Chess South Africa
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Chess South Africa
Wiehahn, L (Luke)
Dob:
2016/02/27 (U10)
Gender:
Male
Chess SA id:
1160148081
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
1355.5
Curent Weighted rating
1333.4
Curent Weighted performance
1295.1
Current official/published rating (highest between Raw, WR and WP)
1355.5
Current floor (min rating allowed)
864.6
Current highest rating achieved
1364.6
Current K-factor
36
Games played this month
14
Score (S)
9.5
Expected score (We)
8.33
Difference (S-We)
1.17
Current Raw change (no limits, including tournament time weight)
37.4
Current min/max change allowed (with limits)
±132.9
Current Raw change used (final)
37.4
Projected new Raw rating
1392.9
Projected new Weighed rating
1340.8
Projected new Weighted performance
1295.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1392.9
Projected effective change (new Official - current Official)
+37.4
Projected new highest rating
1392.9
Projected new floor
892.9
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
1361.1
Curent Weighted rating
1337.6
Curent Weighted performance
1296.3
Current official/published rating (highest between Raw, WR and WP)
1361.1
Current floor (min rating allowed)
870.8
Current highest rating achieved
1370.8
Current K-factor
36
Games played this month
14
Score (S)
9.5
Expected score (We)
8.48
Difference (S-We)
1.02
Current Raw change (no limits, including tournament time weight)
36.7
Current min/max change allowed (with limits)
±131.8
Current Raw change used (final)
36.7
Projected new Raw rating
1397.8
Projected new Weighed rating
1345.1
Projected new Weighted performance
1296.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1397.8
Projected effective change (new Official - current Official)
+36.7
Projected new highest rating
1397.8
Projected new floor
897.8
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
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 (U9 Boys)
Start:
2024/05/11
End:
2024/05/11
Host:
GTP
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
4.0
Main rating:
1355.5
Rating gain/loss:
23.0
Type rating:
1361.1
Rating gain/loss:
25.9
Analysis
Tournament:
South African Junior Closed Chess Championship 2024 (U8 Open)
Start:
2024/04/27
End:
2024/05/01
Host:
GE
Type:
Standard
Time:
120
Time weight:
1.00
Rounds:
9
Games:
9
Score:
5.5
Main rating:
1355.5
Rating gain/loss:
14.4
Type rating:
1361.1
Rating gain/loss:
10.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
2024 Gauteng North School District Individual Championships - D1 (U9 Boys)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1355.5
1361.1
Analysis
3
South African Junior Closed Chess Championship 2024 (U8 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
5.5
1355.5
1361.1
Analysis
2
2024 Tshwane Chess AHS Open Chess Tournament (E)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1335.8
1339.1
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U8)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1364.6
1370.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
13
2024 Gauteng North School District Individual Championships - D1 (U9 Boys)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1355.5
1361.1
Analysis
12
South African Junior Closed Chess Championship 2024 (U8 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
5.5
1355.5
1361.1
Analysis
11
2024 Tshwane Chess AHS Open Chess Tournament (E)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1335.8
1339.1
Analysis
10
2024 Gauteng Inter-Region Chess Championship (U8)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1364.6
1370.8
Analysis
9
2023 Etienne Lewis Closed Tournament (U8)
2023/08/26
2023/08/26
Tshwane (GTP)
Standard
90
0.94
6
6
4.0
1316.0
1310.7
Analysis
8
2023 Jacaranda Round Robin (U8)
2023/08/12
2023/08/12
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1316.0
1310.7
Analysis
7
2023 Elize Steenkamp Open Tournament (E)
2023/06/16
2023/06/16
Tshwane (GTP)
Standard
90
0.94
6
6
4.0
1339.6
1339.9
Analysis
6
Wynie Robbertse Open Tournament 2023 (E)
2023/06/03
2023/06/03
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1339.6
1339.9
Analysis
5
2023 Milos Ristic Open Tournament (F)
2023/04/27
2023/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1284.4
1290.8
Analysis
4
Silver Lakes Open Chess Tournament (F)
2023/04/15
2023/04/15
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1284.4
1290.8
Analysis
3
2023 Afrikaans Hoër Seunskool Open Chess Tournament (E)
2023/03/04
2023/03/04
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1303.2
1316.4
Analysis
2
2023 Tshwane Chess Open Registration Tournament (F)
2023/01/28
2023/01/28
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1232.4
1230.0
Analysis
1
2022 South African Junior Team Chess Championships (U8 Open+Girls)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
5
3.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
24
13
4
7
15.0
62.5
106.3
1283.9
1390.1
White
13
6
2
5
7.0
53.8
32.7
1281.3
1314.0
Black
11
7
2
2
8.0
72.7
193.2
1286.9
1480.1
Standard
All
24
13
4
7
15.0
62.5
106.3
1283.9
1390.1
White
13
6
2
5
7.0
53.8
32.7
1281.3
1314.0
Black
11
7
2
2
8.0
72.7
193.2
1286.9
1480.1
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
71
43
8
20
47.0
66.2
137.7
1238.8
1376.4
White
36
21
3
12
22.5
62.5
106.3
1241.5
1347.7
Black
35
22
5
8
24.5
70.0
170.0
1236.0
1406.0
Standard
All
71
43
8
20
47.0
66.2
137.7
1238.8
1376.4
White
36
21
3
12
22.5
62.5
106.3
1241.5
1347.7
Black
35
22
5
8
24.5
70.0
170.0
1236.0
1406.0
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1160151829
Erdogan, D (Demir)
3
2.0
2
0
1
66.7
1294.9
141.7
1436.6
View list
2
1160145195
Labuschagne, P (Phillip)
3
1.0
1
0
2
33.3
1301.3
-141.7
1159.6
View list
3
1170148678
Wiechers, N (Nicolaas)
3
1.0
1
0
2
33.3
1277.6
-141.7
1135.9
View list
4
1160157412
De Klerk, A (Amelia)
2
2.0
2
0
0
100.0
1327.8
425.0
1752.8
View list
5
2160159597
Rampersadh, M (Micah)
2
2.0
2
0
0
100.0
1316.0
425.0
1741.0
View list
6
1160148677
Roos, B (Benjamin)
2
2.0
2
0
0
100.0
1325.9
425.0
1750.9
View list
7
1170149169
Barkhuizen, R (Reuben)
2
1.5
1
1
0
75.0
1300.2
212.5
1512.7
View list
8
1150147655
Alberts, E (Enrico)
2
1.0
1
0
1
50.0
1294.0
0.0
1294.0
View list
9
1160148708
Venter, J (Jaco)
2
1.0
1
0
1
50.0
1360.0
0.0
1360.0
View list
10
1160153451
Fredericks, M (Matai)
2
0.0
0
0
2
0.0
1335.8
-425.0
910.8
View list
11
2160143809
Gerber, Z (Zoe)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
12
1160152443
Celliers, M (Morgan)
1
1.0
1
0
0
100.0
1355.5
425.0
1780.5
View list
13
1170145156
Botha, E (Erasmus Albertus)
1
1.0
1
0
0
100.0
1284.4
425.0
1709.4
View list
14
2140149175
Boshoff, M (Milah)
1
1.0
1
0
0
100.0
1339.6
425.0
1764.6
View list
15
1160138298
Beldon, D (Daniel)
1
1.0
1
0
0
100.0
1284.4
425.0
1709.4
View list
16
1150304358
Barnes, D (Derek)
1
1.0
1
0
0
100.0
1355.5
425.0
1780.5
View list
17
1170143024
Ebersohn, C (Christiaan)
1
1.0
1
0
0
100.0
1335.8
425.0
1760.8
View list
18
1150147659
Du Toit, W (Wilco)
1
1.0
1
0
0
100.0
1339.6
425.0
1764.6
View list
19
1160159686
Du Preez, E (Erich)
1
1.0
1
0
0
100.0
1316.0
425.0
1741.0
View list
20
2150147100
Dixon, G (Genevieve)
1
1.0
1
0
0
100.0
1303.2
425.0
1728.2
View list