Chess South Africa
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Chess South Africa
Coetzee, Z (Zaydan)
Dob:
2005/04/15 (U20)
Gender:
Male
Chess SA id:
1050137278
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2022/06/04 (902 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
1217.7
Current Weighted rating
1217.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1217.7
Current highest rating achieved
1217.7
Current floor (min rating allowed)
717.7
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)
±161.7
Current Raw change used (final)
0.0
Projected new Raw rating
1217.7
Projected new Weighed rating
1120.3
Projected new Weighted performance
515.0
Projected new final Raw rating (if new WP > new Raw)
1217.7
Projected new highest rating
1217.7
Projected new floor
717.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1217.7
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
1149.2
Current Weighted rating
1149.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1149.2
Current highest rating achieved
1149.2
Current floor (min rating allowed)
649.2
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)
±178.3
Current Raw change used (final)
0.0
Projected new Raw rating
1149.2
Projected new Weighed rating
1057.3
Projected new Weighted performance
236.4
Projected new final Raw rating (if new WP > new Raw)
1149.2
Projected new highest rating
1149.2
Projected new floor
649.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1149.2
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
1264.8
Current Weighted rating
1264.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1264.8
Current highest rating achieved
1264.8
Current floor (min rating allowed)
764.8
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)
±151.2
Current Raw change used (final)
0.0
Projected new Raw rating
1264.8
Projected new Weighed rating
1163.6
Projected new Weighted performance
343.0
Projected new final Raw rating (if new WP > new Raw)
1264.8
Projected new highest rating
1264.8
Projected new floor
764.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1264.8
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
Onder-Weskus Top Skole 2022 (Hoerskool)
2022/06/04
2022/06/04
West Coast (WCU)
Rapid
30
0.60
5
5
4.0
1172.1
1200.0
Analysis
1
West Coast Schools Prestige 2022 (U18 Boys)
2022/02/19
2022/02/19
West Coast (WCU)
Standard
60
0.83
6
6
2.0
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
11
6
0
5
6.0
54.5
38.6
1228.6
1267.2
White
5
4
0
1
4.0
80.0
255.0
1191.4
1446.4
Black
6
2
0
4
2.0
33.3
-141.7
1259.6
1117.9
Standard
All
6
2
0
4
2.0
33.3
-141.7
1224.0
1082.3
White
3
2
0
1
2.0
66.7
141.7
1185.7
1327.3
Black
3
0
0
3
0.0
0.0
-425.0
1262.4
837.4
Rapid
All
5
4
0
1
4.0
80.0
255.0
1234.1
1489.1
White
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
Black
3
2
0
1
2.0
66.7
141.7
1256.9
1398.5
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
1060138397
Petersen, K (Kyle)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1080142253
Oosthuizen, E (Ewout)
1
1.0
1
0
0
100.0
1172.1
425.0
1597.1
View list
3
1070142252
Ocks, J (Jason)
1
1.0
1
0
0
100.0
1172.1
425.0
1597.1
View list
4
1090131675
Holt, I (Isiah)
1
1.0
1
0
0
100.0
1172.1
425.0
1597.1
View list
5
1060142247
Burger, M (Migael)
1
1.0
1
0
0
100.0
1172.1
425.0
1597.1
View list
6
104077671
Abdol, M (Mateo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1060112307
Wilson, J (Joshua)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
105093494
Schroeder, C (Carl)
1
0.0
0
0
1
0.0
1172.1
-425.0
747.1
View list
9
106090527
Ruiters, A (Arnold-James)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
106078570
Hausiku, M (Marco)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
106066235
Fillis, J (Jordan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
