Chess South Africa
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Chess South Africa
Van Der Westhuizen, WJ (Willem)
Dob:
1983/11/17 (Adult)
Gender:
Male
Chess SA id:
183039678
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2023/10/08 (344 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
2037.5
Current Weighted rating
2033.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
2037.5
Current highest rating achieved
2037.5
Current floor (min rating allowed)
1537.5
Current K-factor
20
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)
±50.3
Current Raw change used (final)
0.0
Projected new Raw rating
2037.5
Projected new Weighed rating
1871.1
Projected new Weighted performance
596.0
Projected new final Raw rating (if new WP > new Raw)
2037.5
Projected new highest rating
2037.5
Projected new floor
1537.5
Projected new K-facor
20
Projected new official/published rating (highest between new Raw, new WR and new WP)
2037.5
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
2050.0
Current Weighted rating
2041.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
2050.0
Current highest rating achieved
2050.0
Current floor (min rating allowed)
1550.0
Current K-factor
20
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)
±49.4
Current Raw change used (final)
0.0
Projected new Raw rating
2050.0
Projected new Weighed rating
1878.4
Projected new Weighted performance
596.0
Projected new final Raw rating (if new WP > new Raw)
2050.0
Projected new highest rating
2050.0
Projected new floor
1550.0
Projected new K-facor
20
Projected new official/published rating (highest between new Raw, new WR and new WP)
2050.0
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
2027.9
Current Weighted rating
2027.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
2027.9
Current highest rating achieved
2027.9
Current floor (min rating allowed)
1527.9
Current K-factor
20
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)
±51.0
Current Raw change used (final)
0.0
Projected new Raw rating
2027.9
Projected new Weighed rating
1865.7
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
2027.9
Projected new floor
1527.9
Projected new K-facor
20
Projected new official/published rating (highest between new Raw, new WR and new WP)
2027.9
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
2027.9
Current Weighted rating
2027.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
2027.9
Current highest rating achieved
2027.9
Current floor (min rating allowed)
1527.9
Current K-factor
20
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)
±51.0
Current Raw change used (final)
0.0
Projected new Raw rating
2027.9
Projected new Weighed rating
1865.7
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
2027.9
Projected new floor
1527.9
Projected new K-facor
20
Projected new official/published rating (highest between new Raw, new WR and new WP)
2027.9
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
Lardies Open Tournament 2023 (Prestige)
2023/10/08
2023/10/08
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
2027.9
2027.9
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
3
1
1
3.5
70.0
170.0
1856.9
2026.9
White
3
2
0
1
2.0
66.7
141.7
1762.5
1904.2
Black
2
1
1
0
1.5
75.0
212.5
1998.5
2211.0
Standard
All
5
3
1
1
3.5
70.0
170.0
1856.9
2026.9
White
3
2
0
1
2.0
66.7
141.7
1762.5
1904.2
Black
2
1
1
0
1.5
75.0
212.5
1998.5
2211.0
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
106035283
Smit, YH (Yoshua)
1
1.0
1
0
0
100.0
2027.9
425.0
2452.9
View list
2
100080203
Nkuna, MJ (Moeletsi)
1
1.0
1
0
0
100.0
2027.9
425.0
2452.9
View list
3
178027309
Nelson, WJH (William)
1
1.0
1
0
0
100.0
2027.9
425.0
2452.9
View list
4
194026329
Mwale, J (Joseph)
1
0.5
0
1
0
50.0
2027.9
0.0
2027.9
View list
5
194025886
Mthunzi, C (Clive)
1
0.0
0
0
1
0.0
2027.9
-425.0
1602.9
View list
