Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Rooyan, D (David)
Dob:
2015/04/12 (U10)
Gender:
Male
Chess SA id:
1150306485
FIDE id:
Region:
Ethekwini (KED)
Citizen:
RSA
Title(s):
Last active:
2024/06/08 (100 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
1137.6
Current Weighted rating
1190.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1190.2
Current highest rating achieved
1137.6
Current floor (min rating allowed)
637.6
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)
±181.2
Current Raw change used (final)
0.0
Projected new Raw rating
1137.6
Projected new Weighed rating
1094.6
Projected new Weighted performance
254.3
Projected new final Raw rating (if new WP > new Raw)
1137.6
Projected new highest rating
1137.6
Projected new floor
637.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1137.6
Projected effective change (new Official - current Official)
-52.6
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
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
1100.8
Current Weighted rating
1184.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1184.5
Current highest rating achieved
1100.8
Current floor (min rating allowed)
600.8
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)
±191.0
Current Raw change used (final)
0.0
Projected new Raw rating
1100.8
Projected new Weighed rating
1089.1
Projected new Weighted performance
267.7
Projected new final Raw rating (if new WP > new Raw)
1100.8
Projected new highest rating
1100.8
Projected new floor
600.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1100.8
Projected effective change (new Official - current Official)
-83.7
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
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
Durban & Districts Chess Challenge 2024 (U8+U10)
2024/06/08
2024/06/08
Ethekwini (KED)
Rapid
30
0.60
7
6
0.5
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
Durban & Districts Chess Challenge 2024 (U8+U10)
2024/06/08
2024/06/08
Ethekwini (KED)
Rapid
30
0.60
7
6
0.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
6
0
1
5
0.5
8.3
-354.2
1185.7
831.5
White
3
0
0
3
0.0
0.0
-425.0
1190.9
765.9
Black
3
0
1
2
0.5
16.7
-283.3
1180.4
897.0
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
6
0
1
5
0.5
8.3
-354.2
1185.7
831.5
White
3
0
0
3
0.0
0.0
-425.0
1190.9
765.9
Black
3
0
1
2
0.5
16.7
-283.3
1180.4
897.0
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
6
0
1
5
0.5
8.3
-354.2
1185.7
831.5
White
3
0
0
3
0.0
0.0
-425.0
1190.9
765.9
Black
3
0
1
2
0.5
16.7
-283.3
1180.4
897.0
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
6
0
1
5
0.5
8.3
-354.2
1185.7
831.5
White
3
0
0
3
0.0
0.0
-425.0
1190.9
765.9
Black
3
0
1
2
0.5
16.7
-283.3
1180.4
897.0
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
1150306469
Kizgin, S (Shaelyn)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
2
2150154347
O'Donoghue, O (Olivia)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
3
1160305933
Maseko, T (Taddeus)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
4
1160140318
Hadebe, L (Lubanzi)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1150306467
Gumede, N (Nkazi)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1160306465
Govender, N (Neroshen)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
