Chess South Africa
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Chess South Africa
Ebrahim, Z (Zachary)
Dob:
2008/07/10 (U18)
Gender:
Male
Chess SA id:
1080107800
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/01/14 (119 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
1284.7
Curent Weighted rating
1298.2
Curent Weighted performance
1188.6
Current official/published rating (highest between Raw, WR and WP)
1298.2
Current floor (min rating allowed)
822.6
Current highest rating achieved
1322.6
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)
±147.0
Current Raw change used (final)
0.0
Projected new Raw rating
1284.7
Projected new Weighed rating
1297.0
Projected new Weighted performance
1188.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1297.0
Projected effective change (new Official - current Official)
-1.2
Projected new highest rating
1322.6
Projected new floor
822.6
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
1275.1
Curent Weighted rating
1289.1
Curent Weighted performance
1136.4
Current official/published rating (highest between Raw, WR and WP)
1289.1
Current floor (min rating allowed)
807.5
Current highest rating achieved
1307.5
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)
±149.0
Current Raw change used (final)
0.0
Projected new Raw rating
1275.1
Projected new Weighed rating
1287.8
Projected new Weighted performance
1136.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1287.8
Projected effective change (new Official - current Official)
-1.3
Projected new highest rating
1307.5
Projected new floor
807.5
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
1163.6
Curent Weighted rating
1152.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1163.6
Current floor (min rating allowed)
663.6
Current highest rating achieved
1163.6
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)
±174.6
Current Raw change used (final)
0.0
Projected new Raw rating
1163.6
Projected new Weighed rating
1154.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1163.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1163.6
Projected new floor
663.6
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)
663.6
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
663.6
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
2024 Gauteng Inter-Region Chess Championship (U16B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
1.5
1288.8
1274.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
27
2024 Gauteng Inter-Region Chess Championship (U16B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
1.5
1288.8
1274.4
Analysis
26
Africawide Chess Championship 2023 (Open)
2023/11/03
2023/11/05
Johannesburg Metro (GJM)
Standard
90
0.94
7
6
1.0
1322.6
1307.5
Analysis
25
Lenasia Chess Academy Tournament - Rapid Rated 2023
2023/10/08
2023/10/08
Johannesburg Metro (GJM)
Rapid
20
0.47
5
5
2.5
1311.8
1139.6
Analysis
24
Ekhuruleni Chess Trials 1 2023 (U16)
2023/03/25
2023/03/25
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1300.7
1292.0
Analysis
23
Ekurhuleni Soncini Playoffs 2022 (Boys)
2022/09/24
2022/09/24
Ekurhuleni (GE)
Rapid
30
0.60
5
0
0.0
1300.7
1139.6
Analysis
22
Alberton Chess Club Open 2022 (B)
2022/07/16
2022/07/16
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.5
1289.3
1278.7
Analysis
21
Ekurhuleni Trials 2 2022 (U16)
2022/05/28
2022/05/28
Ekurhuleni (GE)
Standard
62
0.84
5
5
2.5
1292.6
1281.6
Analysis
20
South African Junior Closed Chess Championships 2022 (U14 Open)
2022/03/28
2022/04/02
Chess South Africa (CSA)
Standard
120
1.00
11
11
4.0
1284.0
1276.6
Analysis
19
2022 Gauteng Interregion (U14 Open)
2022/02/26
2022/02/26
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1285.5
1265.9
Analysis
18
Ekurhuleni Chess Open 2022 (A)
2022/01/07
2022/01/09
Ekurhuleni (GE)
Standard
90
0.94
7
6
2.0
1318.0
1279.0
Analysis
17
Ekurhuleni Trials (3) 2021 (U14)
2021/11/06
2021/11/06
Ekurhuleni (GE)
Standard
62
0.84
5
5
4.0
1236.7
1221.8
Analysis
16
JMC Everest 2021 (C)
2021/10/30
2021/10/30
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1197.4
1167.1
Analysis
15
Pinnacle College Waterfall Open (Pinnacle)
2021/10/02
2021/10/03
Johannesburg Metro (GJM)
Standard
90
0.94
6
5
1.0
1197.4
1167.1
Analysis
14
Ekurhuleni Chess Sochini Trials 2021 (Boys)
2021/09/04
2021/09/04
Ekurhuleni (GE)
Rapid
30
0.60
5
5
2.5
1187.9
1200.0
Analysis
13
Ekurhuleni Chess Chessa Open 2021 (B)
2021/03/27
2021/03/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1200.2
1179.3
Analysis
12
Alberton Chess Club Open 2020 (C)
2020/02/22
2020/02/22
Ekurhuleni (GE)
Standard
60
0.83
5
3
0.0
1239.0
1225.7
Analysis
11
Springs Chess Club Open 2020 (C)
2020/01/25
2020/01/25
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1195.2
1170.6
Analysis
10
2019 Wild Card Chess Championship (U12 Open)
2020/01/09
2020/01/12
4 Knights (4K)
Standard
120
1.00
7
7
3.5
1195.2
1170.6
Analysis
9
2019 South African Junior Team Championships (U12C)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
4.0
1195.2
1170.6
Analysis
8
GJM vs GE Inter Region 2019 (U12D)
2019/10/05
2019/10/05
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
0.5
1245.1
1232.2
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
1
1
3
1.5
30.0
-170.0
1433.5
1263.5
White
2
0
1
1
0.5
25.0
-212.5
1443.2
1230.7
Black
3
1
0
2
1.0
33.3
-141.7
1427.0
1285.3
Standard
All
5
1
1
3
1.5
30.0
-170.0
1433.5
1263.5
White
2
0
1
1
0.5
25.0
-212.5
1443.2
1230.7
Black
3
1
0
2
1.0
33.3
-141.7
1427.0
1285.3
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
140
59
15
66
66.5
47.5
-21.3
1270.0
1248.8
White
67
30
10
27
35.0
52.2
19.0
1274.1
1293.2
Black
73
29
5
39
31.5
43.2
-58.2
1266.3
1208.0
Standard
All
130
55
13
62
61.5
47.3
-22.9
1261.7
1238.9
White
63
29
8
26
33.0
52.4
20.2
1262.7
1283.0
Black
67
26
5
36
28.5
42.5
-63.4
1260.8
1197.4
Rapid
All
10
4
2
4
5.0
50.0
0.0
1377.8
1377.8
White
4
1
2
1
2.0
50.0
0.0
1454.0
1454.0
Black
6
3
0
3
3.0
50.0
0.0
1327.0
1327.0
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
109091524
Hubbert, C (Connor)
2
1.5
1
1
0
75.0
1172.9
212.5
1385.4
View list
2
1080104946
Pillman, AH (Arthur Hanre)
2
1.5
1
1
0
75.0
1246.0
212.5
1458.5
View list
3
1080107799
Du Toit, J (Jaunre)
2
1.0
1
0
1
50.0
1240.7
0.0
1240.7
View list
4
108082684
De Vries, MA (Andrio)
2
0.5
0
1
1
25.0
1284.8
-212.5
1072.3
View list
5
1730113414
Deysel, R (Ryno)
2
0.5
0
1
1
25.0
1303.7
-212.5
1091.2
View list
6
1080096807
Klinkert, C (Cade)
2
0.5
0
1
1
25.0
1206.1
-212.5
993.6
View list
7
106086008
Swart, Z (Zander)
2
0.5
0
1
1
25.0
1244.7
-212.5
1032.2
View list
8
1080119822
Elvin, D (David)
2
0.0
0
0
2
0.0
1311.7
-425.0
886.7
View list
9
1070107792
Jaitas, K (Kittisak)
2
0.0
0
0
2
0.0
1243.3
-425.0
818.3
View list
10
107088025
Kgwele, D (Ditiro)
2
0.0
0
0
2
0.0
1217.1
-425.0
792.1
View list
11
109083783
Kushar, T (Tristan)
2
0.0
0
0
2
0.0
1292.3
-425.0
867.3
View list
12
109092824
Labuschagne, I (Ivan)
2
0.0
0
0
2
0.0
1260.3
-425.0
835.3
View list
13
109089375
Viljoen, H (Henning)
2
0.0
0
0
2
0.0
1172.9
-425.0
747.9
View list
14
108087013
Addinall, E (Ewald)
1
1.0
1
0
0
100.0
1195.2
425.0
1620.2
View list
15
108092826
Ahrens, C (Conrad)
1
1.0
1
0
0
100.0
1197.4
425.0
1622.4
View list
16
212091698
Chinoruma, K (Kupa)
1
1.0
1
0
0
100.0
1197.4
425.0
1622.4
View list
17
108084451
Cronje, NM (Nicolaas Mattheus)
1
1.0
1
0
0
100.0
1187.9
425.0
1612.9
View list
18
2090101531
De Lange, N (Nadia)
1
1.0
1
0
0
100.0
1163.8
425.0
1588.8
View list
19
1080098200
Carter, D (Dylan)
1
1.0
1
0
0
100.0
1182.1
425.0
1607.1
View list
20
108084884
Bouwer, L (Luan)
1
1.0
1
0
0
100.0
1195.2
425.0
1620.2
View list