Player Page

Barnes, J (Jock)
Dob: 2007/05/09 (U18)
Gender: Male
Chess SA id: 107076704
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2023/05/29 (349 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 rating1118.4
Curent Weighted rating1119.7
Curent Weighted performance578.3
Current official/published rating (highest between Raw, WR and WP)1119.7
Current floor (min rating allowed)748.2
Current highest rating achieved1248.2
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)±186.3
Current Raw change used (final)0.0
Projected new Raw rating1118.4
Projected new Weighed rating1119.4
Projected new Weighted performance578.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1119.4
Projected effective change (new Official - current Official)-0.2
Projected new highest rating1248.2
Projected new floor748.2
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 rating1105.2
Curent Weighted rating1105.8
Curent Weighted performance579.1
Current official/published rating (highest between Raw, WR and WP)1105.8
Current floor (min rating allowed)742.0
Current highest rating achieved1242.0
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)±189.8
Current Raw change used (final)0.0
Projected new Raw rating1105.2
Projected new Weighed rating1105.7
Projected new Weighted performance579.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1105.7
Projected effective change (new Official - current Official)-0.1
Projected new highest rating1242.0
Projected new floor742.0
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 rating700.6
Curent Weighted rating700.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)700.6
Current floor (min rating allowed)500.0
Current highest rating achieved705.0
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)±337.8
Current Raw change used (final)0.0
Projected new Raw rating700.6
Projected new Weighed rating700.6
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)700.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating705.0
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 rating700.6
Curent Weighted rating700.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)700.6
Current floor (min rating allowed)500.0
Current highest rating achieved705.0
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)±337.8
Current Raw change used (final)0.0
Projected new Raw rating700.6
Projected new Weighed rating700.6
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)700.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating705.0
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
19 Steyn City School Chess League 2023 (A) 2023/05/05 2023/05/29 Johannesburg Metro (GJM) Standard 60 0.83 6 6 1.0 1124.1 1107.7 Analysis
18 Fonties Challange 2019 (U13) 2019/06/08 2019/06/08 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1122.3 1100.1 Analysis
17 JNW Club - Trinityhouse Randpark Ridge Open 2019 (C) 2019/03/09 2019/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1132.2 1107.7 Analysis
16 JNW Club - Trinityhouse Little Falls Open 2019 (C) 2019/02/23 2019/02/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.0 1168.4 1147.3 Analysis
15 JNW Club - Bryanston Open 1 2019 (B) 2019/01/26 2019/01/26 Johannesburg Metro (GJM) Standard 60 0.83 5 4 0.0 1248.2 1242.0 Analysis
14 Boksburg Open 2019 (B) 2019/01/19 2019/01/19 Ekurhuleni (GE) Standard 60 0.83 5 4 1.0 1248.2 1242.0 Analysis
13 South African Junior Team Championships 2018 (U12B) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 7.0 1131.0 1126.8 Analysis
12 Inter Region GE vs JHB Metro 2018 (U12B) 2018/10/06 2018/10/06 Ekurhuleni (GE) Standard 60 0.83 5 4 3.0 1053.2 1057.0 Analysis
11 GoForChess Saheti Junior Chess Championships 2018 (U12-U16) 2018/09/22 2018/09/22 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1019.2 1026.0 Analysis
10 GoForChess Curro Online Rated 2018 (U14) 2018/09/02 2018/09/02 Johannesburg Metro (GJM) Standard 60 0.83 5 1 0.0 1019.2 1026.0 Analysis
9 JHB Metro Junior Closed 2018 (U12) 2018/07/28 2018/07/29 Johannesburg Metro (GJM) Standard 90 0.94 6 6 4.0 874.9 883.3 Analysis
8 2018 Menlo Open Chess Tournament (C) 2018/07/21 2018/07/21 Tshwane (GTP) Standard 60 0.83 5 5 2.0 874.9 883.3 Analysis
7 GoForChess Grayston Junior Chess Championship 2018 (U12) 2018/06/10 2018/06/10 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 802.6 798.5 Analysis
6 JNW Club - Bryanston Open 2 2018 (C) 2018/05/05 2018/05/05 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.0 851.1 853.7 Analysis
5 JNW Club - Linden Open 2018 (C) 2018/04/14 2018/04/14 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 810.2 825.4 Analysis
4 Human Rights Day Open 2018 (C) 2018/03/21 2018/03/21 Ekurhuleni (GE) Standard 60 0.83 5 5 3.5 762.4 769.8 Analysis
3 JNW Club - Northriding College Open 2018 (B) 2018/03/09 2018/03/10 Johannesburg Metro (GJM) Standard 60 0.83 6 5 2.0 762.4 769.8 Analysis
2 JCC Wits 2018 (Junior) 2018/02/25 2018/02/25 Johannesburg Metro (GJM) Standard 62 0.84 5 5 2.5 725.4 725.4 Analysis
1 South African Junior Team Championships 2017 (U12A) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 2.5 700.6 700.6 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 94 38 9 47 42.5 45.2 -40.7 1058.0 1017.3
White 46 20 4 22 22.0 47.8 -18.5 1091.2 1072.7
Black 48 18 5 25 20.5 42.7 -62.0 1026.1 964.1
Standard All 94 38 9 47 42.5 45.2 -40.7 1058.0 1017.3
White 46 20 4 22 22.0 47.8 -18.5 1091.2 1072.7
Black 48 18 5 25 20.5 42.7 -62.0 1026.1 964.1
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 108085070 Moustakis, C (Costa) 3 1.0 1 0 2 33.3 949.4 -141.7 807.8 View list
2 103064968 Steyn, C (Corne) 3 0.0 0 0 3 0.0 931.2 -425.0 506.2 View list
3 111092267 D`Alton, E (Ezra) 2 2.0 2 0 0 100.0 1150.3 425.0 1575.3 View list
4 105076508 Coetzer, D (Daniel) 2 1.0 1 0 1 50.0 1005.3 0.0 1005.3 View list
5 107086443 Felix, H (Harrison) 2 1.0 1 0 1 50.0 782.5 0.0 782.5 View list
6 105060227 Pillay, M (Mikhael) 2 1.0 1 0 1 50.0 1005.3 0.0 1005.3 View list
7 108080814 Engelbrecht, J (Joshua) 2 0.0 0 0 2 0.0 890.8 -425.0 465.8 View list
8 107055344 Paraian, N (Nicolai) 2 0.0 0 0 2 0.0 1186.2 -425.0 761.2 View list
9 209092675 Ramlall, S (Sanjana) 2 0.0 0 0 2 0.0 924.8 -425.0 499.8 View list
10 204069424 Tarafdar, S (Shamama) 2 0.0 0 0 2 0.0 971.2 -425.0 546.2 View list
11 109080845 Tsai, R (Ray) 2 0.0 0 0 2 0.0 1093.8 -425.0 668.8 View list
12 108084884 Bouwer, L (Luan) 1 1.0 1 0 0 100.0 1131.0 425.0 1556.0 View list
13 107088022 Croeser, E (Enzo) 1 1.0 1 0 0 100.0 1053.2 425.0 1478.2 View list
14 107076224 Cordier, T (Tristian) 1 1.0 1 0 0 100.0 1131.0 425.0 1556.0 View list
15 107078001 Cooper, N (Nathan) 1 1.0 1 0 0 100.0 1131.0 425.0 1556.0 View list
16 106076003 Dvir, O (Omer) 1 1.0 1 0 0 100.0 874.9 425.0 1299.9 View list
17 1070098202 Du Preez, D (Dean) 1 1.0 1 0 0 100.0 762.4 425.0 1187.4 View list
18 1080106579 Doherty, F (Felix) 1 1.0 1 0 0 100.0 1019.2 425.0 1444.2 View list
19 108081020 Coertse, J (Jaimi) 1 1.0 1 0 0 100.0 1053.2 425.0 1478.2 View list
20 106092825 Arthur, T (Ty) 1 1.0 1 0 0 100.0 762.4 425.0 1187.4 View list