Chess South Africa
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Chess South Africa
Du Randt, Z (Zack)
Dob:
2006/10/12 (U20)
Gender:
Male
Chess SA id:
1060113138
FIDE id:
Region:
West Rand (GWR)
Citizen:
RSA
Title(s):
Last active:
2024/04/19 (29 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
1097.9
Curent Weighted rating
1149.5
Curent Weighted performance
870.3
Current official/published rating (highest between Raw, WR and WP)
1149.5
Current floor (min rating allowed)
685.7
Current highest rating achieved
1185.7
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)
±191.8
Current Raw change used (final)
0.0
Projected new Raw rating
1097.9
Projected new Weighed rating
1144.4
Projected new Weighted performance
870.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1144.4
Projected effective change (new Official - current Official)
-5.0
Projected new highest rating
1185.7
Projected new floor
685.7
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
1150.4
Curent Weighted rating
1157.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1157.9
Current floor (min rating allowed)
682.8
Current highest rating achieved
1182.8
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)
±178.0
Current Raw change used (final)
0.0
Projected new Raw rating
1150.4
Projected new Weighed rating
1156.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1156.7
Projected effective change (new Official - current Official)
-1.2
Projected new highest rating
1182.8
Projected new floor
682.8
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
1075.6
Curent Weighted rating
1160.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1160.6
Current floor (min rating allowed)
660.0
Current highest rating achieved
1160.0
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)
±198.0
Current Raw change used (final)
0.0
Projected new Raw rating
1075.6
Projected new Weighed rating
1152.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1152.8
Projected effective change (new Official - current Official)
-7.8
Projected new highest rating
1160.0
Projected new floor
660.0
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)
660.0
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
660.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
NWU Super 16 2024
2024/04/19
2024/04/19
Gert Sibande (MGS)
Rapid
30
0.60
6
6
0.5
1145.2
1160.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
NWU Super 16 2024
2024/04/19
2024/04/19
Gert Sibande (MGS)
Rapid
30
0.60
6
6
0.5
1145.2
1160.0
Analysis
4
D2 School League Finals 2023 (U19)
2023/07/22
2023/07/22
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1143.9
1154.8
Analysis
3
D2 Schools Individuals 2023 (U18 Boys)
2023/05/13
2023/05/13
West Rand (GWR)
Standard
60
0.83
5
4
1.0
1164.8
1182.8
Analysis
2
NWU Super 16 2023 (A)
2023/04/21
2023/04/21
Gert Sibande (MGS)
Rapid
30
0.60
7
6
2.0
1185.7
1200.0
Analysis
1
Ekurhuleni North School District Finals 2019 (U13 Boys)
2019/05/11
2019/05/11
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
6
0
1
5
0.5
8.3
-354.2
1221.7
867.5
White
3
0
1
2
0.5
16.7
-283.3
1237.5
954.2
Black
3
0
0
3
0.0
0.0
-425.0
1205.8
780.8
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
6
0
1
5
0.5
8.3
-354.2
1221.7
867.5
White
3
0
1
2
0.5
16.7
-283.3
1237.5
954.2
Black
3
0
0
3
0.0
0.0
-425.0
1205.8
780.8
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
26
7
1
18
7.5
28.8
-179.8
1219.6
1039.8
White
12
5
1
6
5.5
45.8
-35.4
1231.5
1196.1
Black
14
2
0
12
2.0
14.3
-303.6
1209.4
905.8
Standard
All
14
5
0
9
5.0
35.7
-121.4
1224.7
1103.3
White
6
3
0
3
3.0
50.0
0.0
1238.6
1238.6
Black
8
2
0
6
2.0
25.0
-212.5
1214.2
1001.7
Rapid
All
12
2
1
9
2.5
20.8
-247.9
1213.6
965.7
White
6
2
1
3
2.5
41.7
-70.8
1224.3
1153.5
Black
6
0
0
6
0.0
0.0
-425.0
1202.9
777.9
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
1050158459
Carstens, D (Donovan)
1
1.0
1
0
0
100.0
1143.9
425.0
1568.9
View list
2
207067880
Graaff, C (Christel)
1
1.0
1
0
0
100.0
1143.9
425.0
1568.9
View list
3
1090113128
Makubetse, P (Piet)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1060149214
Motlhwe, T (Tshwanelo)
1
1.0
1
0
0
100.0
1164.8
425.0
1589.8
View list
5
1050140954
Mokgoja, K (Katlego)
1
1.0
1
0
0
100.0
1185.7
425.0
1610.7
View list
6
1060113169
Nchaka, P (Prince)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1090154373
Landman, S (Siboniso)
1
1.0
1
0
0
100.0
1185.7
425.0
1610.7
View list
8
1080109131
Klopper, J (Jadin)
1
0.5
0
1
0
50.0
1145.2
0.0
1145.2
View list
9
1070152532
Mulder, A (Adriaan)
1
0.0
0
0
1
0.0
1164.8
-425.0
739.8
View list
10
1060149215
Mphaphathi, L (Lethabo)
1
0.0
0
0
1
0.0
1164.8
-425.0
739.8
View list
11
1070113132
Masinga, T (Terrence)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
12
1070152522
Lefete, T (Thapelo)
1
0.0
0
0
1
0.0
1164.8
-425.0
739.8
View list
13
107090816
Lategan, H (Hanru)
1
0.0
0
0
1
0.0
1145.2
-425.0
720.2
View list
14
1070104963
Fischer, RD (Reven Dylan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
1080115588
Coetzee, IJ (Ivander Johannes)
1
0.0
0
0
1
0.0
1145.2
-425.0
720.2
View list
16
1070101209
Kheswa, NNO (Nhlanhla Njabulo Olwethu)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
17
1060145441
Khalid, H (Hamza)
1
0.0
0
0
1
0.0
1145.2
-425.0
720.2
View list
18
1070100930
Kgaswe, T (Thapelo)
1
0.0
0
0
1
0.0
1143.9
-425.0
718.9
View list
19
1060154368
Jacobs, M (Mynhardt)
1
0.0
0
0
1
0.0
1185.7
-425.0
760.7
View list
20
1090154367
Iyonmahan, E (Esosa)
1
0.0
0
0
1
0.0
1145.2
-425.0
720.2
View list