Chess South Africa
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Chess South Africa
Boyisi, A (Aaron)
Dob:
1982/05/24 (Adult)
Gender:
Male
Chess SA id:
182003312
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2020/02/22 (1533 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
Curent Raw rating
1659.3
Curent Weighted rating
1659.3
Curent Weighted performance
668.0
Current official/published rating (highest between Raw, WR and WP)
1659.3
Current floor (min rating allowed)
1306.0
Current highest rating achieved
1806.0
Current K-factor
24
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)
±86.2
Current Raw change used (final)
0.0
Projected new Raw rating
1659.3
Projected new Weighed rating
1659.3
Projected new Weighted performance
668.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1659.3
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1806.0
Projected new floor
1306.0
Projected new K-facor
24
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
Curent Raw rating
1669.5
Curent Weighted rating
1669.5
Curent Weighted performance
672.7
Current official/published rating (highest between Raw, WR and WP)
1669.5
Current floor (min rating allowed)
1306.0
Current highest rating achieved
1806.0
Current K-factor
24
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)
±84.9
Current Raw change used (final)
0.0
Projected new Raw rating
1669.5
Projected new Weighed rating
1669.5
Projected new Weighted performance
672.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1669.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1806.0
Projected new floor
1306.0
Projected new K-facor
24
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
Curent Raw rating
1718.5
Curent Weighted rating
1718.5
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1718.5
Current floor (min rating allowed)
1306.0
Current highest rating achieved
1806.0
Current K-factor
24
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)
±79.2
Current Raw change used (final)
0.0
Projected new Raw rating
1718.5
Projected new Weighed rating
1718.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1718.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1806.0
Projected new floor
1306.0
Projected new K-facor
24
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
Curent Raw rating
1721.9
Curent Weighted rating
1720.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1721.9
Current floor (min rating allowed)
1306.0
Current highest rating achieved
1806.0
Current K-factor
24
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)
±78.8
Current Raw change used (final)
0.0
Projected new Raw rating
1721.9
Projected new Weighed rating
1720.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1721.9
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1806.0
Projected new floor
1306.0
Projected new K-facor
24
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
11
2020 Tuks Open (A)
2020/02/22
2020/02/22
Tshwane (GTP)
Standard
60
0.83
5
4
2.0
1678.4
1693.3
Analysis
10
2019 National Club Chess Championships (A)
2019/09/27
2019/09/29
Cape Town (WCT)
Standard
120
1.00
6
6
2.5
1693.3
1713.7
Analysis
9
2019 Western Province League (C)
2019/07/27
2019/09/07
Cape Town (WCT)
Standard
120
1.00
11
11
8.0
1693.3
1713.7
Analysis
8
Crossroads Open Chess Championship 2019 (Presige)
2019/04/27
2019/04/28
Cape Town (WCT)
Standard
70
0.87
6
2
1.0
1710.4
1735.8
Analysis
7
Cape of Good Hope Open 2019 (Prestige)
2019/01/25
2019/01/28
Cape Town (WCT)
Standard
70
0.87
6
5
4.0
1729.3
1728.1
Analysis
6
Drakenstein Dragons Rapid 2019 (Open)
2019/01/19
2019/01/19
Cape Winelands (WCW)
Rapid
30
0.60
6
5
1.5
1729.3
1765.5
Analysis
5
Paul Roos Open Championship 2018 (A)
2018/09/21
2018/09/23
Cape Winelands (WCW)
Standard
90
0.94
6
5
2.5
1732.2
1732.4
Analysis
4
2018 Western Province League (D)
2018/08/04
2018/09/15
Cape Town (WCT)
Standard
90
0.94
11
9
9.0
1732.2
1732.4
Analysis
3
Crossroads Open Chess Championship 2018 (Elite)
2018/04/27
2018/04/29
Cape Town (WCT)
Standard
120
1.00
6
6
3.5
1720.0
1720.9
Analysis
2
WP Team Blitz 2018 (A)
2018/02/17
2018/02/17
Cape Town (WCT)
Blitz
5
0.18
7
7
0.0
1726.7
1765.5
Analysis
1
2018 Cape of Good Hope Open Chess Championships (Prestige)
2018/01/26
2018/01/28
Cape Town (WCT)
Standard
70
0.87
6
3
1.0
1765.5
1765.5
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
63
30
10
23
35.0
55.6
47.2
1549.5
1596.8
White
34
17
5
12
19.5
57.4
62.5
1561.9
1624.4
Black
29
13
5
11
15.5
53.4
29.3
1535.0
1564.3
Standard
All
51
29
9
13
33.5
65.7
133.3
1501.1
1634.4
White
27
16
4
7
18.0
66.7
141.7
1519.3
1661.0
Black
24
13
5
6
15.5
64.6
124.0
1480.5
1604.5
Rapid
All
5
1
1
3
1.5
30.0
-170.0
1454.4
1284.4
White
3
1
1
1
1.5
50.0
0.0
1350.0
1350.0
Black
2
0
0
2
0.0
0.0
-425.0
1611.0
1186.0
Blitz
All
7
0
0
7
0.0
0.0
-425.0
1970.6
1545.6
White
4
0
0
4
0.0
0.0
-425.0
2008.5
1583.5
Black
3
0
0
3
0.0
0.0
-425.0
1920.2
1495.2
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
183000558
Amini, D (Daud)
4
0.5
0
1
3
12.5
1717.3
-318.8
1398.6
View list
2
174085062
Ferreira, C (Craig)
2
0.5
0
1
1
25.0
1719.8
-212.5
1507.3
View list
3
196009939
Frans, G (Gaylon)
1
1.0
1
0
0
100.0
1693.3
425.0
2118.3
View list
4
103085390
Kedama, S (Sandiso)
1
1.0
1
0
0
100.0
1729.3
425.0
2154.3
View list
5
184013480
Jacobs, WT (Wesley)
1
1.0
1
0
0
100.0
1720.0
425.0
2145.0
View list
6
172090579
Jacobs, DE (Darryl)
1
1.0
1
0
0
100.0
1729.3
425.0
2154.3
View list
7
182088904
Hlakula, T (Thando)
1
1.0
1
0
0
100.0
1729.3
425.0
2154.3
View list
8
102069656
Adams, R (Rantino)
1
1.0
1
0
0
100.0
1732.2
425.0
2157.2
View list
9
299079540
Babb, I (India)
1
1.0
1
0
0
100.0
1732.2
425.0
2157.2
View list
10
182000642
Andrews, RL (Remo)
1
1.0
1
0
0
100.0
1732.2
425.0
2157.2
View list
11
167002306
Blaauw, GM (Gavin)
1
1.0
1
0
0
100.0
1720.0
425.0
2145.0
View list
12
104046622
Coetzee, P (Philip)
1
1.0
1
0
0
100.0
1729.3
425.0
2154.3
View list
13
178015535
Khuphwathea, PC (Paul)
1
1.0
1
0
0
100.0
1693.3
425.0
2118.3
View list
14
183068085
Magagula, R (Raymond)
1
1.0
1
0
0
100.0
1693.3
425.0
2118.3
View list
15
174022021
Maytham, P (Phillip)
1
1.0
1
0
0
100.0
1693.3
425.0
2118.3
View list
16
100022633
Mello, N (Nkwadi)
1
1.0
1
0
0
100.0
1732.2
425.0
2157.2
View list
17
105090611
Mnyasta, T (Tezihano)
1
1.0
1
0
0
100.0
1732.2
425.0
2157.2
View list
18
193094554
Ndimande, N (Nqobani)
1
1.0
1
0
0
100.0
1732.2
425.0
2157.2
View list
19
100080203
Nkuna, MJ (Moeletsi)
1
1.0
1
0
0
100.0
1678.4
425.0
2103.4
View list
20
164028262
November, EJ (Edwin)
1
1.0
1
0
0
100.0
1729.3
425.0
2154.3
View list