Player Page

Du Preez, D (Dean)
Dob: 2007/05/07 (U18)
Gender: Male
Chess SA id: 1070098202
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2020/01/08 (1576 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 rating1147.9
Curent Weighted rating1147.9
Curent Weighted performance505.8
Current official/published rating (highest between Raw, WR and WP)1147.9
Current floor (min rating allowed)695.1
Current highest rating achieved1195.1
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)±178.6
Current Raw change used (final)0.0
Projected new Raw rating1147.9
Projected new Weighed rating1147.9
Projected new Weighted performance505.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1147.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1195.1
Projected new floor695.1
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 rating1139.6
Curent Weighted rating1139.6
Curent Weighted performance502.1
Current official/published rating (highest between Raw, WR and WP)1139.6
Current floor (min rating allowed)688.0
Current highest rating achieved1188.0
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)±180.7
Current Raw change used (final)0.0
Projected new Raw rating1139.6
Projected new Weighed rating1139.6
Projected new Weighted performance502.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1139.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1188.0
Projected new floor688.0
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 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)700.0
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 floor700.0
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)700.0
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 floor700.0
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
16 2019 South African Junior Team Championships (U14D) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 2.0 1195.1 1188.0 Analysis
15 GE vs GSV Inter Regional 2019 (U14A) 2019/10/26 2019/10/26 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1167.2 1161.5 Analysis
14 2019 Gauteng School League Finals (U13 Open) 2019/08/23 2019/08/23 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1125.8 1118.2 Analysis
13 Bishop Bavin Open 2019 (C) 2019/08/17 2019/08/17 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1125.8 1118.2 Analysis
12 Ekurhuleni Trials (3) 2019 (U14) 2019/06/08 2019/06/08 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1081.5 1074.0 Analysis
11 Ekurhuleni North School District Finals 2019 (U13 Boys) 2019/05/11 2019/05/11 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1072.5 1060.6 Analysis
10 Ekurhuleni Trials 1 2019 (U14) 2019/03/09 2019/03/09 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1072.4 1057.6 Analysis
9 Springs Chess Club Open 2019 (C) 2019/02/09 2019/02/09 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1022.7 1015.0 Analysis
8 Boksburg Open 2019 (C) 2019/01/19 2019/01/19 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 961.6 933.4 Analysis
7 South African Junior Team Championships 2018 (U12D) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 5.0 906.4 883.0 Analysis
6 Inter Region GE vs JHB Metro 2018 (U12 Swiss) 2018/10/06 2018/10/06 Ekurhuleni (GE) Standard 60 0.83 5 4 0.5 927.0 909.0 Analysis
5 Ekurhuleni Grand Prix Open 2018 (C) 2018/09/14 2018/09/15 Ekurhuleni (GE) Standard 60 0.83 6 5 1.0 982.1 977.4 Analysis
4 Ekurhuleni North Schools Individuals 2018 (U11 Boys) 2018/05/12 2018/05/12 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 919.7 896.2 Analysis
3 Ekurhuleni Trials 2 2018 (U12) 2018/04/21 2018/04/21 Ekurhuleni (GE) Standard 60 0.83 5 4 0.0 1034.2 1034.2 Analysis
2 Human Rights Day Open 2018 (C) 2018/03/21 2018/03/21 Ekurhuleni (GE) Standard 60 0.83 5 4 0.0 1200.0 1200.0 Analysis
1 Ekurhuleni Trials 1 2018 (U12) 2018/03/10 2018/03/10 Ekurhuleni (GE) 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 81 33 4 44 35.0 43.2 -57.7 1051.6 993.9
White 41 17 4 20 19.0 46.3 -31.1 1049.4 1018.3
Black 40 16 0 24 16.0 40.0 -85.0 1053.8 968.8
Standard All 81 33 4 44 35.0 43.2 -57.7 1051.6 993.9
White 41 17 4 20 19.0 46.3 -31.1 1049.4 1018.3
Black 40 16 0 24 16.0 40.0 -85.0 1053.8 968.8
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 206088651 Bothma, L (Liandri) 2 2.0 2 0 0 100.0 1054.0 425.0 1479.0 View list
2 1060103466 Matlala, E (Emannuel) 2 2.0 2 0 0 100.0 1047.6 425.0 1472.6 View list
3 1060101324 Kruger, C (Cornelius) 2 1.0 1 0 1 50.0 1021.5 0.0 1021.5 View list
4 108072345 De Swardt, C (Chrizander) 2 0.0 0 0 2 0.0 1200.0 -425.0 775.0 View list
5 107092831 Laeke, N (Nahom) 2 0.0 0 0 2 0.0 980.6 -425.0 555.6 View list
6 207092830 Netshimbupfe, W (Wanga) 2 0.0 0 0 2 0.0 1136.2 -425.0 711.2 View list
7 208053148 Zeuner, R (Reeze) 2 0.0 0 0 2 0.0 1117.1 -425.0 692.1 View list
8 208061417 Botha, L (Lika) 1 1.0 1 0 0 100.0 906.4 425.0 1331.4 View list
9 208088664 Bosman, E (Elri) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 1070097287 Basin, L (Louis) 1 1.0 1 0 0 100.0 1195.1 425.0 1620.1 View list
11 208067323 Aldum, C (Carla) 1 1.0 1 0 0 100.0 1022.7 425.0 1447.7 View list
12 1070098052 Eberwein, HJ (Heinrich) 1 1.0 1 0 0 100.0 1167.2 425.0 1592.2 View list
13 1060113147 Butt, M (Muhammed) 1 1.0 1 0 0 100.0 1072.5 425.0 1497.5 View list
14 1070100613 Gabriels, J (Jawon) 1 1.0 1 0 0 100.0 906.4 425.0 1331.4 View list
15 1070109783 Gaokgorwe, O (Oatile) 1 1.0 1 0 0 100.0 1081.5 425.0 1506.5 View list
16 1070109787 Gxumisa, N (Nwabo) 1 1.0 1 0 0 100.0 1125.8 425.0 1550.8 View list
17 2090107793 King, D (Danielle) 1 1.0 1 0 0 100.0 1022.7 425.0 1447.7 View list
18 1090105302 Ludick, L (Liam) 1 1.0 1 0 0 100.0 961.6 425.0 1386.6 View list
19 1060113130 Mabunda, N (Nicolus) 1 1.0 1 0 0 100.0 1072.5 425.0 1497.5 View list
20 1000101205 Maditsi, M (Mpho Lehlohonolo) 1 1.0 1 0 0 100.0 919.7 425.0 1344.7 View list