Chess South Africa
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Chess South Africa
De Villiers, J (Juan)
Dob:
2009/03/19 (U16)
Gender:
Male
Chess SA id:
109082809
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2020/01/08 (1593 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
1236.1
Curent Weighted rating
1236.1
Curent Weighted performance
539.9
Current official/published rating (highest between Raw, WR and WP)
1236.1
Current floor (min rating allowed)
736.1
Current highest rating achieved
1236.1
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)
±157.5
Current Raw change used (final)
0.0
Projected new Raw rating
1236.1
Projected new Weighed rating
1236.1
Projected new Weighted performance
539.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1236.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1236.1
Projected new floor
736.1
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
1225.2
Curent Weighted rating
1225.2
Curent Weighted performance
535.4
Current official/published rating (highest between Raw, WR and WP)
1225.2
Current floor (min rating allowed)
725.2
Current highest rating achieved
1225.2
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)
±160.0
Current Raw change used (final)
0.0
Projected new Raw rating
1225.2
Projected new Weighed rating
1225.2
Projected new Weighted performance
535.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1225.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1225.2
Projected new floor
725.2
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
624.0
Curent Weighted rating
624.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
624.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
624.0
Current K-factor
40
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)
±376.7
Current Raw change used (final)
0.0
Projected new Raw rating
624.0
Projected new Weighed rating
624.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
624.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
624.0
Projected new floor
500.0
Projected new K-facor
40
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
624.0
Curent Weighted rating
624.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
624.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
624.0
Current K-factor
40
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)
±376.7
Current Raw change used (final)
0.0
Projected new Raw rating
624.0
Projected new Weighed rating
624.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
624.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
624.0
Projected new floor
500.0
Projected new K-facor
40
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
20
2019 South African Junior Team Championships (U12B)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
4.0
1230.7
1224.5
Analysis
19
GJM vs GE Inter Region 2019 (U12B)
2019/10/05
2019/10/05
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.5
1136.9
1124.7
Analysis
18
JNW Club - Maragon Open 2019 (C)
2019/08/03
2019/08/03
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1148.9
1133.5
Analysis
17
JHB Metro Closed 2019 (U12)
2019/07/27
2019/07/28
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
3.0
1123.3
1101.5
Analysis
16
Chess Heroes Junior Tournament 2019 (A)
2019/06/22
2019/06/22
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.5
1138.2
1125.1
Analysis
15
Fonties Challange 2019 (U11)
2019/06/08
2019/06/08
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1138.2
1125.1
Analysis
14
The Metro Open 2019 (Masters)
2019/05/25
2019/05/26
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
3.0
1175.4
1168.3
Analysis
13
JNW Club - Bryanston Open 2 2019 (C)
2019/05/11
2019/05/11
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
1.0
1175.4
1168.3
Analysis
12
Ekurhuleni Trials 2 2019 (U12)
2019/04/27
2019/04/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1130.9
1129.3
Analysis
11
Chessnuts Under 1200 6 April 2019 (Kings)
2019/04/06
2019/04/06
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1130.9
1129.3
Analysis
10
South African Junior Team Championships 2018 (U10B)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
4.0
1093.3
1093.7
Analysis
9
JNW Club - Maragon Open 2018 (U10)
2018/08/04
2018/08/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1044.8
1053.7
Analysis
8
JHB Metro Junior Closed 2018 (U10)
2018/07/28
2018/07/29
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
4.0
935.9
935.7
Analysis
7
Chessnuts - Under 1000 Ratings Tournament 2018 (A)
2018/07/21
2018/07/21
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
0.0
935.9
935.7
Analysis
6
Boksburg Chess Club Open 2018 (U10)
2018/07/14
2018/07/14
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
935.9
935.7
Analysis
5
JNW Club - Unika Scholar 2018 (U10)
2018/06/02
2018/06/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
814.5
846.4
Analysis
4
2018 Capablanca Swiss (D)
2018/04/27
2018/04/27
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
629.8
637.6
Analysis
3
JNW Club - Linden Open 2018 (U10)
2018/04/14
2018/04/14
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
629.8
637.6
Analysis
2
JNW Club - Trinityhouse Randpark Ridge Open 2018 (U10)
2018/03/24
2018/03/24
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.5
595.6
595.6
Analysis
1
South African Junior Team Championships 2017 (U10B)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
7
1.5
624.0
624.0
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
107
49
10
48
54.0
50.5
4.0
1096.1
1100.1
White
52
23
5
24
25.5
49.0
-8.2
1094.9
1086.8
Black
55
26
5
24
28.5
51.8
15.5
1097.2
1112.7
Standard
All
107
49
10
48
54.0
50.5
4.0
1096.1
1100.1
White
52
23
5
24
25.5
49.0
-8.2
1094.9
1086.8
Black
55
26
5
24
28.5
51.8
15.5
1097.2
1112.7
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
109073284
Sandenbergh, RF (Francois)
4
2.0
2
0
2
50.0
852.1
0.0
852.1
View list
2
210092814
Van Der Sandt, I (Iliana)
3
1.5
1
1
1
50.0
887.5
0.0
887.5
View list
3
1080099597
Rossouw, W (Wessel Johannes)
3
1.0
1
0
2
33.3
1068.3
-141.7
926.7
View list
4
109076135
Van Zyl, B (Benjamin)
3
1.0
1
0
2
33.3
680.0
-141.7
538.3
View list
5
110092271
Bennie, J (Johannes)
2
2.0
2
0
0
100.0
990.3
425.0
1415.3
View list
6
2080103444
Onyemah, C (Chioma)
2
0.5
0
1
1
25.0
1156.8
-212.5
944.3
View list
7
109086017
Roetz, K (Kyle)
2
0.5
0
1
1
25.0
765.8
-212.5
553.3
View list
8
202010660
Goldstuck, Z (Zianda)
2
0.0
0
0
2
0.0
1153.2
-425.0
728.2
View list
9
110091702
Van Heerden, F (Freddie)
2
0.0
0
0
2
0.0
990.3
-425.0
565.3
View list
10
109059744
Voigt, D (Daniel)
2
0.0
0
0
2
0.0
968.9
-425.0
543.9
View list
11
1080097261
Bacharam, B (Bivesh)
1
1.0
1
0
0
100.0
1230.7
425.0
1655.7
View list
12
205069709
Bothma, I (Isabella)
1
1.0
1
0
0
100.0
1175.4
425.0
1600.4
View list
13
1100100199
Botha, T (Tyler)
1
1.0
1
0
0
100.0
1093.3
425.0
1518.3
View list
14
110091709
Botes, E (Evan)
1
1.0
1
0
0
100.0
1130.9
425.0
1555.9
View list
15
109081022
Cass, M (Matthew)
1
1.0
1
0
0
100.0
935.9
425.0
1360.9
View list
16
1080112252
Desmore, K (Kyle)
1
1.0
1
0
0
100.0
1130.9
425.0
1555.9
View list
17
108088044
Deans, J (Jarred)
1
1.0
1
0
0
100.0
1130.9
425.0
1555.9
View list
18
1090112136
Dziwa, F (Farai)
1
1.0
1
0
0
100.0
1175.4
425.0
1600.4
View list
19
1100096766
Du Preez, J (Julian)
1
1.0
1
0
0
100.0
629.8
425.0
1054.8
View list
20
1110099290
Gough, R (Rowan)
1
1.0
1
0
0
100.0
1175.4
425.0
1600.4
View list