Chess South Africa
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Chess South Africa
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
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
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 rating
1313.9
Curent Weighted rating
1333.1
Curent Weighted performance
1228.0
Current official/published rating (highest between Raw, WR and WP)
1333.1
Current floor (min rating allowed)
953.9
Current highest rating achieved
1453.9
Current K-factor
32
Games played this month
14
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 rating
1379.4
Projected new Weighed rating
1338.0
Projected new Weighted performance
1228.0
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 rating
1453.9
Projected new floor
953.9
Projected new K-facor
32
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 rating
1299.0
Curent Weighted rating
1317.1
Curent Weighted performance
1227.6
Current official/published rating (highest between Raw, WR and WP)
1317.1
Current floor (min rating allowed)
946.9
Current highest rating achieved
1446.9
Current K-factor
32
Games played this month
14
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 rating
1378.0
Projected new Weighed rating
1323.0
Projected new Weighted performance
1227.6
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 rating
1446.9
Projected new floor
946.9
Projected new K-facor
32
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 rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
Current K-factor
36
Games played this month
0
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 rating
1200.0
Projected new Weighed rating
1200.0
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 rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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 rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
Current K-factor
36
Games played this month
0
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 rating
1200.0
Projected new Weighed rating
1200.0
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 rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Tournaments
History
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
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
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
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
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
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
1
2
Game History
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
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