Chess South Africa
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Chess South Africa
Mbana, G (Gratten)
Dob:
2005/05/30 (U20)
Gender:
Male
Chess SA id:
1050096891
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2018/03/10 (2451 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
1126.6
Current Weighted rating
1126.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1126.6
Current highest rating achieved
1196.7
Current floor (min rating allowed)
696.7
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)
±184.1
Current Raw change used (final)
0.0
Projected new Raw rating
1126.6
Projected new Weighed rating
1036.5
Projected new Weighted performance
93.8
Projected new final Raw rating (if new WP > new Raw)
1126.6
Projected new highest rating
1196.7
Projected new floor
696.7
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1126.6
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
1114.0
Current Weighted rating
1114.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1114.0
Current highest rating achieved
1195.6
Current floor (min rating allowed)
695.6
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)
±187.4
Current Raw change used (final)
0.0
Projected new Raw rating
1114.0
Projected new Weighed rating
1024.9
Projected new Weighted performance
93.8
Projected new final Raw rating (if new WP > new Raw)
1114.0
Projected new highest rating
1195.6
Projected new floor
695.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1114.0
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
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
2018 WP Schools Closed Trials (U13 Boys)
2018/03/09
2018/03/10
Cape Town (WCT)
Standard
60
0.83
6
6
2.0
1196.7
1195.6
Analysis
1
District North Schools Chess Open Trials 2018 (U13)
2018/02/09
2018/02/10
Cape Town (WCT)
Standard
60
0.83
6
5
3.0
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
11
5
0
6
5.0
45.5
-38.6
1045.8
1007.1
White
5
1
0
4
1.0
20.0
-255.0
1121.0
866.0
Black
6
4
0
2
4.0
66.7
141.7
983.0
1124.7
Standard
All
11
5
0
6
5.0
45.5
-38.6
1045.8
1007.1
White
5
1
0
4
1.0
20.0
-255.0
1121.0
866.0
Black
6
4
0
2
4.0
66.7
141.7
983.0
1124.7
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
2060096905
Abosolon, A (Aliyah)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
106072111
Cronje, C (Christiaan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1050096389
Cable, M (Michael)
1
1.0
1
0
0
100.0
1196.7
425.0
1621.7
View list
4
105073372
Gaertner, F (Fabian)
1
1.0
1
0
0
100.0
1196.7
425.0
1621.7
View list
5
105087139
Visagie, W (Willem)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
105083971
Krynauw, J (Joshua)
1
0.0
0
0
1
0.0
1196.7
-425.0
771.7
View list
7
206075236
Goeieman, J (Jody-Anne)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
105050727
Fourie, G (Gerhardt)
1
0.0
0
0
1
0.0
1196.7
-425.0
771.7
View list
9
2050138672
Fillies, K (Keshe)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
106002408
Blomerus, K (Kian)
1
0.0
0
0
1
0.0
1196.7
-425.0
771.7
View list
11
1060108010
Barry, V (Vineto)
1
0.0
0
0
1
0.0
1196.7
-425.0
771.7
View list
