Chess South Africa
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Chess South Africa
Stock, Z (Zack)
Dob:
2012/12/21 (U14)
Gender:
Male
Chess SA id:
1120146892
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/03/03 (62 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
1254.5
Curent Weighted rating
1230.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1254.5
Current floor (min rating allowed)
781.7
Current highest rating achieved
1281.7
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)
±153.4
Current Raw change used (final)
0.0
Projected new Raw rating
1254.5
Projected new Weighed rating
1234.1
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1254.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1281.7
Projected new floor
781.7
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
1215.8
Curent Weighted rating
1200.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1215.8
Current floor (min rating allowed)
748.2
Current highest rating achieved
1248.2
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)
±162.1
Current Raw change used (final)
0.0
Projected new Raw rating
1215.8
Projected new Weighed rating
1202.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1215.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1248.2
Projected new floor
748.2
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
1276.8
Curent Weighted rating
1253.5
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1276.8
Current floor (min rating allowed)
776.8
Current highest rating achieved
1276.8
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)
±148.6
Current Raw change used (final)
0.0
Projected new Raw rating
1276.8
Projected new Weighed rating
1256.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1276.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1276.8
Projected new floor
776.8
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
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)
776.8
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
776.8
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
2
Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys)
2024/03/02
2024/03/03
Cape Town (WCT)
Standard
60
0.83
6
6
2.0
1281.7
1248.2
Analysis
1
District South Schools Chess Individual Trials 2024 (U13 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
3.0
1266.2
1228.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Boys)
2024/03/02
2024/03/03
Cape Town (WCT)
Standard
60
0.83
6
6
2.0
1281.7
1248.2
Analysis
4
District South Schools Chess Individual Trials 2024 (U13 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
3.0
1266.2
1228.4
Analysis
3
Western Cape Top Schools 2023 (U11 Mixed)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
6
4.0
1215.1
1157.2
Analysis
2
CT Metro District South Top Schools 2023 (U9+U11 Mixed + U13 Girls)
2023/07/29
2023/07/29
Cape Town (WCT)
Rapid
30
0.60
5
4
4.0
1165.2
1200.0
Analysis
1
2022 Western Province Club League (Junior)
2022/08/27
2022/09/17
Cape Town (WCT)
Standard
70
0.87
7
2
0.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
11
5
0
6
5.0
45.5
-38.6
1278.3
1239.6
White
5
2
0
3
2.0
40.0
-85.0
1280.5
1195.5
Black
6
3
0
3
3.0
50.0
0.0
1276.4
1276.4
Standard
All
11
5
0
6
5.0
45.5
-38.6
1278.3
1239.6
White
5
2
0
3
2.0
40.0
-85.0
1280.5
1195.5
Black
6
3
0
3
3.0
50.0
0.0
1276.4
1276.4
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
23
13
0
10
13.0
56.5
55.4
1270.8
1326.2
White
13
8
0
5
8.0
61.5
98.1
1251.4
1349.4
Black
10
5
0
5
5.0
50.0
0.0
1296.1
1296.1
Standard
All
19
9
0
10
9.0
47.4
-22.4
1285.7
1263.3
White
10
5
0
5
5.0
50.0
0.0
1266.8
1266.8
Black
9
4
0
5
4.0
44.4
-47.2
1306.7
1259.5
Rapid
All
4
4
0
0
4.0
100.0
425.0
1200.0
1625.0
White
3
3
0
0
3.0
100.0
425.0
1200.0
1625.0
Black
1
1
0
0
1.0
100.0
425.0
1200.0
1625.0
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
1110138506
Morrison, L (Liam)
2
2.0
2
0
0
100.0
1274.0
425.0
1699.0
View list
2
1120193504
Dodgen, Z (Zach)
1
1.0
1
0
0
100.0
1266.2
425.0
1691.2
View list
3
1150158970
Chapela, K (Kai)
1
1.0
1
0
0
100.0
1165.2
425.0
1590.2
View list
4
2120133357
Buhr, G (Gretchen)
1
1.0
1
0
0
100.0
1215.1
425.0
1640.1
View list
5
1120193298
Arendse, E (Evan)
1
1.0
1
0
0
100.0
1281.7
425.0
1706.7
View list
6
1130136594
Pentz, J (Jason)
1
1.0
1
0
0
100.0
1215.1
425.0
1640.1
View list
7
1120158976
Mthobile, A (Akhiwe)
1
1.0
1
0
0
100.0
1165.2
425.0
1590.2
View list
8
1130135090
Mputing, T (Thando)
1
1.0
1
0
0
100.0
1215.1
425.0
1640.1
View list
9
1110158957
Thomas, C (Caleb)
1
1.0
1
0
0
100.0
1266.2
425.0
1691.2
View list
10
2130158966
Abrahams, A (Amani)
1
1.0
1
0
0
100.0
1165.2
425.0
1590.2
View list
11
1120153777
Wehr, C (Corbin)
1
1.0
1
0
0
100.0
1215.1
425.0
1640.1
View list
12
2100158985
Van Der Schyff, K (Kauthar)
1
1.0
1
0
0
100.0
1165.2
425.0
1590.2
View list
13
1140134761
Tshutshwana, I (Iminathi)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
14
1120138507
Shasha, I (Iyanda)
1
0.0
0
0
1
0.0
1266.2
-425.0
841.2
View list
15
1110097963
Pfaff, R (Ruben)
1
0.0
0
0
1
0.0
1281.7
-425.0
856.7
View list
16
1120147734
Moodley, K (Kartar)
1
0.0
0
0
1
0.0
1281.7
-425.0
856.7
View list
17
2120140969
Joel, R (Roneeq)
1
0.0
0
0
1
0.0
1215.1
-425.0
790.1
View list
18
1130138955
Anderson, J (Jean)
1
0.0
0
0
1
0.0
1215.1
-425.0
790.1
View list
19
1120190181
Adamski, E (Eddie)
1
0.0
0
0
1
0.0
1281.7
-425.0
856.7
View list
20
1120139311
Bessesen, J (Joakim)
1
0.0
0
0
1
0.0
1266.2
-425.0
841.2
View list