Chess South Africa
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Chess South Africa
Sonaba, L (Libhongo)
Dob:
2008/01/19 (U18)
Gender:
Female
Chess SA id:
2080116646
FIDE id:
Region:
Overberg (WOS)
Citizen:
RSA
Title(s):
Last active:
2023/08/05 (286 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
1245.5
Curent Weighted rating
1246.2
Curent Weighted performance
1067.9
Current official/published rating (highest between Raw, WR and WP)
1246.2
Current floor (min rating allowed)
796.5
Current highest rating achieved
1296.5
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)
±155.4
Current Raw change used (final)
0.0
Projected new Raw rating
1245.5
Projected new Weighed rating
1246.5
Projected new Weighted performance
1067.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1246.5
Projected effective change (new Official - current Official)
+0.3
Projected new highest rating
1296.5
Projected new floor
796.5
Projected new K-facor
36
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
1198.1
Curent Weighted rating
1202.0
Curent Weighted performance
1022.4
Current official/published rating (highest between Raw, WR and WP)
1202.0
Current floor (min rating allowed)
747.8
Current highest rating achieved
1247.8
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)
±166.3
Current Raw change used (final)
0.0
Projected new Raw rating
1198.1
Projected new Weighed rating
1201.4
Projected new Weighted performance
1022.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1201.4
Projected effective change (new Official - current Official)
-0.6
Projected new highest rating
1247.8
Projected new floor
747.8
Projected new K-facor
36
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
1270.9
Curent Weighted rating
1270.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1270.9
Current floor (min rating allowed)
822.8
Current highest rating achieved
1322.8
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)
±149.9
Current Raw change used (final)
0.0
Projected new Raw rating
1270.9
Projected new Weighed rating
1271.3
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1271.3
Projected effective change (new Official - current Official)
+0.4
Projected new highest rating
1322.8
Projected new floor
822.8
Projected new K-facor
36
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)
822.8
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
822.8
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
12
Overberg Top Schools 2023 (U15+U18)
2023/08/05
2023/08/05
Overberg (WOS)
Standard
60
0.83
5
5
2.0
1255.4
1202.4
Analysis
11
Overberg Club Championships 2023 (A+B)
2023/07/29
2023/07/29
Overberg (WOS)
Rapid
30
0.60
5
5
2.0
1252.8
1282.8
Analysis
10
Zwelihle Chess Club Rapid 2023 (A+B)
2023/06/17
2023/06/17
Overberg (WOS)
Rapid
20
0.47
6
6
3.0
1253.8
1322.8
Analysis
9
Western Cape HS Individuals 2023 (U15 Boys)
2023/04/01
2023/04/02
Cape Town (WCT)
Standard
60
0.83
6
6
1.0
1296.5
1247.8
Analysis
8
Overberg High School Closed 2023 (U15 Boys)
2023/03/25
2023/03/25
Overberg (WOS)
Standard
60
0.83
5
5
3.0
1270.5
1207.5
Analysis
7
Overberg High Schools Trails 2023 (U15)
2023/02/24
2023/02/24
Overberg (WOS)
Rapid
15
0.39
5
5
3.0
1218.4
1200.0
Analysis
6
Overberg Schools Open Tournament 2023 (U16)
2023/02/11
2023/02/11
Overberg (WOS)
Rapid
20
0.47
5
5
5.0
1218.4
1200.0
Analysis
5
Western Cape Top Schools 2022 (U15 Mix)
2022/09/16
2022/09/17
Overberg (WOS)
Standard
60
0.83
5
5
2.0
1220.8
1212.2
Analysis
4
Kleinmond Open 2021 (U14)
2021/04/17
2021/04/17
Overberg (WOS)
Standard
60
0.83
5
5
3.0
1187.6
1173.3
Analysis
3
2019 Western Cape Club Championship (C)
2019/10/25
2019/10/27
Overberg (WOS)
Standard
65
0.85
5
2
1.0
1193.1
1180.1
Analysis
2
Western Cape Top Schools 2019 (U11 Mix)
2019/08/31
2019/09/01
Cape Winelands (WCW)
Standard
60
0.83
5
4
1.0
1226.6
1231.2
Analysis
1
Overberg Top Schools 2019 (U11)
2019/07/20
2019/07/20
Overberg (WOS)
Standard
60
0.83
5
4
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
61
31
2
28
32.0
52.5
20.9
1264.3
1285.2
White
30
19
0
11
19.0
63.3
113.3
1232.8
1346.1
Black
31
12
2
17
13.0
41.9
-68.5
1294.7
1226.2
Standard
All
40
18
2
20
19.0
47.5
-21.3
1264.4
1243.1
White
20
12
0
8
12.0
60.0
85.0
1234.1
1319.1
Black
20
6
2
12
7.0
35.0
-127.5
1294.7
1167.2
Rapid
All
21
13
0
8
13.0
61.9
101.2
1264.0
1365.2
White
10
7
0
3
7.0
70.0
170.0
1230.2
1400.2
Black
11
6
0
5
6.0
54.5
38.6
1294.8
1333.4
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
208084103
Sibeko, M (Mbalntle)
4
2.0
2
0
2
50.0
1210.3
0.0
1210.3
View list
2
108089033
Potgieter, PL (Pieter)
3
2.0
2
0
1
66.7
1225.5
141.7
1367.2
View list
3
2090116649
Bekker, A (Angelica)
2
2.0
2
0
0
100.0
1200.0
425.0
1625.0
View list
4
210088553
Marthinus, S (Shanne)
2
2.0
2
0
0
100.0
1200.0
425.0
1625.0
View list
5
2100116652
Northman, H (Haylie)
2
2.0
2
0
0
100.0
1200.0
425.0
1625.0
View list
6
1690134066
Oosthuizen, J (Jacques)
2
2.0
2
0
0
100.0
1253.3
425.0
1678.3
View list
7
1080146322
Wilds, E (Emile)
2
2.0
2
0
0
100.0
1244.5
425.0
1669.5
View list
8
1090109860
Solomon, I (Izaiah)
2
0.0
0
0
2
0.0
1242.0
-425.0
817.0
View list
9
1090145247
Carelse, A (Anthony)
1
1.0
1
0
0
100.0
1218.4
425.0
1643.4
View list
10
1090138454
Groenewald, M (Miguel)
1
1.0
1
0
0
100.0
1255.4
425.0
1680.4
View list
11
1090150650
De Kock, S (Sebastian)
1
1.0
1
0
0
100.0
1270.5
425.0
1695.5
View list
12
207084106
Hlanzela, M (Milani)
1
1.0
1
0
0
100.0
1253.8
425.0
1678.8
View list
13
2070108560
Lamberts, D (Denika)
1
1.0
1
0
0
100.0
1220.8
425.0
1645.8
View list
14
2140146616
Kotze, L (Lehandri)
1
1.0
1
0
0
100.0
1252.8
425.0
1677.8
View list
15
209093572
Koko, A (Anisa)
1
1.0
1
0
0
100.0
1187.6
425.0
1612.6
View list
16
1070150676
Loubser, E (Erick)
1
1.0
1
0
0
100.0
1218.4
425.0
1643.4
View list
17
1090152213
Magerman, R (Reginald Francisco)
1
1.0
1
0
0
100.0
1218.4
425.0
1643.4
View list
18
1090105978
Mazari, M (Mahdi)
1
1.0
1
0
0
100.0
1226.6
425.0
1651.6
View list
19
1090152214
Mfenyana, U (Ukho)
1
1.0
1
0
0
100.0
1218.4
425.0
1643.4
View list
20
107078606
Nero, S (Shivano)
1
1.0
1
0
0
100.0
1220.8
425.0
1645.8
View list