Player Page

Waithaka, S (Sifa)
Dob: 2006/07/01 (U20)
Gender: Female
Chess SA id: 206092256
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/08/17 (99 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
Current Raw rating1184.7
Current Weighted rating1173.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1184.7
Current highest rating achieved1184.7
Current floor (min rating allowed)684.7
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)±169.5
Current Raw change used (final)0.0
Projected new Raw rating1184.7
Projected new Weighed rating1079.2
Projected new Weighted performance469.9
Projected new final Raw rating (if new WP > new Raw)1184.7
Projected new highest rating1184.7
Projected new floor684.7
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1184.7
Projected effective change (new Official - current Official)=0.0
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
Current Raw rating1178.4
Current Weighted rating1163.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1178.4
Current highest rating achieved1178.4
Current floor (min rating allowed)678.4
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)±171.0
Current Raw change used (final)0.0
Projected new Raw rating1178.4
Projected new Weighed rating1070.6
Projected new Weighted performance469.9
Projected new final Raw rating (if new WP > new Raw)1178.4
Projected new highest rating1178.4
Projected new floor678.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1178.4
Projected effective change (new Official - current Official)=0.0
s
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
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
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
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Gauteng Schools Individuals Finals 2024 (U18 Girls) 2024/08/17 2024/08/17 Ekurhuleni (GE) Standard 60 0.83 5 4 2.0 1170.8 1160.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 Gauteng Schools Individuals Finals 2024 (U18 Girls) 2024/08/17 2024/08/17 Ekurhuleni (GE) Standard 60 0.83 5 4 2.0 1170.8 1160.8 Analysis
1 Chessnuts Spring 2018 (Knights) 2018/09/29 2018/09/29 Johannesburg Metro (GJM) 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 4 2 0 2 2.0 50.0 0.0 1260.5 1260.5
White 2 2 0 0 2.0 100.0 425.0 1203.5 1628.5
Black 2 0 0 2 0.0 0.0 -425.0 1317.4 892.4
Standard All 4 2 0 2 2.0 50.0 0.0 1260.5 1260.5
White 2 2 0 0 2.0 100.0 425.0 1203.5 1628.5
Black 2 0 0 2 0.0 0.0 -425.0 1317.4 892.4
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 9 4 0 5 4.0 44.4 -47.2 1186.8 1139.6
White 4 4 0 0 4.0 100.0 425.0 1186.8 1611.8
Black 5 0 0 5 0.0 0.0 -425.0 1186.9 761.9
Standard All 9 4 0 5 4.0 44.4 -47.2 1186.8 1139.6
White 4 4 0 0 4.0 100.0 425.0 1186.8 1611.8
Black 5 0 0 5 0.0 0.0 -425.0 1186.9 761.9
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2080310599 Musiyariya, M (Makanaka) 1 1.0 1 0 0 100.0 1170.8 425.0 1595.8 View list
2 2080304563 Mungwe, S (Sinethemba) 1 1.0 1 0 0 100.0 1170.8 425.0 1595.8 View list
3 1110099269 Meij, A (Ariel) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1110100197 Van Der Merwe, D (Divan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 2070100307 Pretorius, K (Klarissa) 1 0.0 0 0 1 0.0 1170.8 -425.0 745.8 View list
6 2080145960 Ntini, K (Keamogetswe Precious) 1 0.0 0 0 1 0.0 1170.8 -425.0 745.8 View list
7 109082811 Maritz, J (Jaydon) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 1070100300 Luus, J (Jg) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 107092250 Brown, D (Daniel) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list