Chess South Africa
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Chess South Africa
Jona, S (Samkelisiwe)
Dob:
2011/11/11 (U14)
Gender:
Female
Chess SA id:
2110158728
FIDE id:
Region:
Gert Sibande (MGS)
Citizen:
RSA
Title(s):
Last active:
2023/08/25 (308 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
1196.4
Current Weighted rating
1197.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1197.2
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)
±166.7
Current Raw change used (final)
0.0
Projected new Raw rating
1196.4
Projected new Weighed rating
1101.3
Projected new Weighted performance
806.8
Projected new final Raw rating (if new WP > new Raw)
1196.4
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)
1196.4
Projected effective change (new Official - current Official)
-0.8
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
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
1199.6
Current Weighted rating
1199.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1199.6
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)
±165.9
Current Raw change used (final)
0.0
Projected new Raw rating
1199.6
Projected new Weighed rating
1103.4
Projected new Weighted performance
849.3
Projected new final Raw rating (if new WP > new Raw)
1199.6
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)
1199.6
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
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
3
2023 Gert Sibande League (Girls)
2023/08/25
2023/08/25
Gert Sibande (MGS)
Rapid
30
0.60
5
4
2.0
1192.7
1190.6
Analysis
2
Govin Mbeki Teams Chess Tournament 2023 (U13 Girls)
2023/08/18
2023/08/18
Gert Sibande (MGS)
Rapid
30
0.60
5
4
2.0
1192.7
1190.6
Analysis
1
Hoëveldgroep 2023 (Dogters)
2023/07/28
2023/07/28
Gert Sibande (MGS)
Rapid
30
0.60
5
5
2.0
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
13
6
0
7
6.0
46.2
-32.7
1213.7
1181.0
White
6
2
0
4
2.0
33.3
-141.7
1222.6
1081.0
Black
7
4
0
3
4.0
57.1
60.7
1206.1
1266.8
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
13
6
0
7
6.0
46.2
-32.7
1213.7
1181.0
White
6
2
0
4
2.0
33.3
-141.7
1222.6
1081.0
Black
7
4
0
3
4.0
57.1
60.7
1206.1
1266.8
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
2100144827
Tshekoeng, R (Rorisang)
3
0.0
0
0
3
0.0
1195.1
-425.0
770.1
View list
2
2130143986
De Beer, C (Caitlin)
2
1.0
1
0
1
50.0
1196.3
0.0
1196.3
View list
3
2100158731
Mendze, M (Minenhle)
2
0.0
0
0
2
0.0
1192.7
-425.0
767.7
View list
4
2130161376
Kajeni, U (Uyanda)
1
1.0
1
0
0
100.0
1192.7
425.0
1617.7
View list
5
2130158724
Grobler, R (Ruzelle)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
2100158720
Beukes, B (Beulah)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
2100145046
Masango, S (Sinehlanhla)
1
1.0
1
0
0
100.0
1192.7
425.0
1617.7
View list
8
2100161378
Manqina, A (Alicia)
1
1.0
1
0
0
100.0
1192.7
425.0
1617.7
View list
9
2100143959
Magombeyi, A (Ashley)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
