Chess South Africa
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Chess South Africa
Botha, J (Johnty)
Dob:
2008/01/01 (U18)
Gender:
Male
Chess SA id:
1080151067
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2023/02/11 (501 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
1252.8
Current Weighted rating
1247.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1252.8
Current highest rating achieved
1252.8
Current floor (min rating allowed)
752.8
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)
±153.8
Current Raw change used (final)
0.0
Projected new Raw rating
1252.8
Projected new Weighed rating
1148.9
Projected new Weighted performance
404.2
Projected new final Raw rating (if new WP > new Raw)
1252.8
Projected new highest rating
1252.8
Projected new floor
752.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1252.8
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
1264.0
Current Weighted rating
1258.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1264.0
Current highest rating achieved
1264.0
Current floor (min rating allowed)
764.0
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)
±151.4
Current Raw change used (final)
0.0
Projected new Raw rating
1264.0
Projected new Weighed rating
1158.4
Projected new Weighted performance
404.2
Projected new final Raw rating (if new WP > new Raw)
1264.0
Projected new highest rating
1264.0
Projected new floor
764.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1264.0
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
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
Oudussa Proewe 1 2023 (U15 Boys)
2023/02/11
2023/02/11
Eden District (WEG)
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
1208.9
1463.9
White
2
2
0
0
2.0
100.0
425.0
1166.3
1591.3
Black
3
2
0
1
2.0
66.7
141.7
1237.3
1378.9
Standard
All
5
4
0
1
4.0
80.0
255.0
1208.9
1463.9
White
2
2
0
0
2.0
100.0
425.0
1166.3
1591.3
Black
3
2
0
1
2.0
66.7
141.7
1237.3
1378.9
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
1090139255
Makwasa, E (Ebrahim)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1080139263
Claassen, G (Gretin)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1090131989
Claassen, A (Angelo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1080151069
Campher, J (Jevandre)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1080151080
Piennaar, A (Anthen)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
