Chess South Africa
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Chess South Africa
Ziervogel, K (Keira)
Dob:
2008/10/04 (U18)
Gender:
Female
Chess SA id:
2080113546
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/01/14 (118 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
1341.8
Curent Weighted rating
1321.8
Curent Weighted performance
1268.6
Current official/published rating (highest between Raw, WR and WP)
1341.8
Current floor (min rating allowed)
860.1
Current highest rating achieved
1360.1
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)
±135.5
Current Raw change used (final)
0.0
Projected new Raw rating
1341.8
Projected new Weighed rating
1325.3
Projected new Weighted performance
1268.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1341.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1360.1
Projected new floor
860.1
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
1338.0
Curent Weighted rating
1312.1
Curent Weighted performance
1251.5
Current official/published rating (highest between Raw, WR and WP)
1338.0
Current floor (min rating allowed)
855.3
Current highest rating achieved
1355.3
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)
±136.2
Current Raw change used (final)
0.0
Projected new Raw rating
1338.0
Projected new Weighed rating
1316.5
Projected new Weighted performance
1251.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1338.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1355.3
Projected new floor
855.3
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
1277.7
Curent Weighted rating
1271.2
Curent Weighted performance
1077.6
Current official/published rating (highest between Raw, WR and WP)
1277.7
Current floor (min rating allowed)
777.7
Current highest rating achieved
1277.7
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)
±148.4
Current Raw change used (final)
0.0
Projected new Raw rating
1277.7
Projected new Weighed rating
1272.6
Projected new Weighted performance
1077.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1277.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1277.7
Projected new floor
777.7
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)
777.7
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
777.7
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U16 Girls)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
2.0
1350.6
1345.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
24
2024 Gauteng Inter-Region Chess Championship (U16 Girls)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
2.0
1350.6
1345.9
Analysis
23
Africawide Chess Championship 2023 (Open)
2023/11/03
2023/11/05
Johannesburg Metro (GJM)
Standard
90
0.94
7
1
0.0
1360.1
1355.3
Analysis
22
2023 Gauteng Top Schools (U15 Girls)
2023/08/19
2023/08/19
West Rand (GWR)
Standard
60
0.83
5
5
4.5
1285.9
1268.9
Analysis
21
Ekurhuleni Chess Trial 3 2023 (U16)
2023/06/17
2023/06/17
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1237.7
1233.5
Analysis
20
Chess Molecules 16 June Tournament 2023 (High School Girls)
2023/06/16
2023/06/16
Ekurhuleni (GE)
Rapid
30
0.60
5
5
3.5
1237.7
1256.1
Analysis
19
Gauteng Schools Individual Finals 2023 (U15 Girls)
2023/05/27
2023/05/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1212.9
1209.3
Analysis
18
National All Girls Festival 2023
2023/04/28
2023/04/30
Mangaung (FMB)
Standard
62
0.84
7
7
2.0
1260.6
1244.8
Analysis
17
Ekurhuleni Trials 2 2023 (U16)
2023/04/22
2023/04/22
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1260.6
1244.8
Analysis
16
2023 South African Junior Closed Chess Championships (U16 Girls)
2023/03/31
2023/04/04
Chess South Africa (CSA)
Standard
120
1.00
9
9
1.0
1260.6
1244.8
Analysis
15
Ekhuruleni Chess Trials 1 2023 (U16)
2023/03/25
2023/03/25
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1284.1
1264.6
Analysis
14
Ekurhuleni Springs Open 4 March 2023 (C)
2023/03/04
2023/03/04
Ekurhuleni (GE)
Standard
62
0.84
5
4
0.5
1284.1
1264.6
Analysis
13
Chess Power House Feb RR 2023 (Junior)
2023/02/18
2023/02/19
Johannesburg Metro (GJM)
Standard
62
0.84
5
5
2.0
1285.0
1263.5
Analysis
12
2022 South African Junior Wild Card Chess Championships (U16 Girls)
2022/12/09
2022/12/12
4 Knights (4K)
Standard
120
1.00
7
6
1.5
1340.4
1303.3
Analysis
11
2022 South African Junior Team Chess Championships (U14-U18 Girls)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
5
3.5
1340.4
1303.3
Analysis
10
OR Tambo Soncini Finals 2022 (Girls)
2022/10/29
2022/10/29
Ekurhuleni (GE)
Rapid
30
0.60
5
5
4.0
1358.4
1274.8
Analysis
9
Chess Power House Rapid 2022 (High School)
2022/10/22
2022/10/22
Johannesburg Metro (GJM)
Rapid
30
0.60
5
4
1.5
1358.4
1274.8
Analysis
8
ACB Tournament 2022 (C)
2022/10/08
2022/10/08
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1358.4
1251.6
Analysis
7
Ekurhuleni Soncini Playoffs 2022 (Girls)
2022/09/24
2022/09/24
Ekurhuleni (GE)
Rapid
30
0.60
5
5
5.0
1168.0
1200.0
Analysis
6
Chess Molecules Championship 2022 (Queens)
2022/09/17
2022/09/17
Johannesburg Metro (GJM)
Rapid
30
0.60
5
5
3.0
1168.0
1200.0
Analysis
5
Ekurhuleni Chess Springs Club Open 2022 (D)
2022/09/03
2022/09/03
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1168.0
1163.6
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
4
2
0
2
2.0
50.0
0.0
1294.2
1294.2
White
2
1
0
1
1.0
50.0
0.0
1372.8
1372.8
Black
2
1
0
1
1.0
50.0
0.0
1215.7
1215.7
Standard
All
4
2
0
2
2.0
50.0
0.0
1294.2
1294.2
White
2
1
0
1
1.0
50.0
0.0
1372.8
1372.8
Black
2
1
0
1
1.0
50.0
0.0
1215.7
1215.7
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
118
57
9
52
61.5
52.1
18.0
1257.1
1275.1
White
62
33
2
27
34.0
54.8
41.1
1253.4
1294.6
Black
56
24
7
25
27.5
49.1
-7.6
1261.2
1253.6
Standard
All
94
41
7
46
44.5
47.3
-22.6
1272.8
1250.2
White
49
25
2
22
26.0
53.1
26.0
1263.8
1289.8
Black
45
16
5
24
18.5
41.1
-75.6
1282.5
1207.0
Rapid
All
24
16
2
6
17.0
70.8
177.1
1195.8
1372.9
White
13
8
0
5
8.0
61.5
98.1
1214.3
1312.3
Black
11
8
2
1
9.0
81.8
270.5
1174.0
1444.4
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
2080096094
Padayachy, S (Shreya)
5
0.5
0
1
4
10.0
1315.6
-340.0
975.6
View list
2
2080140157
Jain, C (Chesta)
3
1.5
1
1
1
50.0
1295.0
0.0
1295.0
View list
3
2090146781
Dingalibaba, R (Reabetswe Ziyanda)
2
2.0
2
0
0
100.0
1263.2
425.0
1688.2
View list
4
1090139565
Myburgh, X (Xuan)
2
2.0
2
0
0
100.0
1260.9
425.0
1685.9
View list
5
2080143482
Mzizi, A (Ayanda)
2
2.0
2
0
0
100.0
1249.4
425.0
1674.4
View list
6
2070140166
Yalcoue, A (Aissatou)
2
2.0
2
0
0
100.0
1152.6
425.0
1577.6
View list
7
2080113542
Ledwaba, M (Morongwa)
2
1.0
1
0
1
50.0
1263.2
0.0
1263.2
View list
8
207092830
Netshimbupfe, W (Wanga)
2
1.0
1
0
1
50.0
1300.5
0.0
1300.5
View list
9
2070133804
Nyarenda, M (Miranda)
2
0.5
0
1
1
25.0
1300.5
-212.5
1088.0
View list
10
2070135689
Okafor, G (Grace)
2
0.5
0
1
1
25.0
1298.1
-212.5
1085.6
View list
11
2070110294
Nkhwashu, G (Geraldine)
2
0.0
0
0
2
0.0
1300.5
-425.0
875.5
View list
12
208082677
Radia, D (Diya)
2
0.0
0
0
2
0.0
1300.5
-425.0
875.5
View list
13
1090119738
Shen Yu, F (Frank)
2
0.0
0
0
2
0.0
1216.2
-425.0
791.2
View list
14
2080144526
Groves, C (Chanique)
1
1.0
1
0
0
100.0
1358.4
425.0
1783.4
View list
15
2120108512
Ellis, S (Suane)
1
1.0
1
0
0
100.0
1340.4
425.0
1765.4
View list
16
2100108334
Du Plessis, A (Amelia)
1
1.0
1
0
0
100.0
1340.4
425.0
1765.4
View list
17
2090118175
Dingalibala, R (Reabetswe)
1
1.0
1
0
0
100.0
1358.4
425.0
1783.4
View list
18
208083655
Bartman, J (Jadey)
1
1.0
1
0
0
100.0
1358.4
425.0
1783.4
View list
19
2090155380
Fourie, J (Jolandi)
1
1.0
1
0
0
100.0
1212.9
425.0
1637.9
View list
20
208066161
Bhika, J (Jyotikka)
1
1.0
1
0
0
100.0
1168.0
425.0
1593.0
View list