Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Collison, D (David)
Dob:
2006/07/22 (U20)
Gender:
Male
Chess SA id:
1060096530
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2023/02/04 (472 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
890.1
Curent Weighted rating
882.0
Curent Weighted performance
661.6
Current official/published rating (highest between Raw, WR and WP)
890.1
Current floor (min rating allowed)
500.0
Current highest rating achieved
890.1
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)
±257.9
Current Raw change used (final)
0.0
Projected new Raw rating
890.1
Projected new Weighed rating
883.7
Projected new Weighted performance
661.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
890.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
890.1
Projected new floor
500.0
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
941.6
Curent Weighted rating
933.6
Curent Weighted performance
656.8
Current official/published rating (highest between Raw, WR and WP)
941.6
Current floor (min rating allowed)
500.0
Current highest rating achieved
941.6
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)
±239.6
Current Raw change used (final)
0.0
Projected new Raw rating
941.6
Projected new Weighed rating
935.4
Projected new Weighted performance
656.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
941.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
941.6
Projected new floor
500.0
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
540.0
Curent Weighted rating
540.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
540.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
540.0
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)
±424.6
Current Raw change used (final)
0.0
Projected new Raw rating
540.0
Projected new Weighed rating
540.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
540.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
540.0
Projected new floor
500.0
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
540.0
Curent Weighted rating
540.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
540.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
540.0
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)
±424.6
Current Raw change used (final)
0.0
Projected new Raw rating
540.0
Projected new Weighed rating
540.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
540.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
540.0
Projected new floor
500.0
Projected new K-facor
40
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
8
Central District School Trials 2023 (U17 Boys)
2023/02/03
2023/02/04
Cape Town (WCT)
Standard
60
0.83
6
5
2.0
828.4
874.8
Analysis
7
2020 Metro Trials (U15 Boys)
2020/03/13
2020/03/14
Cape Town (WCT)
Standard
60
0.83
5
5
2.0
767.0
804.4
Analysis
6
2020 Central District (U15)
2020/02/07
2020/02/08
Cape Town (WCT)
Standard
60
0.83
6
6
3.0
670.4
692.0
Analysis
5
2019 Western Province League (C)
2019/07/27
2019/09/07
Cape Town (WCT)
Standard
120
1.00
11
1
0.0
670.8
692.4
Analysis
4
2018 Western Province League (E)
2018/08/04
2018/09/15
Cape Town (WCT)
Standard
60
0.83
7
3
0.5
660.8
683.6
Analysis
3
2018 WP Schools Closed Trials (U13 Boys)
2018/03/09
2018/03/10
Cape Town (WCT)
Standard
60
0.83
6
5
1.0
637.6
657.6
Analysis
2
District East Schools Chess Open Trials 2018 (U13)
2018/02/02
2018/02/03
Cape Town (WCT)
Standard
60
0.83
6
1
0.0
540.0
540.0
Analysis
1
WP District South 2018 (U13)
2018/02/01
2018/02/02
Cape Town (WCT)
Standard
60
0.83
6
5
3.0
540.0
540.0
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
31
11
1
19
11.5
37.1
-109.7
1215.6
1105.9
White
15
6
1
8
6.5
43.3
-56.7
1172.1
1115.4
Black
16
5
0
11
5.0
31.3
-159.4
1256.4
1097.0
Standard
All
31
11
1
19
11.5
37.1
-109.7
1215.6
1105.9
White
15
6
1
8
6.5
43.3
-56.7
1172.1
1115.4
Black
16
5
0
11
5.0
31.3
-159.4
1256.4
1097.0
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
105088266
Van Tonder, K (Kian)
2
1.0
1
0
1
50.0
588.8
0.0
588.8
View list
2
2050096404
Mqikela, K (Kamvalethu)
2
0.0
0
0
2
0.0
600.4
-425.0
175.4
View list
3
1060150616
Liebenberg, S (Skylar)
1
1.0
1
0
0
100.0
828.4
425.0
1253.4
View list
4
1060096399
Mentoor, M (Micah)
1
1.0
1
0
0
100.0
540.0
425.0
965.0
View list
5
1060130956
Harneker, Z (Zuhayr)
1
1.0
1
0
0
100.0
670.4
425.0
1095.4
View list
6
2060096428
Engel, E (Emily)
1
1.0
1
0
0
100.0
540.0
425.0
965.0
View list
7
1060133291
Davids, S (Shakeer)
1
1.0
1
0
0
100.0
767.0
425.0
1192.0
View list
8
1070150610
Clark, A (Ameer)
1
1.0
1
0
0
100.0
828.4
425.0
1253.4
View list
9
2060108409
Chaka, N (Nokutenda)
1
1.0
1
0
0
100.0
670.4
425.0
1095.4
View list
10
2050096422
Hove, C (Chichi)
1
1.0
1
0
0
100.0
540.0
425.0
965.0
View list
11
1060110713
Pheiffers, G (Gary)
1
1.0
1
0
0
100.0
767.0
425.0
1192.0
View list
12
205053371
Yacoob, A (Ameera)
1
1.0
1
0
0
100.0
670.4
425.0
1095.4
View list
13
1030100460
Hartzenberg, L (Luciano)
1
0.5
0
1
0
50.0
660.8
0.0
660.8
View list
14
106051730
Perkins, R (Ryan)
1
0.0
0
0
1
0.0
637.6
-425.0
212.6
View list
15
181029501
Paulse, AL (Angelo)
1
0.0
0
0
1
0.0
670.8
-425.0
245.8
View list
16
1050108039
Mnyasta, C (Charlton)
1
0.0
0
0
1
0.0
767.0
-425.0
342.0
View list
17
106089505
Mchontsi, A (Ayabonga)
1
0.0
0
0
1
0.0
828.4
-425.0
403.4
View list
18
1060150618
Marsh, A (Aiden)
1
0.0
0
0
1
0.0
828.4
-425.0
403.4
View list
19
106053758
Lombard, WS (Waide)
1
0.0
0
0
1
0.0
637.6
-425.0
212.6
View list
20
105083544
Joubert, K (Keegan)
1
0.0
0
0
1
0.0
540.0
-425.0
115.0
View list