Player Page

Janse Van Vuuren, A (Alexander)
Dob: 2009/08/14 (U16)
Gender: Male
Chess SA id: 1090101509
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2024/04/06 (34 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 rating1084.2
Curent Weighted rating1067.2
Curent Weighted performance1019.1
Current official/published rating (highest between Raw, WR and WP)1084.2
Current floor (min rating allowed)737.2
Current highest rating achieved1237.2
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)±195.6
Current Raw change used (final)0.0
Projected new Raw rating1084.2
Projected new Weighed rating1067.2
Projected new Weighted performance1019.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1084.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1237.2
Projected new floor737.2
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 rating1067.1
Curent Weighted rating1067.9
Curent Weighted performance953.5
Current official/published rating (highest between Raw, WR and WP)1067.9
Current floor (min rating allowed)745.6
Current highest rating achieved1245.6
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)±200.4
Current Raw change used (final)0.0
Projected new Raw rating1067.1
Projected new Weighed rating1066.2
Projected new Weighted performance953.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1067.1
Projected effective change (new Official - current Official)-0.8
Projected new highest rating1245.6
Projected new floor745.6
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 rating1153.6
Curent Weighted rating1176.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1176.7
Current floor (min rating allowed)740.0
Current highest rating achieved1240.0
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)±177.1
Current Raw change used (final)0.0
Projected new Raw rating1153.6
Projected new Weighed rating1174.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1174.1
Projected effective change (new Official - current Official)-2.5
Projected new highest rating1240.0
Projected new floor740.0
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)740.0
Current highest rating achieved1200.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
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 rating1200.0
Projected new floor740.0
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 Ekurhuleni Open 2024 (C) 2024/04/06 2024/04/06 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1071.7 1053.4 Analysis
1 Ekurhuleni North Chess Club Open Tournament 2024 (C) 2024/03/02 2024/03/02 Ehlanzeni (MEN) Rapid 30 0.60 7 6 2.0 1052.7 1179.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
32 Ekurhuleni Open 2024 (C) 2024/04/06 2024/04/06 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1071.7 1053.4 Analysis
31 Ekurhuleni North Chess Club Open Tournament 2024 (C) 2024/03/02 2024/03/02 Ehlanzeni (MEN) Rapid 30 0.60 7 6 2.0 1052.7 1179.5 Analysis
30 Ekurhuleni Chess Trial 3 2023 (U16) 2023/06/17 2023/06/17 Ekurhuleni (GE) Standard 60 0.83 5 4 0.0 1082.6 1088.3 Analysis
29 Ekurhuleni Trials 2 2023 (U16) 2023/04/22 2023/04/22 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1070.9 1080.7 Analysis
28 Ekurhuleni Springs Open 4 March 2023 (D) 2023/03/04 2023/03/04 Ekurhuleni (GE) Standard 62 0.84 5 5 2.0 1057.0 1067.7 Analysis
27 2022 South African Junior Wild Card Chess Championships (U14 Open) 2022/12/09 2022/12/12 4 Knights (4K) Standard 120 1.00 7 7 1.0 1162.1 1192.3 Analysis
26 2022 South African Junior Team Chess Championships (U14 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 6 1.0 1162.1 1192.3 Analysis
25 Ekurhuleni Soncini Playoffs 2022 (Boys) 2022/09/24 2022/09/24 Ekurhuleni (GE) Rapid 30 0.60 5 5 1.0 1136.4 1240.0 Analysis
24 Ekurhuleni Chess Springs Club Open 2022 (E) 2022/09/03 2022/09/03 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1136.4 1131.5 Analysis
23 Ekurhuleni-North Schools Teams 2022 (U13) 2022/08/06 2022/08/06 Ekurhuleni (GE) Standard 60 0.83 5 4 1.5 1145.4 1143.4 Analysis
22 Ekurhuleni Trials 2 2022 (U14) 2022/05/28 2022/05/28 Ekurhuleni (GE) Standard 62 0.84 5 5 2.0 1118.0 1100.2 Analysis
21 Ekurhuleni-North Schools Finals Indiv 2022 (U13 Boys) 2022/05/13 2022/05/13 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1118.0 1100.2 Analysis
20 Ekurhuleni Trials 1 2022 (U14) 2022/04/23 2022/04/23 Ekurhuleni (GE) Standard 62 0.84 5 4 2.0 1096.2 1070.7 Analysis
19 ACB Premier 2022 (U13) 2022/03/21 2022/03/21 Ekurhuleni (GE) Standard 60 0.83 7 7 3.0 1050.8 978.9 Analysis
18 ACB Premier 2022 (Primary School) 2022/03/19 2022/03/19 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1050.8 978.9 Analysis
17 Alberton Chess Club Open 2020 (D) 2020/02/22 2020/02/22 Ekurhuleni (GE) Standard 60 0.83 5 3 1.0 974.5 960.0 Analysis
16 Laerskool Oosterkruin 2020 (U11) 2020/02/01 2020/02/01 Ekurhuleni (GE) Rapid 30 0.60 6 6 4.0 974.5 1200.0 Analysis
15 Springs Chess Club Open 2020 (C) 2020/01/25 2020/01/25 Ekurhuleni (GE) Standard 60 0.83 5 5 2.5 1101.3 1086.0 Analysis
14 2019 Wild Card Chess Championship (U12 Open) 2020/01/09 2020/01/12 4 Knights (4K) Standard 120 1.00 7 5 0.0 1101.3 1086.0 Analysis
13 2019 South African Junior Team Championships (U12E) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 1.0 1101.3 1086.0 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 11 4 0 7 4.0 36.4 -115.9 1277.7 1161.8
White 5 3 0 2 3.0 60.0 85.0 1309.3 1394.3
Black 6 1 0 5 1.0 16.7 -283.3 1251.4 968.1
Standard All 5 2 0 3 2.0 40.0 -85.0 1223.5 1138.5
White 2 1 0 1 1.0 50.0 0.0 1172.5 1172.5
Black 3 1 0 2 1.0 33.3 -141.7 1257.5 1115.9
Rapid All 6 2 0 4 2.0 33.3 -141.7 1322.9 1181.2
White 3 2 0 1 2.0 66.7 141.7 1400.6 1542.2
Black 3 0 0 3 0.0 0.0 -425.0 1245.2 820.2
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 163 58 8 97 62.0 38.0 -101.7 1194.4 1092.7
White 79 30 4 45 32.0 40.5 -80.7 1199.8 1119.1
Black 84 28 4 52 30.0 35.7 -121.4 1189.4 1068.0
Standard All 146 52 6 88 55.0 37.7 -104.8 1190.3 1085.5
White 71 26 4 41 28.0 39.4 -89.8 1191.2 1101.4
Black 75 26 2 47 27.0 36.0 -119.0 1189.3 1070.3
Rapid All 17 6 2 9 7.0 41.2 -75.0 1230.3 1155.3
White 8 4 0 4 4.0 50.0 0.0 1275.6 1275.6
Black 9 2 2 5 3.0 33.3 -141.7 1190.0 1048.3
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 208066161 Bhika, J (Jyotikka) 3 0.0 0 0 3 0.0 1085.7 -425.0 660.7 View list
2 109084256 Hattingh, T (Tiaan) 3 0.0 0 0 3 0.0 1165.3 -425.0 740.3 View list
3 1090101485 Moyo, N (Nkosana Junior) 3 0.0 0 0 3 0.0 1073.2 -425.0 648.2 View list
4 1090113102 Du Plessis, WJH (Willem Jacobus Hendrik) 2 1.5 1 1 0 75.0 1037.9 212.5 1250.4 View list
5 1080107799 Du Toit, J (Jaunre) 2 1.0 1 0 1 50.0 1162.3 0.0 1162.3 View list
6 2090106518 Smith, G (Gizelle) 2 1.0 1 0 1 50.0 1192.0 0.0 1192.0 View list
7 1070139583 Hamilton-Hall, R (Riley) 2 0.0 0 0 2 0.0 1062.2 -425.0 637.2 View list
8 1090151747 Nasha, W (Wisdom) 2 0.0 0 0 2 0.0 1087.5 -425.0 662.5 View list
9 1090101491 Van Der Merwe, L (Logan) 2 0.0 0 0 2 0.0 1087.3 -425.0 662.3 View list
10 109089375 Viljoen, H (Henning) 2 0.0 0 0 2 0.0 1051.8 -425.0 626.8 View list
11 2080106510 De Lange, C (Charend) 1 1.0 1 0 0 100.0 1101.3 425.0 1526.3 View list
12 1100107814 Boshoff, M (Mondre) 1 1.0 1 0 0 100.0 974.5 425.0 1399.5 View list
13 1100139533 Buhle, R (Radebe) 1 1.0 1 0 0 100.0 1050.8 425.0 1475.8 View list
14 110087161 Brenkman, C (Christopher) 1 1.0 1 0 0 100.0 1119.2 425.0 1544.2 View list
15 1070143725 De Swardt, S (Stephan) 1 1.0 1 0 0 100.0 1136.4 425.0 1561.4 View list
16 108092826 Ahrens, C (Conrad) 1 1.0 1 0 0 100.0 1101.3 425.0 1526.3 View list
17 1080112252 Desmore, K (Kyle) 1 1.0 1 0 0 100.0 1146.7 425.0 1571.7 View list
18 1090098186 Dias, R (Ricardo) 1 1.0 1 0 0 100.0 1237.2 425.0 1662.2 View list
19 1080113492 Dlamini, K (Kaelo) 1 1.0 1 0 0 100.0 1142.2 425.0 1567.2 View list
20 1090146509 Du Preez, H (Henrico) 1 1.0 1 0 0 100.0 1136.4 425.0 1561.4 View list