Player Page

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: 2024/09/07 (86 days ago)
Ratings
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 rating1460.2
Current Weighted rating1424.0
Current Weighted performance930.6
Current official/published rating (highest between Raw, WR and WP)1460.2
Current highest rating achieved1460.2
Current floor (min rating allowed)960.2
Current K-factor32
Games played this month0
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)±114.5
Current Raw change used (final)0.0
Projected new Raw rating1460.2
Projected new Weighed rating1310.5
Projected new Weighted performance930.6
Projected new final Raw rating (if new WP > new Raw)1460.2
Projected new highest rating1460.2
Projected new floor960.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1460.2
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 rating1431.8
Current Weighted rating1385.5
Current Weighted performance843.7
Current official/published rating (highest between Raw, WR and WP)1431.8
Current highest rating achieved1431.8
Current floor (min rating allowed)931.8
Current K-factor32
Games played this month0
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)±119.2
Current Raw change used (final)0.0
Projected new Raw rating1431.8
Projected new Weighed rating1275.2
Projected new Weighted performance843.7
Projected new final Raw rating (if new WP > new Raw)1431.8
Projected new highest rating1431.8
Projected new floor931.8
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1431.8
Projected effective change (new Official - current Official)=0.0
s
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 rating1255.4
Current Weighted rating1244.9
Current Weighted performance813.5
Current official/published rating (highest between Raw, WR and WP)1255.4
Current highest rating achieved1255.4
Current floor (min rating allowed)755.4
Current K-factor36
Games played this month0
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 rating1255.4
Projected new Weighed rating1146.1
Projected new Weighted performance813.5
Projected new final Raw rating (if new WP > new Raw)1255.4
Projected new highest rating1255.4
Projected new floor755.4
Projected new K-facor36
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
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 rating923.0
Current Weighted rating923.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)923.0
Current highest rating achieved923.0
Current floor (min rating allowed)500.0
Current K-factor40
Games played this month0
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 rating923.0
Projected new Weighed rating849.2
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating923.0
Projected new floor500.0
Projected new K-facor40
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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 CT League 2024 (B) 2024/07/20 2024/09/07 Cape Town (WCT) Standard 120 1.00 11 1 0.5 1413.2 1371.7 Analysis
1 CT League 2024 (C) 2024/07/20 2024/09/07 Cape Town (WCT) Standard 120 1.00 11 3 2.5 1413.2 1371.7 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
28 CT League 2024 (B) 2024/07/20 2024/09/07 Cape Town (WCT) Standard 120 1.00 11 1 0.5 1413.2 1371.7 Analysis
27 CT League 2024 (C) 2024/07/20 2024/09/07 Cape Town (WCT) Standard 120 1.00 11 3 2.5 1413.2 1371.7 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
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 4 2 2 0 3.0 75.0 212.5 1498.0 1710.5
White 1 1 0 0 1.0 100.0 425.0 1529.1 1954.1
Black 3 1 2 0 2.0 66.7 141.7 1487.6 1629.3
Standard All 4 2 2 0 3.0 75.0 212.5 1498.0 1710.5
White 1 1 0 0 1.0 100.0 425.0 1529.1 1954.1
Black 3 1 2 0 2.0 66.7 141.7 1487.6 1629.3
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 153 74 24 55 86.0 56.2 52.8 1159.1 1211.8
White 74 46 8 20 50.0 67.6 149.3 1143.7 1293.0
Black 79 28 16 35 36.0 45.6 -37.7 1173.5 1135.8
Standard All 127 58 21 48 68.5 53.9 33.5 1137.4 1170.8
White 61 37 7 17 40.5 66.4 139.3 1113.9 1253.3
Black 66 21 14 31 28.0 42.4 -64.4 1159.0 1094.6
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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 104081475 Breedt, R (Ruben) 1 1.0 1 0 0 100.0 924.2 425.0 1349.2 View list
20 1050097186 Chibisa, T (Takudzwa) 1 1.0 1 0 0 100.0 1214.2 425.0 1639.2 View list