Player Page

De Villiers, J (Juan)
Dob: 2009/03/19 (U16)
Gender: Male
Chess SA id: 109082809
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2020/01/08 (1593 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 rating1236.1
Curent Weighted rating1236.1
Curent Weighted performance539.9
Current official/published rating (highest between Raw, WR and WP)1236.1
Current floor (min rating allowed)736.1
Current highest rating achieved1236.1
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)±157.5
Current Raw change used (final)0.0
Projected new Raw rating1236.1
Projected new Weighed rating1236.1
Projected new Weighted performance539.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1236.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1236.1
Projected new floor736.1
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 rating1225.2
Curent Weighted rating1225.2
Curent Weighted performance535.4
Current official/published rating (highest between Raw, WR and WP)1225.2
Current floor (min rating allowed)725.2
Current highest rating achieved1225.2
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)±160.0
Current Raw change used (final)0.0
Projected new Raw rating1225.2
Projected new Weighed rating1225.2
Projected new Weighted performance535.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1225.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1225.2
Projected new floor725.2
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 rating624.0
Curent Weighted rating624.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)624.0
Current floor (min rating allowed)500.0
Current highest rating achieved624.0
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)±376.7
Current Raw change used (final)0.0
Projected new Raw rating624.0
Projected new Weighed rating624.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)624.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating624.0
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 rating624.0
Curent Weighted rating624.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)624.0
Current floor (min rating allowed)500.0
Current highest rating achieved624.0
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)±376.7
Current Raw change used (final)0.0
Projected new Raw rating624.0
Projected new Weighed rating624.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)624.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating624.0
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
20 2019 South African Junior Team Championships (U12B) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 4.0 1230.7 1224.5 Analysis
19 GJM vs GE Inter Region 2019 (U12B) 2019/10/05 2019/10/05 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.5 1136.9 1124.7 Analysis
18 JNW Club - Maragon Open 2019 (C) 2019/08/03 2019/08/03 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1148.9 1133.5 Analysis
17 JHB Metro Closed 2019 (U12) 2019/07/27 2019/07/28 Johannesburg Metro (GJM) Standard 90 0.94 6 6 3.0 1123.3 1101.5 Analysis
16 Chess Heroes Junior Tournament 2019 (A) 2019/06/22 2019/06/22 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1138.2 1125.1 Analysis
15 Fonties Challange 2019 (U11) 2019/06/08 2019/06/08 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1138.2 1125.1 Analysis
14 The Metro Open 2019 (Masters) 2019/05/25 2019/05/26 Johannesburg Metro (GJM) Standard 90 0.94 6 6 3.0 1175.4 1168.3 Analysis
13 JNW Club - Bryanston Open 2 2019 (C) 2019/05/11 2019/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.0 1175.4 1168.3 Analysis
12 Ekurhuleni Trials 2 2019 (U12) 2019/04/27 2019/04/27 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1130.9 1129.3 Analysis
11 Chessnuts Under 1200 6 April 2019 (Kings) 2019/04/06 2019/04/06 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1130.9 1129.3 Analysis
10 South African Junior Team Championships 2018 (U10B) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 4.0 1093.3 1093.7 Analysis
9 JNW Club - Maragon Open 2018 (U10) 2018/08/04 2018/08/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1044.8 1053.7 Analysis
8 JHB Metro Junior Closed 2018 (U10) 2018/07/28 2018/07/29 Johannesburg Metro (GJM) Standard 90 0.94 6 6 4.0 935.9 935.7 Analysis
7 Chessnuts - Under 1000 Ratings Tournament 2018 (A) 2018/07/21 2018/07/21 Johannesburg Metro (GJM) Standard 60 0.83 5 4 0.0 935.9 935.7 Analysis
6 Boksburg Chess Club Open 2018 (U10) 2018/07/14 2018/07/14 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 935.9 935.7 Analysis
5 JNW Club - Unika Scholar 2018 (U10) 2018/06/02 2018/06/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 814.5 846.4 Analysis
4 2018 Capablanca Swiss (D) 2018/04/27 2018/04/27 Tshwane (GTP) Standard 90 0.94 5 5 3.0 629.8 637.6 Analysis
3 JNW Club - Linden Open 2018 (U10) 2018/04/14 2018/04/14 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 629.8 637.6 Analysis
2 JNW Club - Trinityhouse Randpark Ridge Open 2018 (U10) 2018/03/24 2018/03/24 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 595.6 595.6 Analysis
1 South African Junior Team Championships 2017 (U10B) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 1.5 624.0 624.0 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 107 49 10 48 54.0 50.5 4.0 1096.1 1100.1
White 52 23 5 24 25.5 49.0 -8.2 1094.9 1086.8
Black 55 26 5 24 28.5 51.8 15.5 1097.2 1112.7
Standard All 107 49 10 48 54.0 50.5 4.0 1096.1 1100.1
White 52 23 5 24 25.5 49.0 -8.2 1094.9 1086.8
Black 55 26 5 24 28.5 51.8 15.5 1097.2 1112.7
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 109073284 Sandenbergh, RF (Francois) 4 2.0 2 0 2 50.0 852.1 0.0 852.1 View list
2 210092814 Van Der Sandt, I (Iliana) 3 1.5 1 1 1 50.0 887.5 0.0 887.5 View list
3 1080099597 Rossouw, W (Wessel Johannes) 3 1.0 1 0 2 33.3 1068.3 -141.7 926.7 View list
4 109076135 Van Zyl, B (Benjamin) 3 1.0 1 0 2 33.3 680.0 -141.7 538.3 View list
5 110092271 Bennie, J (Johannes) 2 2.0 2 0 0 100.0 990.3 425.0 1415.3 View list
6 2080103444 Onyemah, C (Chioma) 2 0.5 0 1 1 25.0 1156.8 -212.5 944.3 View list
7 109086017 Roetz, K (Kyle) 2 0.5 0 1 1 25.0 765.8 -212.5 553.3 View list
8 202010660 Goldstuck, Z (Zianda) 2 0.0 0 0 2 0.0 1153.2 -425.0 728.2 View list
9 110091702 Van Heerden, F (Freddie) 2 0.0 0 0 2 0.0 990.3 -425.0 565.3 View list
10 109059744 Voigt, D (Daniel) 2 0.0 0 0 2 0.0 968.9 -425.0 543.9 View list
11 1080097261 Bacharam, B (Bivesh) 1 1.0 1 0 0 100.0 1230.7 425.0 1655.7 View list
12 205069709 Bothma, I (Isabella) 1 1.0 1 0 0 100.0 1175.4 425.0 1600.4 View list
13 1100100199 Botha, T (Tyler) 1 1.0 1 0 0 100.0 1093.3 425.0 1518.3 View list
14 110091709 Botes, E (Evan) 1 1.0 1 0 0 100.0 1130.9 425.0 1555.9 View list
15 109081022 Cass, M (Matthew) 1 1.0 1 0 0 100.0 935.9 425.0 1360.9 View list
16 1080112252 Desmore, K (Kyle) 1 1.0 1 0 0 100.0 1130.9 425.0 1555.9 View list
17 108088044 Deans, J (Jarred) 1 1.0 1 0 0 100.0 1130.9 425.0 1555.9 View list
18 1090112136 Dziwa, F (Farai) 1 1.0 1 0 0 100.0 1175.4 425.0 1600.4 View list
19 1100096766 Du Preez, J (Julian) 1 1.0 1 0 0 100.0 629.8 425.0 1054.8 View list
20 1110099290 Gough, R (Rowan) 1 1.0 1 0 0 100.0 1175.4 425.0 1600.4 View list