Player Page

Van Der Westhuizen, C (Courtney)
Dob: 2009/01/01 (U16)
Gender: Female
Chess SA id: 209078595
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/07/20 (80 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 rating1227.9
Current Weighted rating1256.2
Current Weighted performance1032.6
Current official/published rating (highest between Raw, WR and WP)1256.2
Current highest rating achieved1282.6
Current floor (min rating allowed)782.6
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)±159.4
Current Raw change used (final)0.0
Projected new Raw rating1227.9
Projected new Weighed rating1155.8
Projected new Weighted performance1032.6
Projected new final Raw rating (if new WP > new Raw)1227.9
Projected new highest rating1282.6
Projected new floor782.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1227.9
Projected effective change (new Official - current Official)-28.3
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 rating1147.8
Current Weighted rating1201.9
Current Weighted performance891.0
Current official/published rating (highest between Raw, WR and WP)1201.9
Current highest rating achieved1211.9
Current floor (min rating allowed)711.9
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)±178.6
Current Raw change used (final)0.0
Projected new Raw rating1147.8
Projected new Weighed rating1105.3
Projected new Weighted performance891.0
Projected new final Raw rating (if new WP > new Raw)1147.8
Projected new highest rating1211.9
Projected new floor711.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1147.8
Projected effective change (new Official - current Official)-54.1
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 rating1250.4
Current Weighted rating1201.0
Current Weighted performance1126.2
Current official/published rating (highest between Raw, WR and WP)1250.4
Current highest rating achieved1250.4
Current floor (min rating allowed)750.4
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)±154.3
Current Raw change used (final)0.0
Projected new Raw rating1250.4
Projected new Weighed rating1106.4
Projected new Weighted performance1126.2
Projected new final Raw rating (if new WP > new Raw)1250.4
Projected new highest rating1250.4
Projected new floor750.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1250.4
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 rating500.0
Current Weighted rating500.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)500.0
Current highest rating achieved500.0
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)±449.5
Current Raw change used (final)0.0
Projected new Raw rating500.0
Projected new Weighed rating460.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating500.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)500.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 Pedro Booyse Top Schools Championships 2024 (U15) 2024/07/20 2024/07/20 West Coast (WCU) Standard 60 0.83 5 4 0.0 1282.6 1211.9 Analysis
1 Bo-Weskus Skole Skaak Top Skole 2024 (O15) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1255.0 1176.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
23 Pedro Booyse Top Schools Championships 2024 (U15) 2024/07/20 2024/07/20 West Coast (WCU) Standard 60 0.83 5 4 0.0 1282.6 1211.9 Analysis
22 Bo-Weskus Skole Skaak Top Skole 2024 (O15) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1255.0 1176.8 Analysis
21 Upper West Coast Top Schools Championship 2023 (High School) 2023/06/10 2023/06/10 West Coast (WCU) Rapid 30 0.60 5 4 2.0 1251.8 1150.4 Analysis
20 Bo-Weskus Skole Prestige 2023 (Hoƫrskool Dogters) 2023/02/11 2023/02/11 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1249.9 1132.4 Analysis
19 Western Cape Top Schools 2022 (U13 Girls) 2022/09/16 2022/09/17 Overberg (WOS) Standard 60 0.83 5 5 3.0 1234.1 1185.9 Analysis
18 Pedro Booyse Top Schools 2022 (U11+U13 Girls) 2022/07/23 2022/07/23 West Coast (WCU) Standard 60 0.83 6 4 2.0 1240.1 1182.7 Analysis
17 Bo-Weskus Top Skole 2022 (O13) 2022/06/11 2022/06/11 West Coast (WCU) Rapid 30 0.60 5 4 3.0 1219.4 1066.4 Analysis
16 Western Cape Schools 2022 (U13 Girls) 2022/05/28 2022/05/29 Cape Winelands (WCW) Standard 65 0.85 6 6 3.0 1221.2 1181.5 Analysis
15 West Coast Schools Prestige 2022 (U13 Girls) 2022/02/19 2022/02/19 West Coast (WCU) Standard 60 0.83 6 6 4.0 1187.7 1122.7 Analysis
14 West Coast Primary Schools Prestige 2021 (U13 Girls) 2021/09/18 2021/09/18 West Coast (WCU) Rapid 30 0.60 5 5 1.0 1195.5 875.2 Analysis
13 Upper West Coast 2021 (U13) 2021/09/04 2021/09/04 West Coast (WCU) Rapid 20 0.47 7 6 4.0 1195.5 875.2 Analysis
12 West Coast Schools Prestige 2020 (U11 Girls) 2020/03/07 2020/03/07 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1142.3 718.4 Analysis
11 Bo-Weskus Skole Prestige 2020 (O11 Dogters) 2020/02/15 2020/02/15 West Coast (WCU) Standard 60 0.83 6 6 5.0 1040.7 972.8 Analysis
10 2019 South African Top Schools Team Championships (U13+U15 Girls) 2020/01/10 2020/01/11 4 Knights (4K) Standard 90 0.94 5 4 1.0 1070.0 991.2 Analysis
9 Western Cape Top Schools 2019 (U11 Girls) 2019/08/31 2019/09/01 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1074.3 978.4 Analysis
8 Western Cape Schools Individuals 2019 (U11 Girls) 2019/05/18 2019/05/19 Eden District (WEG) Standard 60 0.83 6 6 3.0 991.4 807.2 Analysis
7 West Coast Open 2019 (C) 2019/04/27 2019/04/27 West Coast (WCU) Standard 90 0.94 5 0 0.0 941.6 698.0 Analysis
6 Weskus Skole Prestige Skaak Kampioenskappe 2019 (O11 Dogters) 2019/03/02 2019/04/06 West Coast (WCU) Standard 60 0.83 6 6 3.0 941.6 698.0 Analysis
5 Bo-Weskus Skole Skaak Prestige 2019 (O11 Dogters) 2019/02/16 2019/02/16 West Coast (WCU) Rapid 30 0.60 7 7 4.0 719.4 579.2 Analysis
4 Western Cape Kings & Queens 2018 (Girls) 2018/10/20 2018/10/20 Cape Winelands (WCW) Rapid 30 0.60 5 4 2.0 671.9 500.0 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 9 4 0 5 4.0 44.4 -47.2 1250.7 1203.5
White 3 1 0 2 1.0 33.3 -141.7 1229.1 1087.4
Black 6 3 0 3 3.0 50.0 0.0 1261.5 1261.5
Standard All 4 0 0 4 0.0 0.0 -425.0 1302.0 877.0
White 1 0 0 1 0.0 0.0 -425.0 1302.3 877.3
Black 3 0 0 3 0.0 0.0 -425.0 1301.9 876.9
Rapid All 5 4 0 1 4.0 80.0 255.0 1209.7 1464.7
White 2 1 0 1 1.0 50.0 0.0 1192.5 1192.5
Black 3 3 0 0 3.0 100.0 425.0 1221.2 1646.2
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 113 60 0 53 60.0 53.1 26.3 1178.5 1204.9
White 55 31 0 24 31.0 56.4 54.1 1165.7 1219.8
Black 58 29 0 29 29.0 50.0 0.0 1190.7 1190.7
Standard All 68 33 0 35 33.0 48.5 -12.5 1159.7 1147.2
White 33 21 0 12 21.0 63.6 115.9 1140.8 1256.7
Black 35 12 0 23 12.0 34.3 -133.6 1177.5 1043.9
Rapid All 45 27 0 18 27.0 60.0 85.0 1207.0 1292.0
White 22 10 0 12 10.0 45.5 -38.6 1203.0 1164.4
Black 23 17 0 6 17.0 73.9 203.3 1210.8 1414.1
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 2090099753 De Bruin, E (Elrise) 6 3.0 3 0 3 50.0 1009.6 0.0 1009.6 View list
2 209090558 Beukes, K (Kelsey) 5 2.0 2 0 3 40.0 869.6 -85.0 784.6 View list
3 208078559 Van Zyl, M (Mea) 5 0.0 0 0 5 0.0 1071.6 -425.0 646.6 View list
4 209090556 Sauls, J (Jada) 3 1.0 1 0 2 33.3 990.1 -141.7 848.4 View list
5 209090560 Beukes, K (Kelly) 2 2.0 2 0 0 100.0 847.8 425.0 1272.8 View list
6 2090110096 Basson, Z (Ziah) 2 2.0 2 0 0 100.0 1042.0 425.0 1467.0 View list
7 2090143086 Coetzee, L (Leigh-Ann) 2 2.0 2 0 0 100.0 1240.1 425.0 1665.1 View list
8 2090107109 Pienaar, F (Francisca) 2 2.0 2 0 0 100.0 1081.4 425.0 1506.4 View list
9 2100131827 Willemse, J (Jadiah) 2 2.0 2 0 0 100.0 1114.2 425.0 1539.2 View list
10 209090559 Jaars, E (Eliza) 2 1.0 1 0 1 50.0 930.3 0.0 930.3 View list
11 209090553 Meyer, G (Gracia) 2 1.0 1 0 1 50.0 1168.9 0.0 1168.9 View list
12 2090108395 Mqadi, O (Olethiwe) 2 1.0 1 0 1 50.0 1227.7 0.0 1227.7 View list
13 209090549 Pieters, A (Astrolita) 2 1.0 1 0 1 50.0 847.8 0.0 847.8 View list
14 2080105984 De Lange, M (Marizaan) 2 0.0 0 0 2 0.0 935.0 -425.0 510.0 View list
15 1090131841 Kriel, Z (Zaydon) 2 0.0 0 0 2 0.0 1268.8 -425.0 843.8 View list
16 2090134336 Pienaar, F (Francisca) 2 0.0 0 0 2 0.0 1240.1 -425.0 815.1 View list
17 210090539 Cloete, L (Leigh-Marcia) 1 1.0 1 0 0 100.0 500.0 425.0 925.0 View list
18 209078589 Cloete, A (Amanda) 1 1.0 1 0 0 100.0 1187.7 425.0 1612.7 View list
19 205004871 Claassen, JLA (Jay-Lee-Ann) 1 1.0 1 0 0 100.0 1249.9 425.0 1674.9 View list
20 209077302 Ellman, E (Elle-Marie) 1 1.0 1 0 0 100.0 1142.3 425.0 1567.3 View list