Chess South Africa
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Chess South Africa
Johnston, D (Dean)
Dob:
2010/11/16 (U16)
Gender:
Male
Chess SA id:
1100147740
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2023/07/31 (291 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
Curent Raw rating
1152.4
Curent Weighted rating
1159.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1159.4
Current floor (min rating allowed)
686.6
Current highest rating achieved
1186.6
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)
±177.5
Current Raw change used (final)
0.0
Projected new Raw rating
1152.4
Projected new Weighed rating
1158.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1158.0
Projected effective change (new Official - current Official)
-1.3
Projected new highest rating
1186.6
Projected new floor
686.6
Projected new K-facor
40
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
Curent Raw rating
1153.2
Curent Weighted rating
1161.5
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1161.5
Current floor (min rating allowed)
668.0
Current highest rating achieved
1168.0
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)
±177.2
Current Raw change used (final)
0.0
Projected new Raw rating
1153.2
Projected new Weighed rating
1160.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1160.0
Projected effective change (new Official - current Official)
-1.5
Projected new highest rating
1168.0
Projected new floor
668.0
Projected new K-facor
40
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
Curent Raw rating
1178.0
Curent Weighted rating
1179.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1179.1
Current floor (min rating allowed)
678.0
Current highest rating achieved
1178.0
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)
±171.1
Current Raw change used (final)
0.0
Projected new Raw rating
1178.0
Projected new Weighed rating
1178.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1178.7
Projected effective change (new Official - current Official)
-0.4
Projected new highest rating
1178.0
Projected new floor
678.0
Projected new K-facor
40
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
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
678.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
678.0
Projected new K-facor
36
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
3
Bellville Club Championship 2023
2023/04/17
2023/07/31
Cape Town (WCT)
Standard
60
0.83
7
1
0.0
1164.4
1168.0
Analysis
2
North District School Trials 2023 (U13 Boys)
2023/02/03
2023/02/04
Cape Town (WCT)
Standard
60
0.83
6
6
2.0
1186.6
1200.0
Analysis
1
Kenridge Rapid 2022 (U14)
2022/11/05
2022/11/05
Cape Town (WCT)
Rapid
25
0.54
6
6
2.5
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
13
3
3
7
4.5
34.6
-130.8
1216.7
1085.9
White
7
2
1
4
2.5
35.7
-121.4
1224.4
1103.0
Black
6
1
2
3
2.0
33.3
-141.7
1207.7
1066.0
Standard
All
7
1
2
4
2.0
28.6
-182.1
1246.5
1064.4
White
4
0
1
3
0.5
12.5
-318.8
1250.4
931.6
Black
3
1
1
1
1.5
50.0
0.0
1241.4
1241.4
Rapid
All
6
2
1
3
2.5
41.7
-70.8
1181.9
1111.1
White
3
2
0
1
2.0
66.7
141.7
1189.8
1331.4
Black
3
0
1
2
0.5
16.7
-283.3
1174.0
890.7
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
1100147739
Janse Van Rensburg, W (Wian)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1100147737
Boesak, N (Neo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1110150473
Blankenberg, V (Verntaygon)
1
1.0
1
0
0
100.0
1186.6
425.0
1611.6
View list
4
1100119275
Dundee, J (Jonathan)
1
0.5
0
1
0
50.0
1186.6
0.0
1186.6
View list
5
1110150512
Wilschut, M (Marcelino)
1
0.5
0
1
0
50.0
1186.6
0.0
1186.6
View list
6
1090141161
Pillay, D (Desan)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
7
1100134367
Gwanzura, K (Kevin)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
1090138811
Fisher, J (Joshua)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
211087036
Osborne, H (Hannah)
1
0.0
0
0
1
0.0
1164.4
-425.0
739.4
View list
10
1110108081
Muller, H (Helgard)
1
0.0
0
0
1
0.0
1186.6
-425.0
761.6
View list
11
1090137382
Mudenda, D (Daniel)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
12
1100109825
Du Raan, C (Cobus)
1
0.0
0
0
1
0.0
1186.6
-425.0
761.6
View list
13
1100150471
Beukes, T (Thurston)
1
0.0
0
0
1
0.0
1186.6
-425.0
761.6
View list