Chess South Africa
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Chess South Africa
Koopman, A (Avion)
Dob:
2007/11/27 (U18)
Gender:
Male
Chess SA id:
1070131124
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2024/03/02 (120 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
1166.3
Current Weighted rating
1191.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1191.2
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)
±174.0
Current Raw change used (final)
0.0
Projected new Raw rating
1166.3
Projected new Weighed rating
1095.6
Projected new Weighted performance
624.9
Projected new final Raw rating (if new WP > new Raw)
1166.3
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)
1166.3
Projected effective change (new Official - current Official)
-24.9
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
1157.9
Current Weighted rating
1189.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1189.1
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)
±176.1
Current Raw change used (final)
0.0
Projected new Raw rating
1157.9
Projected new Weighed rating
1093.5
Projected new Weighted performance
624.9
Projected new final Raw rating (if new WP > new Raw)
1157.9
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)
1157.9
Projected effective change (new Official - current Official)
-31.2
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
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
George Schools Trials 3 2024 (U18 Boys)
2024/03/02
2024/03/02
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1185.1
1182.0
Analysis
2
George Schools Trials 2 2024 (U18 Boys)
2024/02/17
2024/02/17
Eden District (WEG)
Standard
60
0.83
5
4
1.5
1200.0
1200.0
Analysis
1
George Schools Trials 1 2024 (U18 Boys)
2024/02/03
2024/02/03
Eden District (WEG)
Standard
60
0.83
5
0
0.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
George Schools Trials 3 2024 (U18 Boys)
2024/03/02
2024/03/02
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1185.1
1182.0
Analysis
3
George Schools Trials 2 2024 (U18 Boys)
2024/02/17
2024/02/17
Eden District (WEG)
Standard
60
0.83
5
4
1.5
1200.0
1200.0
Analysis
2
George Schools Trials 1 2024 (U18 Boys)
2024/02/03
2024/02/03
Eden District (WEG)
Standard
60
0.83
5
0
0.0
1200.0
1200.0
Analysis
1
George Trial 2 2020 (U14)
2020/02/08
2020/02/08
Eden District (WEG)
Standard
65
0.85
5
0
0.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
9
3
1
5
3.5
38.9
-94.4
1182.9
1088.5
White
5
2
1
2
2.5
50.0
0.0
1184.3
1184.3
Black
4
1
0
3
1.0
25.0
-212.5
1181.2
968.7
Standard
All
9
3
1
5
3.5
38.9
-94.4
1182.9
1088.5
White
5
2
1
2
2.5
50.0
0.0
1184.3
1184.3
Black
4
1
0
3
1.0
25.0
-212.5
1181.2
968.7
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
9
3
1
5
3.5
38.9
-94.4
1182.9
1088.5
White
5
2
1
2
2.5
50.0
0.0
1184.3
1184.3
Black
4
1
0
3
1.0
25.0
-212.5
1181.2
968.7
Standard
All
9
3
1
5
3.5
38.9
-94.4
1182.9
1088.5
White
5
2
1
2
2.5
50.0
0.0
1184.3
1184.3
Black
4
1
0
3
1.0
25.0
-212.5
1181.2
968.7
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
1080192934
Taylor, S (Sam)
2
0.0
0
0
2
0.0
1192.5
-425.0
767.5
View list
2
1070192930
Moen, J (Jesse)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
108085285
Harker, C (Cassidy)
1
1.0
1
0
0
100.0
1185.1
425.0
1610.1
View list
4
1060193016
Potts, E (Ethan)
1
1.0
1
0
0
100.0
1185.1
425.0
1610.1
View list
5
1070192935
Thompson, A (Adriaan)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
6
1070192933
Siyo, L (Lubabalo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
1080192932
Saayman, J (Jason)
1
0.0
0
0
1
0.0
1185.1
-425.0
760.1
View list
8
1080192931
Mohammed, I (Ibrahim)
1
0.0
0
0
1
0.0
1185.1
-425.0
760.1
View list
