Player Page

Gertzen, R (Rihanna)
Dob: 2008/05/03 (U18)
Gender: Female
Chess SA id: 2080109421
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2024/04/20 (28 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 rating1092.4
Curent Weighted rating1140.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1140.7
Current floor (min rating allowed)650.2
Current highest rating achieved1150.2
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)±193.3
Current Raw change used (final)0.0
Projected new Raw rating1092.4
Projected new Weighed rating1136.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1136.5
Projected effective change (new Official - current Official)-4.2
Projected new highest rating1150.2
Projected new floor650.2
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 rating1071.6
Curent Weighted rating1128.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1128.8
Current floor (min rating allowed)640.0
Current highest rating achieved1140.0
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)±199.1
Current Raw change used (final)0.0
Projected new Raw rating1071.6
Projected new Weighed rating1123.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1123.8
Projected effective change (new Official - current Official)-5.0
Projected new highest rating1140.0
Projected new floor640.0
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.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Eden Chess Trials 2 2024 (U18) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 0 0.0 1092.4 1071.6 Analysis
2 Eden School Chess Trials 1 2024 (U18 Girls) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 3 0.0 1143.9 1133.6 Analysis
1 OUDUSSA Trials 2 2024 (U18 Boys+Girls) 2024/02/17 2024/02/17 Eden District (WEG) Standard 60 0.83 5 5 2.0 1150.2 1140.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 Eden Chess Trials 2 2024 (U18) 2024/04/13 2024/04/20 Eden (WEG) Standard 60 0.83 10 0 0.0 1092.4 1071.6 Analysis
4 Eden School Chess Trials 1 2024 (U18 Girls) 2024/03/09 2024/03/09 Eden District (WEG) Standard 60 0.83 5 3 0.0 1143.9 1133.6 Analysis
3 OUDUSSA Trials 2 2024 (U18 Boys+Girls) 2024/02/17 2024/02/17 Eden District (WEG) Standard 60 0.83 5 5 2.0 1150.2 1140.0 Analysis
2 Oudtshoorn Trials 3 2019 (U12) 2019/02/16 2019/02/16 Eden District (WEG) Standard 60 0.83 5 0 0.0 1200.0 1200.0 Analysis
1 Oudtshoorn Trials 2 2019 (U12) 2019/02/09 2019/02/09 Eden District (WEG) Standard 60 0.83 5 3 0.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 8 2 0 6 2.0 25.0 -212.5 1175.0 962.5
White 4 1 0 3 1.0 25.0 -212.5 1148.5 936.0
Black 4 1 0 3 1.0 25.0 -212.5 1201.4 988.9
Standard All 8 2 0 6 2.0 25.0 -212.5 1175.0 962.5
White 4 1 0 3 1.0 25.0 -212.5 1148.5 936.0
Black 4 1 0 3 1.0 25.0 -212.5 1201.4 988.9
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 11 2 1 8 2.5 22.7 -231.8 1131.2 899.4
White 6 1 0 5 1.0 16.7 -283.3 1072.9 789.6
Black 5 1 1 3 1.5 30.0 -170.0 1201.1 1031.1
Standard All 11 2 1 8 2.5 22.7 -231.8 1131.2 899.4
White 6 1 0 5 1.0 16.7 -283.3 1072.9 789.6
Black 5 1 1 3 1.5 30.0 -170.0 1201.1 1031.1
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 1070193200 Goljats, S (Samuel) 1 1.0 1 0 0 100.0 1150.2 425.0 1575.2 View list
2 1060109429 Campher, L (Luwiaan) 1 1.0 1 0 0 100.0 1150.2 425.0 1575.2 View list
3 1080107844 Avontuur, G (Gretin) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
4 2070130742 Esau, M (Monique) 1 0.0 0 0 1 0.0 1143.9 -425.0 718.9 View list
5 108086224 Du Plessis, J (Jayden) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
6 1070107864 Uithaler, K (Keanu) 1 0.0 0 0 1 0.0 1150.2 -425.0 725.2 View list
7 2080107841 Rhenier, R (Roshandre) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 108078095 Kasper, M (Maselino) 1 0.0 0 0 1 0.0 1150.2 -425.0 725.2 View list
9 2070300774 Hone, K (Kayla) 1 0.0 0 0 1 0.0 1143.9 -425.0 718.9 View list
10 1070107875 Bessie, A (Ashwill) 1 0.0 0 0 1 0.0 1150.2 -425.0 725.2 View list
11 206088319 Andrews, K (Kaylin) 1 0.0 0 0 1 0.0 1143.9 -425.0 718.9 View list