Chess South Africa
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Chess South Africa
Robinson, Z (Zachariah)
Dob:
2015/07/30 (U10)
Gender:
Male
Chess SA id:
1150147324
FIDE id:
Region:
Johannesburg Matro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/04/21 (28 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
1202.2
Curent Weighted rating
1222.0
Curent Weighted performance
1086.3
Current official/published rating (highest between Raw, WR and WP)
1222.0
Current floor (min rating allowed)
765.1
Current highest rating achieved
1265.1
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)
±165.3
Current Raw change used (final)
0.0
Projected new Raw rating
1202.2
Projected new Weighed rating
1221.5
Projected new Weighted performance
1086.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1221.5
Projected effective change (new Official - current Official)
-0.6
Projected new highest rating
1265.1
Projected new floor
765.1
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
1116.0
Curent Weighted rating
1146.4
Curent Weighted performance
997.9
Current official/published rating (highest between Raw, WR and WP)
1146.4
Current floor (min rating allowed)
709.6
Current highest rating achieved
1209.6
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)
±186.9
Current Raw change used (final)
0.0
Projected new Raw rating
1116.0
Projected new Weighed rating
1142.7
Projected new Weighted performance
997.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1142.7
Projected effective change (new Official - current Official)
-3.7
Projected new highest rating
1209.6
Projected new floor
709.6
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
1279.2
Curent Weighted rating
1266.4
Curent Weighted performance
1219.2
Current official/published rating (highest between Raw, WR and WP)
1279.2
Current floor (min rating allowed)
822.8
Current highest rating achieved
1322.8
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)
±148.1
Current Raw change used (final)
0.0
Projected new Raw rating
1279.2
Projected new Weighed rating
1269.8
Projected new Weighted performance
1219.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1279.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1322.8
Projected new floor
822.8
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)
822.8
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
822.8
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
3
JCC King David Linksfield Rapid 2024 (C)
2024/04/21
2024/04/21
Johannesburg Metro (GJM)
Rapid
20
0.47
5
5
2.0
1254.9
1322.8
Analysis
2
Ekurhuleni Open 2024 (D)
2024/04/06
2024/04/06
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1254.9
1143.7
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U10B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
2.0
1265.1
1132.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
12
JCC King David Linksfield Rapid 2024 (C)
2024/04/21
2024/04/21
Johannesburg Metro (GJM)
Rapid
20
0.47
5
5
2.0
1254.9
1322.8
Analysis
11
Ekurhuleni Open 2024 (D)
2024/04/06
2024/04/06
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1254.9
1143.7
Analysis
10
2024 Gauteng Inter-Region Chess Championship (U10B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
2.0
1265.1
1132.2
Analysis
9
Chess is My Lifestyle 2023 (Grade 0-2)
2023/12/09
2023/12/09
Johannesburg Metro (GJM)
Rapid
30
0.60
5
5
4.0
1230.5
1283.6
Analysis
8
Ekurhuleni Chess Trial 3 2023 (U10)
2023/06/17
2023/06/17
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1129.3
1134.7
Analysis
7
Chess Molecules 16 June Tournament 2023 (Grade 0-2)
2023/06/16
2023/06/16
Ekurhuleni (GE)
Rapid
30
0.60
5
4
3.0
1129.3
1169.6
Analysis
6
Primrose Rapid 2023 (Grade 0-2)
2023/06/10
2023/06/10
Ekurhuleni (GE)
Rapid
30
0.60
6
6
4.5
1129.3
1169.6
Analysis
5
Ithembelihle Open 2023 (B)
2023/05/13
2023/05/13
Ekurhuleni (GE)
Rapid
20
0.47
5
5
2.5
1128.5
1159.2
Analysis
4
Ekurhuleni Trials 2 2023 (U10)
2023/04/22
2023/04/22
Ekurhuleni (GE)
Standard
60
0.83
5
4
0.0
1195.2
1209.6
Analysis
3
Ekhuruleni Chess Trials 1 2023 (U8+U10)
2023/03/25
2023/03/25
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1178.4
1200.0
Analysis
2
Ekurhuleni Springs Open 4 March 2023 (E)
2023/03/04
2023/03/04
Ekurhuleni (GE)
Standard
62
0.84
5
5
2.0
1178.4
1200.0
Analysis
1
Chess Power House Rapid 2022 (U8)
2022/10/22
2022/10/22
Johannesburg Metro (GJM)
Rapid
30
0.60
5
4
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
14
6
0
8
6.0
42.9
-60.7
1157.0
1096.3
White
6
3
0
3
3.0
50.0
0.0
1181.2
1181.2
Black
8
3
0
5
3.0
37.5
-106.3
1138.8
1032.6
Standard
All
9
4
0
5
4.0
44.4
-47.2
1135.0
1087.8
White
4
3
0
1
3.0
75.0
212.5
1171.8
1384.3
Black
5
1
0
4
1.0
20.0
-255.0
1105.6
850.6
Rapid
All
5
2
0
3
2.0
40.0
-85.0
1196.5
1111.5
White
2
0
0
2
0.0
0.0
-425.0
1200.0
775.0
Black
3
2
0
1
2.0
66.7
141.7
1194.2
1335.9
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
57
26
4
27
28.0
49.1
-7.5
1207.1
1199.6
White
26
10
2
14
11.0
42.3
-65.4
1231.6
1166.2
Black
31
16
2
13
17.0
54.8
41.1
1186.5
1227.6
Standard
All
28
10
2
16
11.0
39.3
-91.1
1187.1
1096.0
White
13
4
1
8
4.5
34.6
-130.8
1213.2
1082.4
Black
15
6
1
8
6.5
43.3
-56.7
1164.5
1107.8
Rapid
All
29
16
2
11
17.0
58.6
73.3
1226.3
1299.6
White
13
6
1
6
6.5
50.0
0.0
1250.0
1250.0
Black
16
10
1
5
10.5
65.6
132.8
1207.1
1339.9
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
2160151766
Mafane, A (Atlegang)
3
0.5
0
1
2
16.7
1145.7
-283.3
862.3
View list
2
1170144069
Kruger, T (Thinus Pieter)
2
2.0
2
0
0
100.0
1129.3
425.0
1554.3
View list
3
2150157277
Jaffe, E (Ellla)
2
2.0
2
0
0
100.0
1129.3
425.0
1554.3
View list
4
2150151771
Pather, T (Tamishka)
2
2.0
2
0
0
100.0
1204.5
425.0
1629.5
View list
5
1150151775
Van Wyk, P (Paul)
2
1.0
1
0
1
50.0
1186.8
0.0
1186.8
View list
6
2150148082
Wong, K (Kayla)
2
1.0
1
0
1
50.0
1179.9
0.0
1179.9
View list
7
1150151779
Zhu, R (Ryan Yuancheng)
2
1.0
1
0
1
50.0
1179.9
0.0
1179.9
View list
8
1120131436
Emechebe, M (Munachim)
1
1.0
1
0
0
100.0
1128.5
425.0
1553.5
View list
9
1150191336
Jacobs, R (Rameez)
1
1.0
1
0
0
100.0
1230.5
425.0
1655.5
View list
10
2140190503
Ikwuebesi, I (Ifeoma)
1
1.0
1
0
0
100.0
1265.1
425.0
1690.1
View list
11
1140134429
Botha, G (Gregory)
1
1.0
1
0
0
100.0
1265.1
425.0
1690.1
View list
12
1160151761
Barnard, M (Mulder)
1
1.0
1
0
0
100.0
1178.4
425.0
1603.4
View list
13
1140302660
Amallos, J (Joshua)
1
1.0
1
0
0
100.0
1254.9
425.0
1679.9
View list
14
1140146688
Linnel, A (Abigail)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
15
1160157231
Lai, J (Joline)
1
1.0
1
0
0
100.0
1129.3
425.0
1554.3
View list
16
2150153035
Mafanya, Z (Zivah)
1
1.0
1
0
0
100.0
1178.4
425.0
1603.4
View list
17
2140154001
Molefe, K (Khumo)
1
1.0
1
0
0
100.0
1129.3
425.0
1554.3
View list
18
1160191337
Moore, C (Cael)
1
1.0
1
0
0
100.0
1230.5
425.0
1655.5
View list
19
1150157233
Nahon, J (James)
1
1.0
1
0
0
100.0
1129.3
425.0
1554.3
View list
20
2140151770
Noack, A (Angelica)
1
1.0
1
0
0
100.0
1178.4
425.0
1603.4
View list