Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Jonas, N (Ntlantla)
Dob:
2005/04/18 (U20)
Gender:
Male
Chess SA id:
1050097793
FIDE id:
Region:
Lejweleputswa (FLW)
Citizen:
RSA
Title(s):
Last active:
2020/02/08 (1749 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
Current Raw rating
1088.9
Current Weighted rating
1088.9
Current Weighted performance
412.8
Current official/published rating (highest between Raw, WR and WP)
1088.9
Current highest rating achieved
1151.6
Current floor (min rating allowed)
651.6
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)
±194.3
Current Raw change used (final)
0.0
Projected new Raw rating
1088.9
Projected new Weighed rating
1001.8
Projected new Weighted performance
412.8
Projected new final Raw rating (if new WP > new Raw)
1088.9
Projected new highest rating
1151.6
Projected new floor
651.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1088.9
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 rating
1086.2
Current Weighted rating
1086.2
Current Weighted performance
412.8
Current official/published rating (highest between Raw, WR and WP)
1086.2
Current highest rating achieved
1142.8
Current floor (min rating allowed)
642.8
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)
±195.0
Current Raw change used (final)
0.0
Projected new Raw rating
1086.2
Projected new Weighed rating
999.3
Projected new Weighted performance
412.8
Projected new final Raw rating (if new WP > new Raw)
1086.2
Projected new highest rating
1142.8
Projected new floor
642.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1086.2
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 rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
s
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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 rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
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
Lejweleputswa Club Challange 2020
2020/02/08
2020/02/08
Lejweleputswa (FLW)
Standard
62
0.84
5
5
3.0
995.9
992.8
Analysis
13
2019 South African Junior Team Championships (U16C)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
1.0
975.5
972.8
Analysis
12
Inter Regional Chess Championship 2019 (U16)
2019/05/10
2019/05/11
Mangaung (FMB)
Standard
60
0.83
5
5
2.5
900.5
885.6
Analysis
11
Lejweleputswa 5th Qualifier 2019 (U16)
2019/04/13
2019/04/13
Lejweleputswa (FLW)
Standard
62
0.84
5
5
2.5
848.4
819.2
Analysis
10
Lejweleputswa 4th Qualifying Swiss Open Tournament 2019 (C)
2019/03/16
2019/03/16
Lejweleputswa (FLW)
Standard
62
0.84
5
5
1.0
911.6
891.2
Analysis
9
Lejweleputswa 2nd Qualifying Swiss Open Tournament 2019 (C)
2019/01/26
2019/01/26
Lejweleputswa (FLW)
Standard
62
0.84
5
5
2.0
940.2
921.2
Analysis
8
South African Junior Team Championships 2018 (U14E)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
6
3.0
932.2
908.0
Analysis
7
Lejweleputswa 1st Qualifier 2019 (U16)
2018/10/27
2018/10/27
Lejweleputswa (FLW)
Standard
62
0.84
5
5
2.0
932.9
904.4
Analysis
6
Lejweleputswa 7th Qualifying Swiss Open Tournament 2018 (U14)
2018/06/23
2018/06/23
Lejweleputswa (FLW)
Standard
62
0.84
5
5
2.0
975.2
950.0
Analysis
5
Lejweleputswa 6th Qualifying Swiss Open Tournament 2018 (D)
2018/05/26
2018/05/26
Lejweleputswa (FLW)
Standard
62
0.84
5
5
2.5
1047.1
1024.4
Analysis
4
Inter Regional 2018 (U14 Individual)
2018/05/04
2018/05/05
Frances Baard (NCF)
Standard
60
0.83
5
5
2.0
1047.1
1024.4
Analysis
3
Lejweleputswa 5th Qualifying Swiss Open Tournament 2018 (U14)
2018/04/21
2018/04/21
Lejweleputswa (FLW)
Standard
62
0.84
5
5
3.0
1089.4
1069.2
Analysis
2
Lejweleputswa 4th Qualifying Swiss Open Tournament 2018 (D)
2018/03/10
2018/03/10
Lejweleputswa (FLW)
Standard
62
0.84
5
5
2.0
1151.6
1142.8
Analysis
1
Lejweleputswa 3rd Qualifying Swiss Open Tournament 2018 (U14)
2018/02/24
2018/02/24
Lejweleputswa (FLW)
Standard
62
0.84
5
5
2.5
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
73
29
4
40
31.0
42.5
-64.0
987.5
923.5
White
39
15
2
22
16.0
41.0
-76.3
980.5
904.2
Black
34
14
2
18
15.0
44.1
-50.0
995.5
945.5
Standard
All
73
29
4
40
31.0
42.5
-64.0
987.5
923.5
White
39
15
2
22
16.0
41.0
-76.3
980.5
904.2
Black
34
14
2
18
15.0
44.1
-50.0
995.5
945.5
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
105066066
Tsolo, K (Kgomotso)
4
1.0
1
0
3
25.0
1077.6
-212.5
865.1
View list
2
105003851
Buitendag, M (Marno)
3
3.0
3
0
0
100.0
1038.5
425.0
1463.5
View list
3
1040097802
Motsunye, B (Bokang)
2
2.0
2
0
0
100.0
1042.3
425.0
1467.3
View list
4
1050095995
Rambuda, F (Funi)
2
2.0
2
0
0
100.0
943.4
425.0
1368.4
View list
5
103065560
Die, M (Mohapi)
2
1.0
1
0
1
50.0
925.9
0.0
925.9
View list
6
1060095986
Mziki, L (Litha)
2
1.0
0
2
0
50.0
1123.5
0.0
1123.5
View list
7
105065548
Hendricks, UO (Uziel)
2
0.0
0
0
2
0.0
1011.2
-425.0
586.2
View list
8
104083569
Dlamini, V (Valentino)
2
0.0
0
0
2
0.0
890.6
-425.0
465.6
View list
9
1060095987
Maass, J (Janco)
2
0.0
0
0
2
0.0
1011.1
-425.0
586.1
View list
10
105083560
Masuku, M (Mxolosi)
2
0.0
0
0
2
0.0
1011.2
-425.0
586.2
View list
11
106083556
Mofolo, L (Lesedi)
2
0.0
0
0
2
0.0
1087.6
-425.0
662.6
View list
12
103065569
Nkosi, N (Nkosinathi)
2
0.0
0
0
2
0.0
925.9
-425.0
500.9
View list
13
105008026
Du Preez, E (Estiaan)
1
1.0
1
0
0
100.0
932.2
425.0
1357.2
View list
14
206049645
Jacobs, D (Dane)
1
1.0
1
0
0
100.0
1089.4
425.0
1514.4
View list
15
104012795
Holroyd, CC (Christopher)
1
1.0
1
0
0
100.0
900.5
425.0
1325.5
View list
16
106014912
Botes, A (Arne)
1
1.0
1
0
0
100.0
932.2
425.0
1357.2
View list
17
1030130712
Engelbrecht, J (Johannes)
1
1.0
1
0
0
100.0
995.9
425.0
1420.9
View list
18
2040107044
Lekale, N (Nthabeleng)
1
1.0
1
0
0
100.0
932.9
425.0
1357.9
View list
19
103080483
Lesia, K (Katleho)
1
1.0
1
0
0
100.0
1047.1
425.0
1472.1
View list
20
106044888
Lloyd, M (Markus)
1
1.0
1
0
0
100.0
932.2
425.0
1357.2
View list