Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Biyela, S (Sibani)
Dob:
2012/08/10 (U14)
Gender:
Male
Chess SA id:
1120309017
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/08/03 (101 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
1181.7
Current Weighted rating
1195.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1195.8
Current highest rating achieved
1181.7
Current floor (min rating allowed)
681.7
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)
±170.2
Current Raw change used (final)
0.0
Projected new Raw rating
1181.7
Projected new Weighed rating
1100.0
Projected new Weighted performance
358.1
Projected new final Raw rating (if new WP > new Raw)
1181.7
Projected new highest rating
1181.7
Projected new floor
681.7
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1181.7
Projected effective change (new Official - current Official)
-14.1
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
1178.4
Current Weighted rating
1195.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1195.0
Current highest rating achieved
1178.4
Current floor (min rating allowed)
678.4
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)
±171.0
Current Raw change used (final)
0.0
Projected new Raw rating
1178.4
Projected new Weighed rating
1099.2
Projected new Weighted performance
358.1
Projected new final Raw rating (if new WP > new Raw)
1178.4
Projected new highest rating
1178.4
Projected new floor
678.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1178.4
Projected effective change (new Official - current Official)
-16.6
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
1
D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13B)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13B)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
2
0
3
2.0
40.0
-85.0
1197.7
1112.7
White
3
0
0
3
0.0
0.0
-425.0
1196.2
771.2
Black
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
Standard
All
5
2
0
3
2.0
40.0
-85.0
1197.7
1112.7
White
3
0
0
3
0.0
0.0
-425.0
1196.2
771.2
Black
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
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
2
0
3
2.0
40.0
-85.0
1197.7
1112.7
White
3
0
0
3
0.0
0.0
-425.0
1196.2
771.2
Black
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
Standard
All
5
2
0
3
2.0
40.0
-85.0
1197.7
1112.7
White
3
0
0
3
0.0
0.0
-425.0
1196.2
771.2
Black
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
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
1130309036
Ngidi, S (Smangaliso)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
2120309048
Zitha, N (Nonhle)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
2110309044
Steiger, L (Leandri)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
4
1110114772
Erasmus, C (Cilliers)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1110309018
Botha, T (Tristan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
