Chess South Africa
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Chess South Africa
Van Der Merwe, L (Logan)
Dob:
2009/01/27 (U16)
Gender:
Male
Chess SA id:
1090101491
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2020/02/01 (1567 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
1229.2
Curent Weighted rating
1229.2
Curent Weighted performance
546.0
Current official/published rating (highest between Raw, WR and WP)
1229.2
Current floor (min rating allowed)
748.5
Current highest rating achieved
1248.5
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)
±159.1
Current Raw change used (final)
0.0
Projected new Raw rating
1229.2
Projected new Weighed rating
1229.2
Projected new Weighted performance
546.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1229.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1248.5
Projected new floor
748.5
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
1162.7
Curent Weighted rating
1162.7
Curent Weighted performance
477.4
Current official/published rating (highest between Raw, WR and WP)
1162.7
Current floor (min rating allowed)
758.4
Current highest rating achieved
1258.4
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)
±174.9
Current Raw change used (final)
0.0
Projected new Raw rating
1162.7
Projected new Weighed rating
1162.7
Projected new Weighted performance
477.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1162.7
Projected effective change (new Official - current Official)
-0.0
Projected new highest rating
1258.4
Projected new floor
758.4
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
1320.0
Curent Weighted rating
1320.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1320.0
Current floor (min rating allowed)
820.0
Current highest rating achieved
1320.0
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)
±139.8
Current Raw change used (final)
0.0
Projected new Raw rating
1320.0
Projected new Weighed rating
1320.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1320.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1320.0
Projected new floor
820.0
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)
820.0
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
820.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
14
Laerskool Oosterkruin 2020 (U11)
2020/02/01
2020/02/01
Ekurhuleni (GE)
Rapid
30
0.60
6
6
6.0
1175.4
1200.0
Analysis
13
2019 Wild Card Chess Championship (U12 Open)
2020/01/09
2020/01/12
4 Knights (4K)
Standard
120
1.00
7
5
0.0
1197.4
1187.2
Analysis
12
2019 South African Junior Team Championships (U12E)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
6.0
1197.4
1187.2
Analysis
11
Boksburg Chess Club Open 2019 (C)
2019/07/13
2019/07/13
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1211.4
1204.1
Analysis
10
2019 RMS Laerskole (U11)
2019/06/01
2019/06/01
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1161.2
1147.2
Analysis
9
Ekurhuleni South School Chess 2019 (U11 Boys)
2019/05/11
2019/05/11
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.5
1172.3
1159.8
Analysis
8
Ekurhuleni Trials 2 2019 (U12)
2019/04/27
2019/04/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1174.7
1164.1
Analysis
7
Primrose Chess Club Open 2019 (C)
2019/04/13
2019/04/13
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1174.7
1164.1
Analysis
6
Ekurhuleni Trials 1 2019 (U12)
2019/03/09
2019/03/09
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.5
1160.7
1146.1
Analysis
5
Springs Chess Club Open 2019 (C)
2019/02/09
2019/02/09
Ekurhuleni (GE)
Standard
60
0.83
5
5
1.0
1224.9
1227.8
Analysis
4
Boksburg Open 2019 (C)
2019/01/19
2019/01/19
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1214.4
1213.4
Analysis
3
Ekurhuleni North District Schools Final 2018 (U9)
2018/08/04
2018/08/04
Ekurhuleni (GE)
Standard
60
0.83
5
4
2.0
1215.9
1215.2
Analysis
2
Ekurhuleni Trials 3 2018 (U10)
2018/06/16
2018/06/16
Ekurhuleni (GE)
Standard
60
0.83
5
4
2.0
1248.5
1258.4
Analysis
1
Ekurhuleni North Schools Individuals 2018
2018/05/12
2018/05/12
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
Standard
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
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
40
2
29
41.0
57.7
65.8
1143.6
1209.5
White
35
23
1
11
23.5
67.1
145.7
1160.3
1306.0
Black
36
17
1
18
17.5
48.6
-11.8
1127.4
1115.6
Standard
All
65
34
2
29
35.0
53.8
32.7
1147.4
1180.1
White
32
20
1
11
20.5
64.1
119.5
1158.7
1278.2
Black
33
14
1
18
14.5
43.9
-51.5
1136.4
1084.9
Rapid
All
6
6
0
0
6.0
100.0
425.0
1103.3
1528.3
White
3
3
0
0
3.0
100.0
425.0
1178.1
1603.1
Black
3
3
0
0
3.0
100.0
425.0
1028.4
1453.4
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
2090101531
De Lange, N (Nadia)
2
2.0
2
0
0
100.0
1186.4
425.0
1611.4
View list
2
1090101509
Janse Van Vuuren, A (Alexander)
2
2.0
2
0
0
100.0
1187.7
425.0
1612.7
View list
3
2090107793
King, D (Danielle)
2
2.0
2
0
0
100.0
1219.7
425.0
1644.7
View list
4
1000101483
Mkubalo, O (Olwethu)
2
2.0
2
0
0
100.0
1208.0
425.0
1633.0
View list
5
1090101507
Griffiths, J (Jason)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
1000101508
Giles, E (Ethan Jayden)
1
1.0
1
0
0
100.0
1215.9
425.0
1640.9
View list
7
109076152
Friedrich, R (Ruhan)
1
1.0
1
0
0
100.0
1197.4
425.0
1622.4
View list
8
2090101541
Fourie, A (Angelique)
1
1.0
1
0
0
100.0
1175.4
425.0
1600.4
View list
9
1090116450
El Qouar, T (Tamir)
1
1.0
1
0
0
100.0
1161.2
425.0
1586.2
View list
10
2090098094
Albanie, A (Anzelle)
1
1.0
1
0
0
100.0
1197.4
425.0
1622.4
View list
11
2080102043
Buhle, G (Gwebecimele)
1
1.0
1
0
0
100.0
1214.4
425.0
1639.4
View list
12
2100097359
Bothma, J (Jaculene)
1
1.0
1
0
0
100.0
1248.5
425.0
1673.5
View list
13
1090130257
Barnard, H (Hayden)
1
1.0
1
0
0
100.0
1175.4
425.0
1600.4
View list
14
2080106510
De Lange, C (Charend)
1
1.0
1
0
0
100.0
1211.4
425.0
1636.4
View list
15
108088044
Deans, J (Jarred)
1
1.0
1
0
0
100.0
1160.7
425.0
1585.7
View list
16
1000101498
De Witte, K (Keagan Matthew)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
17
1070111965
Haak, J (Jordan)
1
1.0
1
0
0
100.0
1174.7
425.0
1599.7
View list
18
2090101537
Huebsch, J (Jessica)
1
1.0
1
0
0
100.0
1175.4
425.0
1600.4
View list
19
106081190
Huma, N (Neo Thimane)
1
1.0
1
0
0
100.0
1214.4
425.0
1639.4
View list
20
1080098201
Janse Van Rensburg, J (Jayden)
1
1.0
1
0
0
100.0
1160.7
425.0
1585.7
View list