Player Page

Wiehahn, H (Hailey)
Dob: 2012/12/13 (U14)
Gender: Female
Chess SA id: 2120136659
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (8 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
Curent Raw rating1313.9
Curent Weighted rating1333.1
Curent Weighted performance1228.0
Current official/published rating (highest between Raw, WR and WP)1333.1
Current floor (min rating allowed)953.9
Current highest rating achieved1453.9
Current K-factor32
Games played this month14
Score (S)9.5
Expected score (We)7.16
Difference (S-We)2.34
Current Raw change (no limits, including tournament time weight)65.5
Current min/max change allowed (with limits)±141.0
Current Raw change used (final)65.5
Projected new Raw rating1379.4
Projected new Weighed rating1338.0
Projected new Weighted performance1228.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1379.4
Projected effective change (new Official - current Official)+46.3
Projected new highest rating1453.9
Projected new floor953.9
Projected new K-facor32
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 rating1299.0
Curent Weighted rating1317.1
Curent Weighted performance1227.6
Current official/published rating (highest between Raw, WR and WP)1317.1
Current floor (min rating allowed)946.9
Current highest rating achieved1446.9
Current K-factor32
Games played this month14
Score (S)9.5
Expected score (We)7.03
Difference (S-We)2.47
Current Raw change (no limits, including tournament time weight)79.0
Current min/max change allowed (with limits)±144.0
Current Raw change used (final)79.0
Projected new Raw rating1378.0
Projected new Weighed rating1323.0
Projected new Weighted performance1227.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1378.0
Projected effective change (new Official - current Official)+61.0
Projected new highest rating1446.9
Projected new floor946.9
Projected new K-facor32
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Tournaments
Tournament: 2024 Gauteng North School District Individual Championships - D1 (U13 Girls)
Start: 2024/05/11  End: 2024/05/11  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 5.0
Main rating: 1313.9  Rating gain/loss: 45.7
Type rating: 1299.0  Rating gain/loss: 57.6
Analysis
Tournament: South African Junior Closed Chess Championship 2024 (U12 Girls)
Start: 2024/04/27  End: 2024/05/01  Host: GE  Type: Standard   Time: 120  Time weight: 1.00  Rounds: 9
Games: 9  Score: 4.5
Main rating: 1313.9  Rating gain/loss: 19.8
Type rating: 1299.0  Rating gain/loss: 21.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 2024 Gauteng North School District Individual Championships - D1 (U13 Girls) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1313.9 1299.0 Analysis
3 South African Junior Closed Chess Championship 2024 (U12 Girls) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 4.5 1313.9 1299.0 Analysis
2 2024 Tshwane Chess AHS Open Chess Tournament (C1) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1314.4 1295.8 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U12 Girls A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 2.0 1309.9 1287.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
25 2024 Gauteng North School District Individual Championships - D1 (U13 Girls) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1313.9 1299.0 Analysis
24 South African Junior Closed Chess Championship 2024 (U12 Girls) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 4.5 1313.9 1299.0 Analysis
23 2024 Tshwane Chess AHS Open Chess Tournament (C1) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1314.4 1295.8 Analysis
22 2024 Gauteng Inter-Region Chess Championship (U12 Girls A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 2.0 1309.9 1287.2 Analysis
21 2023 Gauteng Noord (C) 2023/10/14 2023/10/15 Tshwane (GTP) Standard 90 0.94 5 5 1.0 1371.9 1349.3 Analysis
20 2023 Etienne Lewis Closed Tournament (U12) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 6.0 1447.8 1438.9 Analysis
19 2023 Gauteng Top Schools (U13 Mixed) 2023/08/18 2023/08/18 West Rand (GWR) Standard 60 0.83 5 4 2.0 1447.8 1438.9 Analysis
18 2023 Jacaranda Round Robin (F) 2023/08/12 2023/08/12 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1447.8 1438.9 Analysis
17 2023 Gauteng North School District CLOSED League Championships (D1) (U13) 2023/08/05 2023/08/05 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1447.8 1438.9 Analysis
16 Wynie Robbertse Open Tournament 2023 (C) 2023/06/03 2023/06/03 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1453.9 1446.9 Analysis
15 Gauteng Schools Individual Finals 2023 (U11 Girls) 2023/05/26 2023/05/26 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1345.7 1341.3 Analysis
14 2023 Gauteng North School District CLOSED Individual Championships (U11 Girls) 2023/05/13 2023/05/13 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1345.7 1341.3 Analysis
13 2023 Milos Ristic Open Tournament (C) 2023/04/27 2023/04/27 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1287.9 1276.8 Analysis
12 Silver Lakes Open Chess Tournament (C) 2023/04/15 2023/04/15 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1287.9 1276.8 Analysis
11 2023 Afrikaans Hoër Seunskool Open Chess Tournament (C) 2023/03/04 2023/03/04 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1304.0 1293.4 Analysis
10 2023 Tshwane Chess Open Registration Tournament (C2) 2023/01/28 2023/01/28 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1298.9 1285.5 Analysis
9 2022 South African Junior Team Chess Championships (U10+U12 Girls) 2022/12/04 2022/12/07 4 Knights (4K) Standard 120 1.00 5 5 3.0 1317.6 1304.2 Analysis
8 2022 Gauteng North Chess Open (C) 2022/10/15 2022/10/16 Tshwane (GTP) Standard 90 0.94 5 5 2.5 1240.9 1228.3 Analysis
7 2022 Wynie Robbertse Open (U12) 2022/10/08 2022/10/08 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1240.9 1228.3 Analysis
6 2022 Etienne Lewis (U12 Girls) 2022/09/02 2022/09/04 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1212.7 1205.6 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 23 12 4 7 14.0 60.9 92.4 1314.3 1406.7
White 12 7 1 4 7.5 62.5 106.3 1305.4 1411.7
Black 11 5 3 3 6.5 59.1 77.3 1324.0 1401.2
Standard All 23 12 4 7 14.0 60.9 92.4 1314.3 1406.7
White 12 7 1 4 7.5 62.5 106.3 1305.4 1411.7
Black 11 5 3 3 6.5 59.1 77.3 1324.0 1401.2
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 130 72 16 42 80.0 61.5 98.1 1225.6 1323.7
White 68 39 8 21 43.0 63.2 112.5 1216.5 1329.0
Black 62 33 8 21 37.0 59.7 82.3 1235.6 1317.9
Standard All 130 72 16 42 80.0 61.5 98.1 1225.6 1323.7
White 68 39 8 21 43.0 63.2 112.5 1216.5 1329.0
Black 62 33 8 21 37.0 59.7 82.3 1235.6 1317.9
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2120108352 De Swardt, M (Mieke) 3 3.0 3 0 0 100.0 1267.7 425.0 1692.7 View list
2 2120112515 Du Randt, L (Lea) 3 3.0 3 0 0 100.0 1252.4 425.0 1677.4 View list
3 1120137394 Du Bruyn, D (Dylan) 2 2.0 2 0 0 100.0 1367.8 425.0 1792.8 View list
4 1120109890 Grahan, T (Tylo) 2 2.0 2 0 0 100.0 1367.8 425.0 1792.8 View list
5 1120143047 Haupt, J (Joshua) 2 2.0 2 0 0 100.0 1344.3 425.0 1769.3 View list
6 2130148666 Westermann, L (Liezl) 2 2.0 2 0 0 100.0 1345.7 425.0 1770.7 View list
7 1120135739 Pretorius, P (Pieter) 2 1.5 1 1 0 75.0 1323.9 212.5 1536.4 View list
8 2120135385 Van Der Schyff, C (Charlize) 2 1.5 1 1 0 75.0 1311.9 212.5 1524.4 View list
9 1080139932 Wolfaardt, J (John Eduan) 2 1.5 1 1 0 75.0 1296.0 212.5 1508.5 View list
10 2120134048 Erwee, E (Elizabeth) 2 1.0 1 0 1 50.0 1258.8 0.0 1258.8 View list
11 107079671 Makaleng, M (Mosa) 2 1.0 1 0 1 50.0 1412.9 0.0 1412.9 View list
12 1130140475 Van Der Westhuizen, L (Lihan) 2 0.0 0 0 2 0.0 1344.3 -425.0 919.3 View list
13 1120143038 Boshoff, R (Reinhardt) 1 1.0 1 0 0 100.0 1240.9 425.0 1665.9 View list
14 1070112457 Bhula, S (Shyam Hitesh) 1 1.0 1 0 0 100.0 1240.9 425.0 1665.9 View list
15 1120108359 Bhudai, M (Milan) 1 1.0 1 0 0 100.0 1142.9 425.0 1567.9 View list
16 1110109561 Coetzee, M (Marko) 1 1.0 1 0 0 100.0 1298.9 425.0 1723.9 View list
17 2120304495 Chimole, M (Mphoenthle) 1 1.0 1 0 0 100.0 1313.9 425.0 1738.9 View list
18 1100142928 Cele, M (Mndeni) 1 1.0 1 0 0 100.0 1447.8 425.0 1872.8 View list
19 1130133911 Butner, J (James) 1 1.0 1 0 0 100.0 1198.9 425.0 1623.9 View list
20 1070099941 Burger, I (Izak Ulrich) 1 1.0 1 0 0 100.0 1143.6 425.0 1568.6 View list