Chess South Africa
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Chess South Africa
Van Der Merwe, M (Maryna)
Dob:
2007/12/20 (U18)
Gender:
Female
Chess SA id:
2070111866
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
Last active:
2019/05/04 (1880 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
1073.8
Current Weighted rating
1073.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1073.8
Current highest rating achieved
1142.2
Current floor (min rating allowed)
642.2
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)
±198.5
Current Raw change used (final)
0.0
Projected new Raw rating
1073.8
Projected new Weighed rating
987.9
Projected new Weighted performance
158.2
Projected new final Raw rating (if new WP > new Raw)
1073.8
Projected new highest rating
1142.2
Projected new floor
642.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1073.8
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
1048.4
Current Weighted rating
1048.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1048.4
Current highest rating achieved
1130.0
Current floor (min rating allowed)
630.0
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)
±205.8
Current Raw change used (final)
0.0
Projected new Raw rating
1048.4
Projected new Weighed rating
964.5
Projected new Weighted performance
158.2
Projected new final Raw rating (if new WP > new Raw)
1048.4
Projected new highest rating
1130.0
Projected new floor
630.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1048.4
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
2
D7 Individuals 2019 (U13 Girls)
2019/05/04
2019/05/04
Sedibeng (GSV)
Standard
60
0.83
5
4
0.0
1142.2
1130.0
Analysis
1
Dirk de Koster Chess Open 2019 (D)
2019/04/13
2019/04/13
Sedibeng (GSV)
Standard
61
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
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
1071.7
752.9
White
4
1
0
3
1.0
25.0
-212.5
1037.4
824.9
Black
4
0
0
4
0.0
0.0
-425.0
1106.0
681.0
Standard
All
8
1
0
7
1.0
12.5
-318.8
1071.7
752.9
White
4
1
0
3
1.0
25.0
-212.5
1037.4
824.9
Black
4
0
0
4
0.0
0.0
-425.0
1106.0
681.0
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2070108498
Janse Van Rensburg, L (Lene)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
2070100388
Swart, C (Clarise)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
3
2060113621
Reynhardt, T (Trista)
1
0.0
0
0
1
0.0
1142.2
-425.0
717.2
View list
4
2070097383
Ntema, M (Masetjhaba)
1
0.0
0
0
1
0.0
1142.2
-425.0
717.2
View list
5
107053300
Kriel, Z (Zander)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
207064050
Hansen, M (Mia)
1
0.0
0
0
1
0.0
1142.2
-425.0
717.2
View list
7
1090111864
Groenewaldt, J (Joshua)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
207089251
Fourie, K (Kira)
1
0.0
0
0
1
0.0
1142.2
-425.0
717.2
View list
