Chess South Africa
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Chess South Africa
Pretorius, K (Klarissa)
Dob:
2007/09/26 (U18)
Gender:
Female
Chess SA id:
2070100307
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/03/23 (60 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
1398.1
Curent Weighted rating
1399.0
Curent Weighted performance
1242.2
Current official/published rating (highest between Raw, WR and WP)
1399.0
Current floor (min rating allowed)
1056.3
Current highest rating achieved
1556.3
Current K-factor
32
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)
±125.0
Current Raw change used (final)
0.0
Projected new Raw rating
1398.1
Projected new Weighed rating
1402.8
Projected new Weighted performance
1242.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1402.8
Projected effective change (new Official - current Official)
+3.8
Projected new highest rating
1556.3
Projected new floor
1056.3
Projected new K-facor
32
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
1380.0
Curent Weighted rating
1391.8
Curent Weighted performance
1234.3
Current official/published rating (highest between Raw, WR and WP)
1391.8
Current floor (min rating allowed)
1049.6
Current highest rating achieved
1549.6
Current K-factor
32
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)
±128.3
Current Raw change used (final)
0.0
Projected new Raw rating
1380.0
Projected new Weighed rating
1394.6
Projected new Weighted performance
1234.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1394.6
Projected effective change (new Official - current Official)
+2.8
Projected new highest rating
1549.6
Projected new floor
1049.6
Projected new K-facor
32
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)
700.0
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
0.0
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
700.0
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)
700.0
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
700.0
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
4
1st Knights Open Tournament 2024 (B)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
0.0
1460.8
1458.1
Analysis
3
JMC Unika School Tournament 2024 (C)
2024/03/02
2024/03/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
2.0
1460.8
1458.1
Analysis
2
JMC Kick Off Tournament 2024 (C)
2024/01/28
2024/01/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1456.5
1448.8
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U18A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1456.5
1448.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
34
1st Knights Open Tournament 2024 (B)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
0.0
1460.8
1458.1
Analysis
33
JMC Unika School Tournament 2024 (C)
2024/03/02
2024/03/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
2.0
1460.8
1458.1
Analysis
32
JMC Kick Off Tournament 2024 (C)
2024/01/28
2024/01/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1456.5
1448.8
Analysis
31
2024 Gauteng Inter-Region Chess Championship (U18A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1456.5
1448.8
Analysis
30
2023 Gauteng Top Schools (U17 Mixed)
2023/08/19
2023/08/19
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1556.3
1549.6
Analysis
29
JMC Closed Aug 2023 (U18+U20)
2023/08/04
2023/08/06
Johannesburg Metro (GJM)
Standard
90
0.94
6
5
0.0
1556.3
1549.6
Analysis
28
JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
2023/07/30
2023/07/30
Johannesburg Metro (GJM)
Blitz
8
0.25
7
0
0.0
1348.0
1200.0
Analysis
27
ThinkChess Tournament 29 July 2023
2023/07/29
2023/07/29
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.5
1348.0
1351.1
Analysis
26
ThinkChess 6 July 2023
2023/07/06
2023/07/06
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1348.0
1351.1
Analysis
25
JMC Trinity Little Falls 2023 (C)
2023/07/02
2023/07/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1348.0
1351.1
Analysis
24
Gauteng Schools Individual Finals 2023 (U18 Girls)
2023/05/27
2023/05/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1234.9
1225.5
Analysis
23
ThinkChess Tournament 6 May 2023
2023/05/06
2023/05/06
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1234.9
1225.5
Analysis
22
JMC 1 St Peters 2023 (C)
2023/03/18
2023/03/18
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1249.5
1246.7
Analysis
21
Mzansi Rapid 2023 (Intermediate)
2023/02/04
2023/02/04
Johannesburg Metro (GJM)
Rapid
25
0.54
6
6
3.0
1256.1
1200.0
Analysis
20
Thinkchess Tournament 2023 (Group 1)
2023/01/28
2023/01/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1277.9
1274.8
Analysis
19
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
1299.5
1296.4
Analysis
18
JMC 3rd Trials 2022 (C)
2022/09/11
2022/09/11
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1168.6
1164.9
Analysis
17
Mzansi Spring Open 2022 (Young Masters)
2022/09/03
2022/09/03
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1168.6
1164.9
Analysis
16
JMC Womens Day 2022 (C)
2022/08/06
2022/08/07
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
2.0
1203.5
1202.0
Analysis
15
JMC Trials 1 - Laerskool Fontainebleau 2022 (U16+U18)
2022/07/24
2022/07/24
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1181.2
1177.2
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
18
6
4
8
8.0
44.4
-47.2
1398.8
1351.5
White
8
1
1
6
1.5
18.8
-265.6
1388.0
1122.4
Black
10
5
3
2
6.5
65.0
127.5
1407.4
1534.9
Standard
All
18
6
4
8
8.0
44.4
-47.2
1398.8
1351.5
White
8
1
1
6
1.5
18.8
-265.6
1388.0
1122.4
Black
10
5
3
2
6.5
65.0
127.5
1407.4
1534.9
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
169
80
10
79
85.0
50.3
2.5
1244.9
1247.4
White
88
37
4
47
39.0
44.3
-48.3
1247.0
1198.7
Black
81
43
6
32
46.0
56.8
57.7
1242.6
1300.3
Standard
All
163
77
10
76
82.0
50.3
2.6
1246.3
1248.9
White
85
35
4
46
37.0
43.5
-55.0
1248.7
1193.7
Black
78
42
6
30
45.0
57.7
65.4
1243.7
1309.1
Rapid
All
6
3
0
3
3.0
50.0
0.0
1207.1
1207.1
White
3
2
0
1
2.0
66.7
141.7
1200.0
1341.7
Black
3
1
0
2
1.0
33.3
-141.7
1214.3
1072.6
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
1120115958
Bazhko, A (Anton)
3
2.0
2
0
1
66.7
1299.9
141.7
1441.5
View list
2
212091698
Chinoruma, K (Kupa)
3
1.0
1
0
2
33.3
1145.7
-141.7
1004.1
View list
3
1110099290
Gough, R (Rowan)
3
1.0
1
0
2
33.3
1099.6
-141.7
958.0
View list
4
211091693
Steyn, A (Anneke)
3
1.0
1
0
2
33.3
1163.6
-141.7
1021.9
View list
5
1120153396
Benney, J (Joshua)
2
2.0
2
0
0
100.0
1291.5
425.0
1716.5
View list
6
1090130898
Mesele, O (Oboitshepo)
2
2.0
2
0
0
100.0
1314.7
425.0
1739.7
View list
7
1130132184
Smith, C (Caleb)
2
2.0
2
0
0
100.0
1313.0
425.0
1738.0
View list
8
1110134884
Habangana, B (Bushe)
2
1.0
1
0
1
50.0
1402.3
0.0
1402.3
View list
9
108076197
Swart, M (Marco)
2
1.0
1
0
1
50.0
1154.0
0.0
1154.0
View list
10
1120111803
Retief, A (Antonie)
2
0.5
0
1
1
25.0
1332.2
-212.5
1119.7
View list
11
106056845
Buhrmann, J (Johann)
2
0.0
0
0
2
0.0
1345.3
-425.0
920.3
View list
12
107092250
Brown, D (Daniel)
2
0.0
0
0
2
0.0
1147.5
-425.0
722.5
View list
13
107069948
Jones, W (William)
2
0.0
0
0
2
0.0
1368.8
-425.0
943.8
View list
14
1100110075
Mupalala, K (Kenzo)
2
0.0
0
0
2
0.0
1298.8
-425.0
873.8
View list
15
1090105696
Barradas, K (Keanu)
1
1.0
1
0
0
100.0
1348.0
425.0
1773.0
View list
16
1070132187
Botha, E (Ethan)
1
1.0
1
0
0
100.0
1146.6
425.0
1571.6
View list
17
1100111813
Akula, K (Kishan)
1
1.0
1
0
0
100.0
1095.1
425.0
1520.1
View list
18
1080149205
Cech, S (Samuel)
1
1.0
1
0
0
100.0
1348.0
425.0
1773.0
View list
19
1090148598
Chetty, N (Neveshan)
1
1.0
1
0
0
100.0
1277.9
425.0
1702.9
View list
20
2130148605
Coulson, A (Alannah)
1
1.0
1
0
0
100.0
1348.0
425.0
1773.0
View list