Chess South Africa
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Chess South Africa
Van Rooyen, W (Willem)
Dob:
2011/04/19 (U14)
Gender:
Male
Chess SA id:
1110159198
FIDE id:
Region:
Ehlanzeni (MEN)
Citizen:
RSA
Title(s):
Last active:
2023/08/05 (325 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
1223.1
Current Weighted rating
1216.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1223.1
Current highest rating achieved
1223.1
Current floor (min rating allowed)
723.1
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)
±160.4
Current Raw change used (final)
0.0
Projected new Raw rating
1223.1
Projected new Weighed rating
1119.2
Projected new Weighted performance
646.4
Projected new final Raw rating (if new WP > new Raw)
1223.1
Projected new highest rating
1223.1
Projected new floor
723.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1223.1
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
1166.9
Current Weighted rating
1176.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1176.9
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)
±173.8
Current Raw change used (final)
0.0
Projected new Raw rating
1166.9
Projected new Weighed rating
1082.2
Projected new Weighted performance
312.2
Projected new final Raw rating (if new WP > new Raw)
1166.9
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)
1166.9
Projected effective change (new Official - current Official)
-10.0
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
1272.0
Current Weighted rating
1250.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1272.0
Current highest rating achieved
1272.0
Current floor (min rating allowed)
772.0
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)
±149.6
Current Raw change used (final)
0.0
Projected new Raw rating
1272.0
Projected new Weighed rating
1151.5
Projected new Weighted performance
439.8
Projected new final Raw rating (if new WP > new Raw)
1272.0
Projected new highest rating
1272.0
Projected new floor
772.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1272.0
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
Overberg Top Schools 2023 (U13)
2023/08/05
2023/08/05
Overberg (WOS)
Standard
60
0.83
5
4
1.0
1200.0
1200.0
Analysis
1
Interprimary 2023 (U13)
2023/08/05
2023/08/05
Ehlanzeni (MEN)
Rapid
30
0.60
7
6
5.0
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
6
0
4
6.0
60.0
85.0
1227.3
1312.3
White
5
3
0
2
3.0
60.0
85.0
1247.4
1332.4
Black
5
3
0
2
3.0
60.0
85.0
1207.1
1292.1
Standard
All
4
1
0
3
1.0
25.0
-212.5
1266.4
1053.9
White
2
0
0
2
0.0
0.0
-425.0
1361.1
936.1
Black
2
1
0
1
1.0
50.0
0.0
1171.7
1171.7
Rapid
All
6
5
0
1
5.0
83.3
283.3
1201.2
1484.5
White
3
3
0
0
3.0
100.0
425.0
1171.7
1596.7
Black
3
2
0
1
2.0
66.7
141.7
1230.7
1372.4
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
1100159179
Cassim, F (Fayaaz)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1110151346
Ess, N (Noah)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1110149506
Williams, J (Jody)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1110152027
Thobela, K (Khayalethu)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1110159139
Siduli, B (Bahle)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
1100159190
Nkosi, N (Ntsakiso)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1120145251
Kudiyarov, M (Maxim)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
1130149486
Saldanha, N (Noah)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
1110130188
Du Plessis, J (Jan-Dawid)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
210086678
Botha, E (Emily)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list