Chess South Africa
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Chess South Africa
Davies, Y (Yibka)
Dob:
1964/04/20 (Adult)
Gender:
Male
Chess SA id:
164006151
FIDE id:
Region:
Sekhukhune (LSG)
Citizen:
RSA
Title(s):
Last active:
2020/02/29 (1543 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
1590.0
Curent Weighted rating
1590.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1590.0
Current floor (min rating allowed)
1118.0
Current highest rating achieved
1618.0
Current K-factor
28
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)
±95.1
Current Raw change used (final)
0.0
Projected new Raw rating
1590.0
Projected new Weighed rating
1590.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1590.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1618.0
Projected new floor
1118.0
Projected new K-facor
28
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
1581.6
Curent Weighted rating
1581.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1581.6
Current floor (min rating allowed)
1118.0
Current highest rating achieved
1618.0
Current K-factor
28
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)
±96.3
Current Raw change used (final)
0.0
Projected new Raw rating
1581.6
Projected new Weighed rating
1581.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1581.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1618.0
Projected new floor
1118.0
Projected new K-facor
28
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
1618.0
Curent Weighted rating
1618.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1618.0
Current floor (min rating allowed)
1118.0
Current highest rating achieved
1618.0
Current K-factor
28
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)
±91.4
Current Raw change used (final)
0.0
Projected new Raw rating
1618.0
Projected new Weighed rating
1618.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1618.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1618.0
Projected new floor
1118.0
Projected new K-facor
28
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
1618.0
Curent Weighted rating
1618.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1618.0
Current floor (min rating allowed)
1118.0
Current highest rating achieved
1618.0
Current K-factor
28
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)
±91.4
Current Raw change used (final)
0.0
Projected new Raw rating
1618.0
Projected new Weighed rating
1618.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1618.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1618.0
Projected new floor
1118.0
Projected new K-facor
28
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
4th University Of Limpopo Challenge 2020
2020/02/29
2020/02/29
Capricorn (LCP)
Standard
62
0.84
5
5
3.0
1600.1
1596.4
Analysis
1
1st Mopani Open 2019
2019/07/27
2019/07/27
Mopani (LMG)
Standard
60
0.83
5
5
3.5
1618.0
1618.0
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
15
9
2
4
10.0
66.7
141.7
1336.7
1478.4
White
8
4
2
2
5.0
62.5
106.3
1312.2
1418.4
Black
7
5
0
2
5.0
71.4
182.1
1364.7
1546.9
Standard
All
15
9
2
4
10.0
66.7
141.7
1336.7
1478.4
White
8
4
2
2
5.0
62.5
106.3
1312.2
1418.4
Black
7
5
0
2
5.0
71.4
182.1
1364.7
1546.9
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
1970106004
Moloto, L (Lesetja)
2
2.0
2
0
0
100.0
1618.0
425.0
2043.0
View list
2
1880118689
Horak, E (Etienne)
2
2.0
2
0
0
100.0
1618.0
425.0
2043.0
View list
3
200047886
Gudhluza, N (Nyiko)
2
2.0
2
0
0
100.0
1618.0
425.0
2043.0
View list
4
197092519
Mabala, S (Sekgoadi)
2
1.0
0
2
0
50.0
1618.0
0.0
1618.0
View list
5
183015072
Kekana, S (Simon)
2
0.0
0
0
2
0.0
1618.0
-425.0
1193.0
View list
6
200052854
Mabitsela, KM (Miranda)
1
1.0
1
0
0
100.0
1600.1
425.0
2025.1
View list
7
197047928
Shikwambane, S (Stanley)
1
1.0
1
0
0
100.0
1600.1
425.0
2025.1
View list
8
196026822
Nchabeleng, M (Moremi)
1
1.0
1
0
0
100.0
1600.1
425.0
2025.1
View list
9
197054643
Menyuku, MW (Madimetja)
1
0.0
0
0
1
0.0
1600.1
-425.0
1175.1
View list
10
185004359
Chabalala, W (Whisper)
1
0.0
0
0
1
0.0
1600.1
-425.0
1175.1
View list
