Player Page

Botha, J (Jo-Ray)
Dob: 2007/02/25 (U18)
Gender: Female
Chess SA id: 2070132012
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2020/03/07 (1538 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 rating1147.7
Curent Weighted rating1147.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1147.7
Current floor (min rating allowed)647.7
Current highest rating achieved1147.7
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 rating1147.7
Projected new Weighed rating1147.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1147.7
Projected effective change (new Official - current Official)-0.0
Projected new highest rating1147.7
Projected new floor647.7
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 rating1138.0
Curent Weighted rating1138.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1138.0
Current floor (min rating allowed)638.0
Current highest rating achieved1138.0
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)±181.1
Current Raw change used (final)0.0
Projected new Raw rating1138.0
Projected new Weighed rating1138.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1138.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1138.0
Projected new floor638.0
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
2 Eden Schools Closed Trials 1 2020 (U13 Girls) 2020/03/07 2020/03/07 Eden District (WEG) Standard 65 0.85 5 5 3.0 1138.2 1125.2 Analysis
1 Oudtshoorn Proewe 1 2020 (O13) 2020/02/15 2020/02/15 Eden District (WEG) 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 10 4 0 6 4.0 40.0 -85.0 1119.8 1034.8
White 5 3 0 2 3.0 60.0 85.0 1154.5 1239.5
Black 5 1 0 4 1.0 20.0 -255.0 1085.2 830.2
Standard All 10 4 0 6 4.0 40.0 -85.0 1119.8 1034.8
White 5 3 0 2 3.0 60.0 85.0 1154.5 1239.5
Black 5 1 0 4 1.0 20.0 -255.0 1085.2 830.2
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 2080098438 Beukes, E (Envo) 1 1.0 1 0 0 100.0 1138.2 425.0 1563.2 View list
2 1000132024 Saku, L (Lisolethu) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 2070130160 Coetsee, H (Hayley) 1 1.0 1 0 0 100.0 1138.2 425.0 1563.2 View list
4 2080130832 Violante, C (Carla) 1 1.0 1 0 0 100.0 1138.2 425.0 1563.2 View list
5 2080109404 Van Staden, L (Leane) 1 0.0 0 0 1 0.0 1138.2 -425.0 713.2 View list
6 1070132025 Uithaler, K (Keano) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
7 2070108600 Bezuidenhoudt, K (Kailee) 1 0.0 0 0 1 0.0 1138.2 -425.0 713.2 View list
8 107065431 Prins, G (Gior-Danny) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 2080107828 Lingerveldt, S (Sunelda) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 1080107830 Galant, D (Dameon) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list