Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Viljoen, J (Juan)
Dob:
2008/07/11 (U18)
Gender:
Male
Chess SA id:
1080155447
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2023/05/27 (362 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
1230.2
Curent Weighted rating
1223.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1230.2
Current floor (min rating allowed)
730.2
Current highest rating achieved
1230.2
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)
±158.8
Current Raw change used (final)
0.0
Projected new Raw rating
1230.2
Projected new Weighed rating
1224.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1230.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1230.2
Projected new floor
730.2
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
1236.0
Curent Weighted rating
1228.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1236.0
Current floor (min rating allowed)
736.0
Current highest rating achieved
1236.0
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)
±157.5
Current Raw change used (final)
0.0
Projected new Raw rating
1236.0
Projected new Weighed rating
1229.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1236.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1236.0
Projected new floor
736.0
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.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Gauteng Schools Individual Finals 2023 (U15 Boys)
2023/05/27
2023/05/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1200.0
1200.0
Analysis
1
D8 Schools Individuals 2023 (U15 Boys)
2023/05/20
2023/05/20
West Rand (GWR)
Standard
60
0.83
5
5
3.0
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
10
6
0
4
6.0
60.0
85.0
1200.7
1285.7
White
5
3
0
2
3.0
60.0
85.0
1198.8
1283.8
Black
5
3
0
2
3.0
60.0
85.0
1202.6
1287.6
Standard
All
10
6
0
4
6.0
60.0
85.0
1200.7
1285.7
White
5
3
0
2
3.0
60.0
85.0
1198.8
1283.8
Black
5
3
0
2
3.0
60.0
85.0
1202.6
1287.6
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
1090156512
Maduna, T (Tshegofatso)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1090112857
Madlabane, N (Ntando)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1080155427
Madigoe, M (Magabe)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1090146002
Mohale, O (Oscar Matheola)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1080155438
Rakgalakane, T (Thato)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
1080145975
Eziama, C (Chinonyelum Devine Favour)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1080143453
Tladi, T (Thoriso)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
1090143447
Radebe, L (Lesedi)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
1090156514
Mehlomakhulu, T (Thato)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
1080154178
Hlophe, L (Luthando)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list