0
0
2
0.0
0.0
-425.0
565.3
140.3
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
1100097546
Marcus, E (Emarcia)
1
1.0
1
0
0
100.0
735.0
425.0
1160.0
View list
2
108087029
Vorster, P (Paul)
1
0.0
0
0
1
0.0
735.0
-425.0
310.0
View list
3
207087109
Van Beeck, T (Trinity)
1
0.0
0
0
1
0.0
735.0
-425.0
310.0
View list
4
108077365
Davids, RC (Ross)
1
0.0
0
0
1
0.0
735.0
-425.0
310.0
View list
