Player Page

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
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 rating1380.0
Curent Weighted rating1363.4
Curent Weighted performance1061.3
Current official/published rating (highest between Raw, WR and WP)1380.0
Current floor (min rating allowed)880.0
Current highest rating achieved1380.0
Current K-factor36
Games played this month0
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 rating1380.0
Projected new Weighed rating1365.9
Projected new Weighted performance1061.3
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 rating1380.0
Projected new floor880.0
Projected new K-facor36
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 rating1385.9
Curent Weighted rating1364.5
Curent Weighted performance1062.4
Current official/published rating (highest between Raw, WR and WP)1385.9
Current floor (min rating allowed)885.9
Current highest rating achieved1385.9
Current K-factor36
Games played this month0
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 rating1385.9
Projected new Weighed rating1367.7
Projected new Weighted performance1062.4
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 rating1385.9
Projected new floor885.9
Projected new K-facor36
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 rating795.2
Curent Weighted rating795.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)795.2
Current floor (min rating allowed)500.0
Current highest rating achieved795.2
Current K-factor40
Games played this month0
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 rating795.2
Projected new Weighed rating795.2
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 rating795.2
Projected new floor500.0
Projected new K-facor40
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 rating795.2
Curent Weighted rating795.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)795.2
Current floor (min rating allowed)500.0
Current highest rating achieved795.2
Current K-factor40
Games played this month0
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 rating795.2
Projected new Weighed rating795.2
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 rating795.2
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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