Chess South Africa
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Chess South Africa
Van Der Merwe, A (Antonie)
Dob:
2005/03/07 (U20)
Gender:
Male
Chess SA id:
1050155722
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2023/05/19 (556 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
1223.5
Current Weighted rating
1222.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1223.5
Current highest rating achieved
1223.5
Current floor (min rating allowed)
723.5
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
1223.5
Projected new Weighed rating
1124.8
Projected new Weighted performance
357.2
Projected new final Raw rating (if new WP > new Raw)
1223.5
Projected new highest rating
1223.5
Projected new floor
723.5
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1223.5
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
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
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
1234.6
Current Weighted rating
1232.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1234.6
Current highest rating achieved
1234.6
Current floor (min rating allowed)
734.6
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)
±157.8
Current Raw change used (final)
0.0
Projected new Raw rating
1234.6
Projected new Weighed rating
1134.7
Projected new Weighted performance
376.0
Projected new final Raw rating (if new WP > new Raw)
1234.6
Projected new highest rating
1234.6
Projected new floor
734.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1234.6
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
Gauteng Open Arnold Classic 2023 (LSEN)
2023/05/19
2023/05/19
Tshwane (GTP)
Rapid
30
0.60
5
5
3.5
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
3
1
1
3.5
70.0
170.0
1223.2
1393.2
White
3
2
0
1
2.0
66.7
141.7
1238.6
1380.3
Black
2
1
1
0
1.5
75.0
212.5
1200.0
1412.5
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
5
3
1
1
3.5
70.0
170.0
1223.2
1393.2
White
3
2
0
1
2.0
66.7
141.7
1238.6
1380.3
Black
2
1
1
0
1.5
75.0
212.5
1200.0
1412.5
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
1080155694
Makoena, T (Tshiamo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1090155690
Mabena, M (Mpumelelo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1060155686
Laight, M (Matthew)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1050155683
Kholoane, K (Kamogelo)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
5
1050106647
Zimunya, T (Tumisho)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
