Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Wiehahn, EA (Erich)
Dob:
1997/09/21 (Adult)
Gender:
Male
Chess SA id:
197042779
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2023/04/22 (435 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
1508.7
Current Weighted rating
1503.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1508.7
Current highest rating achieved
1516.0
Current floor (min rating allowed)
1016.0
Current K-factor
32
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)
±106.8
Current Raw change used (final)
0.0
Projected new Raw rating
1508.7
Projected new Weighed rating
1383.1
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1516.0
Projected new floor
1016.0
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1508.7
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
1519.7
Current Weighted rating
1508.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1519.7
Current highest rating achieved
1519.7
Current floor (min rating allowed)
1019.7
Current K-factor
32
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)
±105.2
Current Raw change used (final)
0.0
Projected new Raw rating
1519.7
Projected new Weighed rating
1388.3
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1519.7
Projected new floor
1019.7
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1519.7
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
1480.7
Current Weighted rating
1480.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1480.7
Current highest rating achieved
1516.0
Current floor (min rating allowed)
1016.0
Current K-factor
32
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)
±111.2
Current Raw change used (final)
0.0
Projected new Raw rating
1480.7
Projected new Weighed rating
1362.2
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1516.0
Projected new floor
1016.0
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1480.7
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
1480.7
Current Weighted rating
1480.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1480.7
Current highest rating achieved
1516.0
Current floor (min rating allowed)
1016.0
Current K-factor
32
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)
±111.2
Current Raw change used (final)
0.0
Projected new Raw rating
1480.7
Projected new Weighed rating
1362.2
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1516.0
Projected new floor
1016.0
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1480.7
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
Hermanus Rapid 2023 (A)
2023/04/22
2023/04/22
Overberg (WOS)
Rapid
25
0.54
6
0
0.0
1499.0
1480.7
Analysis
1
2018 Western Province League (C)
2018/08/04
2018/09/15
Cape Town (WCT)
Standard
90
0.94
11
2
2.0
1480.7
1480.7
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
2
2
0
0
2.0
100.0
425.0
1315.1
1740.1
White
1
1
0
0
1.0
100.0
425.0
1304.4
1729.4
Black
1
1
0
0
1.0
100.0
425.0
1325.7
1750.7
Standard
All
2
2
0
0
2.0
100.0
425.0
1315.1
1740.1
White
1
1
0
0
1.0
100.0
425.0
1304.4
1729.4
Black
1
1
0
0
1.0
100.0
425.0
1325.7
1750.7
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
106053361
Moollajee, R (Rehaan)
1
1.0
1
0
0
100.0
1480.7
425.0
1905.7
View list
2
202049668
Montgomery, E (Elizabeth)
1
1.0
1
0
0
100.0
1480.7
425.0
1905.7
View list
