Chess South Africa
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Chess South Africa
Du Preez, K (Katrien)
Dob:
2005/01/29 (U20)
Gender:
Female
Chess SA id:
205055185
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2022/06/16 (705 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
1413.2
Curent Weighted rating
1413.2
Curent Weighted performance
1026.4
Current official/published rating (highest between Raw, WR and WP)
1413.2
Current floor (min rating allowed)
913.2
Current highest rating achieved
1413.2
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)
±122.4
Current Raw change used (final)
0.0
Projected new Raw rating
1413.2
Projected new Weighed rating
1413.2
Projected new Weighted performance
1026.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1413.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1413.2
Projected new floor
913.2
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
1371.7
Curent Weighted rating
1371.7
Curent Weighted performance
925.4
Current official/published rating (highest between Raw, WR and WP)
1371.7
Current floor (min rating allowed)
871.7
Current highest rating achieved
1371.7
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)
±129.8
Current Raw change used (final)
0.0
Projected new Raw rating
1371.7
Projected new Weighed rating
1371.7
Projected new Weighted performance
925.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1371.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1371.7
Projected new floor
871.7
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
1255.4
Curent Weighted rating
1229.8
Curent Weighted performance
819.0
Current official/published rating (highest between Raw, WR and WP)
1255.4
Current floor (min rating allowed)
755.4
Current highest rating achieved
1255.4
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)
±153.2
Current Raw change used (final)
0.0
Projected new Raw rating
1255.4
Projected new Weighed rating
1232.4
Projected new Weighted performance
819.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1255.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1255.4
Projected new floor
755.4
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
923.0
Curent Weighted rating
923.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
923.0
Current floor (min rating allowed)
755.4
Current highest rating achieved
923.0
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)
±246.0
Current Raw change used (final)
0.0
Projected new Raw rating
923.0
Projected new Weighed rating
923.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
923.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
923.0
Projected new floor
755.4
Projected new K-facor
40
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
26
WP Closed 2022 (U18+U20)
2022/06/16
2022/06/16
Cape Town (WCT)
Standard
70
0.87
6
5
2.5
1402.1
1350.1
Analysis
25
District North 2022 (U18)
2022/03/06
2022/03/06
Cape Town (WCT)
Rapid
30
0.60
6
6
4.5
1379.9
1106.6
Analysis
24
Western Cape Schools 2021 (U18 Girls)
2021/10/23
2021/10/23
Overberg (WOS)
Rapid
35
0.66
5
5
3.5
1366.4
1065.0
Analysis
23
Western Cape Closed 2021 (Open)
2021/09/24
2021/09/25
Cape Winelands (WCW)
Standard
70
0.87
6
6
4.0
1311.3
1280.3
Analysis
22
CWP Closed 2021 (Open)
2021/09/18
2021/09/19
Cape Town (WCT)
Standard
70
0.87
6
6
3.5
1311.3
1280.3
Analysis
21
CWP Youth Day Rapid 2021 (U18)
2021/06/16
2021/06/16
Cape Town (WCT)
Rapid
25
0.54
5
5
3.0
1292.4
1016.6
Analysis
20
Western Cape Schools 2020 (U15 Girls)
2020/03/14
2020/03/15
Cape Town (WCT)
Standard
60
0.83
5
5
2.5
1265.1
1262.7
Analysis
19
2020 Western Province Open (Prestige)
2020/03/07
2020/03/08
Cape Town (WCT)
Standard
70
0.87
6
6
3.5
1265.1
1262.7
Analysis
18
2020 Central District (U15)
2020/02/07
2020/02/08
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
1225.7
1217.0
Analysis
17
2019 South African Junior Team Championships (U16B)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
3.5
1214.2
1203.0
Analysis
16
Western Cape Schools Kings & Queens 2019 (Girls)
2019/10/12
2019/10/12
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1204.0
1009.8
Analysis
15
2019 WP Youth Open (B)
2019/07/13
2019/07/13
Cape Town (WCT)
Standard
60
0.83
5
5
2.5
1193.4
1195.8
Analysis
14
Western Cape Schools Individuals 2019 (U15 Girls)
2019/05/04
2019/05/05
Eden District (WEG)
Standard
60
0.83
6
6
4.0
1154.8
1143.0
Analysis
13
Metro School Chess Closed Individual Trials 2019 (U15 Girls)
2019/03/01
2019/03/02
Cape Town (WCT)
Standard
60
0.83
6
6
3.5
1123.3
1095.1
Analysis
12
2019 Central District Schools Trials (U15)
2019/02/01
2019/02/02
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
1107.7
1060.7
Analysis
11
Laerskool Brits Tournament 2018 (U14)
2018/08/04
2018/08/04
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.5
1068.3
994.4
Analysis
10
Laerskool Proteapark Chess 2018 (B)
2018/05/19
2018/05/19
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.0
943.5
947.4
Analysis
9
2018 Super 12 (Senior)
2018/05/05
2018/05/05
Tshwane (GTP)
Rapid
30
0.60
5
5
3.5
943.5
923.0
Analysis
8
Laerskool Olienpark 2018 (U14)
2018/04/21
2018/04/21
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.5
876.4
864.2
Analysis
7
2018 South African Junior Closed Chess Championships (U14 Girls)
2018/04/01
2018/04/07
Chess South Africa (CSA)
Standard
120
1.00
11
10
3.0
876.4
864.2
Analysis
1
2
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
149
72
22
55
83.0
55.7
48.5
1150.0
1198.5
White
73
45
8
20
49.0
67.1
145.5
1138.4
1283.9
Black
76
27
14
35
34.0
44.7
-44.7
1161.1
1116.4
Standard
All
123
56
19
48
65.5
53.3
27.6
1125.6
1153.3
White
60
36
7
17
39.5
65.8
134.6
1107.0
1241.6
Black
63
20
12
31
26.0
41.3
-74.2
1143.4
1069.2
Rapid
All
26
16
3
7
17.5
67.3
147.1
1265.1
1412.2
White
13
9
1
3
9.5
73.1
196.2
1283.1
1479.2
Black
13
7
2
4
8.0
61.5
98.1
1247.1
1345.2
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
205054730
Du Preez, L (Lienke)
4
1.5
1
1
2
37.5
1160.7
-106.3
1054.5
View list
2
205021249
Maseng, G (Gontlafetse)
3
3.0
3
0
0
100.0
955.9
425.0
1380.9
View list
3
205046579
Harris, A (Angie)
3
1.5
1
1
1
50.0
1055.3
0.0
1055.3
View list
4
205053371
Yacoob, A (Ameera)
3
1.0
0
2
1
33.3
1167.9
-141.7
1026.3
View list
5
204077326
Arendse, KC (Kelli Candice)
2
2.0
2
0
0
100.0
1115.5
425.0
1540.5
View list
6
205073351
Brand, R (Robin)
2
2.0
2
0
0
100.0
1257.7
425.0
1682.7
View list
7
205056390
Ebrahim, MB (Mumtaaz)
2
2.0
2
0
0
100.0
1194.2
425.0
1619.2
View list
8
205088953
Ndavala, J (Jeffline)
2
2.0
2
0
0
100.0
1209.9
425.0
1634.9
View list
9
2930100456
Chiriya, T (Takudzwa)
2
1.5
1
1
0
75.0
1288.2
212.5
1500.7
View list
10
106050532
Delport, B (Ben)
2
1.5
1
1
0
75.0
953.5
212.5
1166.0
View list
11
106089505
Mchontsi, A (Ayabonga)
2
1.5
1
1
0
75.0
1356.7
212.5
1569.2
View list
12
105013511
Jaffer, U (Uzair)
2
1.0
1
0
1
50.0
1166.7
0.0
1166.7
View list
13
205014626
Joubert, N (Natasha)
2
1.0
1
0
1
50.0
1063.5
0.0
1063.5
View list
14
109068118
Spiller, C (Caden)
2
1.0
1
0
1
50.0
1288.2
0.0
1288.2
View list
15
205064819
Holroyd, K (Kea)
2
0.5
0
1
1
25.0
899.7
-212.5
687.2
View list
16
106053361
Moollajee, R (Rehaan)
2
0.5
0
1
1
25.0
1313.9
-212.5
1101.4
View list
17
205033527
Schonken, CJ (Christina)
2
0.5
0
1
1
25.0
899.7
-212.5
687.2
View list
18
1050099543
Van Tonder, C (Charl)
2
0.0
0
0
2
0.0
1347.3
-425.0
922.3
View list
19
1050097186
Chibisa, T (Takudzwa)
1
1.0
1
0
0
100.0
1214.2
425.0
1639.2
View list
20
205069627
Carew, C (Chloe)
1
1.0
1
0
0
100.0
923.0
425.0
1348.0
View list