Player Page

Ernst, AJ (Alex Johan)
Dob: 2009/05/06 (U16)
Gender: Male
Chess SA id: 109085214
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2019/07/27 (1757 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 rating968.1
Curent Weighted rating968.1
Curent Weighted performance364.6
Current official/published rating (highest between Raw, WR and WP)968.1
Current floor (min rating allowed)583.1
Current highest rating achieved1083.1
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)±230.7
Current Raw change used (final)0.0
Projected new Raw rating968.1
Projected new Weighed rating968.1
Projected new Weighted performance364.6
Projected new official/published rating (highest between new Raw, new WR and new WP)968.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1083.1
Projected new floor583.1
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 rating944.4
Curent Weighted rating944.4
Curent Weighted performance350.7
Current official/published rating (highest between Raw, WR and WP)944.4
Current floor (min rating allowed)559.2
Current highest rating achieved1059.2
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)±238.7
Current Raw change used (final)0.0
Projected new Raw rating944.4
Projected new Weighed rating944.4
Projected new Weighted performance350.7
Projected new official/published rating (highest between new Raw, new WR and new WP)944.4
Projected effective change (new Official - current Official)-0.0
Projected new highest rating1059.2
Projected new floor559.2
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 rating1160.7
Curent Weighted rating1160.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1160.7
Current floor (min rating allowed)717.2
Current highest rating achieved1217.2
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)±175.4
Current Raw change used (final)0.0
Projected new Raw rating1160.7
Projected new Weighed rating1160.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1160.7
Projected effective change (new Official - current Official)-0.0
Projected new highest rating1217.2
Projected new floor717.2
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 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)717.2
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 floor717.2
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
11 2019 D4 Tshwane South Schools League Team Finals (U11) 2019/07/27 2019/07/27 Tshwane (GTP) Standard 60 0.83 5 5 2.0 945.9 911.6 Analysis
10 2019 Super 12 Laerskole (Juniors) 2019/05/04 2019/05/04 Tshwane (GTP) Rapid 30 0.60 5 5 1.5 937.7 1217.2 Analysis
9 2019 Capablanca Chess Festival (Swiss D) 2019/04/19 2019/04/21 Tshwane (GTP) Standard 90 0.94 7 7 2.5 951.2 916.4 Analysis
8 2019 D4 Individual Finals (U11 Mixed) 2019/03/09 2019/03/09 Tshwane (GTP) Standard 60 0.83 5 4 1.0 965.5 929.6 Analysis
7 2019 Constantia Park Open (D) 2019/02/09 2019/02/09 Tshwane (GTP) Standard 60 0.83 5 5 2.5 932.6 880.0 Analysis
6 2018 Lardies Ope (D) 2018/10/27 2018/10/27 Tshwane (GTP) Standard 60 0.83 5 5 1.0 986.1 932.4 Analysis
5 2018 D4 Tshwane South Schools League Finals (U9) 2018/08/03 2018/08/03 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1037.2 981.6 Analysis
4 2018 Super 12 (Junior) 2018/05/05 2018/05/05 Tshwane (GTP) Rapid 30 0.60 5 5 3.5 1005.5 1200.0 Analysis
3 2018 Capablanca Swiss (D) 2018/04/27 2018/04/27 Tshwane (GTP) Standard 90 0.94 5 5 1.5 1049.9 1024.8 Analysis
2 2018 D4 Tshwane North Individual Chess Championships (U9 Boys) 2018/03/10 2018/03/10 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1083.1 1059.2 Analysis
1 2018 Constantia Park Open (D) 2018/02/10 2018/02/10 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1200.0 1200.0 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 56 15 9 32 19.5 34.8 -129.0 1031.3 902.3
White 29 8 4 17 10.0 34.5 -131.9 1036.0 904.1
Black 27 7 5 15 9.5 35.2 -125.9 1026.2 900.3
Standard All 46 11 7 28 14.5 31.5 -157.1 1013.2 856.1
White 24 5 4 15 7.0 29.2 -177.1 1012.9 835.8
Black 22 6 3 13 7.5 34.1 -135.2 1013.6 878.3
Rapid All 10 4 2 4 5.0 50.0 0.0 1114.5 1114.5
White 5 3 0 2 3.0 60.0 85.0 1147.2 1232.2
Black 5 1 2 2 2.0 40.0 -85.0 1081.9 996.9
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 109085207 Nel, H (Henco) 2 1.5 1 1 0 75.0 1000.6 212.5 1213.1 View list
2 109091542 Mostert, M (Mj) 2 0.5 0 1 1 25.0 955.7 -212.5 743.2 View list
3 210075151 Smit, A (Anika) 2 0.0 0 0 2 0.0 1125.0 -425.0 700.0 View list
4 208086359 Smith, LM (Luhane) 2 0.0 0 0 2 0.0 948.5 -425.0 523.5 View list
5 110095324 Venter, D (Dian) 2 0.0 0 0 2 0.0 959.4 -425.0 534.4 View list
6 1080097218 Beukes, A (Anton) 1 1.0 1 0 0 100.0 986.1 425.0 1411.1 View list
7 1080101025 Booysen, A (Aj) 1 1.0 1 0 0 100.0 1005.5 425.0 1430.5 View list
8 1090098575 De Wit, D (Dian) 1 1.0 1 0 0 100.0 1037.2 425.0 1462.2 View list
9 207095320 De Lange, S (Sophia) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 1090108320 Erasmus, J (Jean-Zack) 1 1.0 1 0 0 100.0 951.2 425.0 1376.2 View list
11 1090101011 Human, E (Evert) 1 1.0 1 0 0 100.0 1005.5 425.0 1430.5 View list
12 1080101058 Killian, T (Tristan) 1 1.0 1 0 0 100.0 1005.5 425.0 1430.5 View list
13 1110098579 Jordaan, M (Markus) 1 1.0 1 0 0 100.0 1083.1 425.0 1508.1 View list
14 1090098576 Du Plessis, B (Benade) 1 1.0 1 0 0 100.0 1083.1 425.0 1508.1 View list
15 1080109346 Noome, O (Owen Joseph) 1 1.0 1 0 0 100.0 932.6 425.0 1357.6 View list
16 1100107174 Scholtz, A (Aydin) 1 1.0 1 0 0 100.0 932.6 425.0 1357.6 View list
17 110081026 Smit, W (Wian) 1 1.0 1 0 0 100.0 951.2 425.0 1376.2 View list
18 1100108261 Theron, J (Jayden) 1 1.0 1 0 0 100.0 937.7 425.0 1362.7 View list
19 1090112420 Visser, DS (David) 1 1.0 1 0 0 100.0 945.9 425.0 1370.9 View list
20 1110099290 Gough, R (Rowan) 1 0.5 0 1 0 50.0 937.7 0.0 937.7 View list