Chess South Africa
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Chess South Africa
Serfontein, D (Devin)
Dob:
2009/08/12 (U16)
Gender:
Male
Chess SA id:
1090098144
FIDE id:
Region:
Mangaung (FMB)
Citizen:
RSA
Title(s):
Last active:
2018/04/21 (2258 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
1133.1
Current Weighted rating
1133.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1133.1
Current highest rating achieved
1166.4
Current floor (min rating allowed)
666.4
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)
±182.4
Current Raw change used (final)
0.0
Projected new Raw rating
1133.1
Projected new Weighed rating
1042.5
Projected new Weighted performance
129.0
Projected new final Raw rating (if new WP > new Raw)
1133.1
Projected new highest rating
1166.4
Projected new floor
666.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1133.1
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
1118.8
Current Weighted rating
1118.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1118.8
Current highest rating achieved
1160.0
Current floor (min rating allowed)
660.0
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)
±186.2
Current Raw change used (final)
0.0
Projected new Raw rating
1118.8
Projected new Weighed rating
1029.3
Projected new Weighted performance
129.0
Projected new final Raw rating (if new WP > new Raw)
1118.8
Projected new highest rating
1160.0
Projected new floor
660.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1118.8
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
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
Mangaung Metro Chess 20-21 April 2018 (E)
2018/04/20
2018/04/21
Mangaung (FMB)
Standard
62
0.84
5
5
2.5
1166.4
1160.0
Analysis
1
Mangaung Metro Chess 9 - 10 March 2018 (F)
2018/03/09
2018/03/10
Mangaung (FMB)
Standard
62
0.84
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
9
2
3
4
3.5
38.9
-94.4
1070.8
976.4
White
5
1
3
1
2.5
50.0
0.0
1077.9
1077.9
Black
4
1
0
3
1.0
25.0
-212.5
1061.9
849.4
Standard
All
9
2
3
4
3.5
38.9
-94.4
1070.8
976.4
White
5
1
3
1
2.5
50.0
0.0
1077.9
1077.9
Black
4
1
0
3
1.0
25.0
-212.5
1061.9
849.4
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
1090096009
Pelesa, O (Oratilwe)
1
1.0
1
0
0
100.0
1166.4
425.0
1591.4
View list
2
108086942
Ceriono, E (Evert)
1
1.0
1
0
0
100.0
1166.4
425.0
1591.4
View list
3
1090098142
Langford, L (Luke)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
4
1090098143
Yao, C (Christ David)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
5
1070100905
Chen, M (Mengo)
1
0.5
0
1
0
50.0
1166.4
0.0
1166.4
View list
6
207064253
Melville, J (Joalize)
1
0.0
0
0
1
0.0
1166.4
-425.0
741.4
View list
7
107064251
Kriel, R (Ruan)
1
0.0
0
0
1
0.0
1166.4
-425.0
741.4
View list
8
1100098148
De Villiers, H (Hendrik)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
1100098146
Andrews, E (Ethan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
