Chess South Africa
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Chess South Africa
Kata, J (Jonathan)
Dob:
2008/03/23 (U18)
Gender:
Male
Chess SA id:
108071874
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2023/10/23 (209 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
1380.0
Curent Weighted rating
1363.4
Curent Weighted performance
1061.3
Current official/published rating (highest between Raw, WR and WP)
1380.0
Current floor (min rating allowed)
880.0
Current highest rating achieved
1380.0
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)
±128.3
Current Raw change used (final)
0.0
Projected new Raw rating
1380.0
Projected new Weighed rating
1365.9
Projected new Weighted performance
1061.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1380.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1380.0
Projected new floor
880.0
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
1385.9
Curent Weighted rating
1364.5
Curent Weighted performance
1062.4
Current official/published rating (highest between Raw, WR and WP)
1385.9
Current floor (min rating allowed)
885.9
Current highest rating achieved
1385.9
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)
±127.2
Current Raw change used (final)
0.0
Projected new Raw rating
1385.9
Projected new Weighed rating
1367.7
Projected new Weighted performance
1062.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1385.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1385.9
Projected new floor
885.9
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
795.2
Curent Weighted rating
795.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
795.2
Current floor (min rating allowed)
500.0
Current highest rating achieved
795.2
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)
±295.2
Current Raw change used (final)
0.0
Projected new Raw rating
795.2
Projected new Weighed rating
795.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
795.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
795.2
Projected new floor
500.0
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
795.2
Curent Weighted rating
795.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
795.2
Current floor (min rating allowed)
500.0
Current highest rating achieved
795.2
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)
±295.2
Current Raw change used (final)
0.0
Projected new Raw rating
795.2
Projected new Weighed rating
795.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
795.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
795.2
Projected new floor
500.0
Projected new K-facor
40
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
19
St Peters College Chess League 2023 (A)
2023/09/11
2023/10/23
Johannesburg Metro (GJM)
Standard
60
0.83
6
6
5.0
1357.9
1356.7
Analysis
18
Dainfern College Chess League 2023 (B)
2023/01/30
2023/03/06
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
4.0
1313.7
1302.0
Analysis
17
JNW Club - Trinityhouse Randpark Ridge Open 2020 (B)
2020/02/22
2020/02/22
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.0
1347.5
1340.2
Analysis
16
2019 South African Junior Team Championships (U12B)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
4.5
1330.0
1324.7
Analysis
15
GJM vs GE Inter Region 2019 (U12D)
2019/10/05
2019/10/05
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
5.0
1189.5
1188.0
Analysis
14
JHB Metro Closed 2019 (U12)
2019/07/27
2019/07/28
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
4.0
1135.0
1126.8
Analysis
13
Chess Heroes Junior Tournament 2019 (A)
2019/06/22
2019/06/22
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.5
1142.6
1133.2
Analysis
12
JNW Club - Hoerskool Linden 2019 (C)
2019/06/15
2019/06/15
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
1.0
1142.6
1133.2
Analysis
11
JNW Club - Unika Scholar 2019 (Open)
2019/06/01
2019/06/01
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
2.0
1142.6
1133.2
Analysis
10
JNW Club - Trinityhouse Little Falls Open 2019 (D)
2019/02/23
2019/02/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1133.6
1120.4
Analysis
9
JNW Club - Bryanston Open 1 2019 (C)
2019/01/26
2019/01/26
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
2.0
1127.0
1110.0
Analysis
8
Chessnuts November 2018 (A)
2018/11/17
2018/11/17
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1124.0
1104.8
Analysis
7
Chessnuts Spring 2018 (Knights)
2018/09/29
2018/09/29
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1048.2
1037.1
Analysis
6
JNW Club - Maragon Open 2018 (C)
2018/08/04
2018/08/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.5
1091.7
1088.7
Analysis
5
JHB Metro Junior Closed 2018 (U12)
2018/07/28
2018/07/29
Johannesburg Metro (GJM)
Standard
90
0.94
6
5
3.0
924.0
953.6
Analysis
4
Fonties Challenge 2018 (U11)
2018/04/21
2018/04/21
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
781.6
781.6
Analysis
3
JNW Club - Linden Open 2018 (D)
2018/04/14
2018/04/14
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
3.0
781.6
781.6
Analysis
2
South African Junior Wildcard Championships 2017 (U10 Open)
2018/01/09
2018/01/12
4 Knights (4K)
Standard
120
1.00
7
7
3.5
795.2
795.2
Analysis
1
South African Junior Team Championships 2017 (U10A)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
7
5.0
795.2
795.2
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
98
56
8
34
60.0
61.2
95.4
1095.3
1190.7
White
48
28
5
15
30.5
63.5
115.1
1098.3
1213.4
Black
50
28
3
19
29.5
59.0
76.5
1092.4
1168.9
Standard
All
98
56
8
34
60.0
61.2
95.4
1095.3
1190.7
White
48
28
5
15
30.5
63.5
115.1
1098.3
1213.4
Black
50
28
3
19
29.5
59.0
76.5
1092.4
1168.9
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
108073208
Steyn, T (Tjaart)
3
1.0
1
0
2
33.3
1067.2
-141.7
925.5
View list
2
208071873
Chinoruma, T (Tawana)
3
0.0
0
0
3
0.0
946.9
-425.0
521.9
View list
3
1090103602
Raj, T (Tejashavi)
2
2.0
2
0
0
100.0
1091.6
425.0
1516.6
View list
4
204079859
Fauconier, C (Caley)
2
1.0
1
0
1
50.0
1095.4
0.0
1095.4
View list
5
209092675
Ramlall, S (Sanjana)
2
1.0
1
0
1
50.0
1138.8
0.0
1138.8
View list
6
107060719
Van Blomestein, M (Matthew)
2
1.0
1
0
1
50.0
1007.9
0.0
1007.9
View list
7
107069948
Jones, W (William)
2
0.0
0
0
2
0.0
1245.0
-425.0
820.0
View list
8
108072345
De Swardt, C (Chrizander)
1
1.0
1
0
0
100.0
1189.5
425.0
1614.5
View list
9
108080814
Engelbrecht, J (Joshua)
1
1.0
1
0
0
100.0
1357.9
425.0
1782.9
View list
10
1080107800
Ebrahim, Z (Zachary)
1
1.0
1
0
0
100.0
1189.5
425.0
1614.5
View list
11
111092701
Deysel, K (Kaleb)
1
1.0
1
0
0
100.0
1133.6
425.0
1558.6
View list
12
209087184
De Bruyn, C (Chanique)
1
1.0
1
0
0
100.0
795.2
425.0
1220.2
View list
13
111092267
D`Alton, E (Ezra)
1
1.0
1
0
0
100.0
1124.0
425.0
1549.0
View list
14
107077207
Bailie, S (Shea)
1
1.0
1
0
0
100.0
781.6
425.0
1206.6
View list
15
1080100301
Botha, W (Wiann)
1
1.0
1
0
0
100.0
781.6
425.0
1206.6
View list
16
1090097352
Buthelezi, S (Sihle)
1
1.0
1
0
0
100.0
1189.5
425.0
1614.5
View list
17
107092250
Brown, D (Daniel)
1
1.0
1
0
0
100.0
781.6
425.0
1206.6
View list
18
109069833
Fogarty, S (Simon)
1
1.0
1
0
0
100.0
795.2
425.0
1220.2
View list
19
107091300
French, T (Tristan)
1
1.0
1
0
0
100.0
1048.2
425.0
1473.2
View list
20
108087160
Gibbens, JG (Johannes)
1
1.0
1
0
0
100.0
1330.0
425.0
1755.0
View list