Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Butkow, B (Brent)
Dob:
2002/07/11 (Adult)
Gender:
Male
Chess SA id:
102004009
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2019/07/22 (1801 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
888.2
Current Weighted rating
888.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
888.2
Current highest rating achieved
901.0
Current floor (min rating allowed)
500.0
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)
±258.6
Current Raw change used (final)
0.0
Projected new Raw rating
888.2
Projected new Weighed rating
817.1
Projected new Weighted performance
159.7
Projected new final Raw rating (if new WP > new Raw)
888.2
Projected new highest rating
901.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
888.2
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
900.6
Current Weighted rating
900.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
900.6
Current highest rating achieved
901.0
Current floor (min rating allowed)
500.0
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)
±254.0
Current Raw change used (final)
0.0
Projected new Raw rating
900.6
Projected new Weighed rating
828.6
Projected new Weighted performance
159.7
Projected new final Raw rating (if new WP > new Raw)
900.6
Projected new highest rating
901.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
900.6
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
827.4
Current Weighted rating
827.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
827.4
Current highest rating achieved
901.0
Current floor (min rating allowed)
500.0
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)
±282.0
Current Raw change used (final)
0.0
Projected new Raw rating
827.4
Projected new Weighed rating
761.2
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
901.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
827.4
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
827.4
Current Weighted rating
827.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
827.4
Current highest rating achieved
901.0
Current floor (min rating allowed)
500.0
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)
±282.0
Current Raw change used (final)
0.0
Projected new Raw rating
827.4
Projected new Weighed rating
761.2
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
901.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
827.4
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
JHB North High School League 2019
2019/02/19
2019/07/22
Chess Excellence (CEX)
Standard
60
0.83
5
5
2.0
827.4
827.4
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
2
0
3
2.0
40.0
-85.0
1334.9
1249.9
White
3
1
0
2
1.0
33.3
-141.7
1424.8
1283.1
Black
2
1
0
1
1.0
50.0
0.0
1200.0
1200.0
Standard
All
5
2
0
3
2.0
40.0
-85.0
1334.9
1249.9
White
3
1
0
2
1.0
33.3
-141.7
1424.8
1283.1
Black
2
1
0
1
1.0
50.0
0.0
1200.0
1200.0
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
1050117202
Sithole, C (Collin)
1
1.0
1
0
0
100.0
827.4
425.0
1252.4
View list
2
1030117166
Majamany, T (Tylin)
1
1.0
1
0
0
100.0
827.4
425.0
1252.4
View list
3
104056090
Weisz, B (Benjamin)
1
0.0
0
0
1
0.0
827.4
-425.0
402.4
View list
4
2050117220
Mackay, Z (Ziya)
1
0.0
0
0
1
0.0
827.4
-425.0
402.4
View list
5
203010232
Gardiner, N (Noa)
1
0.0
0
0
1
0.0
827.4
-425.0
402.4
View list
