Chess South Africa
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Chess South Africa
Botha, S (Stephan)
Dob:
2005/12/14 (U20)
Gender:
Male
Chess SA id:
105091214
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
Last active:
2023/05/20 (553 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
1241.2
Current Weighted rating
1239.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1241.2
Current highest rating achieved
1241.2
Current floor (min rating allowed)
741.2
Current K-factor
36
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)
±156.4
Current Raw change used (final)
0.0
Projected new Raw rating
1241.2
Projected new Weighed rating
1140.5
Projected new Weighted performance
382.7
Projected new final Raw rating (if new WP > new Raw)
1241.2
Projected new highest rating
1241.2
Projected new floor
741.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1241.2
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
1249.2
Current Weighted rating
1246.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1249.2
Current highest rating achieved
1249.2
Current floor (min rating allowed)
749.2
Current K-factor
36
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)
±154.6
Current Raw change used (final)
0.0
Projected new Raw rating
1249.2
Projected new Weighed rating
1147.6
Projected new Weighted performance
382.7
Projected new final Raw rating (if new WP > new Raw)
1249.2
Projected new highest rating
1249.2
Projected new floor
749.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1249.2
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
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
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
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)
±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
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
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
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
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
1200.0
Projected new floor
700.0
Projected new K-facor
36
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.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
Gauteng Schools D7 2023 (U18 Boys)
2023/05/20
2023/05/20
Sedibeng (GSV)
Standard
60
0.83
5
5
4.0
1200.0
1200.0
Analysis
Game History
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
5
4
0
1
4.0
80.0
255.0
1161.4
1416.4
White
3
2
0
1
2.0
66.7
141.7
1135.7
1277.4
Black
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
Standard
All
5
4
0
1
4.0
80.0
255.0
1161.4
1416.4
White
3
2
0
1
2.0
66.7
141.7
1135.7
1277.4
Black
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1050155884
Morake, K (Kagiso)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
106077094
Mokoena, K (Kamohelo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1070155879
Lebone, R (Romanetha)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1070154724
Krweqe, I (Isiphile)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
107091654
Olivier, J (Jan-Hendrik)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
