Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Bartels, J (Jonah)
Dob:
2010/10/19 (U16)
Gender:
Male
Chess SA id:
1100150470
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2023/07/29 (302 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
1183.4
Curent Weighted rating
1190.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1190.3
Current floor (min rating allowed)
710.0
Current highest rating achieved
1210.0
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)
±169.8
Current Raw change used (final)
0.0
Projected new Raw rating
1183.4
Projected new Weighed rating
1189.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1189.4
Projected effective change (new Official - current Official)
-0.9
Projected new highest rating
1210.0
Projected new floor
710.0
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
1210.8
Curent Weighted rating
1209.5
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1210.8
Current floor (min rating allowed)
710.8
Current highest rating achieved
1210.8
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)
±163.3
Current Raw change used (final)
0.0
Projected new Raw rating
1210.8
Projected new Weighed rating
1209.8
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1210.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1210.8
Projected new floor
710.8
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
1159.6
Curent Weighted rating
1171.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1171.9
Current floor (min rating allowed)
659.6
Current highest rating achieved
1159.6
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)
±175.6
Current Raw change used (final)
0.0
Projected new Raw rating
1159.6
Projected new Weighed rating
1170.1
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1170.1
Projected effective change (new Official - current Official)
-1.8
Projected new highest rating
1159.6
Projected new floor
659.6
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)
659.6
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
659.6
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
CT Metro District North Top Schools Chess 2023 (U13 Mixed)
2023/07/29
2023/07/29
Cape Town (WCT)
Rapid
30
0.60
5
4
1.0
1210.0
1200.0
Analysis
1
North District School Trials 2023 (U13 Boys)
2023/02/03
2023/02/04
Cape Town (WCT)
Standard
60
0.83
6
2
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
6
2
0
4
2.0
33.3
-141.7
1229.9
1088.2
White
4
1
0
3
1.0
25.0
-212.5
1249.6
1037.1
Black
2
1
0
1
1.0
50.0
0.0
1190.4
1190.4
Standard
All
2
1
0
1
1.0
50.0
0.0
1329.3
1329.3
White
1
0
0
1
0.0
0.0
-425.0
1458.7
1033.7
Black
1
1
0
0
1.0
100.0
425.0
1200.0
1625.0
Rapid
All
4
1
0
3
1.0
25.0
-212.5
1180.1
967.6
White
3
1
0
2
1.0
33.3
-141.7
1179.9
1038.2
Black
1
0
0
1
0.0
0.0
-425.0
1180.8
755.8
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
1110150501
Parker, M (Mohammed Ali)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1120150452
Links, T (Tyler)
1
1.0
1
0
0
100.0
1210.0
425.0
1635.0
View list
3
1110150512
Wilschut, M (Marcelino)
1
0.0
0
0
1
0.0
1210.0
-425.0
785.0
View list
4
1110118024
Stander, L (Loghan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1100097531
Solomon, N (Noah)
1
0.0
0
0
1
0.0
1210.0
-425.0
785.0
View list
6
1120157906
Shiriyapenga, J (Joey)
1
0.0
0
0
1
0.0
1210.0
-425.0
785.0
View list
