Chess South Africa
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Chess South Africa
Boshoff, E (Ernst)
Dob:
1977/04/17 (Adult)
Gender:
Male
Chess SA id:
1770144450
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2023/03/14 (471 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
1318.4
Current Weighted rating
976.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1318.4
Current highest rating achieved
1318.4
Current floor (min rating allowed)
818.4
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)
±140.1
Current Raw change used (final)
0.0
Projected new Raw rating
1318.4
Projected new Weighed rating
908.3
Projected new Weighted performance
952.6
Projected new final Raw rating (if new WP > new Raw)
1318.4
Projected new highest rating
1318.4
Projected new floor
818.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1318.4
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
1309.9
Current Weighted rating
941.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1309.9
Current highest rating achieved
1309.9
Current floor (min rating allowed)
809.9
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)
±141.8
Current Raw change used (final)
0.0
Projected new Raw rating
1309.9
Projected new Weighed rating
877.3
Projected new Weighted performance
606.5
Projected new final Raw rating (if new WP > new Raw)
1309.9
Projected new highest rating
1309.9
Projected new floor
809.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1309.9
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
817.3
Current Weighted rating
681.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
817.3
Current highest rating achieved
817.3
Current floor (min rating allowed)
500.0
Current K-factor
40
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)
±286.0
Current Raw change used (final)
0.0
Projected new Raw rating
817.3
Projected new Weighed rating
630.4
Projected new Weighted performance
391.6
Projected new final Raw rating (if new WP > new Raw)
817.3
Projected new highest rating
817.3
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
817.3
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
659.2
Current Weighted rating
618.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
659.2
Current highest rating achieved
659.2
Current floor (min rating allowed)
500.0
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)
±358.3
Current Raw change used (final)
0.0
Projected new Raw rating
659.2
Projected new Weighed rating
569.9
Projected new Weighted performance
337.8
Projected new final Raw rating (if new WP > new Raw)
659.2
Projected new highest rating
659.2
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
659.2
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
5
Randburg New Year Swiss 2023
2023/01/31
2023/03/14
Johannesburg Metro (GJM)
Standard
90
0.94
7
2
1.0
694.0
638.0
Analysis
4
Randburg Summer Swiss 2022
2022/10/25
2022/12/06
Johannesburg Metro (GJM)
Standard
90
0.94
7
4
1.0
657.2
598.8
Analysis
3
Randburg Spring Rapid 2022
2022/09/20
2022/09/27
Johannesburg Metro (GJM)
Rapid
25
0.54
6
3
2.0
521.3
500.0
Analysis
2
JMC Blitz Open 8 August 2022 (A)
2022/08/08
2022/08/08
Johannesburg Metro (GJM)
Blitz
5
0.18
9
8
3.0
500.0
500.0
Analysis
1
Randburg Club Championships Swiss 2022
2022/07/19
2022/09/06
Johannesburg Metro (GJM)
Standard
90
0.94
7
7
2.5
521.3
500.0
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
24
9
1
14
9.5
39.6
-88.5
1454.5
1365.9
White
11
3
0
8
3.0
27.3
-193.2
1508.4
1315.2
Black
13
6
1
6
6.5
50.0
0.0
1408.8
1408.8
Standard
All
13
4
1
8
4.5
34.6
-130.8
1489.3
1358.5
White
6
1
0
5
1.0
16.7
-283.3
1542.0
1258.6
Black
7
3
1
3
3.5
50.0
0.0
1444.1
1444.1
Rapid
All
3
2
0
1
2.0
66.7
141.7
1362.2
1503.9
White
1
1
0
0
1.0
100.0
425.0
1200.0
1625.0
Black
2
1
0
1
1.0
50.0
0.0
1443.3
1443.3
Blitz
All
8
3
0
5
3.0
37.5
-106.3
1432.5
1326.3
White
4
1
0
3
1.0
25.0
-212.5
1535.3
1322.8
Black
4
2
0
2
2.0
50.0
0.0
1329.8
1329.8
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1670097020
Molema, W (Warner)
2
2.0
2
0
0
100.0
589.3
425.0
1014.3
View list
2
1820144451
Kathan, P (Prakash)
2
1.0
1
0
1
50.0
589.3
0.0
589.3
View list
3
155022650
Mendelsohn, DC (David)
2
0.0
0
0
2
0.0
589.3
-425.0
164.3
View list
4
163015814
Kleyn, AE (Andrew)
2
0.0
0
0
2
0.0
607.6
-425.0
182.6
View list
5
1060146866
Kandengwa, M (Moses)
1
1.0
1
0
0
100.0
521.3
425.0
946.3
View list
6
157033194
Savage, NR (Neil)
1
1.0
1
0
0
100.0
521.3
425.0
946.3
View list
7
1130116883
Tak, R (Rannveer)
1
1.0
1
0
0
100.0
694.0
425.0
1119.0
View list
8
170035526
Snyckers, FA (Frank)
1
0.5
0
1
0
50.0
521.3
0.0
521.3
View list
9
158022721
Metcalfe, AR (Allister)
1
0.0
0
0
1
0.0
521.3
-425.0
96.3
View list
10
181011771
Hangelbroek, P (Peter)
1
0.0
0
0
1
0.0
657.2
-425.0
232.2
View list
11
179057929
Essop, H (Haroon)
1
0.0
0
0
1
0.0
521.3
-425.0
96.3
View list
12
159008414
Durow, NL (Neil)
1
0.0
0
0
1
0.0
521.3
-425.0
96.3
View list