Chess South Africa
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Chess South Africa
Sierra, C (Cj)
Dob:
2009/04/06 (U16)
Gender:
Male
Chess SA id:
1090152037
FIDE id:
Region:
Ehlanzeni (MEN)
Citizen:
RSA
Title(s):
Last active:
2024/05/18 (29 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
Current Raw rating
1333.9
Current Weighted rating
1293.8
Current Weighted performance
1262.3
Current official/published rating (highest between Raw, WR and WP)
1333.9
Current highest rating achieved
1333.9
Current floor (min rating allowed)
833.9
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)
±137.0
Current Raw change used (final)
0.0
Projected new Raw rating
1333.9
Projected new Weighed rating
1192.5
Projected new Weighted performance
1262.3
Projected new final Raw rating (if new WP > new Raw)
1333.9
Projected new highest rating
1333.9
Projected new floor
833.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1333.9
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1334.9
Current Weighted rating
1296.2
Current Weighted performance
1262.3
Current official/published rating (highest between Raw, WR and WP)
1334.9
Current highest rating achieved
1334.9
Current floor (min rating allowed)
834.9
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)
±136.8
Current Raw change used (final)
0.0
Projected new Raw rating
1334.9
Projected new Weighed rating
1194.7
Projected new Weighted performance
1262.3
Projected new final Raw rating (if new WP > new Raw)
1334.9
Projected new highest rating
1334.9
Projected new floor
834.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1334.9
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
s
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
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
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Curro Chess Tournament 2024 (U16)
2024/05/18
2024/05/18
Ehlanzeni (MEN)
Standard
63
0.84
5
5
3.0
1321.2
1321.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
6
Curro Chess Tournament 2024 (U16)
2024/05/18
2024/05/18
Ehlanzeni (MEN)
Standard
63
0.84
5
5
3.0
1321.2
1321.9
Analysis
5
Trac N4 Mbombela Chess Tournament 2023 (U18)
2023/09/09
2023/09/09
Ehlanzeni (MEN)
Standard
63
0.84
5
5
4.0
1249.3
1254.0
Analysis
4
White River Primary 2023 (U16)
2023/07/21
2023/07/21
Ehlanzeni (MEN)
Standard
63
0.84
5
5
2.0
1270.8
1281.0
Analysis
3
Robbies 2023 (U16)
2023/05/11
2023/05/11
Ehlanzeni (MEN)
Standard
63
0.84
5
4
3.0
1253.0
1261.9
Analysis
2
Oikos Chess Tournament 2023 (U20)
2023/03/11
2023/03/11
Ehlanzeni (MEN)
Standard
63
0.84
5
3
2.0
1230.6
1236.0
Analysis
1
Uplands Chess Tournament 2023 (U16)
2023/02/25
2023/02/25
Ehlanzeni (MEN)
Standard
63
0.84
5
5
3.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
3
0
2
3.0
60.0
85.0
1300.2
1385.2
White
2
1
0
1
1.0
50.0
0.0
1227.0
1227.0
Black
3
2
0
1
2.0
66.7
141.7
1348.9
1490.6
Standard
All
5
3
0
2
3.0
60.0
85.0
1300.2
1385.2
White
2
1
0
1
1.0
50.0
0.0
1227.0
1227.0
Black
3
2
0
1
2.0
66.7
141.7
1348.9
1490.6
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
27
17
1
9
17.5
64.8
125.9
1238.6
1364.5
White
13
10
1
2
10.5
80.8
261.5
1206.7
1468.3
Black
14
7
0
7
7.0
50.0
0.0
1268.1
1268.1
Standard
All
27
17
1
9
17.5
64.8
125.9
1238.6
1364.5
White
13
10
1
2
10.5
80.8
261.5
1206.7
1468.3
Black
14
7
0
7
7.0
50.0
0.0
1268.1
1268.1
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2090132287
Sibiya, A (Alwande)
3
1.0
1
0
2
33.3
1227.9
-141.7
1086.2
View list
2
1090156697
Mokhwana, A (Austin)
1
1.0
1
0
0
100.0
1270.8
425.0
1695.8
View list
3
2060102919
Mkhwanazi, N (Nqobile)
1
1.0
1
0
0
100.0
1249.3
425.0
1674.3
View list
4
1070162258
Mkhatshwa, N (Nomonde)
1
1.0
1
0
0
100.0
1249.3
425.0
1674.3
View list
5
1100300628
Mkhabela, V (Valencia)
1
1.0
1
0
0
100.0
1321.2
425.0
1746.2
View list
6
1090304822
Mbhokodo, S (Solomon)
1
1.0
1
0
0
100.0
1321.2
425.0
1746.2
View list
7
1080144378
Marakalla, K (Kago)
1
1.0
1
0
0
100.0
1249.3
425.0
1674.3
View list
8
1090156696
Makamo, M (Mihla)
1
1.0
1
0
0
100.0
1253.0
425.0
1678.0
View list
9
2080156695
Machel, N (Neryssa)
1
1.0
1
0
0
100.0
1253.0
425.0
1678.0
View list
10
1080097869
Mabuza, B (Bayanda)
1
1.0
1
0
0
100.0
1270.8
425.0
1695.8
View list
11
1000145015
Khumalo, S (Shaun)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
12
1050162246
Khoza, N (Ndumiso)
1
1.0
1
0
0
100.0
1249.3
425.0
1674.3
View list
13
1090304819
Gxamza, K (Khaya)
1
1.0
1
0
0
100.0
1321.2
425.0
1746.2
View list
14
1080097926
Botha, W (Wian)
1
1.0
1
0
0
100.0
1253.0
425.0
1678.0
View list
15
1090152030
Dos Reis, P (Pedro)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
16
206055418
Van Heerden, D (Dante)
1
1.0
1
0
0
100.0
1230.6
425.0
1655.6
View list
17
2080112388
Venter, I (Isabel)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
18
108065716
Van Heerden, M (Michael)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
19
1090157479
De Jager, J (Jonathan)
1
0.0
0
0
1
0.0
1321.2
-425.0
896.2
View list
20
1080156700
Phillips, E (Eduard)
1
0.0
0
0
1
0.0
1270.8
-425.0
845.8
View list