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: 2024/07/13 (132 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 rating1422.4
Current Weighted rating1431.1
Current Weighted performance1248.8
Current official/published rating (highest between Raw, WR and WP)1431.1
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)±120.8
Current Raw change used (final)0.0
Projected new Raw rating1422.4
Projected new Weighed rating1316.7
Projected new Weighted performance1248.8
Projected new final Raw rating (if new WP > new Raw)1422.4
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)1422.4
Projected effective change (new Official - current Official)-8.7
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 rating1418.6
Current Weighted rating1429.3
Current Weighted performance1248.8
Current official/published rating (highest between Raw, WR and WP)1429.3
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)±121.4
Current Raw change used (final)0.0
Projected new Raw rating1418.6
Projected new Weighed rating1315.0
Projected new Weighted performance1248.8
Projected new final Raw rating (if new WP > new Raw)1418.6
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)1418.6
Projected effective change (new Official - current Official)-10.7
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 performance167.7
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
2 DR KK Gimmies 2024 (A) 2024/07/13 2024/07/13 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 1.0 1438.3 1437.8 Analysis
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
25 DR KK Gimmies 2024 (A) 2024/07/13 2024/07/13 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 4 1.0 1438.3 1437.8 Analysis
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
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 8 3 2 3 4.0 50.0 0.0 1410.0 1410.0
White 4 2 1 1 2.5 62.5 106.3 1430.8 1537.1
Black 4 1 1 2 1.5 37.5 -106.3 1389.2 1283.0
Standard All 8 3 2 3 4.0 50.0 0.0 1410.0 1410.0
White 4 2 1 1 2.5 62.5 106.3 1430.8 1537.1
Black 4 1 1 2 1.5 37.5 -106.3 1389.2 1283.0
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 120 69 15 36 76.5 63.8 116.9 1134.9 1251.8
White 60 37 6 17 40.0 66.7 141.7 1107.1 1248.7
Black 60 32 9 19 36.5 60.8 92.1 1162.7 1254.8
Standard All 110 62 15 33 69.5 63.2 112.0 1157.6 1269.6
White 55 34 6 15 37.0 67.3 146.8 1126.5 1273.3
Black 55 28 9 18 32.5 59.1 77.3 1188.7 1266.0
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 107050552 Van Der Westhuizen, F (Frederik) 4 0.5 0 1 3 12.5 1305.8 -318.8 987.1 View list
5 208069127 Monchosi, A (Atlegang) 4 0.0 0 0 4 0.0 1012.7 -425.0 587.7 View list
6 208093327 Jerling, AAM (Alicia) 3 3.0 3 0 0 100.0 888.8 425.0 1313.8 View list
7 107095175 Molefe, LM (Lord Motheo) 3 2.5 2 1 0 83.3 1244.2 283.3 1527.6 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 1070146314 Gaboutloeloe, K (Karabo) 1 1.0 1 0 0 100.0 1419.3 425.0 1844.3 View list
20 108090799 Fernandes, A (Alanzo) 1 1.0 1 0 0 100.0 859.3 425.0 1284.3 View list