Chess South Africa
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Chess South Africa
Koti, Z (Zinathi)
Dob:
2008/04/05 (U18)
Gender:
Female
Chess SA id:
2080130602
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/02/03 (223 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
1100.3
Current Weighted rating
1103.1
Current Weighted performance
942.2
Current official/published rating (highest between Raw, WR and WP)
1103.1
Current highest rating achieved
1185.7
Current floor (min rating allowed)
685.7
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)
±191.1
Current Raw change used (final)
0.0
Projected new Raw rating
1100.3
Projected new Weighed rating
1015.4
Projected new Weighted performance
942.2
Projected new final Raw rating (if new WP > new Raw)
1100.3
Projected new highest rating
1185.7
Projected new floor
685.7
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1100.3
Projected effective change (new Official - current Official)
-2.8
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
1094.4
Current Weighted rating
1101.9
Current Weighted performance
942.2
Current official/published rating (highest between Raw, WR and WP)
1101.9
Current highest rating achieved
1182.0
Current floor (min rating allowed)
682.0
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)
±192.7
Current Raw change used (final)
0.0
Projected new Raw rating
1094.4
Projected new Weighed rating
1014.1
Projected new Weighted performance
942.2
Projected new final Raw rating (if new WP > new Raw)
1094.4
Projected new highest rating
1182.0
Projected new floor
682.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1094.4
Projected effective change (new Official - current Official)
-7.5
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
1095.2
Current Weighted rating
1095.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1095.2
Current highest rating achieved
1095.2
Current floor (min rating allowed)
595.2
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)
±192.5
Current Raw change used (final)
0.0
Projected new Raw rating
1095.2
Projected new Weighed rating
1007.6
Projected new Weighted performance
391.0
Projected new final Raw rating (if new WP > new Raw)
1095.2
Projected new highest rating
1095.2
Projected new floor
595.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1095.2
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
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
District South Schools Chess Individual Trials 2024 (U18 Girls)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
4
1.0
1113.2
1116.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
12
District South Schools Chess Individual Trials 2024 (U18 Girls)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
4
1.0
1113.2
1116.8
Analysis
11
Western Cape HS Individuals 2023 (U15 Girls)
2023/04/01
2023/04/02
Cape Town (WCT)
Standard
60
0.83
6
6
3.5
1058.8
1052.4
Analysis
10
Cape Town Open 2023 (Intermediate)
2023/03/25
2023/03/26
Cape Town (WCT)
Standard
70
0.87
6
6
2.0
1052.4
1053.6
Analysis
9
Cape Town Metro Schools Chess Closed Individuals 2023 (U15 Girls)
2023/02/03
2023/03/04
Cape Town (WCT)
Standard
60
0.83
6
6
2.0
1052.4
1053.6
Analysis
8
District South Schools Chess Individual Trials 2023 (U15+U17 Girls)
2023/02/03
2023/02/04
Cape Town (WCT)
Standard
60
0.83
6
5
1.5
1062.0
1069.6
Analysis
7
Western Cape Closed Championship 2022 (Open)
2022/09/24
2022/09/25
Cape Winelands (WCW)
Standard
70
0.87
6
5
1.0
1068.9
1095.6
Analysis
6
Western Cape Top Schools 2022 (U15 Girls)
2022/09/16
2022/09/17
Overberg (WOS)
Standard
60
0.83
5
4
3.0
1068.9
1095.6
Analysis
5
2022 Western Province Club League (D)
2022/08/27
2022/10/01
Cape Town (WCT)
Standard
70
0.87
7
2
0.0
1092.6
1109.6
Analysis
4
Crossroads Library 2022 (Development)
2022/07/02
2022/07/02
Cape Town (WCT)
Rapid
15
0.39
7
7
3.0
1069.2
1080.0
Analysis
3
Summer Slam 2021 (Open)
2021/12/13
2021/12/13
Cape Town (WCT)
Rapid
20
0.47
7
6
0.0
1115.3
1200.0
Analysis
2
2020 Metro Trials (U13 Girls)
2020/03/13
2020/03/14
Cape Town (WCT)
Standard
60
0.83
5
4
0.0
1185.7
1182.0
Analysis
1
WP Schools South Chess 2020 (U13)
2020/01/31
2020/02/01
Cape Town (WCT)
Standard
60
0.83
6
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
4
1
0
3
1.0
25.0
-212.5
1245.1
1032.6
White
2
0
0
2
0.0
0.0
-425.0
1322.3
897.3
Black
2
1
0
1
1.0
50.0
0.0
1167.9
1167.9
Standard
All
4
1
0
3
1.0
25.0
-212.5
1245.1
1032.6
White
2
0
0
2
0.0
0.0
-425.0
1322.3
897.3
Black
2
1
0
1
1.0
50.0
0.0
1167.9
1167.9
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
60
17
4
39
19.0
31.7
-155.8
1188.9
1033.0
White
28
11
2
15
12.0
42.9
-60.7
1183.5
1122.8
Black
32
6
2
24
7.0
21.9
-239.1
1193.6
954.5
Standard
All
47
15
2
30
16.0
34.0
-135.6
1198.2
1062.5
White
22
10
1
11
10.5
47.7
-19.3
1196.4
1177.1
Black
25
5
1
19
5.5
22.0
-238.0
1199.7
961.7
Rapid
All
13
2
2
9
3.0
23.1
-228.8
1155.3
926.5
White
6
1
1
4
1.5
25.0
-212.5
1136.3
923.8
Black
7
1
1
5
1.5
21.4
-242.9
1171.6
928.7
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
2080109012
Gebu, S (Sisipho)
3
0.0
0
0
3
0.0
1120.3
-425.0
695.3
View list
2
2090141163
Roto, A (Ahluma)
2
1.0
0
2
0
50.0
1065.6
0.0
1065.6
View list
3
207090606
Gcuze, K (Khanya)
2
0.0
0
0
2
0.0
1087.6
-425.0
662.6
View list
4
1070130585
Botya, L (Linathi)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1630111422
Botha, CF (Cornelius Frede)
1
1.0
1
0
0
100.0
1068.9
425.0
1493.9
View list
6
2080114986
Dreyer, M (Morgan)
1
1.0
1
0
0
100.0
1058.8
425.0
1483.8
View list
7
2090152853
Daweti, L (Luhle)
1
1.0
1
0
0
100.0
1052.4
425.0
1477.4
View list
8
2090151096
Davids, M (Mikah Rae)
1
1.0
1
0
0
100.0
1058.8
425.0
1483.8
View list
9
2080146743
Ford, M (Misha)
1
1.0
1
0
0
100.0
1068.9
425.0
1493.9
View list
10
208077367
Gideon, J (Joy)
1
1.0
1
0
0
100.0
1113.2
425.0
1538.2
View list
11
2130137739
Fani, K (Khazimla)
1
1.0
1
0
0
100.0
1069.2
425.0
1494.2
View list
12
2070146188
Fabricius, A (Anja)
1
1.0
1
0
0
100.0
1068.9
425.0
1493.9
View list
13
207092949
Jones, A (Amber)
1
1.0
1
0
0
100.0
1068.9
425.0
1493.9
View list
14
2080154672
Mcosana, O (Oyama)
1
1.0
1
0
0
100.0
1058.8
425.0
1483.8
View list
15
1080146884
Mgutyana, B (Bamanye)
1
1.0
1
0
0
100.0
1062.0
425.0
1487.0
View list
16
1040100493
Mphana, S (Siphosakhe)
1
1.0
1
0
0
100.0
1069.2
425.0
1494.2
View list
17
2090152122
Sikotshi, M (Melitha)
1
1.0
1
0
0
100.0
1052.4
425.0
1477.4
View list
18
1080109011
Solomons, K (Keanu)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
19
2080138902
Wiehahn, S (Scarlett)
1
1.0
1
0
0
100.0
1052.4
425.0
1477.4
View list
20
198077728
Witbooi, E (Elzarin)
1
1.0
1
0
0
100.0
1052.4
425.0
1477.4
View list