Chess South Africa
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Chess South Africa
Sihewula, A (Achuma)
Dob:
2009/07/12 (U16)
Gender:
Male
Chess SA id:
1090111480
FIDE id:
Region:
Nelson Mandela Bay (ENM)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (8 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
1284.8
Curent Weighted rating
1170.5
Curent Weighted performance
1276.6
Current official/published rating (highest between Raw, WR and WP)
1284.8
Current floor (min rating allowed)
784.8
Current highest rating achieved
1284.8
Current K-factor
36
Games played this month
4
Score (S)
3.0
Expected score (We)
2.10
Difference (S-We)
0.90
Current Raw change (no limits, including tournament time weight)
26.9
Current min/max change allowed (with limits)
±146.9
Current Raw change used (final)
26.9
Projected new Raw rating
1311.7
Projected new Weighed rating
1184.0
Projected new Weighted performance
1276.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1311.7
Projected effective change (new Official - current Official)
+26.9
Projected new highest rating
1311.7
Projected new floor
811.7
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
1286.5
Curent Weighted rating
1186.9
Curent Weighted performance
1278.4
Current official/published rating (highest between Raw, WR and WP)
1286.5
Current floor (min rating allowed)
786.5
Current highest rating achieved
1286.5
Current K-factor
36
Games played this month
4
Score (S)
3.0
Expected score (We)
2.14
Difference (S-We)
0.86
Current Raw change (no limits, including tournament time weight)
31.0
Current min/max change allowed (with limits)
±146.6
Current Raw change used (final)
31.0
Projected new Raw rating
1317.5
Projected new Weighed rating
1200.1
Projected new Weighted performance
1278.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1317.5
Projected effective change (new Official - current Official)
+31.0
Projected new highest rating
1317.5
Projected new floor
817.5
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
1095.6
Curent Weighted rating
1098.3
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1098.3
Current floor (min rating allowed)
644.8
Current highest rating achieved
1144.8
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)
±192.4
Current Raw change used (final)
0.0
Projected new Raw rating
1095.6
Projected new Weighed rating
1097.1
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1097.1
Projected effective change (new Official - current Official)
-1.2
Projected new highest rating
1144.8
Projected new floor
644.8
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
1159.6
Curent Weighted rating
1171.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1171.7
Current floor (min rating allowed)
644.8
Current highest rating achieved
1199.6
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)
±175.6
Current Raw change used (final)
0.0
Projected new Raw rating
1159.6
Projected new Weighed rating
1170.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1170.0
Projected effective change (new Official - current Official)
-1.7
Projected new highest rating
1199.6
Projected new floor
644.8
Projected new K-facor
40
Tournaments
History
Tournament:
NMBCU Trial 3 2024 (U16)
Start:
2024/05/10
End:
2024/05/11
Host:
ENM
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
4
Games:
4
Score:
3.0
Main rating:
1284.8
Rating gain/loss:
26.9
Type rating:
1286.5
Rating gain/loss:
31.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
NMBCU Trial 3 2024 (U16)
2024/05/10
2024/05/11
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
4
3.0
1284.8
1286.5
Analysis
3
NMBCU Trials 2 2024 (U16)
2024/04/12
2024/04/13
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1236.9
1262.7
Analysis
2
Madibaz Chess Tournament 2024 (B)
2024/03/01
2024/03/02
Nelson Mandela Bay (ENM)
Standard
60
0.83
5
5
3.0
1209.4
1238.6
Analysis
1
NMBCU Trials 1 2024 (U16)
2024/02/16
2024/02/16
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
5
3.0
1165.9
1191.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
20
NMBCU Trial 3 2024 (U16)
2024/05/10
2024/05/11
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
4
3.0
1284.8
1286.5
Analysis
19
NMBCU Trials 2 2024 (U16)
2024/04/12
2024/04/13
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1236.9
1262.7
Analysis
18
Madibaz Chess Tournament 2024 (B)
2024/03/01
2024/03/02
Nelson Mandela Bay (ENM)
Standard
60
0.83
5
5
3.0
1209.4
1238.6
Analysis
17
NMBCU Trials 1 2024 (U16)
2024/02/16
2024/02/16
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
5
3.0
1165.9
1191.0
Analysis
16
NMBCU Closed 2023 (U16)
2023/08/11
2023/08/12
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
5
1.5
1167.9
1199.4
Analysis
15
NMBCU Trial 4 2023 (U16)
2023/07/28
2023/07/29
Nelson Mandela Bay (ENM)
Standard
60
0.83
5
5
2.5
1176.0
1192.0
Analysis
14
Junior Chess Battles Blitz 2023 (B)
2023/07/16
2023/07/16
Nelson Mandela Bay (ENM)
Blitz
5
0.18
7
7
3.0
1176.0
1199.6
Analysis
13
Junior Chess Battles Classical 2023 (U16)
2023/07/15
2023/07/16
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
1.5
1176.0
1192.0
Analysis
12
EP Trials 3 2023 (U16)
2023/05/05
2023/05/06
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
4.0
1121.6
1126.0
Analysis
11
NMB 2nd Trials 2023 (U16)
2023/03/24
2023/03/25
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
2.0
1116.6
1117.2
Analysis
10
NMB 1st Trials 2023 (U16)
2023/02/17
2023/02/18
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1081.7
1070.4
Analysis
9
2022 Madibaz Physics Chess Open (D)
2022/10/07
2022/10/08
Nelson Mandela Bay (ENM)
Rapid
30
0.60
7
6
2.0
1105.0
1144.8
Analysis
8
2022 Madibaz Tournament (Primary School Team)
2022/09/10
2022/09/10
Nelson Mandela Bay (ENM)
Rapid
30
0.60
6
6
2.0
1078.3
1200.0
Analysis
7
2022 Madibaz Tournament (Primary School)
2022/09/09
2022/09/09
Nelson Mandela Bay (ENM)
Blitz
5
0.18
7
7
4.0
1078.3
1200.0
Analysis
6
2020 Boardwalk Pearson Open Chess Festival (Open)
2020/03/14
2020/03/15
Nelson Mandela Bay (ENM)
Standard
90
0.94
5
5
1.0
1048.7
1021.2
Analysis
5
2020 NMBCU Chess Trials 2 2020 (U12)
2020/03/07
2020/03/07
Nelson Mandela Bay (ENM)
Standard
62
0.84
5
5
3.0
1048.7
1021.2
Analysis
4
Nelson Mandela Bay Junior Trials 4 2019 (U12)
2019/07/12
2019/07/13
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
1.0
1112.1
1095.6
Analysis
3
NMBJCU Trials 3 2019 (U12)
2019/05/10
2019/05/11
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1112.1
1092.8
Analysis
2
Nelson Mandela Bay Junior Chess Trials 2 2019 (U12)
2019/04/05
2019/04/06
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
1.5
1166.5
1158.0
Analysis
1
NMBCU Trials 1 2019 (U12)
2019/03/08
2019/03/09
Nelson Mandela Bay (ENM)
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
20
10
4
6
12.0
60.0
85.0
1294.2
1379.2
White
9
2
2
5
3.0
33.3
-141.7
1292.5
1150.8
Black
11
8
2
1
9.0
81.8
270.5
1295.6
1566.0
Standard
All
20
10
4
6
12.0
60.0
85.0
1294.2
1379.2
White
9
2
2
5
3.0
33.3
-141.7
1292.5
1150.8
Black
11
8
2
1
9.0
81.8
270.5
1295.6
1566.0
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
113
44
10
59
49.0
43.4
-56.4
1226.8
1170.4
White
57
20
5
32
22.5
39.5
-89.5
1226.8
1137.3
Black
56
24
5
27
26.5
47.3
-22.8
1226.7
1204.0
Standard
All
87
33
10
44
38.0
43.7
-53.7
1230.3
1176.6
White
44
16
5
23
18.5
42.0
-67.6
1224.4
1156.8
Black
43
17
5
21
19.5
45.3
-39.5
1236.4
1196.9
Rapid
All
12
4
0
8
4.0
33.3
-141.7
1201.9
1060.2
White
6
2
0
4
2.0
33.3
-141.7
1221.9
1080.2
Black
6
2
0
4
2.0
33.3
-141.7
1181.9
1040.2
Blitz
All
14
7
0
7
7.0
50.0
0.0
1226.0
1226.0
White
7
2
0
5
2.0
28.6
-182.1
1246.3
1064.1
Black
7
5
0
2
5.0
71.4
182.1
1205.6
1387.8
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2090107383
Munir, A (Ainy)
5
2.5
2
1
2
50.0
1126.4
0.0
1126.4
View list
2
1090152431
Abrahams, S (Shaaiq)
3
2.0
2
0
1
66.7
1157.9
141.7
1299.5
View list
3
2080112056
Mdletye, I (Iva)
3
0.0
0
0
3
0.0
1130.2
-425.0
705.2
View list
4
109083952
Taljard, J (Julian)
3
0.0
0
0
3
0.0
1164.9
-425.0
739.9
View list
5
2110133667
Driscoll, J (Jessica Darby)
2
2.0
2
0
0
100.0
1127.2
425.0
1552.2
View list
6
1100150794
Banoobhai, T (Troy)
2
2.0
2
0
0
100.0
1201.4
425.0
1626.4
View list
7
1090146550
Bani, S (Sibabalwe)
2
2.0
2
0
0
100.0
1091.7
425.0
1516.7
View list
8
2090302025
Solomon, S (Sandisiwe)
2
2.0
2
0
0
100.0
1260.8
425.0
1685.8
View list
9
1100139766
Sonti, K (Kamvalethu)
2
2.0
2
0
0
100.0
1187.7
425.0
1612.7
View list
10
108095752
Mtshekexe, U (Usemhle)
2
1.5
1
1
0
75.0
1148.8
212.5
1361.3
View list
11
1130136674
Boggenpoel, D (Dante Xavier)
2
1.0
1
0
1
50.0
1078.3
0.0
1078.3
View list
12
1100158526
Cona, S (Shaunwin)
2
1.0
1
0
1
50.0
1225.3
0.0
1225.3
View list
13
1140143838
Manton, C (Charlie)
2
1.0
1
0
1
50.0
1078.3
0.0
1078.3
View list
14
1110131279
Smith, A (Andre)
2
1.0
1
0
1
50.0
1112.3
0.0
1112.3
View list
15
1080151224
Thompson, C (Chad)
2
1.0
1
0
1
50.0
1148.8
0.0
1148.8
View list
16
1080151219
Collett, S (Samuel)
2
0.5
0
1
1
25.0
1142.3
-212.5
929.8
View list
17
1110097727
Kivido, A (Alex)
2
0.5
0
1
1
25.0
1112.3
-212.5
899.8
View list
18
1100139758
Murray, J (Jaydon)
2
0.5
0
1
1
25.0
1260.8
-212.5
1048.3
View list
19
209088291
Dantu, ZS (Zara Shiloh)
2
0.0
0
0
2
0.0
1156.0
-425.0
731.0
View list
20
1110131971
Chipunza, J (Jared)
2
0.0
0
0
2
0.0
1140.5
-425.0
715.5
View list