Player Page

Van Der Westhuizen, A (Annemarie)
Dob: 2007/05/02 (U18)
Gender: Female
Chess SA id: 207050551
FIDE id:
Region: Dr Kenneth Kaunda (NWP)
Citizen: RSA
Title(s):
Last active: 2024/01/14 (160 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 rating1438.3
Current Weighted rating1430.0
Current Weighted performance1317.6
Current official/published rating (highest between Raw, WR and WP)1438.3
Current highest rating achieved1456.1
Current floor (min rating allowed)956.1
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)±118.1
Current Raw change used (final)0.0
Projected new Raw rating1438.3
Projected new Weighed rating1316.7
Projected new Weighted performance1317.6
Projected new final Raw rating (if new WP > new Raw)1438.3
Projected new highest rating1456.1
Projected new floor956.1
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1438.3
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 rating1437.8
Current Weighted rating1429.2
Current Weighted performance1317.6
Current official/published rating (highest between Raw, WR and WP)1437.8
Current highest rating achieved1459.5
Current floor (min rating allowed)959.5
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)±118.2
Current Raw change used (final)0.0
Projected new Raw rating1437.8
Projected new Weighed rating1315.9
Projected new Weighted performance1317.6
Projected new final Raw rating (if new WP > new Raw)1437.8
Projected new highest rating1459.5
Projected new floor959.5
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1437.8
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 rating843.7
Current Weighted rating843.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)843.7
Current highest rating achieved843.7
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)±275.5
Current Raw change used (final)0.0
Projected new Raw rating843.7
Projected new Weighed rating776.2
Projected new Weighted performance201.5
Projected new final Raw rating (if new WP > new Raw)843.7
Projected new highest rating843.7
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)843.7
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 rating818.1
Current Weighted rating818.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)818.1
Current highest rating achieved818.1
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)±285.7
Current Raw change used (final)0.0
Projected new Raw rating818.1
Projected new Weighed rating752.7
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating818.1
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)818.1
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 2024 Gauteng Inter-Region Chess Championship (U20 Open+Girls) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 3.0 1426.9 1423.7 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
24 2024 Gauteng Inter-Region Chess Championship (U20 Open+Girls) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 3.0 1426.9 1423.7 Analysis
23 DR KKD Trials 2023 (U18+U20) 2023/09/02 2023/09/02 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 2.5 1456.1 1459.5 Analysis
22 DR Kenneth Kaunda Volkies 29 Jul 2023 (B) 2023/07/29 2023/07/29 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 4.0 1433.9 1435.2 Analysis
21 Dr KKD Curro 2023 (U18) 2023/05/13 2023/05/13 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 4.0 1419.3 1417.6 Analysis
20 2022 South African Junior Team Chess Championships (U14-U18 Girls) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 6 4.0 1369.3 1371.5 Analysis
19 Dr. KKD SAJCC Trials September 2022 (U16) 2022/09/03 2022/09/03 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.5 1331.4 1332.8 Analysis
18 Dr. KKD Volkskool 2022 (U16) 2022/08/20 2022/08/20 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 2.0 1343.4 1342.1 Analysis
17 La Hoff Primary School 2022 (B) 2022/07/23 2022/07/23 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 2.5 1315.3 1323.9 Analysis
16 Bailie Park Potchefstroom 2022 (U14+U16) 2022/06/04 2022/06/04 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 4.5 1268.1 1268.1 Analysis
15 La Hoff Dr. KK Chess 2022 (C) 2022/02/19 2022/02/19 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 5.0 1188.1 1169.3 Analysis
14 Volkskool Tournament 2021 (Open) 2021/06/26 2021/06/26 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 0 0.0 1166.2 1136.5 Analysis
13 Saamtrek 2021 (Open) 2021/06/12 2021/06/12 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 2.5 1166.2 1136.5 Analysis
12 Wesvalia 2020 (C) 2020/02/15 2020/02/15 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 1161.9 1124.9 Analysis
11 Matlosana Mall 2019 (C) 2019/10/04 2019/10/04 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.5 1144.6 1091.8 Analysis
10 Doringkruin 2019 (U14) 2019/06/08 2019/06/08 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.5 1034.3 996.6 Analysis
9 2019 Super 12 Laerskole (Seniors) 2019/05/04 2019/05/04 Tshwane (GTP) Rapid 30 0.60 5 5 4.0 1002.6 829.3 Analysis
8 South African Junior Team Championships 2018 (U12B Girls) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 6 4.0 941.0 940.6 Analysis
7 Boys and Girls 2018 (U12 Girls) 2018/08/25 2018/08/25 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 906.3 919.7 Analysis
6 Driefontein Proewe 2018 (O12 Dogters) 2018/07/28 2018/07/28 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 3.0 900.7 901.7 Analysis
5 President 16 Junie 2018 (U12) 2018/06/16 2018/06/16 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 2.5 900.2 904.1 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 1295.1 1507.6
White 2 1 1 0 1.5 75.0 212.5 1339.8 1552.3
Black 2 1 1 0 1.5 75.0 212.5 1250.4 1462.9
Standard All 4 2 2 0 3.0 75.0 212.5 1295.1 1507.6
White 2 1 1 0 1.5 75.0 212.5 1339.8 1552.3
Black 2 1 1 0 1.5 75.0 212.5 1250.4 1462.9
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 116 68 15 33 75.5 65.1 128.2 1121.4 1249.7
White 58 36 6 16 39.0 67.2 146.6 1092.8 1239.3
Black 58 32 9 17 36.5 62.9 109.9 1150.1 1260.0
Standard All 106 61 15 30 68.5 64.6 124.3 1143.7 1268.0
White 53 33 6 14 36.0 67.9 152.4 1111.6 1263.9
Black 53 28 9 16 32.5 61.3 96.2 1175.9 1272.1
Rapid All 10 7 0 3 7.0 70.0 170.0 885.1 1055.1
White 5 3 0 2 3.0 60.0 85.0 893.3 978.3
Black 5 4 0 1 4.0 80.0 255.0 876.8 1131.8
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 207078376 Goede, K (Kari) 4 3.0 3 0 1 75.0 1070.6 212.5 1283.1 View list
2 107059584 Molusi, K (Katlego) 4 1.5 1 1 2 37.5 1324.3 -106.3 1218.0 View list
3 207052763 Ellis, CE (Catherine) 4 1.0 1 0 3 25.0 1108.2 -212.5 895.7 View list
4 208069127 Monchosi, A (Atlegang) 4 0.0 0 0 4 0.0 1012.7 -425.0 587.7 View list
5 208093327 Jerling, AAM (Alicia) 3 3.0 3 0 0 100.0 888.8 425.0 1313.8 View list
6 107095175 Molefe, LM (Lord Motheo) 3 2.5 2 1 0 83.3 1244.2 283.3 1527.6 View list
7 107050552 Van Der Westhuizen, F (Frederik) 3 0.5 0 1 2 16.7 1261.7 -283.3 978.3 View list
8 208072577 Ackerman, B (Bea-Mari) 2 2.0 2 0 0 100.0 903.5 425.0 1328.5 View list
9 207053339 Devenish, T (Tara-Jane) 2 2.0 2 0 0 100.0 1337.4 425.0 1762.4 View list
10 108087181 Janse Van Rensburg, N (Nian) 2 2.0 2 0 0 100.0 1289.3 425.0 1714.3 View list
11 1080106039 Matlala, U (Unathi) 2 2.0 2 0 0 100.0 1175.0 425.0 1600.0 View list
12 1080113085 Mostert, CF (Christiaan ) 2 2.0 2 0 0 100.0 1259.8 425.0 1684.8 View list
13 1090100229 Van Der Merwe, D (Devan) 2 2.0 2 0 0 100.0 1351.0 425.0 1776.0 View list
14 107069499 Smit, D (Damian) 2 1.0 1 0 1 50.0 1437.7 0.0 1437.7 View list
15 1110134010 Van Meersbergen, E (Ettienne) 2 1.0 1 0 1 50.0 1374.6 0.0 1374.6 View list
16 108076272 Pretorius, M (Martin) 2 0.5 0 1 1 25.0 878.8 -212.5 666.3 View list
17 109064023 Fouche, H (Heinrich) 2 0.0 0 0 2 0.0 1252.7 -425.0 827.7 View list
18 206044885 Jonker, DE (Danica) 2 0.0 0 0 2 0.0 1240.8 -425.0 815.8 View list
19 108090799 Fernandes, A (Alanzo) 1 1.0 1 0 0 100.0 859.3 425.0 1284.3 View list
20 2090096768 Carney, J (Jaimie) 1 1.0 1 0 0 100.0 818.1 425.0 1243.1 View list