Player Page

Jonker, HD (Hendrik)
Dob: 2007/05/02 (U18)
Gender: Male
Chess SA id: 107076073
FIDE id:
Region: Pixley-ka-Seme (NCP)
Citizen: RSA
Title(s):
Last active: 2021/10/23 (933 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 rating1283.5
Curent Weighted rating1283.5
Curent Weighted performance806.7
Current official/published rating (highest between Raw, WR and WP)1283.5
Current floor (min rating allowed)826.7
Current highest rating achieved1326.7
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)±147.2
Current Raw change used (final)0.0
Projected new Raw rating1283.5
Projected new Weighed rating1283.5
Projected new Weighted performance806.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1283.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1326.7
Projected new floor826.7
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 rating1282.9
Curent Weighted rating1282.9
Curent Weighted performance807.5
Current official/published rating (highest between Raw, WR and WP)1282.9
Current floor (min rating allowed)834.7
Current highest rating achieved1334.7
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)±147.3
Current Raw change used (final)0.0
Projected new Raw rating1282.9
Projected new Weighed rating1282.9
Projected new Weighted performance807.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1282.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1334.7
Projected new floor834.7
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 rating731.8
Curent Weighted rating731.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)731.8
Current floor (min rating allowed)500.0
Current highest rating achieved731.8
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)±323.1
Current Raw change used (final)0.0
Projected new Raw rating731.8
Projected new Weighed rating731.8
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)731.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating731.8
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 rating731.8
Curent Weighted rating731.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)731.8
Current floor (min rating allowed)500.0
Current highest rating achieved731.8
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)±323.1
Current Raw change used (final)0.0
Projected new Raw rating731.8
Projected new Weighed rating731.8
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)731.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating731.8
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
11 NC Open 2021 (B) 2021/10/22 2021/10/23 Frances Baard (NCF) Standard 62 0.84 5 5 1.0 1326.7 1334.7 Analysis
10 Pixley Chess Open 2 2021 (A) 2021/04/17 2021/04/17 Pixley-ka-Seme (NCP) Standard 60 0.83 5 5 4.0 1264.4 1286.5 Analysis
9 Pixley Chess Open 2021 2021/03/27 2021/03/27 Pixley-ka-Seme (NCP) Standard 60 0.83 5 5 3.5 1149.3 1151.7 Analysis
8 Northern Cape Open Fundraiser 2021 (C) 2021/03/20 2021/03/20 Frances Baard (NCF) Standard 62 0.84 5 5 5.0 1149.3 1151.7 Analysis
7 South African Junior Team Championships 2018 (U12B) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 5.0 1100.9 1110.1 Analysis
6 Northern Cape Closed Chess Championships 2018 (U12 Open) 2018/08/31 2018/09/01 Frances Baard (NCF) Standard 92 0.94 5 5 3.0 948.3 986.6 Analysis
5 LDA Open Tournament 2018 (B) 2018/07/21 2018/07/21 Pixley-ka-Seme (NCP) Standard 60 0.83 5 5 4.0 883.9 909.8 Analysis
4 Oudtshoorn Open 2018 2018/06/29 2018/06/30 Eden District (WEG) Standard 60 0.83 6 0 0.0 883.9 909.8 Analysis
3 Pixley Schools District Eliminations 2018 (U11) 2018/04/14 2018/04/14 Pixley-ka-Seme (NCP) Standard 60 0.83 5 5 4.0 839.1 859.0 Analysis
2 Pixley ka Seme Open 2018 (U14) 2018/02/10 2018/02/10 Pixley-ka-Seme (NCP) Standard 60 0.83 5 5 3.0 741.8 741.8 Analysis
1 South African Junior Team Championships 2017 (U12C) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 5 3.0 731.8 731.8 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 52 34 3 15 35.5 68.3 155.3 1065.2 1220.5
White 24 18 1 5 18.5 77.1 230.2 1045.4 1275.7
Black 28 16 2 10 17.0 60.7 91.1 1082.1 1173.1
Standard All 52 34 3 15 35.5 68.3 155.3 1065.2 1220.5
White 24 18 1 5 18.5 77.1 230.2 1045.4 1275.7
Black 28 16 2 10 17.0 60.7 91.1 1082.1 1173.1
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 105086981 Kitengye, A (Armand) 4 2.0 2 0 2 50.0 1025.4 0.0 1025.4 View list
2 106076075 Kruger, C (Christoffel) 2 2.0 2 0 0 100.0 1016.6 425.0 1441.6 View list
3 108084930 Kitengye, PE (Patrick Ebondo) 2 1.0 1 0 1 50.0 861.5 0.0 861.5 View list
4 2110105341 Botha, A (Ane) 1 1.0 1 0 0 100.0 883.9 425.0 1308.9 View list
5 208083655 Bartman, J (Jadey) 1 1.0 1 0 0 100.0 1149.3 425.0 1574.3 View list
6 212092858 Ahjum, AXE (Annabelle) 1 1.0 1 0 0 100.0 1149.3 425.0 1574.3 View list
7 1050133919 Afrika, E (Ethan) 1 1.0 1 0 0 100.0 1149.3 425.0 1574.3 View list
8 107086985 Breyl, N (Noah) 1 1.0 1 0 0 100.0 839.1 425.0 1264.1 View list
9 107054713 Du Preez, H (Henno) 1 1.0 1 0 0 100.0 731.8 425.0 1156.8 View list
10 1040133915 Coetzee, E (Erik) 1 1.0 1 0 0 100.0 1149.3 425.0 1574.3 View list
11 1070134171 Khunou, N (Nealan) 1 1.0 1 0 0 100.0 1264.4 425.0 1689.4 View list
12 2070100128 Hlomela, A (Amydi) 1 1.0 1 0 0 100.0 839.1 425.0 1264.1 View list
13 1060096790 Hector, L (Lumishca) 1 1.0 1 0 0 100.0 741.8 425.0 1166.8 View list
14 107064238 Grove, E (Enrique) 1 1.0 1 0 0 100.0 948.3 425.0 1373.3 View list
15 1110116594 Groenewaldt, S (Stefan) 1 1.0 1 0 0 100.0 1149.3 425.0 1574.3 View list
16 1080097933 Grobler, E (Etienne) 1 1.0 1 0 0 100.0 1100.9 425.0 1525.9 View list
17 1050134166 Geweldt, B (Bruwayne) 1 1.0 1 0 0 100.0 1264.4 425.0 1689.4 View list
18 108086611 Erasmus, E (Earl) 1 1.0 1 0 0 100.0 1100.9 425.0 1525.9 View list
19 206065699 Lubisi, M (Mamello) 1 1.0 1 0 0 100.0 731.8 425.0 1156.8 View list
20 108084924 Madyo, M (Mbuyiselo) 1 1.0 1 0 0 100.0 839.1 425.0 1264.1 View list