Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Nkosi, S (Siyabonga)
Dob:
1998/09/23 (Adult)
Gender:
Male
Chess SA id:
198027990
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2018/07/06 (2142 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
1464.3
Curent Weighted rating
1452.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1464.3
Current floor (min rating allowed)
989.0
Current highest rating achieved
1489.0
Current K-factor
32
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)
±113.8
Current Raw change used (final)
0.0
Projected new Raw rating
1464.3
Projected new Weighed rating
1453.9
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1464.3
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1489.0
Projected new floor
989.0
Projected new K-facor
32
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
1460.7
Curent Weighted rating
1449.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1460.7
Current floor (min rating allowed)
989.0
Current highest rating achieved
1489.0
Current K-factor
32
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)
±114.4
Current Raw change used (final)
0.0
Projected new Raw rating
1460.7
Projected new Weighed rating
1450.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1460.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1489.0
Projected new floor
989.0
Projected new K-facor
32
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
1480.0
Curent Weighted rating
1480.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1480.0
Current floor (min rating allowed)
989.0
Current highest rating achieved
1489.0
Current K-factor
32
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)
±111.3
Current Raw change used (final)
0.0
Projected new Raw rating
1480.0
Projected new Weighed rating
1480.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1480.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1489.0
Projected new floor
989.0
Projected new K-facor
32
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
1480.0
Curent Weighted rating
1480.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1480.0
Current floor (min rating allowed)
989.0
Current highest rating achieved
1489.0
Current K-factor
32
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)
±111.3
Current Raw change used (final)
0.0
Projected new Raw rating
1480.0
Projected new Weighed rating
1480.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1480.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1489.0
Projected new floor
989.0
Projected new K-facor
32
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
2018 USSA Championship (Open)
2018/07/02
2018/07/06
Gert Sibande (MGS)
Standard
90
0.94
9
9
5.5
1484.8
1485.8
Analysis
1
JCC Wits 2018 (B)
2018/02/25
2018/02/25
Johannesburg Metro (GJM)
Standard
62
0.84
5
5
4.5
1480.0
1480.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
Standard
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
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
14
9
2
3
10.0
71.4
182.1
1180.0
1362.1
White
7
5
1
1
5.5
78.6
242.9
1186.1
1428.9
Black
7
4
1
2
4.5
64.3
121.4
1173.9
1295.4
Standard
All
14
9
2
3
10.0
71.4
182.1
1180.0
1362.1
White
7
5
1
1
5.5
78.6
242.9
1186.1
1428.9
Black
7
4
1
2
4.5
64.3
121.4
1173.9
1295.4
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
106073248
Allison, LM (Liam)
1
1.0
1
0
0
100.0
1480.0
425.0
1905.0
View list
2
1970104048
Mathetha, M (Mlungisi)
1
1.0
1
0
0
100.0
1484.8
425.0
1909.8
View list
3
197055928
Chiloane, L (Leeroy)
1
1.0
1
0
0
100.0
1484.8
425.0
1909.8
View list
4
197011575
Haai, A (Austin)
1
1.0
1
0
0
100.0
1484.8
425.0
1909.8
View list
5
191076602
Nkosi, M (Minenhle)
1
1.0
1
0
0
100.0
1484.8
425.0
1909.8
View list
6
1890097685
Murapa, B (Batsirai)
1
1.0
1
0
0
100.0
1480.0
425.0
1905.0
View list
7
104060530
Mooketsi, O (Owane)
1
1.0
1
0
0
100.0
1480.0
425.0
1905.0
View list
8
198082030
Mboyisa, N (Ndumiso)
1
1.0
1
0
0
100.0
1480.0
425.0
1905.0
View list
9
198094887
Mbombo, N (Nhlanhla)
1
1.0
1
0
0
100.0
1484.8
425.0
1909.8
View list
10
195092509
Mathonsi, I (Innocent)
1
0.5
0
1
0
50.0
1484.8
0.0
1484.8
View list
11
101044645
Maharaj, K (Kiashen)
1
0.5
0
1
0
50.0
1480.0
0.0
1480.0
View list
12
197013325
Jacobs, CL (Cavan)
1
0.0
0
0
1
0.0
1484.8
-425.0
1059.8
View list
13
197007600
Dorey, PDV (Pierre)
1
0.0
0
0
1
0.0
1484.8
-425.0
1059.8
View list
14
195001335
Barnard, B (Brendon)
1
0.0
0
0
1
0.0
1484.8
-425.0
1059.8
View list