Player Page

Botha, R (Randzu)
Dob: 2015/12/26 (U10)
Gender: Female
Chess SA id: 2150305065
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (18 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 rating1111.4
Current Weighted rating1175.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1175.9
Current highest rating achieved1146.5
Current floor (min rating allowed)646.5
Current K-factor40
Games played this month9
Score (S)1.0
Expected score (We)3.97
Difference (S-We)-2.35
Current Raw change (no limits, including tournament time weight)-93.8
Current min/max change allowed (with limits)±188.1
Current Raw change used (final)-93.8
Projected new Raw rating1017.6
Projected new Weighed rating1080.9
Projected new Weighted performance716.8
Projected new final Raw rating (if new WP > new Raw)1017.6
Projected new highest rating1146.5
Projected new floor646.5
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1080.9
Projected effective change (new Official - current Official)-94.9
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 month5
Score (S)0.0
Expected score (We)2.78
Difference (S-We)-2.78
Current Raw change (no limits, including tournament time weight)-100.1
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)-100.1
Projected new Raw rating1099.9
Projected new Weighed rating1104.0
Projected new Weighted performance238.5
Projected new final Raw rating (if new WP > new Raw)1099.9
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)1104.0
Projected effective change (new Official - current Official)-96.0
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 rating1066.8
Current Weighted rating1163.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1163.4
Current highest rating achieved1114.4
Current floor (min rating allowed)614.4
Current K-factor40
Games played this month4
Score (S)1.0
Expected score (We)1.43
Difference (S-We)-0.43
Current Raw change (no limits, including tournament time weight)-17.2
Current min/max change allowed (with limits)±200.5
Current Raw change used (final)-17.2
Projected new Raw rating1049.6
Projected new Weighed rating1069.0
Projected new Weighted performance667.2
Projected new final Raw rating (if new WP > new Raw)1049.6
Projected new highest rating1114.4
Projected new floor614.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1069.0
Projected effective change (new Official - current Official)-94.4
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
Tournament: Western Cape Top Schools Championship 2024 (U15 Girls)
Start: 2024/08/30  End: 2024/09/01  Host: WEG  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 0.0
Main rating: 1111.4  Rating gain/loss: -75.4
Type rating: 1200.0  Rating gain/loss: -100.1
Analysis
Tournament: The Rooibos Open 2024 (C)
Start: 2024/08/24  End: 2024/08/24  Host: WCU  Type: Rapid   Time: 35  Time weight: 0.66  Rounds: 4
Games: 4  Score: 1.0
Main rating: 1111.4  Rating gain/loss: -18.5
Type rating: 1066.8  Rating gain/loss: -17.2
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Western Cape Top Schools Championship 2024 (U15 Girls) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 5 0.0 1111.4 1200.0 Analysis
3 The Rooibos Open 2024 (C) 2024/08/24 2024/08/24 West Coast (WCU) Rapid 35 0.66 5 4 1.0 1111.4 1066.8 Analysis
2 Lambertsbay Youth Open 2024 (Open) 2024/06/17 2024/06/17 West Coast (WCU) Rapid 33 0.64 5 3 0.0 1146.5 1114.4 Analysis
1 Bo-Weskus Skole Skaak Top Skole 2024 (O15) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 5 0.5 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Western Cape Top Schools Championship 2024 (U15 Girls) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 5 0.0 1111.4 1200.0 Analysis
3 The Rooibos Open 2024 (C) 2024/08/24 2024/08/24 West Coast (WCU) Rapid 35 0.66 5 4 1.0 1111.4 1066.8 Analysis
2 Lambertsbay Youth Open 2024 (Open) 2024/06/17 2024/06/17 West Coast (WCU) Rapid 33 0.64 5 3 0.0 1146.5 1114.4 Analysis
1 Bo-Weskus Skole Skaak Top Skole 2024 (O15) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 5 0.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 17 1 1 15 1.5 8.8 -350.0 1159.7 809.7
White 7 0 1 6 0.5 7.1 -364.3 1170.8 806.5
Black 10 1 0 9 1.0 10.0 -340.0 1152.0 812.0
Standard All 5 0 0 5 0.0 0.0 -425.0 1145.0 720.0
White 2 0 0 2 0.0 0.0 -425.0 1139.8 714.8
Black 3 0 0 3 0.0 0.0 -425.0 1148.5 723.5
Rapid All 12 1 1 10 1.5 12.5 -318.8 1165.9 847.1
White 5 0 1 4 0.5 10.0 -340.0 1183.2 843.2
Black 7 1 0 6 1.0 14.3 -303.6 1153.5 850.0
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 17 1 1 15 1.5 8.8 -350.0 1159.7 809.7
White 7 0 1 6 0.5 7.1 -364.3 1170.8 806.5
Black 10 1 0 9 1.0 10.0 -340.0 1152.0 812.0
Standard All 5 0 0 5 0.0 0.0 -425.0 1145.0 720.0
White 2 0 0 2 0.0 0.0 -425.0 1139.8 714.8
Black 3 0 0 3 0.0 0.0 -425.0 1148.5 723.5
Rapid All 12 1 1 10 1.5 12.5 -318.8 1165.9 847.1
White 5 0 1 4 0.5 10.0 -340.0 1183.2 843.2
Black 7 1 0 6 1.0 14.3 -303.6 1153.5 850.0
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 1130304926 Horse, M (Mikyle) 2 0.0 0 0 2 0.0 1129.0 -425.0 704.0 View list
2 1110310688 April, M (Mj) 1 1.0 1 0 0 100.0 1111.4 425.0 1536.4 View list
3 2100305068 Klein, Z (Zairah) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
4 1140305086 Januarie, J (Johydin) 1 0.0 0 0 1 0.0 1111.4 -425.0 686.4 View list
5 2100193051 Jacobs, F (Felecia) 1 0.0 0 0 1 0.0 1111.4 -425.0 686.4 View list
6 1100145204 Syster, M (Macneil) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
7 110090536 Stewe, R (Raphael) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 2110159903 Siebritz, N (Noelle) 1 0.0 0 0 1 0.0 1146.5 -425.0 721.5 View list
9 2100306305 Pretorius, E (Elzaan Mare) 1 0.0 0 0 1 0.0 1146.5 -425.0 721.5 View list
10 2100307526 Nieman, S (Shannon) 1 0.0 0 0 1 0.0 1111.4 -425.0 686.4 View list
11 2100133799 Mudau, T (Takalani) 1 0.0 0 0 1 0.0 1111.4 -425.0 686.4 View list
12 2100307524 Madungwe, P (Primrose) 1 0.0 0 0 1 0.0 1111.4 -425.0 686.4 View list
13 2090304716 Geswindt, S (Stephline) 1 0.0 0 0 1 0.0 1111.4 -425.0 686.4 View list
14 1090305066 Farmer, J (Julian) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 1140310689 Erasmus, J (Joel) 1 0.0 0 0 1 0.0 1111.4 -425.0 686.4 View list
16 1090134282 Engelbrecht, J (Joshniquin) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list