Player Page

Hartzenberg, E (Ethan)
Dob: 2010/02/20 (U16)
Gender: Male
Chess SA id: 1100096196
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2023/07/29 (293 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 rating1043.8
Curent Weighted rating1047.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1047.9
Current floor (min rating allowed)631.6
Current highest rating achieved1131.6
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)±207.1
Current Raw change used (final)0.0
Projected new Raw rating1043.8
Projected new Weighed rating1047.3
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1047.3
Projected effective change (new Official - current Official)-0.6
Projected new highest rating1131.6
Projected new floor631.6
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 rating1030.4
Curent Weighted rating1030.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1030.4
Current floor (min rating allowed)617.6
Current highest rating achieved1117.6
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)±211.1
Current Raw change used (final)0.0
Projected new Raw rating1030.4
Projected new Weighed rating1030.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1030.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1117.6
Projected new floor617.6
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 rating1134.4
Curent Weighted rating1154.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1154.3
Current floor (min rating allowed)634.4
Current highest rating achieved1134.4
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)±182.1
Current Raw change used (final)0.0
Projected new Raw rating1134.4
Projected new Weighed rating1151.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1151.5
Projected effective change (new Official - current Official)-2.8
Projected new highest rating1134.4
Projected new floor634.4
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)634.4
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 floor634.4
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 CT Metro District East Top Schools Chess 2023 (U11 Mixed) 2023/07/29 2023/07/29 Cape Town (WCT) Rapid 30 0.60 7 6 1.0 1057.2 1200.0 Analysis
3 George Trails 3 2018 (U10) 2018/02/24 2018/02/24 Eden District (WEG) Standard 60 0.83 5 4 0.5 1131.6 1117.6 Analysis
2 George Trails 2 2018 (U10) 2018/02/10 2018/02/10 Eden District (WEG) Standard 60 0.83 5 0 0.0 1131.6 1117.6 Analysis
1 George Trails 1 2018 (U10) 2018/01/27 2018/01/27 Eden District (WEG) Standard 60 0.83 5 5 2.0 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 15 3 1 11 3.5 23.3 -226.7 1032.7 806.1
White 8 3 1 4 3.5 43.8 -53.1 1138.0 1084.9
Black 7 0 0 7 0.0 0.0 -425.0 912.4 487.4
Standard All 9 2 1 6 2.5 27.8 -188.9 877.6 688.7
White 5 2 1 2 2.5 50.0 0.0 1070.7 1070.7
Black 4 0 0 4 0.0 0.0 -425.0 636.3 211.3
Rapid All 6 1 0 5 1.0 16.7 -283.3 1265.4 982.1
White 3 1 0 2 1.0 33.3 -141.7 1250.2 1108.5
Black 3 0 0 3 0.0 0.0 -425.0 1280.6 855.6
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 1130158879 Katazwa, M (Milani) 1 1.0 1 0 0 100.0 1057.2 425.0 1482.2 View list
2 109095390 Skeen, M (Michael) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 110095370 Van Der Rijst, C (Connor) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 109095375 Swart, D (Daniel) 1 0.5 0 1 0 50.0 1131.6 0.0 1131.6 View list
5 109077753 Van Loggerenberg, U (Ulrich) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
6 109086413 Scholtz, H (Hanko) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
7 2130138971 Pretorius, M (Mia) 1 0.0 0 0 1 0.0 1057.2 -425.0 632.2 View list
8 109095395 Nortje, M (Marthinus) 1 0.0 0 0 1 0.0 1131.6 -425.0 706.6 View list
9 2130134750 Mdashe, E (Elam) 1 0.0 0 0 1 0.0 1057.2 -425.0 632.2 View list
10 1130150133 Makumbe, P (Passion) 1 0.0 0 0 1 0.0 1057.2 -425.0 632.2 View list
11 1120147731 Harding, J (Jodie) 1 0.0 0 0 1 0.0 1057.2 -425.0 632.2 View list
12 109086417 Du Plessis, J (Jac) 1 0.0 0 0 1 0.0 1131.6 -425.0 706.6 View list
13 110086098 Booysen, L (Lukas) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
14 1120151127 Arnold, A (Abdul) 1 0.0 0 0 1 0.0 1057.2 -425.0 632.2 View list
15 209085309 Adrian, S (Stella) 1 0.0 0 0 1 0.0 1131.6 -425.0 706.6 View list