Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Sairai, N (Nyasha)
Dob:
2009/08/29 (U16)
Gender:
Male
Chess SA id:
1090153014
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2023/04/22 (582 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
1117.0
Current Weighted rating
1119.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1119.0
Current highest rating achieved
1143.2
Current floor (min rating allowed)
643.2
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)
±186.6
Current Raw change used (final)
0.0
Projected new Raw rating
1117.0
Projected new Weighed rating
1028.7
Projected new Weighted performance
460.6
Projected new final Raw rating (if new WP > new Raw)
1117.0
Projected new highest rating
1143.2
Projected new floor
643.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1117.0
Projected effective change (new Official - current Official)
-2.0
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
1104.0
Current Weighted rating
1106.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1106.3
Current highest rating achieved
1132.0
Current floor (min rating allowed)
632.0
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)
±190.1
Current Raw change used (final)
0.0
Projected new Raw rating
1104.0
Projected new Weighed rating
1016.9
Projected new Weighted performance
460.6
Projected new final Raw rating (if new WP > new Raw)
1104.0
Projected new highest rating
1132.0
Projected new floor
632.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1104.0
Projected effective change (new Official - current Official)
-2.3
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
2
Ekurhuleni Trials 2 2023 (U16)
2023/04/22
2023/04/22
Ekurhuleni (GE)
Standard
60
0.83
5
5
1.0
1143.2
1132.0
Analysis
1
Ekhuruleni Chess Trials 1 2023 (U16)
2023/03/25
2023/03/25
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
10
2
0
8
2.0
20.0
-255.0
1213.8
958.8
White
5
1
0
4
1.0
20.0
-255.0
1221.8
966.8
Black
5
1
0
4
1.0
20.0
-255.0
1205.9
950.9
Standard
All
10
2
0
8
2.0
20.0
-255.0
1213.8
958.8
White
5
1
0
4
1.0
20.0
-255.0
1221.8
966.8
Black
5
1
0
4
1.0
20.0
-255.0
1205.9
950.9
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
1090134733
Molefe, K (Katlego)
1
1.0
1
0
0
100.0
1143.2
425.0
1568.2
View list
2
2080153006
Mogotsi, R (Reatlehile)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1080136326
Van Der Walt, T (Tjaart)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
4
1080135404
Robbetze, Z (Zamian)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
2080152246
Malinga, A (Anele)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1090153004
Govenden, K (Kovidh)
1
0.0
0
0
1
0.0
1143.2
-425.0
718.2
View list
7
1080100302
Goncalves, A (Adriano)
1
0.0
0
0
1
0.0
1143.2
-425.0
718.2
View list
8
1080119822
Elvin, D (David)
1
0.0
0
0
1
0.0
1143.2
-425.0
718.2
View list
9
108088042
Crawford, J (Jared)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
108084071
Andrews, J (Jason)
1
0.0
0
0
1
0.0
1143.2
-425.0
718.2
View list