Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Otto, J (Janco)
Dob:
2009/01/13 (U16)
Gender:
Male
Chess SA id:
109069965
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2022/04/23 (887 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
735.4
Current Weighted rating
735.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
735.4
Current highest rating achieved
735.4
Current floor (min rating allowed)
500.0
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)
±321.4
Current Raw change used (final)
0.0
Projected new Raw rating
735.4
Projected new Weighed rating
676.6
Projected new Weighted performance
392.9
Projected new final Raw rating (if new WP > new Raw)
735.4
Projected new highest rating
735.4
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
735.4
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
584.4
Current Weighted rating
550.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
584.4
Current highest rating achieved
584.4
Current floor (min rating allowed)
500.0
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)
±398.6
Current Raw change used (final)
0.0
Projected new Raw rating
584.4
Projected new Weighed rating
508.1
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
584.4
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
584.4
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
865.2
Current Weighted rating
865.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
865.2
Current highest rating achieved
865.2
Current floor (min rating allowed)
500.0
Current K-factor
40
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)
±267.2
Current Raw change used (final)
0.0
Projected new Raw rating
865.2
Projected new Weighed rating
796.0
Projected new Weighted performance
413.6
Projected new final Raw rating (if new WP > new Raw)
865.2
Projected new highest rating
865.2
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
865.2
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
500.0
Current Weighted rating
500.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
500.0
Current highest rating achieved
500.0
Current floor (min rating allowed)
500.0
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)
±449.5
Current Raw change used (final)
0.0
Projected new Raw rating
500.0
Projected new Weighed rating
460.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
500.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
500.0
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
3
D4 Individuals 2022 (U13 Open)
2022/04/23
2022/04/23
Tshwane (GTP)
Rapid
30
0.60
7
7
3.0
665.1
753.6
Analysis
2
2019 Super 12 Laerskole (Juniors)
2019/05/04
2019/05/04
Tshwane (GTP)
Rapid
30
0.60
5
5
2.0
619.3
698.8
Analysis
1
2018 Super 12 (Junior)
2018/05/05
2018/05/05
Tshwane (GTP)
Rapid
30
0.60
5
5
5.0
500.0
500.0
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
17
10
0
7
10.0
58.8
75.0
1165.6
1240.6
White
8
5
0
3
5.0
62.5
106.3
1169.1
1275.3
Black
9
5
0
4
5.0
55.6
47.2
1162.4
1209.6
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
17
10
0
7
10.0
58.8
75.0
1165.6
1240.6
White
8
5
0
3
5.0
62.5
106.3
1169.1
1275.3
Black
9
5
0
4
5.0
55.6
47.2
1162.4
1209.6
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
2110096353
Janse Van Vuuren, M (Mari)
1
1.0
1
0
0
100.0
500.0
425.0
925.0
View list
2
1090139995
Coetzee, C (Cuan)
1
1.0
1
0
0
100.0
665.1
425.0
1090.1
View list
3
1080101025
Booysen, A (Aj)
1
1.0
1
0
0
100.0
500.0
425.0
925.0
View list
4
1100101057
Smit, S (Stephan)
1
1.0
1
0
0
100.0
500.0
425.0
925.0
View list
5
1090114792
Schutte, K (Kian)
1
1.0
1
0
0
100.0
619.3
425.0
1044.3
View list
6
1090140002
Roeloffze, D (Dian)
1
1.0
1
0
0
100.0
665.1
425.0
1090.1
View list
7
109085207
Nel, H (Henco)
1
1.0
1
0
0
100.0
619.3
425.0
1044.3
View list
8
208086778
Lange, E (Emily)
1
1.0
1
0
0
100.0
500.0
425.0
925.0
View list
9
1100119500
Van Der Merwe, R (Ruben)
1
1.0
1
0
0
100.0
665.1
425.0
1090.1
View list
10
108082054
Wheeler, H (Henert)
1
1.0
1
0
0
100.0
500.0
425.0
925.0
View list
11
109092906
Vrey, IE (Ivan Eugene)
1
0.0
0
0
1
0.0
619.3
-425.0
194.3
View list
12
2110114801
Van Der Merwe, D (Danika)
1
0.0
0
0
1
0.0
619.3
-425.0
194.3
View list
13
1100107186
Stols, N (Nathan)
1
0.0
0
0
1
0.0
665.1
-425.0
240.1
View list
14
109087838
Kleynhans, JC (Jacob Cornelius)
1
0.0
0
0
1
0.0
665.1
-425.0
240.1
View list
15
1090140001
Pryra, J (Jonathan Dillian)
1
0.0
0
0
1
0.0
665.1
-425.0
240.1
View list
16
209075200
Olivier, L (Lienke)
1
0.0
0
0
1
0.0
619.3
-425.0
194.3
View list
17
1090104250
Bhudai, A (Arman)
1
0.0
0
0
1
0.0
665.1
-425.0
240.1
View list