Chess South Africa
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Chess South Africa
Zanna, J (Jahkuska)
Dob:
2007/02/24 (U18)
Gender:
Female
Chess SA id:
207086837
FIDE id:
Region:
Capricorn (LCP)
Citizen:
RSA
Title(s):
Last active:
2022/12/08 (526 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
1172.9
Curent Weighted rating
1174.1
Curent Weighted performance
725.8
Current official/published rating (highest between Raw, WR and WP)
1174.1
Current floor (min rating allowed)
744.2
Current highest rating achieved
1244.2
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)
±172.3
Current Raw change used (final)
0.0
Projected new Raw rating
1172.9
Projected new Weighed rating
1173.7
Projected new Weighted performance
725.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
1173.7
Projected effective change (new Official - current Official)
-0.3
Projected new highest rating
1244.2
Projected new floor
744.2
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
1144.7
Curent Weighted rating
1145.5
Curent Weighted performance
718.5
Current official/published rating (highest between Raw, WR and WP)
1145.5
Current floor (min rating allowed)
683.5
Current highest rating achieved
1183.5
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)
±179.4
Current Raw change used (final)
0.0
Projected new Raw rating
1144.7
Projected new Weighed rating
1145.3
Projected new Weighted performance
718.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1145.3
Projected effective change (new Official - current Official)
-0.2
Projected new highest rating
1183.5
Projected new floor
683.5
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
1170.8
Curent Weighted rating
1170.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1170.8
Current floor (min rating allowed)
670.8
Current highest rating achieved
1170.8
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)
±172.9
Current Raw change used (final)
0.0
Projected new Raw rating
1170.8
Projected new Weighed rating
1170.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1170.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1170.8
Projected new floor
670.8
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
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)
670.8
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
670.8
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
15
2022 South African Junior Team Chess Championships (U16 Open)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
7
2.0
1189.8
1156.7
Analysis
14
LCP Qualifying October 2021 (O16)
2021/10/23
2021/10/23
Capricorn (LCP)
Standard
60
0.83
5
5
2.0
1211.3
1183.5
Analysis
13
LCP Qualifying February 2020 (O14)
2020/02/15
2020/02/15
Capricorn (LCP)
Standard
60
0.83
5
5
4.0
1178.4
1131.9
Analysis
12
2019 South African Junior Team Championships (U14A Girls)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
2.0
1220.9
1162.7
Analysis
11
Capricorn Qualifying July 2019 (O16)
2019/07/20
2019/07/20
Capricorn (LCP)
Standard
60
0.83
5
5
2.0
1244.2
1177.9
Analysis
10
Capricorn Qualifying May 2019 (O14)
2019/05/18
2019/05/18
Capricorn (LCP)
Standard
60
0.83
5
5
4.0
1084.1
1108.4
Analysis
9
2019 Super 12 Laerskole (Seniors)
2019/05/04
2019/05/04
Tshwane (GTP)
Rapid
30
0.60
5
5
5.0
1084.1
1097.6
Analysis
8
Capricorn Qualifying March 2019 (U16)
2019/03/09
2019/03/09
Capricorn (LCP)
Standard
60
0.83
5
5
3.5
1042.6
1059.6
Analysis
7
Capricorn Qualifying 2019 (O16)
2019/02/09
2019/02/09
Capricorn (LCP)
Standard
60
0.83
5
5
2.5
1042.6
1062.8
Analysis
6
South African Junior Team Championships 2018 (U12D)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
3.0
1094.6
1132.0
Analysis
5
Capricorn Qualifying 02 June 2018 (U12)
2018/06/02
2018/06/02
Capricorn (LCP)
Standard
60
0.83
5
5
4.0
1031.9
1068.0
Analysis
4
2018 Super 12 (Senior)
2018/05/05
2018/05/05
Tshwane (GTP)
Rapid
30
0.60
5
5
2.0
1074.6
1200.0
Analysis
3
Capricorn Qualifying 10 Maart 2018 (U12)
2018/03/10
2018/03/10
Capricorn (LCP)
Standard
60
0.83
5
5
4.0
1072.9
1063.2
Analysis
2
Capricorn Qualifying 10 Feb 2018 (U12)
2018/02/10
2018/02/10
Capricorn (LCP)
Standard
60
0.83
5
5
3.0
1120.4
1120.4
Analysis
1
South African Junior Team Championships 2017 (U12C)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
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
81
45
2
34
46.0
56.8
57.7
1033.2
1090.9
White
44
25
2
17
26.0
59.1
77.3
1037.0
1114.3
Black
37
20
0
17
20.0
54.1
34.5
1028.6
1063.1
Standard
All
71
38
2
31
39.0
54.9
41.9
1046.7
1088.6
White
39
21
2
16
22.0
56.4
54.5
1033.9
1088.4
Black
32
17
0
15
17.0
53.1
26.6
1062.3
1088.9
Rapid
All
10
7
0
3
7.0
70.0
170.0
937.1
1107.1
White
5
4
0
1
4.0
80.0
255.0
1061.1
1316.1
Black
5
3
0
2
3.0
60.0
85.0
813.2
898.2
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
105064140
Leso, L (Lethabo)
2
0.5
0
1
1
25.0
1143.4
-212.5
930.9
View list
2
2070114700
Bezuidenhout, E (Enrika)
1
1.0
1
0
0
100.0
1084.1
425.0
1509.1
View list
3
208088068
Brits, R (Ronel)
1
1.0
1
0
0
100.0
1031.9
425.0
1456.9
View list
4
1070110028
Chidi, M (Masechaba)
1
1.0
1
0
0
100.0
1084.1
425.0
1509.1
View list
5
108084101
De Wet, R (Rossouw)
1
1.0
1
0
0
100.0
1094.6
425.0
1519.6
View list
6
1080116099
Leshabane, P (Phenyo)
1
1.0
1
0
0
100.0
1178.4
425.0
1603.4
View list
7
206090902
Lambert, M (Megan)
1
1.0
1
0
0
100.0
1084.1
425.0
1509.1
View list
8
206095188
Labase, B (Busisiwe)
1
1.0
1
0
0
100.0
1220.9
425.0
1645.9
View list
9
108089798
Joubert, M (Morne)
1
1.0
1
0
0
100.0
1031.9
425.0
1456.9
View list
10
107076073
Jonker, HD (Hendrik)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
108088646
Hawkins, J (Joshua)
1
1.0
1
0
0
100.0
1094.6
425.0
1519.6
View list
12
107086838
Ambe, J (Jose)
1
1.0
1
0
0
100.0
1120.4
425.0
1545.4
View list
13
2060098465
Fana, A (Awethu)
1
1.0
1
0
0
100.0
1220.9
425.0
1645.9
View list
14
1080101046
Lotter, B (Berno)
1
1.0
1
0
0
100.0
1084.1
425.0
1509.1
View list
15
206065699
Lubisi, M (Mamello)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
16
1060098377
Malefo, M (Moloko)
1
1.0
1
0
0
100.0
1084.1
425.0
1509.1
View list
17
1050096865
Maleka, K (Kgaugelo)
1
1.0
1
0
0
100.0
1042.6
425.0
1467.6
View list
18
2050109443
Mamathuntsha, LM (Loretta)
1
1.0
1
0
0
100.0
1042.6
425.0
1467.6
View list
19
107086823
Mampuru, TL (Thabiso)
1
1.0
1
0
0
100.0
1120.4
425.0
1545.4
View list
20
1060098376
Mashao, M (Mosa)
1
1.0
1
0
0
100.0
1084.1
425.0
1509.1
View list