Chess South Africa
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Chess South Africa
Botha, L (Leon)
Dob:
2008/04/04 (U18)
Gender:
Male
Chess SA id:
1080155505
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2023/07/29 (333 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
1213.8
Current Weighted rating
1208.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1213.8
Current highest rating achieved
1213.8
Current floor (min rating allowed)
713.8
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)
±162.6
Current Raw change used (final)
0.0
Projected new Raw rating
1213.8
Projected new Weighed rating
1112.2
Projected new Weighted performance
608.6
Projected new final Raw rating (if new WP > new Raw)
1213.8
Projected new highest rating
1213.8
Projected new floor
713.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1213.8
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
1236.0
Current Weighted rating
1226.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1236.0
Current highest rating achieved
1236.0
Current floor (min rating allowed)
736.0
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)
±157.5
Current Raw change used (final)
0.0
Projected new Raw rating
1236.0
Projected new Weighed rating
1129.2
Projected new Weighted performance
403.8
Projected new final Raw rating (if new WP > new Raw)
1236.0
Projected new highest rating
1236.0
Projected new floor
736.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1236.0
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
1160.4
Current Weighted rating
1167.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1167.7
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)
±175.4
Current Raw change used (final)
0.0
Projected new Raw rating
1160.4
Projected new Weighed rating
1073.5
Projected new Weighted performance
269.5
Projected new final Raw rating (if new WP > new Raw)
1160.4
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)
1160.4
Projected effective change (new Official - current Official)
-7.3
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 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
2
Eureka Open 2023 (LSEN)
2023/07/29
2023/07/29
Sedibeng (GSV)
Standard
60
0.83
5
5
3.5
1179.4
1200.0
Analysis
1
Ithembelihle Open 2023 (B)
2023/05/13
2023/05/13
Ekurhuleni (GE)
Rapid
20
0.47
5
4
1.0
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
9
4
1
4
4.5
50.0
0.0
1177.6
1177.6
White
4
3
0
1
3.0
75.0
212.5
1153.1
1365.6
Black
5
1
1
3
1.5
30.0
-170.0
1197.2
1027.2
Standard
All
5
3
1
1
3.5
70.0
170.0
1197.2
1367.2
White
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
Black
3
1
1
1
1.5
50.0
0.0
1195.3
1195.3
Rapid
All
4
1
0
3
1.0
25.0
-212.5
1153.1
940.6
White
2
1
0
1
1.0
50.0
0.0
1106.3
1106.3
Black
2
0
0
2
0.0
0.0
-425.0
1200.0
775.0
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
1120158605
Schutte, C (Christiaan)
1
1.0
1
0
0
100.0
1179.4
425.0
1604.4
View list
2
1090158603
Schoeman, J (Jayden John)
1
1.0
1
0
0
100.0
1179.4
425.0
1604.4
View list
3
1090158609
Strydom, J (Jammie)
1
1.0
1
0
0
100.0
1179.4
425.0
1604.4
View list
4
1120131436
Emechebe, M (Munachim)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1070143725
De Swardt, S (Stephan)
1
0.5
0
1
0
50.0
1179.4
0.0
1179.4
View list
6
1110155524
Sefadi, E (Emmanuel Morapedi)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
1060155523
Park, R (Riddick)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
1110155515
Magistrado, R (Riley)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
2090147280
Louw, M (Mbali Thandeka)
1
0.0
0
0
1
0.0
1179.4
-425.0
754.4
View list