Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Petro, L (Larrygha)
Dob:
2005/01/14 (U20)
Gender:
Male
Chess SA id:
1050137543
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2023/02/25 (487 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
1132.4
Current Weighted rating
1134.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1134.4
Current highest rating achieved
1154.3
Current floor (min rating allowed)
654.3
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)
±182.6
Current Raw change used (final)
0.0
Projected new Raw rating
1132.4
Projected new Weighed rating
1043.3
Projected new Weighted performance
454.6
Projected new final Raw rating (if new WP > new Raw)
1132.4
Projected new highest rating
1154.3
Projected new floor
654.3
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1132.4
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
1161.6
Current Weighted rating
1165.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1165.2
Current highest rating achieved
1161.6
Current floor (min rating allowed)
661.6
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)
±175.1
Current Raw change used (final)
0.0
Projected new Raw rating
1161.6
Projected new Weighed rating
1071.4
Projected new Weighted performance
291.4
Projected new final Raw rating (if new WP > new Raw)
1161.6
Projected new highest rating
1161.6
Projected new floor
661.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1161.6
Projected effective change (new Official - current Official)
-3.6
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
1134.8
Current Weighted rating
1134.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1134.8
Current highest rating achieved
1134.8
Current floor (min rating allowed)
634.8
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)
±182.0
Current Raw change used (final)
0.0
Projected new Raw rating
1134.8
Projected new Weighed rating
1044.0
Projected new Weighted performance
214.8
Projected new final Raw rating (if new WP > new Raw)
1134.8
Projected new highest rating
1134.8
Projected new floor
634.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1134.8
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
Cape Winelands Schools Chess - Trials 1 2023 (U19 Boys)
2023/02/25
2023/02/25
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.0
1154.3
1200.0
Analysis
1
Central Winelands Schools Individual Trials 2022 (U18 Boys)
2022/02/19
2022/02/19
Cape Winelands (WCW)
Rapid
35
0.66
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
3
0
7
3.0
30.0
-170.0
1150.8
980.8
White
6
3
0
3
3.0
50.0
0.0
1133.7
1133.7
Black
4
0
0
4
0.0
0.0
-425.0
1176.5
751.5
Standard
All
5
2
0
3
2.0
40.0
-85.0
1134.1
1049.1
White
3
2
0
1
2.0
66.7
141.7
1112.0
1253.7
Black
2
0
0
2
0.0
0.0
-425.0
1167.3
742.3
Rapid
All
5
1
0
4
1.0
20.0
-255.0
1167.5
912.5
White
3
1
0
2
1.0
33.3
-141.7
1155.4
1013.7
Black
2
0
0
2
0.0
0.0
-425.0
1185.7
760.7
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
1050137538
Fry, G (Geone)
2
0.0
0
0
2
0.0
1177.2
-425.0
752.2
View list
2
1050098455
Schoeman, E (Eugh Kian)
1
1.0
1
0
0
100.0
1154.3
425.0
1579.3
View list
3
1050137544
Rohrs, A (Albert)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1050151329
Geel, R (Ruan)
1
1.0
1
0
0
100.0
1154.3
425.0
1579.3
View list
5
104049731
Waite, S (Sebastian)
1
0.0
0
0
1
0.0
1154.3
-425.0
729.3
View list
6
105087806
Meyer, JJ (Jordan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
1060099582
Deysel, T (Turlo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
1050151327
Cupido, A (Ayden)
1
0.0
0
0
1
0.0
1154.3
-425.0
729.3
View list
9
106072019
Benn, E (Ethan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
