Chess South Africa
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Chess South Africa
Bosi, S (Sithembiso)
Dob:
2014/03/25 (U12)
Gender:
Female
Chess SA id:
2140308672
FIDE id:
Region:
Amathole (EAL)
Citizen:
RSA
Title(s):
Last active:
2024/10/19 (36 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
1170.8
Current Weighted rating
1197.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1197.5
Current highest rating achieved
1198.7
Current floor (min rating allowed)
698.7
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)
±172.9
Current Raw change used (final)
0.0
Projected new Raw rating
1170.8
Projected new Weighed rating
1101.6
Projected new Weighted performance
663.9
Projected new final Raw rating (if new WP > new Raw)
1170.8
Projected new highest rating
1198.7
Projected new floor
698.7
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1170.8
Projected effective change (new Official - current Official)
-26.7
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
1166.0
Current Weighted rating
1197.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1197.0
Current highest rating achieved
1198.4
Current floor (min rating allowed)
698.4
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)
±174.0
Current Raw change used (final)
0.0
Projected new Raw rating
1166.0
Projected new Weighed rating
1101.2
Projected new Weighted performance
663.9
Projected new final Raw rating (if new WP > new Raw)
1166.0
Projected new highest rating
1198.4
Projected new floor
698.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1166.0
Projected effective change (new Official - current Official)
-31.0
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
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
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
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
2
Whiteville Primary Closed 2024
2024/10/19
2024/10/19
Amathole (EAL)
Standard
60
0.83
6
6
2.0
1198.7
1198.4
Analysis
1
Amathole West Schools Sub-District Trials 2024 (U15 Girls)
2024/08/07
2024/08/07
Amathole (EAL)
Standard
60
0.83
5
5
2.5
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Whiteville Primary Closed 2024
2024/10/19
2024/10/19
Amathole (EAL)
Standard
60
0.83
6
6
2.0
1198.7
1198.4
Analysis
1
Amathole West Schools Sub-District Trials 2024 (U15 Girls)
2024/08/07
2024/08/07
Amathole (EAL)
Standard
60
0.83
5
5
2.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
11
4
1
6
4.5
40.9
-77.3
1212.2
1135.0
White
6
2
0
4
2.0
33.3
-141.7
1222.5
1080.8
Black
5
2
1
2
2.5
50.0
0.0
1200.0
1200.0
Standard
All
11
4
1
6
4.5
40.9
-77.3
1212.2
1135.0
White
6
2
0
4
2.0
33.3
-141.7
1222.5
1080.8
Black
5
2
1
2
2.5
50.0
0.0
1200.0
1200.0
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
11
4
1
6
4.5
40.9
-77.3
1212.2
1135.0
White
6
2
0
4
2.0
33.3
-141.7
1222.5
1080.8
Black
5
2
1
2
2.5
50.0
0.0
1200.0
1200.0
Standard
All
11
4
1
6
4.5
40.9
-77.3
1212.2
1135.0
White
6
2
0
4
2.0
33.3
-141.7
1222.5
1080.8
Black
5
2
1
2
2.5
50.0
0.0
1200.0
1200.0
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1130312533
Qaba, K (Khazimla)
1
1.0
1
0
0
100.0
1198.7
425.0
1623.7
View list
2
2120308685
Vena, L (Lerato)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
2130312530
Mdake, Z (Zingce)
1
1.0
1
0
0
100.0
1198.7
425.0
1623.7
View list
4
2140308673
Cola, L (Luminam)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
2110308674
Dayimani, A (Amhara)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
6
2110308683
Sikendle, L (Liveni)
1
0.0
0
0
1
0.0
1198.7
-425.0
773.7
View list
7
1120312534
Sigungqa, S (Siphelele)
1
0.0
0
0
1
0.0
1198.7
-425.0
773.7
View list
8
1110312531
Ntoshe, K (Kungentando)
1
0.0
0
0
1
0.0
1198.7
-425.0
773.7
View list
9
2100308680
Mdonga, A (Anazo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
2130308678
Matyila, S (Sihlangule)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
2120308677
Ketsekile, I (Indiphile)
1
0.0
0
0
1
0.0
1198.7
-425.0
773.7
View list