Chess South Africa
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Chess South Africa
Roff, A (Aaron)
Dob:
2011/05/15 (U14)
Gender:
Male
Chess SA id:
1110131357
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2020/11/29 (1400 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
1256.6
Current Weighted rating
1256.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1256.6
Current highest rating achieved
1281.7
Current floor (min rating allowed)
781.7
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)
±153.0
Current Raw change used (final)
0.0
Projected new Raw rating
1256.6
Projected new Weighed rating
1156.1
Projected new Weighted performance
379.2
Projected new final Raw rating (if new WP > new Raw)
1256.6
Projected new highest rating
1281.7
Projected new floor
781.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1256.6
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
1262.0
Current Weighted rating
1262.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1262.0
Current highest rating achieved
1298.4
Current floor (min rating allowed)
798.4
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)
±151.8
Current Raw change used (final)
0.0
Projected new Raw rating
1262.0
Projected new Weighed rating
1161.0
Projected new Weighted performance
379.2
Projected new final Raw rating (if new WP > new Raw)
1262.0
Projected new highest rating
1298.4
Projected new floor
798.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1262.0
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
Goforchess Junior Chess Championship 2 2020
2020/11/29
2020/11/29
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1281.7
1298.4
Analysis
1
Goforchess Introduction to Chess Tournament 2020 (Beginners)
2020/02/16
2020/02/16
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
5.0
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
10
7
0
3
7.0
70.0
170.0
1207.8
1377.8
White
5
4
0
1
4.0
80.0
255.0
1192.4
1447.4
Black
5
3
0
2
3.0
60.0
85.0
1223.2
1308.2
Standard
All
10
7
0
3
7.0
70.0
170.0
1207.8
1377.8
White
5
4
0
1
4.0
80.0
255.0
1192.4
1447.4
Black
5
3
0
2
3.0
60.0
85.0
1223.2
1308.2
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
1100131356
Niebuhr, T (Thomas)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1120131354
Jansson, L (Leo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1090131352
Bonomi, E (Eva Bella)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1110131351
Bolarinwa, O (Octavia)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1110133758
Bloem, J (James)
1
1.0
1
0
0
100.0
1281.7
425.0
1706.7
View list
6
1090131358
Theron, D (Daniel)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1090133761
Wilson-Prangley, W (William)
1
1.0
1
0
0
100.0
1281.7
425.0
1706.7
View list
8
1110112164
Vendidandi, CK (Chaitanya Kartik)
1
0.0
0
0
1
0.0
1281.7
-425.0
856.7
View list
9
1130116883
Tak, R (Rannveer)
1
0.0
0
0
1
0.0
1281.7
-425.0
856.7
View list
10
2120109902
Suresh, A (Aaradhya)
1
0.0
0
0
1
0.0
1281.7
-425.0
856.7
View list
