Chess South Africa
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Chess South Africa
Coetser, W (Wian)
Dob:
2010/09/24 (U16)
Gender:
Male
Chess SA id:
1100301182
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/03/16 (105 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
1195.6
Current Weighted rating
1199.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1199.0
Current highest rating achieved
1195.6
Current floor (min rating allowed)
695.6
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)
±166.9
Current Raw change used (final)
0.0
Projected new Raw rating
1195.6
Projected new Weighed rating
1103.0
Projected new Weighted performance
361.2
Projected new final Raw rating (if new WP > new Raw)
1195.6
Projected new highest rating
1195.6
Projected new floor
695.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1195.6
Projected effective change (new Official - current Official)
-3.4
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
0.0
Current floor (min rating allowed)
700.0
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)
±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
0.0
Projected new floor
700.0
Projected new K-facor
40
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
1188.0
Current Weighted rating
1197.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1197.2
Current highest rating achieved
1188.0
Current floor (min rating allowed)
688.0
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)
±168.7
Current Raw change used (final)
0.0
Projected new Raw rating
1188.0
Projected new Weighed rating
1101.4
Projected new Weighted performance
380.2
Projected new final Raw rating (if new WP > new Raw)
1188.0
Projected new highest rating
1188.0
Projected new floor
688.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1188.0
Projected effective change (new Official - current Official)
-9.2
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
0.0
Current floor (min rating allowed)
700.0
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)
±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
0.0
Projected new floor
700.0
Projected new K-facor
40
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Benoni High Schools Cluster Individuals 2024 (U15 Boys)
2024/03/16
2024/03/16
Ekurhuleni (GE)
Rapid
45
0.74
5
5
2.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
Benoni High Schools Cluster Individuals 2024 (U15 Boys)
2024/03/16
2024/03/16
Ekurhuleni (GE)
Rapid
45
0.74
5
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
2
0
3
2.0
40.0
-85.0
1268.3
1183.3
White
3
1
0
2
1.0
33.3
-141.7
1261.7
1120.0
Black
2
1
0
1
1.0
50.0
0.0
1278.2
1278.2
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
5
2
0
3
2.0
40.0
-85.0
1268.3
1183.3
White
3
1
0
2
1.0
33.3
-141.7
1261.7
1120.0
Black
2
1
0
1
1.0
50.0
0.0
1278.2
1278.2
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
2
0
3
2.0
40.0
-85.0
1268.3
1183.3
White
3
1
0
2
1.0
33.3
-141.7
1261.7
1120.0
Black
2
1
0
1
1.0
50.0
0.0
1278.2
1278.2
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
5
2
0
3
2.0
40.0
-85.0
1268.3
1183.3
White
3
1
0
2
1.0
33.3
-141.7
1261.7
1120.0
Black
2
1
0
1
1.0
50.0
0.0
1278.2
1278.2
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
1090151755
Skwatsha, S (Sipho)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1100301194
Seedat, I (Ismaeel)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1100116478
Smith, H (Henre)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
4
1090154889
Posthumus, T (Tristann)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1090101501
Botha, T (Trevor Justus)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
