Chess South Africa
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Chess South Africa
Human, Z (Zachariah)
Dob:
2012/02/19 (U14)
Gender:
Male
Chess SA id:
1120153447
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (15 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
1263.0
Curent Weighted rating
1171.2
Curent Weighted performance
1252.1
Current official/published rating (highest between Raw, WR and WP)
1263.0
Current floor (min rating allowed)
763.0
Current highest rating achieved
1263.0
Current K-factor
36
Games played this month
5
Score (S)
4.0
Expected score (We)
2.64
Difference (S-We)
1.36
Current Raw change (no limits, including tournament time weight)
40.6
Current min/max change allowed (with limits)
±151.6
Current Raw change used (final)
40.6
Projected new Raw rating
1303.6
Projected new Weighed rating
1181.2
Projected new Weighted performance
1252.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1303.6
Projected effective change (new Official - current Official)
+40.6
Projected new highest rating
1303.6
Projected new floor
803.6
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
1256.0
Curent Weighted rating
1163.9
Curent Weighted performance
1245.2
Current official/published rating (highest between Raw, WR and WP)
1256.0
Current floor (min rating allowed)
756.0
Current highest rating achieved
1256.0
Current K-factor
36
Games played this month
5
Score (S)
4.0
Expected score (We)
2.60
Difference (S-We)
1.40
Current Raw change (no limits, including tournament time weight)
50.4
Current min/max change allowed (with limits)
±153.1
Current Raw change used (final)
50.4
Projected new Raw rating
1306.4
Projected new Weighed rating
1174.6
Projected new Weighted performance
1245.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1306.4
Projected effective change (new Official - current Official)
+50.4
Projected new highest rating
1306.4
Projected new floor
806.4
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)
700.0
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
700.0
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)
700.0
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
700.0
Projected new K-facor
36
Tournaments
History
Tournament:
2024 Gauteng North School District Individual Championships - D1 (U13 Boys)
Start:
2024/05/11
End:
2024/05/11
Host:
GTP
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
4.0
Main rating:
1263.0
Rating gain/loss:
40.6
Type rating:
1256.0
Rating gain/loss:
50.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
7
2024 Gauteng North School District Individual Championships - D1 (U13 Boys)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1263.0
1256.0
Analysis
6
2024 Milos Ristic Open Chess Tournament (U14)
2024/04/27
2024/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1220.2
1212.5
Analysis
5
2024 Lubowski Open Chess Tournament (D2)
2024/03/23
2024/03/24
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1174.1
1168.7
Analysis
4
2024 Chris Greyling Open Chess Tournament (D1)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1174.1
1168.7
Analysis
3
2024 Tshwane Chess AHS Open Chess Tournament (D2)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1179.4
1175.3
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (D1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1112.2
1102.1
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U12C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1112.2
1102.1
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
14
2024 Gauteng North School District Individual Championships - D1 (U13 Boys)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1263.0
1256.0
Analysis
13
2024 Milos Ristic Open Chess Tournament (U14)
2024/04/27
2024/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1220.2
1212.5
Analysis
12
2024 Lubowski Open Chess Tournament (D2)
2024/03/23
2024/03/24
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1174.1
1168.7
Analysis
11
2024 Chris Greyling Open Chess Tournament (D1)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1174.1
1168.7
Analysis
10
2024 Tshwane Chess AHS Open Chess Tournament (D2)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1179.4
1175.3
Analysis
9
2024 Tshwane Chess OPEN Registration Tournament (D1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1112.2
1102.1
Analysis
8
2024 Gauteng Inter-Region Chess Championship (U12C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1112.2
1102.1
Analysis
7
2023 Gauteng Noord (D)
2023/10/14
2023/10/15
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1106.3
1092.0
Analysis
6
2023 Tuks Open Chess Tournament (D)
2023/10/07
2023/10/07
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1106.3
1092.0
Analysis
5
2023 Alekhine Open Tournament (D)
2023/09/09
2023/09/09
Tshwane (GTP)
Standard
90
0.94
5
5
1.0
1166.9
1156.4
Analysis
4
2023 Etienne Lewis Closed Tournament (U12)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
3.0
1173.7
1162.5
Analysis
3
2023 Mid Gauteng Open Tournament (D)
2023/05/06
2023/05/06
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1190.1
1185.2
Analysis
2
2023 Milos Ristic Open Tournament (D2)
2023/04/27
2023/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1200.0
1200.0
Analysis
1
Silver Lakes Open Chess Tournament (D)
2023/04/15
2023/04/15
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
35
21
0
14
21.0
60.0
85.0
1209.6
1294.6
White
19
11
0
8
11.0
57.9
67.1
1222.0
1289.1
Black
16
10
0
6
10.0
62.5
106.3
1194.8
1301.1
Standard
All
35
21
0
14
21.0
60.0
85.0
1209.6
1294.6
White
19
11
0
8
11.0
57.9
67.1
1222.0
1289.1
Black
16
10
0
6
10.0
62.5
106.3
1194.8
1301.1
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
71
35
1
35
35.5
50.0
0.0
1196.8
1196.8
White
38
21
0
17
21.0
55.3
44.7
1214.7
1259.5
Black
33
14
1
18
14.5
43.9
-51.5
1176.1
1124.6
Standard
All
71
35
1
35
35.5
50.0
0.0
1196.8
1196.8
White
38
21
0
17
21.0
55.3
44.7
1214.7
1259.5
Black
33
14
1
18
14.5
43.9
-51.5
1176.1
1124.6
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1120300007
Labuscagne, W (Waldo)
2
2.0
2
0
0
100.0
1197.2
425.0
1622.2
View list
2
2140143071
Haupt, A (Abigail)
2
1.0
1
0
1
50.0
1183.5
0.0
1183.5
View list
3
2110144055
Segalo, O (Ogone)
2
1.0
1
0
1
50.0
1195.0
0.0
1195.0
View list
4
1130131228
Visser, A (Aaron)
2
0.0
0
0
2
0.0
1170.3
-425.0
745.3
View list
5
1120302676
Cooke, W (William)
1
1.0
1
0
0
100.0
1220.2
425.0
1645.2
View list
6
2140149175
Boshoff, M (Milah)
1
1.0
1
0
0
100.0
1106.3
425.0
1531.3
View list
7
1120154196
Badenhorst, P (Phillip)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
1120133904
Fokker, CD (Christiaan Dirk)
1
1.0
1
0
0
100.0
1220.2
425.0
1645.2
View list
9
1090097848
Kubheka, T (Thando)
1
1.0
1
0
0
100.0
1106.3
425.0
1531.3
View list
10
1110133020
Jacobs, E (Elai)
1
1.0
1
0
0
100.0
1190.1
425.0
1615.1
View list
11
2120109364
Gruenenfelder, E (Ellie)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
12
1120152733
Le Roux, E (Etienne)
1
1.0
1
0
0
100.0
1173.7
425.0
1598.7
View list
13
1140144840
Lekalakala, R (Realeboga Blessings)
1
1.0
1
0
0
100.0
1174.1
425.0
1599.1
View list
14
1130152985
Lombard, R (Reece)
1
1.0
1
0
0
100.0
1112.2
425.0
1537.2
View list
15
1120304448
Makopo, D (Dikano)
1
1.0
1
0
0
100.0
1263.0
425.0
1688.0
View list
16
1120304454
Masango, L (Lwandile)
1
1.0
1
0
0
100.0
1263.0
425.0
1688.0
View list
17
1110159667
Masindi, R (Rendani)
1
1.0
1
0
0
100.0
1263.0
425.0
1688.0
View list
18
2140135083
Mcphail, A (Ava)
1
1.0
1
0
0
100.0
1179.4
425.0
1604.4
View list
19
1080157401
Meletoa, T (Tshepo)
1
1.0
1
0
0
100.0
1174.1
425.0
1599.1
View list
20
1110142884
Mogale, K (Khanya)
1
1.0
1
0
0
100.0
1263.0
425.0
1688.0
View list