Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
David, Z (Zhu)
Dob:
2011/09/15 (U14)
Gender:
Male
Chess SA id:
1110153201
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2023/05/13 (371 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
1270.3
Curent Weighted rating
1259.5
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1270.3
Current floor (min rating allowed)
770.3
Current highest rating achieved
1270.3
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)
±150.0
Current Raw change used (final)
0.0
Projected new Raw rating
1270.3
Projected new Weighed rating
1261.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1270.3
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1270.3
Projected new floor
770.3
Projected new K-facor
36
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
1279.2
Curent Weighted rating
1267.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1279.2
Current floor (min rating allowed)
779.2
Current highest rating achieved
1279.2
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)
±148.1
Current Raw change used (final)
0.0
Projected new Raw rating
1279.2
Projected new Weighed rating
1269.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1279.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1279.2
Projected new floor
779.2
Projected new K-facor
36
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)
700.0
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
700.0
Projected new K-facor
36
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)
700.0
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
700.0
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
Western Cape PS Individuals 2023 (U13 Boys)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
3.0
1266.1
1279.2
Analysis
2
Eden Trials 2+3 2023 (U14)
2023/04/15
2023/05/13
Eden District (WEG)
Standard
60
0.83
10
0
0.0
1266.1
1279.2
Analysis
1
Eden Trails 1 2023 (U13 Boys)
2023/03/11
2023/03/11
Eden District (WEG)
Standard
60
0.83
5
5
4.0
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
7
0
4
7.0
63.6
115.9
1288.0
1403.9
White
6
4
0
2
4.0
66.7
141.7
1223.5
1365.2
Black
5
3
0
2
3.0
60.0
85.0
1365.3
1450.3
Standard
All
11
7
0
4
7.0
63.6
115.9
1288.0
1403.9
White
6
4
0
2
4.0
66.7
141.7
1223.5
1365.2
Black
5
3
0
2
3.0
60.0
85.0
1365.3
1450.3
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
1100139198
Moos, M (Miandro)
1
1.0
1
0
0
100.0
1266.1
425.0
1691.1
View list
2
1100131365
Michaels, J (Joshua)
1
1.0
1
0
0
100.0
1266.1
425.0
1691.1
View list
3
1100119680
Michaels, B (Bernard)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1100150941
Meyer, M (Mano-Lee)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1100148896
Kennedy, A (Alrich)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
1110136810
Roux, K (Kristin)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1100138334
Pietersen, D (Delmarco)
1
1.0
1
0
0
100.0
1266.1
425.0
1691.1
View list
8
1110108726
Small, Q (Quade)
1
0.0
0
0
1
0.0
1266.1
-425.0
841.1
View list
9
1100134370
Orwin, M (Matthew)
1
0.0
0
0
1
0.0
1266.1
-425.0
841.1
View list
10
1110143082
Oortman, C (Christiano)
1
0.0
0
0
1
0.0
1266.1
-425.0
841.1
View list
11
1110109382
Fourie, L (Loftie)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
