Chess South Africa
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Chess South Africa
Zhu, D (David)
Dob:
2011/09/15 (U14)
Gender:
Male
Chess SA id:
1110108602
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2023/07/01 (323 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
1325.6
Curent Weighted rating
1322.6
Curent Weighted performance
1025.5
Current official/published rating (highest between Raw, WR and WP)
1325.6
Current floor (min rating allowed)
872.9
Current highest rating achieved
1372.9
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)
±138.6
Current Raw change used (final)
0.0
Projected new Raw rating
1325.6
Projected new Weighed rating
1323.2
Projected new Weighted performance
1025.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1325.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1372.9
Projected new floor
872.9
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
1404.6
Curent Weighted rating
1400.5
Curent Weighted performance
1117.3
Current official/published rating (highest between Raw, WR and WP)
1404.6
Current floor (min rating allowed)
904.6
Current highest rating achieved
1404.6
Current K-factor
32
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)
±123.9
Current Raw change used (final)
0.0
Projected new Raw rating
1404.6
Projected new Weighed rating
1401.4
Projected new Weighted performance
1117.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1404.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1404.6
Projected new floor
904.6
Projected new K-facor
32
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
1093.2
Curent Weighted rating
1085.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1093.2
Current floor (min rating allowed)
593.2
Current highest rating achieved
1093.2
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)
±193.1
Current Raw change used (final)
0.0
Projected new Raw rating
1093.2
Projected new Weighed rating
1086.3
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1093.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1093.2
Projected new floor
593.2
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)
593.2
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
593.2
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
13
Knysna Oyster Festival 2023 (Juniors)
2023/07/01
2023/07/01
Eden District (WEG)
Rapid
30
0.60
6
4
2.0
1330.6
1066.8
Analysis
12
2023 Knysna School Trials #1 (U13)
2023/02/04
2023/02/04
Eden District (WEG)
Standard
65
0.85
5
5
4.0
1290.5
1370.4
Analysis
11
Knysna Inter School July 2022
2022/07/06
2022/07/06
Eden District (WEG)
Rapid
35
0.66
6
6
2.0
1372.9
1200.0
Analysis
10
Knysna Oyster Festival Rapid Chess 2022 (B)
2022/07/02
2022/07/02
Eden District (WEG)
Rapid
30
0.60
5
5
1.0
1372.9
1200.0
Analysis
9
Eden Proewe 2 2022 (O11 Seuns)
2022/04/09
2022/04/09
Eden District (WEG)
Standard
65
0.85
5
5
3.0
1342.1
1354.5
Analysis
8
Eden Proewe 1 2022 (O11 Seuns)
2022/03/12
2022/03/12
Eden District (WEG)
Standard
65
0.85
5
5
4.0
1290.1
1297.6
Analysis
7
Knysna School Trials 2022 (U7-U11)
2022/02/26
2022/02/26
Eden District (WEG)
Standard
65
0.85
5
5
4.0
1248.5
1253.0
Analysis
6
Eden Schools Closed Trials 1 2020 (U9 Boys)
2020/03/07
2020/03/07
Eden District (WEG)
Standard
65
0.85
5
5
3.0
1200.0
1203.6
Analysis
5
Knysna School Trials Round 2 2020 (Juniors)
2020/02/22
2020/02/22
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1140.6
1130.0
Analysis
4
Knysna School Trials #1 2020
2020/01/25
2020/01/25
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1144.9
1132.4
Analysis
3
Eden Trials 3 2019 (U10 Open)
2019/05/11
2019/05/11
Eden District (WEG)
Standard
60
0.83
5
5
2.5
1132.9
1114.4
Analysis
2
Knysna School Trials #2 2019
2019/02/16
2019/02/16
Eden District (WEG)
Standard
60
0.83
5
5
2.5
1200.0
1200.0
Analysis
1
Knysna School Trials #1 2019
2019/02/02
2019/02/02
Eden District (WEG)
Standard
60
0.83
5
4
1.0
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
64
33
4
27
35.0
54.7
39.8
1226.4
1266.3
White
30
18
2
10
19.0
63.3
113.3
1194.3
1307.7
Black
34
15
2
17
16.0
47.1
-25.0
1254.7
1229.7
Standard
All
49
28
4
17
30.0
61.2
95.4
1218.9
1314.3
White
22
15
2
5
16.0
72.7
193.2
1192.0
1385.1
Black
27
13
2
12
14.0
51.9
15.7
1240.8
1256.5
Rapid
All
15
5
0
10
5.0
33.3
-141.7
1251.1
1109.4
White
8
3
0
5
3.0
37.5
-106.3
1200.8
1094.6
Black
7
2
0
5
2.0
28.6
-182.1
1308.6
1126.5
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
1110135421
Jacobs, E (Eugeniel)
5
0.0
0
0
5
0.0
1315.0
-425.0
890.0
View list
2
1110137903
Herman, A (Aqeem)
2
2.0
2
0
0
100.0
1372.9
425.0
1797.9
View list
3
110095383
Botha, B (Bertus)
2
1.0
1
0
1
50.0
1200.0
0.0
1200.0
View list
4
1110096203
Le Roux, E (Ebert)
2
1.0
1
0
1
50.0
1316.1
0.0
1316.1
View list
5
1120109662
Roberts, I (Iwan)
2
1.0
1
0
1
50.0
1245.0
0.0
1245.0
View list
6
1050137855
Caba, L (Lunathi)
2
0.0
0
0
2
0.0
1372.9
-425.0
947.9
View list
7
107055598
Moller, R (Ruan)
2
0.0
0
0
2
0.0
1170.3
-425.0
745.3
View list
8
1110137904
Heuer, H (Hayden)
1
1.0
1
0
0
100.0
1248.5
425.0
1673.5
View list
9
1100119437
Jansen Van Rensburg, Z (Zandre)
1
1.0
1
0
0
100.0
1132.9
425.0
1557.9
View list
10
2080131503
Bosman, C (Conlyn)
1
1.0
1
0
0
100.0
1140.6
425.0
1565.6
View list
11
2110137895
Bondt, C (Cu Reeza)
1
1.0
1
0
0
100.0
1290.5
425.0
1715.5
View list
12
1110130855
Cupido, N (Navin-Leigh)
1
1.0
1
0
0
100.0
1290.1
425.0
1715.1
View list
13
2110143226
Chirwa, M (Merina)
1
1.0
1
0
0
100.0
1372.9
425.0
1797.9
View list
14
1090147375
Daniels, C (Charlton - Lee)
1
1.0
1
0
0
100.0
1330.6
425.0
1755.6
View list
15
1120119454
Griebenauw, E (Emmerich)
1
1.0
1
0
0
100.0
1342.1
425.0
1767.1
View list
16
1110131106
Derche-Nortjie, D (Dillon)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
17
1110108151
De Waal, B (Ben)
1
1.0
1
0
0
100.0
1342.1
425.0
1767.1
View list
18
2110149869
Korsten, D (Dominique)
1
1.0
1
0
0
100.0
1290.5
425.0
1715.5
View list
19
2070131509
Kuvaoga, A (Angel)
1
1.0
1
0
0
100.0
1140.6
425.0
1565.6
View list
20
2120137909
Loxton, A (Aneeqa)
1
1.0
1
0
0
100.0
1248.5
425.0
1673.5
View list