Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Ngwenya, S (Sbongile)
Dob:
2007/01/29 (U18)
Gender:
Female
Chess SA id:
2070143483
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2022/06/18 (890 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
1147.2
Current Weighted rating
1147.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1147.2
Current highest rating achieved
1147.2
Current floor (min rating allowed)
647.2
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)
±178.8
Current Raw change used (final)
0.0
Projected new Raw rating
1147.2
Projected new Weighed rating
1055.4
Projected new Weighted performance
216.7
Projected new final Raw rating (if new WP > new Raw)
1147.2
Projected new highest rating
1147.2
Projected new floor
647.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1147.2
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
1135.6
Current Weighted rating
1135.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1135.6
Current highest rating achieved
1135.6
Current floor (min rating allowed)
635.6
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)
±181.7
Current Raw change used (final)
0.0
Projected new Raw rating
1135.6
Projected new Weighed rating
1044.8
Projected new Weighted performance
216.7
Projected new final Raw rating (if new WP > new Raw)
1135.6
Projected new highest rating
1135.6
Projected new floor
635.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1135.6
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.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
2022 Gauteng Schools Individual Chess Championship (U15 Girls)
2022/06/18
2022/06/18
Ekurhuleni (GE)
Standard
60
0.83
5
5
1.0
1200.0
1200.0
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
5
0
2
3
1.0
20.0
-255.0
1190.2
935.2
White
3
0
2
1
1.0
33.3
-141.7
1199.3
1057.7
Black
2
0
0
2
0.0
0.0
-425.0
1176.6
751.6
Standard
All
5
0
2
3
1.0
20.0
-255.0
1190.2
935.2
White
3
0
2
1
1.0
33.3
-141.7
1199.3
1057.7
Black
2
0
0
2
0.0
0.0
-425.0
1176.6
751.6
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2100143484
Nyathi, F (Faith)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
2
2070141934
Els, A (Abigail)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
3
2070102407
Zifo, Z (Zama)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
4
2080141936
Makhale, O (Oratiloe)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
2080115240
Mahlangu, B (Belinda)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
