Player Page

Botha, R (Randzu)
Dob: 2015/12/26 (U10)
Gender: Male
Chess SA id: 1150305065
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/06/17 (9 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 rating1146.5
Current Weighted rating1195.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1195.7
Current highest rating achieved1146.5
Current floor (min rating allowed)646.5
Current K-factor40
Games played this month3
Score (S)0.0
Expected score (We)1.37
Difference (S-We)-0.88
Current Raw change (no limits, including tournament time weight)-35.1
Current min/max change allowed (with limits)±178.9
Current Raw change used (final)-35.1
Projected new Raw rating1111.4
Projected new Weighed rating1099.9
Projected new Weighted performance439.3
Projected new final Raw rating (if new WP > new Raw)1111.4
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)1111.4
Projected effective change (new Official - current Official)-84.3
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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
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 rating1114.4
Current Weighted rating1193.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1193.2
Current highest rating achieved1114.4
Current floor (min rating allowed)614.4
Current K-factor40
Games played this month3
Score (S)0.0
Expected score (We)1.19
Difference (S-We)-1.19
Current Raw change (no limits, including tournament time weight)-47.6
Current min/max change allowed (with limits)±187.3
Current Raw change used (final)-47.6
Projected new Raw rating1066.8
Projected new Weighed rating1097.4
Projected new Weighted performance462.4
Projected new final Raw rating (if new WP > new Raw)1066.8
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)1097.4
Projected effective change (new Official - current Official)-95.7
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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: Lambertsbay Youth Open 2024 (Open)
Start: 2024/06/17  End: 2024/06/17  Host: WCU  Type: Rapid   Time: 33  Time weight: 0.64  Rounds: 3
Games: 3  Score: 0.0
Main rating: 1146.5  Rating gain/loss: -35.1
Type rating: 1114.4  Rating gain/loss: -47.6
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
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 8 0 1 7 0.5 6.3 -371.9 1160.5 788.6
White 3 0 1 2 0.5 16.7 -283.3 1195.3 912.0
Black 5 0 0 5 0.0 0.0 -425.0 1139.5 714.5
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 8 0 1 7 0.5 6.3 -371.9 1160.5 788.6
White 3 0 1 2 0.5 16.7 -283.3 1195.3 912.0
Black 5 0 0 5 0.0 0.0 -425.0 1139.5 714.5
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 8 0 1 7 0.5 6.3 -371.9 1160.5 788.6
White 3 0 1 2 0.5 16.7 -283.3 1195.3 912.0
Black 5 0 0 5 0.0 0.0 -425.0 1139.5 714.5
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 8 0 1 7 0.5 6.3 -371.9 1160.5 788.6
White 3 0 1 2 0.5 16.7 -283.3 1195.3 912.0
Black 5 0 0 5 0.0 0.0 -425.0 1139.5 714.5
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 2100305068 Klein, Z (Zairah) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
2 1100145204 Syster, M (Macneil) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
3 110090536 Stewe, R (Raphael) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
4 2110159903 Siebritz, N (Noelle) 1 0.0 0 0 1 0.0 1146.5 -425.0 721.5 View list
5 2100306305 Pretorius, E (Elzaan Mare) 1 0.0 0 0 1 0.0 1146.5 -425.0 721.5 View list
6 1130304926 Horse, M (Mikyle) 1 0.0 0 0 1 0.0 1146.5 -425.0 721.5 View list
7 1090305066 Farmer, J (Julian) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 1090134282 Engelbrecht, J (Joshniquin) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list