Chess South Africa
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Chess South Africa
Ledwaba, K (Kheino)
Dob:
2005/02/24 (U20)
Gender:
Male
Chess SA id:
1050109762
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2023/02/04 (469 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
1137.1
Curent Weighted rating
1137.4
Curent Weighted performance
740.6
Current official/published rating (highest between Raw, WR and WP)
1137.4
Current floor (min rating allowed)
682.4
Current highest rating achieved
1182.4
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)
±181.4
Current Raw change used (final)
0.0
Projected new Raw rating
1137.1
Projected new Weighed rating
1137.4
Projected new Weighted performance
740.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1137.4
Projected effective change (new Official - current Official)
-0.1
Projected new highest rating
1182.4
Projected new floor
682.4
Projected new K-facor
40
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
1154.0
Curent Weighted rating
1155.0
Curent Weighted performance
756.7
Current official/published rating (highest between Raw, WR and WP)
1155.0
Current floor (min rating allowed)
678.8
Current highest rating achieved
1178.8
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)
±177.0
Current Raw change used (final)
0.0
Projected new Raw rating
1154.0
Projected new Weighed rating
1154.8
Projected new Weighted performance
756.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1154.8
Projected effective change (new Official - current Official)
-0.2
Projected new highest rating
1178.8
Projected new floor
678.8
Projected new K-facor
40
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
1101.6
Curent Weighted rating
1101.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1101.6
Current floor (min rating allowed)
601.6
Current highest rating achieved
1101.6
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)
±190.8
Current Raw change used (final)
0.0
Projected new Raw rating
1101.6
Projected new Weighed rating
1101.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1101.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1101.6
Projected new floor
601.6
Projected new K-facor
40
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
601.6
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
601.6
Projected new K-facor
36
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
7
Grey College Team Championship 2023 (B)
2023/02/03
2023/02/04
Mangaung (FMB)
Standard
60
0.83
5
5
2.0
1139.8
1162.4
Analysis
6
Grey College Team Championship 2022 (B)
2022/02/18
2022/02/19
Mangaung (FMB)
Standard
60
0.83
5
5
3.0
1121.2
1142.0
Analysis
5
JNW Club - Junior A High School 2020
2020/03/07
2020/03/07
Johannesburg Metro (GJM)
Rapid
30
0.60
5
5
1.0
1151.2
1200.0
Analysis
4
JNW Club - Trinityhouse Randpark Ridge Open 2020 (D)
2020/02/22
2020/02/22
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1162.8
1154.4
Analysis
3
Grey College Team Championship 2020 (A)
2020/01/31
2020/02/01
Mangaung (FMB)
Standard
60
0.83
5
5
1.0
1162.8
1154.4
Analysis
2
2019 Gauteng School League Finals (U17 Open)
2019/08/24
2019/08/24
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1182.4
1178.8
Analysis
1
Grey College Team Championship 2019 (B)
2019/02/22
2019/02/23
Mangaung (FMB)
Standard
60
0.83
5
5
3.0
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
35
15
1
19
15.5
44.3
-48.6
1139.5
1090.9
White
16
7
1
8
7.5
46.9
-26.6
1130.6
1104.0
Black
19
8
0
11
8.0
42.1
-67.1
1146.9
1079.8
Standard
All
30
14
1
15
14.5
48.3
-14.2
1129.5
1115.3
White
13
6
1
6
6.5
50.0
0.0
1107.9
1107.9
Black
17
8
0
9
8.0
47.1
-25.0
1146.0
1121.0
Rapid
All
5
1
0
4
1.0
20.0
-255.0
1199.3
944.3
White
3
1
0
2
1.0
33.3
-141.7
1228.8
1087.2
Black
2
0
0
2
0.0
0.0
-425.0
1155.0
730.0
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
1060149067
Adams, R (Rameez)
1
1.0
1
0
0
100.0
1139.8
425.0
1564.8
View list
2
203048001
Kemp, L (Louise)
1
1.0
1
0
0
100.0
1182.4
425.0
1607.4
View list
3
1080132194
Hill, M (Mathew)
1
1.0
1
0
0
100.0
1162.8
425.0
1587.8
View list
4
1080136993
Hattingh, A (Aiden)
1
1.0
1
0
0
100.0
1121.2
425.0
1546.2
View list
5
107086010
Gunnewegh, B (Byron)
1
1.0
1
0
0
100.0
1162.8
425.0
1587.8
View list
6
1080132196
Magaqa, L (Lithalethu)
1
1.0
1
0
0
100.0
1162.8
425.0
1587.8
View list
7
102053540
Cheney, J (Justin)
1
1.0
1
0
0
100.0
1162.8
425.0
1587.8
View list
8
1050105746
Coetzee, S (Sebastian)
1
1.0
1
0
0
100.0
1121.2
425.0
1546.2
View list
9
1060133088
Coetzee, D (Dian)
1
1.0
1
0
0
100.0
1151.2
425.0
1576.2
View list
10
1050109552
Geldenhuys, M (Michael)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
1050109740
Matebese, B (Bathulile)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
12
1030096796
Mdaka, L (Likhanyile)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
13
1090137011
Ndlela, S (Sk)
1
1.0
1
0
0
100.0
1121.2
425.0
1546.2
View list
14
1020132498
Pitso, T (Tsebo)
1
1.0
1
0
0
100.0
1139.8
425.0
1564.8
View list
15
2030118379
Tutu, S (Sindiswa)
1
1.0
1
0
0
100.0
1182.4
425.0
1607.4
View list
16
1020112802
Gill, B (Brendon)
1
0.5
0
1
0
50.0
1182.4
0.0
1182.4
View list
17
103079109
Mangena, K (Koketso)
1
0.0
0
0
1
0.0
1182.4
-425.0
757.4
View list
18
206086189
Lebenya, A (Agnes)
1
0.0
0
0
1
0.0
1139.8
-425.0
714.8
View list
19
102067533
Koshy, D (Don)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
20
102010931
Govender, V (Viseshan)
1
0.0
0
0
1
0.0
1162.8
-425.0
737.8
View list