Chess South Africa
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Chess South Africa
Mackay, Z (Ziya)
Dob:
2005/09/28 (U20)
Gender:
Female
Chess SA id:
2050117220
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2021/09/06 (1015 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
1114.6
Current Weighted rating
1114.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1114.6
Current highest rating achieved
1203.3
Current floor (min rating allowed)
703.3
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)
±187.3
Current Raw change used (final)
0.0
Projected new Raw rating
1114.6
Projected new Weighed rating
1025.4
Projected new Weighted performance
442.4
Projected new final Raw rating (if new WP > new Raw)
1114.6
Projected new highest rating
1203.3
Projected new floor
703.3
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1114.6
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
1129.4
Current Weighted rating
1129.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1129.4
Current highest rating achieved
1203.2
Current floor (min rating allowed)
703.2
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)
±183.4
Current Raw change used (final)
0.0
Projected new Raw rating
1129.4
Projected new Weighed rating
1039.0
Projected new Weighted performance
339.4
Projected new final Raw rating (if new WP > new Raw)
1129.4
Projected new highest rating
1203.2
Projected new floor
703.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1129.4
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
1090.0
Current Weighted rating
1090.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1090.0
Current highest rating achieved
1090.0
Current floor (min rating allowed)
590.0
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)
±193.9
Current Raw change used (final)
0.0
Projected new Raw rating
1090.0
Projected new Weighed rating
1002.8
Projected new Weighted performance
199.2
Projected new final Raw rating (if new WP > new Raw)
1090.0
Projected new highest rating
1090.0
Projected new floor
590.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1090.0
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.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
JMC Helpmekaar 2021 (U18)
2021/09/06
2021/09/06
Johannesburg Metro (GJM)
Rapid
30
0.60
5
4
0.0
1137.9
1200.0
Analysis
3
2019 Gauteng School League Finals (U15 Girls)
2019/08/24
2019/08/24
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1203.3
1203.2
Analysis
2
ChessExcellence Crawford Lonehill Club 2019
2019/08/21
2019/08/28
Chess Excellence (CEX)
Standard
60
0.83
6
6
2.0
1203.3
1203.2
Analysis
1
JHB North High School League 2019
2019/02/19
2019/07/22
Chess Excellence (CEX)
Standard
60
0.83
5
5
3.0
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
20
7
0
13
7.0
35.0
-127.5
1179.9
1052.4
White
9
4
0
5
4.0
44.4
-47.2
1137.3
1090.1
Black
11
3
0
8
3.0
27.3
-193.2
1214.8
1021.6
Standard
All
16
7
0
9
7.0
43.8
-53.1
1139.7
1086.6
White
7
4
0
3
4.0
57.1
60.7
1088.5
1149.2
Black
9
3
0
6
3.0
33.3
-141.7
1179.5
1037.8
Rapid
All
4
0
0
4
0.0
0.0
-425.0
1340.9
915.9
White
2
0
0
2
0.0
0.0
-425.0
1308.3
883.3
Black
2
0
0
2
0.0
0.0
-425.0
1373.5
948.5
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
2050118293
Duwarka, IJ (Ishka Jo-Anne)
1
1.0
1
0
0
100.0
1203.3
425.0
1628.3
View list
2
1040117216
Dibete, B (Boitumelo)
1
1.0
1
0
0
100.0
1203.3
425.0
1628.3
View list
3
102004009
Butkow, B (Brent)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
102080939
Ndoroo, S (Sean)
1
1.0
1
0
0
100.0
1203.3
425.0
1628.3
View list
5
1070114236
Ndlovu, T (Tivo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
2060118283
Mabena, T (Thembekile)
1
1.0
1
0
0
100.0
1203.3
425.0
1628.3
View list
7
1020117205
Ramphenyane, T (Takatso)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
105044908
Xiao, R (Ryan)
1
0.0
0
0
1
0.0
1137.9
-425.0
712.9
View list
9
101044637
Ward, J (Joshua)
1
0.0
0
0
1
0.0
1203.3
-425.0
778.3
View list
10
205058615
Tiawoun, O (Oneyda)
1
0.0
0
0
1
0.0
1203.3
-425.0
778.3
View list
11
1050134892
Shubham, K (Kale)
1
0.0
0
0
1
0.0
1137.9
-425.0
712.9
View list
12
205031170
Prinsloo, TE (Thiana)
1
0.0
0
0
1
0.0
1203.3
-425.0
778.3
View list
13
105092236
Njoku, W (Wisdom)
1
0.0
0
0
1
0.0
1137.9
-425.0
712.9
View list
14
104056084
Lipschitz, L (Levi)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
104092802
Jordan, J (John)
1
0.0
0
0
1
0.0
1137.9
-425.0
712.9
View list
16
1050118491
Naidoo, S (Sashen)
1
0.0
0
0
1
0.0
1203.3
-425.0
778.3
View list
17
2040105871
Muravha, N (Nbiwana)
1
0.0
0
0
1
0.0
1203.3
-425.0
778.3
View list
18
2050103904
Malhotra, R (Rhea)
1
0.0
0
0
1
0.0
1203.3
-425.0
778.3
View list
19
1050117206
Madolo, S (Sozi)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
20
103088492
Baliraj, S (Sanjeev)
1
0.0
0
0
1
0.0
1203.3
-425.0
778.3
View list