Chess South Africa
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Chess South Africa
Koopman, M (Mason)
Dob:
2013/08/19 (U12)
Gender:
Male
Chess SA id:
1130147350
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2023/03/04 (444 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
Curent Raw rating
1162.6
Curent Weighted rating
1165.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1165.1
Current floor (min rating allowed)
673.6
Current highest rating achieved
1173.6
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)
±174.9
Current Raw change used (final)
0.0
Projected new Raw rating
1162.6
Projected new Weighed rating
1164.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1164.4
Projected effective change (new Official - current Official)
-0.7
Projected new highest rating
1173.6
Projected new floor
673.6
Projected new K-facor
40
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
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Curent Raw rating
1142.8
Curent Weighted rating
1146.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1146.6
Current floor (min rating allowed)
658.8
Current highest rating achieved
1158.8
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)
±179.9
Current Raw change used (final)
0.0
Projected new Raw rating
1142.8
Projected new Weighed rating
1145.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1145.5
Projected effective change (new Official - current Official)
-1.0
Projected new highest rating
1158.8
Projected new floor
658.8
Projected new K-facor
40
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
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
658.8
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
658.8
Projected new K-facor
36
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
Bo-Weskus Skole Prestige 2023 (O11 Seuns)
2023/03/04
2023/03/04
West Coast (WCU)
Rapid
30
0.60
5
5
2.0
1173.6
1158.8
Analysis
1
West Coast Schools Chess Grand Challenge 2022 (PS Development)
2022/10/29
2022/10/29
West Coast (WCU)
Rapid
30
0.60
5
5
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
10
1
5
4
3.5
35.0
-127.5
1188.5
1061.0
White
6
0
3
3
1.5
25.0
-212.5
1191.1
978.6
Black
4
1
2
1
2.0
50.0
0.0
1184.5
1184.5
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
10
1
5
4
3.5
35.0
-127.5
1188.5
1061.0
White
6
0
3
3
1.5
25.0
-212.5
1191.1
978.6
Black
4
1
2
1
2.0
50.0
0.0
1184.5
1184.5
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
1130131921
Jordaan, H (Handre)
2
0.5
0
1
1
25.0
1186.8
-212.5
974.3
View list
2
1140139150
Richards, L (Lee Quin)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1130153125
Klein, G (Geo)
1
0.5
0
1
0
50.0
1173.6
0.0
1173.6
View list
4
1130131917
Dirkse, M (Monwill)
1
0.5
0
1
0
50.0
1173.6
0.0
1173.6
View list
5
1140147352
Nel, R (Ruben)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
6
1130139151
Ryk, L (Liam)
1
0.5
0
1
0
50.0
1173.6
0.0
1173.6
View list
7
2150143116
Tieties, N (Nicola)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
1100134714
Kouter, C (Carlyle)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
1130139142
Isaacs, C (Clint Lee)
1
0.0
0
0
1
0.0
1173.6
-425.0
748.6
View list