Chess South Africa
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Chess South Africa
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:
2024/05/11 (37 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
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 rating
1146.5
Current Weighted rating
1195.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1195.7
Current highest rating achieved
1146.5
Current floor (min rating allowed)
646.5
Current K-factor
40
Games played this month
0
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)
±178.9
Current Raw change used (final)
0.0
Projected new Raw rating
1146.5
Projected new Weighed rating
1099.9
Projected new Weighted performance
253.7
Projected new final Raw rating (if new WP > new Raw)
1146.5
Projected new highest rating
1146.5
Projected new floor
646.5
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1146.5
Projected effective change (new Official - current Official)
-49.2
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 rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
0.0
Current floor (min rating allowed)
700.0
Current K-factor
40
Games played this month
0
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 rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
0.0
Projected new floor
700.0
Projected new K-facor
40
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 rating
1114.4
Current Weighted rating
1193.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1193.2
Current highest rating achieved
1114.4
Current floor (min rating allowed)
614.4
Current K-factor
40
s
Games played this month
0
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)
±187.3
Current Raw change used (final)
0.0
Projected new Raw rating
1114.4
Projected new Weighed rating
1097.4
Projected new Weighted performance
267.1
Projected new final Raw rating (if new WP > new Raw)
1114.4
Projected new highest rating
1114.4
Projected new floor
614.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1114.4
Projected effective change (new Official - current Official)
-78.8
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 rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
0.0
Current floor (min rating allowed)
700.0
Current K-factor
40
Games played this month
0
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 rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
0.0
Projected new floor
700.0
Projected new K-facor
40
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
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
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
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
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
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
0
1
4
0.5
10.0
-340.0
1151.4
811.4
White
2
0
1
1
0.5
25.0
-212.5
1200.0
987.5
Black
3
0
0
3
0.0
0.0
-425.0
1119.1
694.1
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
5
0
1
4
0.5
10.0
-340.0
1151.4
811.4
White
2
0
1
1
0.5
25.0
-212.5
1200.0
987.5
Black
3
0
0
3
0.0
0.0
-425.0
1119.1
694.1
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
5
0
1
4
0.5
10.0
-340.0
1151.4
811.4
White
2
0
1
1
0.5
25.0
-212.5
1200.0
987.5
Black
3
0
0
3
0.0
0.0
-425.0
1119.1
694.1
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
5
0
1
4
0.5
10.0
-340.0
1151.4
811.4
White
2
0
1
1
0.5
25.0
-212.5
1200.0
987.5
Black
3
0
0
3
0.0
0.0
-425.0
1119.1
694.1
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
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
1090305066
Farmer, J (Julian)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1090134282
Engelbrecht, J (Joshniquin)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
