Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Sias, L (Leigh-Kay)
Dob:
2010/03/21 (U16)
Gender:
Male
Chess SA id:
1100131847
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2023/07/29 (484 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
1165.7
Current Weighted rating
1165.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1165.7
Current highest rating achieved
1170.3
Current floor (min rating allowed)
670.3
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)
±174.1
Current Raw change used (final)
0.0
Projected new Raw rating
1165.7
Projected new Weighed rating
1072.5
Projected new Weighted performance
657.9
Projected new final Raw rating (if new WP > new Raw)
1165.7
Projected new highest rating
1170.3
Projected new floor
670.3
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1165.7
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
1146.0
Current Weighted rating
1147.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1147.3
Current highest rating achieved
1160.0
Current floor (min rating allowed)
660.0
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)
±179.1
Current Raw change used (final)
0.0
Projected new Raw rating
1146.0
Projected new Weighed rating
1055.3
Projected new Weighted performance
433.4
Projected new final Raw rating (if new WP > new Raw)
1146.0
Projected new highest rating
1160.0
Projected new floor
660.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1146.0
Projected effective change (new Official - current Official)
-1.3
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
1209.2
Current Weighted rating
1208.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1209.2
Current highest rating achieved
1209.2
Current floor (min rating allowed)
709.2
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)
±163.7
Current Raw change used (final)
0.0
Projected new Raw rating
1209.2
Projected new Weighed rating
1112.0
Projected new Weighted performance
332.2
Projected new final Raw rating (if new WP > new Raw)
1209.2
Projected new highest rating
1209.2
Projected new floor
709.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1209.2
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
Pedro Booyse Top Schools 2023 (U13)
2023/07/29
2023/07/29
West Coast (WCU)
Standard
60
0.83
5
5
2.0
1170.3
1160.0
Analysis
2
Upper West Coast Top Schools Championship 2023 (U13)
2023/06/10
2023/06/10
West Coast (WCU)
Rapid
30
0.60
5
4
2.0
1164.1
1200.0
Analysis
1
Bo-Weskus Skole Prestige 2020 (O11 Seuns)
2020/02/15
2020/02/15
West Coast (WCU)
Standard
60
0.83
6
6
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
15
6
0
9
6.0
40.0
-85.0
1213.2
1128.2
White
8
3
0
5
3.0
37.5
-106.3
1217.5
1111.2
Black
7
3
0
4
3.0
42.9
-60.7
1208.3
1147.5
Standard
All
11
4
0
7
4.0
36.4
-115.9
1211.0
1095.1
White
6
2
0
4
2.0
33.3
-141.7
1232.1
1090.4
Black
5
2
0
3
2.0
40.0
-85.0
1185.6
1100.6
Rapid
All
4
2
0
2
2.0
50.0
0.0
1219.3
1219.3
White
2
1
0
1
1.0
50.0
0.0
1173.6
1173.6
Black
2
1
0
1
1.0
50.0
0.0
1264.9
1264.9
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
2110131943
Sikhondo, N (Nevilene)
2
0.0
0
0
2
0.0
1167.2
-425.0
742.2
View list
2
1090131850
Tities, J (Joey)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1090131833
Herrang, H (Haydon)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
2100157855
Green, M (Marzel)
1
1.0
1
0
0
100.0
1164.1
425.0
1589.1
View list
5
1150150376
Erasmus, D (Daniel)
1
1.0
1
0
0
100.0
1170.3
425.0
1595.3
View list
6
2110153189
Opperman, K (Kelly-Ann)
1
1.0
1
0
0
100.0
1170.3
425.0
1595.3
View list
7
1100110495
Opperman, C (Caleb)
1
1.0
1
0
0
100.0
1164.1
425.0
1589.1
View list
8
1100156596
Knight, T (Tyde)
1
0.0
0
0
1
0.0
1170.3
-425.0
745.3
View list
9
1090110401
Julie, D (Drueschen)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
2120110479
Joseph, N (Nashadine)
1
0.0
0
0
1
0.0
1164.1
-425.0
739.1
View list
11
1100138317
De Boer, A (Andrew)
1
0.0
0
0
1
0.0
1170.3
-425.0
745.3
View list
12
1100110519
Coetzee, C (Chris)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
13
1090110423
Cassim, T (Tayob)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
14
1090131829
Barends, A (Amrick)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list