Player Page

Botha, M (Marieka)
Dob: 2005/03/08 (U20)
Gender: Female
Chess SA id: 2050118307
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2020/01/11 (1590 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 rating1124.6
Curent Weighted rating1124.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1124.6
Current floor (min rating allowed)675.4
Current highest rating achieved1175.4
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)±184.6
Current Raw change used (final)0.0
Projected new Raw rating1124.6
Projected new Weighed rating1124.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1124.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1175.4
Projected new floor675.4
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 rating1117.2
Curent Weighted rating1117.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1117.2
Current floor (min rating allowed)670.4
Current highest rating achieved1170.4
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)±186.6
Current Raw change used (final)0.0
Projected new Raw rating1117.2
Projected new Weighed rating1117.2
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1117.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1170.4
Projected new floor670.4
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)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 2019 South African Top Schools Team Championships (U15+U17 Open) 2020/01/10 2020/01/11 4 Knights (4K) Standard 90 0.94 5 4 0.0 1175.4 1170.4 Analysis
1 2019 Gauteng School League Finals (U15 Open) 2019/08/24 2019/08/24 Tshwane (GTP) Standard 60 0.83 5 3 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 7 1 0 6 1.0 14.3 -303.6 1232.4 928.9
White 3 1 0 2 1.0 33.3 -141.7 1303.0 1161.4
Black 4 0 0 4 0.0 0.0 -425.0 1179.5 754.5
Standard All 7 1 0 6 1.0 14.3 -303.6 1232.4 928.9
White 3 1 0 2 1.0 33.3 -141.7 1303.0 1161.4
Black 4 0 0 4 0.0 0.0 -425.0 1179.5 754.5
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 1050117053 Ounaceur, R (Rayhan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1040118793 Mokgatlhe, W (Warona) 1 0.0 0 0 1 0.0 1175.4 -425.0 750.4 View list
3 105020688 Marais, AJ (Alwyn) 1 0.0 0 0 1 0.0 1175.4 -425.0 750.4 View list
4 104020505 Mans, JD (Johannes) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
5 104015355 Khampepe, OJ (Olebogeng) 1 0.0 0 0 1 0.0 1175.4 -425.0 750.4 View list
6 107086377 Jacobs, TB (Tiaan Benjamin) 1 0.0 0 0 1 0.0 1175.4 -425.0 750.4 View list
7 105060681 Anderson, A (Antoine) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list