Chess South Africa
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Chess South Africa
De Villiers, IP (Izak Petrus)
Dob:
2012/04/24 (U14)
Gender:
Male
Chess SA id:
1120116864
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2023/08/12 (470 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
1120.0
Current Weighted rating
1129.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1129.6
Current highest rating achieved
1120.0
Current floor (min rating allowed)
620.0
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)
±185.8
Current Raw change used (final)
0.0
Projected new Raw rating
1120.0
Projected new Weighed rating
1037.9
Projected new Weighted performance
222.9
Projected new final Raw rating (if new WP > new Raw)
1120.0
Projected new highest rating
1120.0
Projected new floor
620.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1120.0
Projected effective change (new Official - current Official)
-9.6
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
1104.0
Current Weighted rating
1115.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1115.5
Current highest rating achieved
1104.0
Current floor (min rating allowed)
604.0
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
1024.6
Projected new Weighted performance
222.9
Projected new final Raw rating (if new WP > new Raw)
1104.0
Projected new highest rating
1104.0
Projected new floor
604.0
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)
-11.5
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
1
2023 Tshwane North School District CLOSED League Championships (D3) (U11)
2023/08/12
2023/08/12
Tshwane (GTP)
Standard
60
0.83
5
5
0.0
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
5
0
0
5
0.0
0.0
-425.0
1222.0
797.0
White
3
0
0
3
0.0
0.0
-425.0
1236.5
811.5
Black
2
0
0
2
0.0
0.0
-425.0
1200.3
775.3
Standard
All
5
0
0
5
0.0
0.0
-425.0
1222.0
797.0
White
3
0
0
3
0.0
0.0
-425.0
1236.5
811.5
Black
2
0
0
2
0.0
0.0
-425.0
1200.3
775.3
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
1120143058
Smith, E (Eduan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
2
1140156034
Phatlane, A (Amogelang)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
3
1130159735
Muller, T (Tyron)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
4
1120154747
Mclachlan, G (Geoffrey)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1120109887
Jonker, T (Tertius)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
