Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Du Preez, J (Jody)
Dob:
2013/10/29 (U12)
Gender:
Male
Chess SA id:
1130156835
FIDE id:
Region:
Pixley-ka-Seme (NCP)
Citizen:
RSA
Title(s):
Last active:
2024/04/13 (35 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
1143.8
Curent Weighted rating
1146.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1146.2
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)
±179.6
Current Raw change used (final)
0.0
Projected new Raw rating
1143.8
Projected new Weighed rating
1144.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1144.7
Projected effective change (new Official - current Official)
-1.5
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
1137.4
Curent Weighted rating
1137.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1137.4
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)
±181.3
Current Raw change used (final)
0.0
Projected new Raw rating
1137.4
Projected new Weighed rating
1135.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1137.4
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
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
2024 HSDA Schools Tournament II (U9+U11)
2024/04/13
2024/04/13
Pixley-ka-Seme (NCP)
Standard
60
0.83
5
5
2.5
1129.5
1117.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
2024 HSDA Schools Tournament II (U9+U11)
2024/04/13
2024/04/13
Pixley-ka-Seme (NCP)
Standard
60
0.83
5
5
2.5
1129.5
1117.2
Analysis
1
Hopetown School Chess Open Tournament 2023 (U11+U13)
2023/05/06
2023/05/06
Pixley-ka-Seme (NCP)
Standard
62
0.84
5
5
0.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
2
1
2
2.5
50.0
0.0
1205.4
1205.4
White
2
1
1
0
1.5
75.0
212.5
1168.4
1380.9
Black
3
1
0
2
1.0
33.3
-141.7
1230.1
1088.4
Standard
All
5
2
1
2
2.5
50.0
0.0
1205.4
1205.4
White
2
1
1
0
1.5
75.0
212.5
1168.4
1380.9
Black
3
1
0
2
1.0
33.3
-141.7
1230.1
1088.4
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
2
2
6
3.0
30.0
-170.0
1170.3
1000.3
White
4
1
1
2
1.5
37.5
-106.3
1163.4
1057.2
Black
6
1
1
4
1.5
25.0
-212.5
1175.0
962.5
Standard
All
10
2
2
6
3.0
30.0
-170.0
1170.3
1000.3
White
4
1
1
2
1.5
37.5
-106.3
1163.4
1057.2
Black
6
1
1
4
1.5
25.0
-212.5
1175.0
962.5
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
1140191644
Mahapa, L (Lesedi)
1
1.0
1
0
0
100.0
1129.5
425.0
1554.5
View list
2
1150301745
Viljoen, B (Benjamin)
1
1.0
1
0
0
100.0
1129.5
425.0
1554.5
View list
3
1140191648
Oberholzer, B (Benji)
1
0.5
0
1
0
50.0
1129.5
0.0
1129.5
View list
4
1120156833
Biko, L (Lihlumile)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
5
1140191929
Retief, J (Johannes)
1
0.0
0
0
1
0.0
1129.5
-425.0
704.5
View list
6
1120146484
Pretorius, J (Johannes)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
1120134186
Potgieter, M (Martin-Juan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
1130159420
De Kock, M (Micah)
1
0.0
0
0
1
0.0
1129.5
-425.0
704.5
View list
9
1100141144
Boucher, R (Ryann)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
2110105341
Botha, A (Ane)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
