Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Mahlangu, K (Kotsana)
Dob:
2009/04/22 (U16)
Gender:
Male
Chess SA id:
1090098195
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2018/09/15 (2264 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
1115.0
Current Weighted rating
1115.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1115.0
Current highest rating achieved
1145.9
Current floor (min rating allowed)
645.9
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)
±187.2
Current Raw change used (final)
0.0
Projected new Raw rating
1115.0
Projected new Weighed rating
1025.8
Projected new Weighted performance
43.0
Projected new final Raw rating (if new WP > new Raw)
1115.0
Projected new highest rating
1145.9
Projected new floor
645.9
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1115.0
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
1095.2
Current Weighted rating
1095.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1095.2
Current highest rating achieved
1131.2
Current floor (min rating allowed)
631.2
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)
±192.5
Current Raw change used (final)
0.0
Projected new Raw rating
1095.2
Projected new Weighed rating
1007.6
Projected new Weighted performance
43.0
Projected new final Raw rating (if new WP > new Raw)
1095.2
Projected new highest rating
1131.2
Projected new floor
631.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1095.2
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
2
Ekurhuleni Grand Prix Open 2018 (D)
2018/09/15
2018/09/15
Ekurhuleni (GE)
Standard
60
0.83
5
2
0.0
1145.9
1131.2
Analysis
1
Ekurhuleni Trials 1 2018 (U10)
2018/03/10
2018/03/10
Ekurhuleni (GE)
Standard
60
0.83
5
4
1.5
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
6
1
1
4
1.5
25.0
-212.5
1000.8
788.3
White
3
1
0
2
1.0
33.3
-141.7
1136.2
994.6
Black
3
0
1
2
0.5
16.7
-283.3
865.4
582.1
Standard
All
6
1
1
4
1.5
25.0
-212.5
1000.8
788.3
White
3
1
0
2
1.0
33.3
-141.7
1136.2
994.6
Black
3
0
1
2
0.5
16.7
-283.3
865.4
582.1
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
209088663
Mahne, A (Anika)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
210092453
Janse Van Rensburg, R (Rouve)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
3
211088038
Venter, Z (Zanell)
1
0.0
0
0
1
0.0
1145.9
-425.0
720.9
View list
4
210088032
De Vasconcelos, T (Tiaana)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1090097352
Buthelezi, S (Sihle)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1120104109
Bowers, M (Mpho)
1
0.0
0
0
1
0.0
1145.9
-425.0
720.9
View list
