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: 2024/10/04 (51 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 rating1433.2
Current Weighted rating1361.4
Current Weighted performance1408.7
Current official/published rating (highest between Raw, WR and WP)1433.2
Current highest rating achieved1453.9
Current floor (min rating allowed)953.9
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)±118.9
Current Raw change used (final)0.0
Projected new Raw rating1433.2
Projected new Weighed rating1253.1
Projected new Weighted performance1408.7
Projected new final Raw rating (if new WP > new Raw)1433.2
Projected new highest rating1453.9
Projected new floor953.9
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1433.2
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 rating1441.0
Current Weighted rating1352.6
Current Weighted performance1408.7
Current official/published rating (highest between Raw, WR and WP)1441.0
Current highest rating achieved1446.9
Current floor (min rating allowed)946.9
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)±117.6
Current Raw change used (final)0.0
Projected new Raw rating1441.0
Projected new Weighed rating1245.1
Projected new Weighted performance1408.7
Projected new final Raw rating (if new WP > new Raw)1441.0
Projected new highest rating1446.9
Projected new floor946.9
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1441.0
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
11 Gauteng Top Schools 2024 (U13 Girls) 2024/10/04 2024/10/04 Ekurhuleni (GE) Standard 60 0.83 5 5 3.5 1413.8 1419.6 Analysis
10 2024 Etienne Lewis (U14) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1384.4 1388.9 Analysis
9 Gauteng Schools Individuals Finals 2024 (U13 Girls) 2024/08/16 2024/08/16 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1384.4 1388.9 Analysis
8 2024 Alekhine Open Chess Tournament (B) 2024/08/09 2024/08/10 Tshwane (GTP) Standard 90 0.94 5 3 1.0 1375.0 1372.6 Analysis
7 D1 Gauteng North District School Closed 2024 (U13 Girls) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1375.0 1372.6 Analysis
6 2024 Elise Steenkamp Open Chess Tournament (Queens) 2024/06/15 2024/06/17 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1381.9 1378.5 Analysis
5 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (D) 2024/06/01 2024/06/01 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1381.9 1378.5 Analysis
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
32 Gauteng Top Schools 2024 (U13 Girls) 2024/10/04 2024/10/04 Ekurhuleni (GE) Standard 60 0.83 5 5 3.5 1413.8 1419.6 Analysis
31 2024 Etienne Lewis (U14) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1384.4 1388.9 Analysis
30 Gauteng Schools Individuals Finals 2024 (U13 Girls) 2024/08/16 2024/08/16 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1384.4 1388.9 Analysis
29 2024 Alekhine Open Chess Tournament (B) 2024/08/09 2024/08/10 Tshwane (GTP) Standard 90 0.94 5 3 1.0 1375.0 1372.6 Analysis
28 D1 Gauteng North District School Closed 2024 (U13 Girls) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1375.0 1372.6 Analysis
27 2024 Elise Steenkamp Open Chess Tournament (Queens) 2024/06/15 2024/06/17 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1381.9 1378.5 Analysis
26 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (D) 2024/06/01 2024/06/01 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1381.9 1378.5 Analysis
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
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 60 35 8 17 39.0 65.0 127.5 1288.9 1416.4
White 31 18 4 9 20.0 64.5 123.4 1287.4 1410.8
Black 29 17 4 8 19.0 65.5 131.9 1290.5 1422.4
Standard All 60 35 8 17 39.0 65.0 127.5 1288.9 1416.4
White 31 18 4 9 20.0 64.5 123.4 1287.4 1410.8
Black 29 17 4 8 19.0 65.5 131.9 1290.5 1422.4
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 167 95 20 52 105.0 62.9 109.4 1236.2 1345.6
White 87 50 11 26 55.5 63.8 117.2 1229.5 1346.8
Black 80 45 9 26 49.5 61.9 100.9 1243.4 1344.3
Standard All 167 95 20 52 105.0 62.9 109.4 1236.2 1345.6
White 87 50 11 26 55.5 63.8 117.2 1229.5 1346.8
Black 80 45 9 26 49.5 61.9 100.9 1243.4 1344.3
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
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 1120143049 Marais, M (Migael) 2 2.0 2 0 0 100.0 1292.3 425.0 1717.3 View list
7 2130148666 Westermann, L (Liezl) 2 2.0 2 0 0 100.0 1345.7 425.0 1770.7 View list
8 1120135739 Pretorius, P (Pieter) 2 1.5 1 1 0 75.0 1323.9 212.5 1536.4 View list
9 2120135385 Van Der Schyff, C (Charlize) 2 1.5 1 1 0 75.0 1311.9 212.5 1524.4 View list
10 1080139932 Wolfaardt, J (John Eduan) 2 1.5 1 1 0 75.0 1296.0 212.5 1508.5 View list
11 2120134048 Erwee, E (Elizabeth) 2 1.0 1 0 1 50.0 1258.8 0.0 1258.8 View list
12 107079671 Makaleng, M (Mosa) 2 1.0 1 0 1 50.0 1412.9 0.0 1412.9 View list
13 1110139982 Kock, L (Luca) 2 0.5 0 1 1 25.0 1417.9 -212.5 1205.4 View list
14 2120109366 Theron, C (Carla) 2 0.5 0 1 1 25.0 1313.3 -212.5 1100.8 View list
15 2110101741 De Waal, N (Nadine) 2 0.0 0 0 2 0.0 1298.6 -425.0 873.6 View list
16 1110103925 Keyter, ZC (Zarius Clarence) 2 0.0 0 0 2 0.0 1416.1 -425.0 991.1 View list
17 1130140475 Van Der Westhuizen, L (Lihan) 2 0.0 0 0 2 0.0 1344.3 -425.0 919.3 View list
18 1070112457 Bhula, S (Shyam Hitesh) 1 1.0 1 0 0 100.0 1240.9 425.0 1665.9 View list
19 1120108359 Bhudai, M (Milan) 1 1.0 1 0 0 100.0 1142.9 425.0 1567.9 View list
20 1810191616 Boshoff, R (Reinier) 1 1.0 1 0 0 100.0 1381.9 425.0 1806.9 View list