Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Jacobs, J (Jayvyn)
Dob:
2013/06/10 (U12)
Gender:
Male
Chess SA id:
1130301394
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/03/02 (96 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
1205.0
Curent Weighted rating
1201.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1205.0
Current floor (min rating allowed)
705.0
Current highest rating achieved
1205.0
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)
±164.6
Current Raw change used (final)
0.0
Projected new Raw rating
1205.0
Projected new Weighed rating
1201.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1205.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1205.0
Projected new floor
705.0
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
0.0
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)
±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
0.0
Projected new floor
700.0
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
1201.6
Curent Weighted rating
1200.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1201.6
Current floor (min rating allowed)
701.6
Current highest rating achieved
1201.6
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)
±165.4
Current Raw change used (final)
0.0
Projected new Raw rating
1201.6
Projected new Weighed rating
1200.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1201.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1201.6
Projected new floor
701.6
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)
701.6
Current highest rating achieved
0.0
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)
±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
0.0
Projected new floor
701.6
Projected new K-facor
40
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Kempton Park Cluster Individuals 2024 (U11 Boys)
2024/03/02
2024/03/02
Ekurhuleni (GE)
Rapid
30
0.60
5
5
2.5
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
Kempton Park Cluster Individuals 2024 (U11 Boys)
2024/03/02
2024/03/02
Ekurhuleni (GE)
Rapid
30
0.60
5
5
2.5
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
1244.4
1244.4
White
3
1
0
2
1.0
33.3
-141.7
1273.9
1132.3
Black
2
1
1
0
1.5
75.0
212.5
1200.0
1412.5
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
5
2
1
2
2.5
50.0
0.0
1244.4
1244.4
White
3
1
0
2
1.0
33.3
-141.7
1273.9
1132.3
Black
2
1
1
0
1.5
75.0
212.5
1200.0
1412.5
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
2
1
2
2.5
50.0
0.0
1244.4
1244.4
White
3
1
0
2
1.0
33.3
-141.7
1273.9
1132.3
Black
2
1
1
0
1.5
75.0
212.5
1200.0
1412.5
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
5
2
1
2
2.5
50.0
0.0
1244.4
1244.4
White
3
1
0
2
1.0
33.3
-141.7
1273.9
1132.3
Black
2
1
1
0
1.5
75.0
212.5
1200.0
1412.5
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
1140301408
Rodgers, S (Shiloh)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1130139606
Bodha, A (Aryan Aiden)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1130301406
Nthuli, A (Abraham)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
4
1130141581
Van Staden, J (Jayden)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1140134624
Opperman, N (Naude)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
