Chess South Africa
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Chess South Africa
Botha, J (Janru)
Dob:
2007/08/23 (U18)
Gender:
Male
Chess SA id:
107089376
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2019/05/04 (2008 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
1084.6
Current Weighted rating
1084.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1084.6
Current highest rating achieved
1164.8
Current floor (min rating allowed)
664.8
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)
±195.4
Current Raw change used (final)
0.0
Projected new Raw rating
1084.6
Projected new Weighed rating
997.8
Projected new Weighted performance
156.8
Projected new final Raw rating (if new WP > new Raw)
1084.6
Projected new highest rating
1164.8
Projected new floor
664.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1084.6
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
1157.6
Current Weighted rating
1157.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1157.6
Current highest rating achieved
1157.6
Current floor (min rating allowed)
657.6
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)
±176.1
Current Raw change used (final)
0.0
Projected new Raw rating
1157.6
Projected new Weighed rating
1065.0
Projected new Weighted performance
60.6
Projected new final Raw rating (if new WP > new Raw)
1157.6
Projected new highest rating
1157.6
Projected new floor
657.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1157.6
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
1022.4
Current Weighted rating
1022.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1022.4
Current highest rating achieved
1141.6
Current floor (min rating allowed)
641.6
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)
±213.6
Current Raw change used (final)
0.0
Projected new Raw rating
1022.4
Projected new Weighed rating
940.6
Projected new Weighted performance
126.8
Projected new final Raw rating (if new WP > new Raw)
1022.4
Projected new highest rating
1141.6
Projected new floor
641.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1022.4
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
3
2019 Super 12 Laerskole (Seniors)
2019/05/04
2019/05/04
Tshwane (GTP)
Rapid
30
0.60
5
5
0.0
1146.8
1141.6
Analysis
2
2018 Super 12 (Senior)
2018/05/05
2018/05/05
Tshwane (GTP)
Rapid
30
0.60
5
5
2.0
1164.8
1200.0
Analysis
1
Fonties Challenge 2018 (U11)
2018/04/21
2018/04/21
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.5
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
15
4
1
10
4.5
30.0
-170.0
1088.5
918.5
White
9
1
1
7
1.5
16.7
-283.3
1015.1
731.8
Black
6
3
0
3
3.0
50.0
0.0
1198.5
1198.5
Standard
All
5
2
1
2
2.5
50.0
0.0
994.8
994.8
White
3
0
1
2
0.5
16.7
-283.3
858.0
574.6
Black
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
Rapid
All
10
2
0
8
2.0
20.0
-255.0
1135.3
880.3
White
6
1
0
5
1.0
16.7
-283.3
1093.7
810.3
Black
4
1
0
3
1.0
25.0
-212.5
1197.7
985.2
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
207090818
De Lange, A (Angelica)
1
1.0
1
0
0
100.0
1164.8
425.0
1589.8
View list
2
205090900
Niemand, L (Luane)
1
1.0
1
0
0
100.0
1164.8
425.0
1589.8
View list
3
2070100304
Sibiya, M (Mlaphi)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1080100305
Van Der Merwe, N (Niel)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
108076197
Swart, M (Marco)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
6
1060101116
Volschenk, N (Nathan)
1
0.0
0
0
1
0.0
1164.8
-425.0
739.8
View list
7
107082885
Visser, R (Ruan)
1
0.0
0
0
1
0.0
1164.8
-425.0
739.8
View list
8
108095757
Visagie, M (Mondre)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
109078397
Van Romburgh, DS (Daniel)
1
0.0
0
0
1
0.0
1164.8
-425.0
739.8
View list
10
208086374
Smith, KJ (Kayle)
1
0.0
0
0
1
0.0
1146.8
-425.0
721.8
View list
11
107076050
Oosthuizen, H (Henno)
1
0.0
0
0
1
0.0
1146.8
-425.0
721.8
View list
12
108090807
Mcphail, R (Ryan)
1
0.0
0
0
1
0.0
1146.8
-425.0
721.8
View list
13
107054005
Marais, A (Alex)
1
0.0
0
0
1
0.0
1146.8
-425.0
721.8
View list
14
208073206
Fauconier, A (Amber)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
207090835
Du Plessis, L (Luzette)
1
0.0
0
0
1
0.0
1146.8
-425.0
721.8
View list