Chess South Africa
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Chess South Africa
Sibiya, S (Siyethemba)
Dob:
2008/01/12 (U18)
Gender:
Male
Chess SA id:
1080305379
FIDE id:
Region:
King Cetshwayo (KUR)
Citizen:
RSA
Title(s):
Last active:
2024/09/23 (62 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
1298.0
Current Weighted rating
1228.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1298.0
Current highest rating achieved
1298.0
Current floor (min rating allowed)
798.0
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)
±144.2
Current Raw change used (final)
0.0
Projected new Raw rating
1298.0
Projected new Weighed rating
1131.5
Projected new Weighted performance
1080.7
Projected new final Raw rating (if new WP > new Raw)
1298.0
Projected new highest rating
1298.0
Projected new floor
798.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1298.0
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
1260.5
Current Weighted rating
1222.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1260.5
Current highest rating achieved
1260.5
Current floor (min rating allowed)
760.5
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)
±152.1
Current Raw change used (final)
0.0
Projected new Raw rating
1260.5
Projected new Weighed rating
1125.8
Projected new Weighted performance
453.0
Projected new final Raw rating (if new WP > new Raw)
1260.5
Projected new highest rating
1260.5
Projected new floor
760.5
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1260.5
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
1260.9
Current Weighted rating
1211.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1260.9
Current highest rating achieved
1260.9
Current floor (min rating allowed)
760.9
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)
±152.0
Current Raw change used (final)
0.0
Projected new Raw rating
1260.9
Projected new Weighed rating
1114.9
Projected new Weighted performance
851.5
Projected new final Raw rating (if new WP > new Raw)
1260.9
Projected new highest rating
1260.9
Projected new floor
760.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1260.9
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
0.0
Current floor (min rating allowed)
700.0
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)
±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
0.0
Projected new floor
700.0
Projected new K-facor
40
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
3
2024 Umfolozi Mayoral Cup (U20)
2024/09/23
2024/09/23
King Cetshwayo (KUR)
Rapid
25
0.54
5
5
4.0
1278.6
1225.6
Analysis
2
2024 King Cetswayo School Chess Selections (U18 Boys)
2024/08/24
2024/08/24
King Cetshwayo (KUR)
Rapid
30
0.60
5
5
3.5
1251.4
1200.0
Analysis
1
2024 King Cetshwayo Winter Open (Open)
2024/06/08
2024/06/08
King Cetshwayo (KUR)
Standard
60
0.83
5
5
3.0
1209.6
1211.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
3
2024 Umfolozi Mayoral Cup (U20)
2024/09/23
2024/09/23
King Cetshwayo (KUR)
Rapid
25
0.54
5
5
4.0
1278.6
1225.6
Analysis
2
2024 King Cetswayo School Chess Selections (U18 Boys)
2024/08/24
2024/08/24
King Cetshwayo (KUR)
Rapid
30
0.60
5
5
3.5
1251.4
1200.0
Analysis
1
2024 King Cetshwayo Winter Open (Open)
2024/06/08
2024/06/08
King Cetshwayo (KUR)
Standard
60
0.83
5
5
3.0
1209.6
1211.2
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
15
9
3
3
10.5
70.0
170.0
1282.2
1452.2
White
7
4
2
1
5.0
71.4
182.1
1305.0
1487.2
Black
8
5
1
2
5.5
68.8
159.4
1262.2
1421.5
Standard
All
5
3
0
2
3.0
60.0
85.0
1357.5
1442.5
White
2
1
0
1
1.0
50.0
0.0
1416.4
1416.4
Black
3
2
0
1
2.0
66.7
141.7
1318.3
1460.0
Rapid
All
10
6
3
1
7.5
75.0
212.5
1244.5
1457.0
White
5
3
2
0
4.0
80.0
255.0
1260.5
1515.5
Black
5
3
1
1
3.5
70.0
170.0
1228.5
1398.5
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
15
9
3
3
10.5
70.0
170.0
1282.2
1452.2
White
7
4
2
1
5.0
71.4
182.1
1305.0
1487.2
Black
8
5
1
2
5.5
68.8
159.4
1262.2
1421.5
Standard
All
5
3
0
2
3.0
60.0
85.0
1357.5
1442.5
White
2
1
0
1
1.0
50.0
0.0
1416.4
1416.4
Black
3
2
0
1
2.0
66.7
141.7
1318.3
1460.0
Rapid
All
10
6
3
1
7.5
75.0
212.5
1244.5
1457.0
White
5
3
2
0
4.0
80.0
255.0
1260.5
1515.5
Black
5
3
1
1
3.5
70.0
170.0
1228.5
1398.5
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
1810162559
Kunene, S (Sizwe)
1
1.0
1
0
0
100.0
1209.6
425.0
1634.6
View list
2
1940146826
Hlatshwayo, N (Nhlakanipho)
1
1.0
1
0
0
100.0
1209.6
425.0
1634.6
View list
3
105090162
Swart, J (John)
1
1.0
1
0
0
100.0
1209.6
425.0
1634.6
View list
4
1100311738
Mbuyazi, L (Lungani)
1
1.0
1
0
0
100.0
1278.6
425.0
1703.6
View list
5
1070310341
Mbhense, S (Siyamthanda)
1
1.0
1
0
0
100.0
1251.4
425.0
1676.4
View list
6
1050135047
Majola, H (Hillary)
1
1.0
1
0
0
100.0
1278.6
425.0
1703.6
View list
7
108088793
Murehwa, D (Derrick)
1
1.0
1
0
0
100.0
1251.4
425.0
1676.4
View list
8
1090305386
Mthethwa, B (Bayanda)
1
1.0
1
0
0
100.0
1278.6
425.0
1703.6
View list
9
1070144323
Mthembu, N (Nhlanzeko)
1
1.0
1
0
0
100.0
1251.4
425.0
1676.4
View list
10
205081832
Mlaba, A (Ayanda)
1
0.5
0
1
0
50.0
1278.6
0.0
1278.6
View list
11
108088791
Mabaso, R (Rorisang)
1
0.5
0
1
0
50.0
1251.4
0.0
1251.4
View list
12
1090305382
Lamula, T (Thobelani)
1
0.5
0
1
0
50.0
1278.6
0.0
1278.6
View list
13
1080141690
Xulu, L (Lindani)
1
0.0
0
0
1
0.0
1251.4
-425.0
826.4
View list
14
108090138
Segadevan, S (Saien)
1
0.0
0
0
1
0.0
1209.6
-425.0
784.6
View list
15
1090154265
Adekola, T (Treasure)
1
0.0
0
0
1
0.0
1209.6
-425.0
784.6
View list