Chess South Africa
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Chess South Africa
Jonas, OJ (Olebogeng)
Dob:
1999/09/27 (Adult)
Gender:
Male
Chess SA id:
199054844
FIDE id:
Region:
Xhariep (FXT)
Citizen:
RSA
Title(s):
Last active:
2019/12/06 (1627 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
1272.6
Curent Weighted rating
1272.6
Curent Weighted performance
391.4
Current official/published rating (highest between Raw, WR and WP)
1272.6
Current floor (min rating allowed)
772.6
Current highest rating achieved
1272.6
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)
±149.5
Current Raw change used (final)
0.0
Projected new Raw rating
1272.6
Projected new Weighed rating
1272.6
Projected new Weighted performance
391.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1272.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1272.6
Projected new floor
772.6
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
1275.8
Curent Weighted rating
1275.8
Curent Weighted performance
391.3
Current official/published rating (highest between Raw, WR and WP)
1275.8
Current floor (min rating allowed)
775.8
Current highest rating achieved
1275.8
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)
±148.8
Current Raw change used (final)
0.0
Projected new Raw rating
1275.8
Projected new Weighed rating
1275.8
Projected new Weighted performance
391.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1275.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1275.8
Projected new floor
775.8
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
1233.0
Curent Weighted rating
1233.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1233.0
Current floor (min rating allowed)
733.0
Current highest rating achieved
1233.0
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)
±158.2
Current Raw change used (final)
0.0
Projected new Raw rating
1233.0
Projected new Weighed rating
1233.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1233.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1233.0
Projected new floor
733.0
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
1233.0
Curent Weighted rating
1233.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1233.0
Current floor (min rating allowed)
733.0
Current highest rating achieved
1233.0
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)
±158.2
Current Raw change used (final)
0.0
Projected new Raw rating
1233.0
Projected new Weighed rating
1233.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1233.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1233.0
Projected new floor
733.0
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
5
2019 USSA Championships (Open)
2019/12/02
2019/12/06
Sarah Baartman (ESB)
Standard
90
0.94
9
9
4.0
1235.4
1239.8
Analysis
4
Kimberley Chess Club Open FIDE Tournament 2018
2018/04/06
2018/04/07
Frances Baard (NCF)
Standard
90
0.94
5
5
3.0
1238.1
1242.3
Analysis
3
Moja Chess Club Open Tournament 2018 (A)
2018/03/02
2018/03/04
Frances Baard (NCF)
Standard
90
0.94
6
6
4.0
1189.4
1189.4
Analysis
2
South African Inter Regional Championships 2017
2018/01/09
2018/01/12
4 Knights (4K)
Standard
120
1.00
7
7
2.0
1233.0
1233.0
Analysis
1
South African Junior Team Championships 2017 (U20B)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
7
2.5
1233.0
1233.0
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
34
15
1
18
15.5
45.6
-37.5
1314.3
1276.8
White
18
6
1
11
6.5
36.1
-118.1
1306.4
1188.4
Black
16
9
0
7
9.0
56.3
53.1
1323.1
1376.2
Standard
All
34
15
1
18
15.5
45.6
-37.5
1314.3
1276.8
White
18
6
1
11
6.5
36.1
-118.1
1306.4
1188.4
Black
16
9
0
7
9.0
56.3
53.1
1323.1
1376.2
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
175052244
Hattingh, GN (Gerhardus)
1
1.0
1
0
0
100.0
1233.0
425.0
1658.0
View list
2
200007735
Du Plessis, AC (Anika)
1
1.0
1
0
0
100.0
1233.0
425.0
1658.0
View list
3
197095828
Dickinson, TA (Timothy)
1
1.0
1
0
0
100.0
1233.0
425.0
1658.0
View list
4
107050311
Daniels, O (Owethu)
1
1.0
1
0
0
100.0
1238.1
425.0
1663.1
View list
5
199054847
Louw, IL (Isaac)
1
1.0
1
0
0
100.0
1189.4
425.0
1614.4
View list
6
1010119867
Mamorare, O (Olefile)
1
1.0
1
0
0
100.0
1235.4
425.0
1660.4
View list
7
186052848
Mupazviriwo, RF (Robert F)
1
1.0
1
0
0
100.0
1235.4
425.0
1660.4
View list
8
198084828
Moshweu, T (Thuto)
1
1.0
1
0
0
100.0
1189.4
425.0
1614.4
View list
9
190066198
Moroke, G (Gavin)
1
1.0
1
0
0
100.0
1189.4
425.0
1614.4
View list
10
101024593
Moloto, N (Nnani)
1
1.0
1
0
0
100.0
1233.0
425.0
1658.0
View list
11
202024514
Moller, N (Nicole)
1
1.0
1
0
0
100.0
1238.1
425.0
1663.1
View list
12
197069824
Mlungu, K (Khaka)
1
1.0
1
0
0
100.0
1235.4
425.0
1660.4
View list
13
188026859
Ndabambi, ME (Mpo)
1
1.0
1
0
0
100.0
1189.4
425.0
1614.4
View list
14
198059866
Phakathi, M (Lunga)
1
1.0
1
0
0
100.0
1235.4
425.0
1660.4
View list
15
183066210
Vorster, N (Norman)
1
1.0
1
0
0
100.0
1238.1
425.0
1663.1
View list
16
198065504
Jaars, T (Thomas)
1
0.5
0
1
0
50.0
1233.0
0.0
1233.0
View list
17
100054558
Mathebe, K (Koketso)
1
0.0
0
0
1
0.0
1235.4
-425.0
810.4
View list
18
198023513
Mnisi, T (Trevor)
1
0.0
0
0
1
0.0
1233.0
-425.0
808.0
View list
19
100073082
Makatees, I (Innocent)
1
0.0
0
0
1
0.0
1238.1
-425.0
813.1
View list
20
198088857
Madlala, S (Sqobile)
1
0.0
0
0
1
0.0
1235.4
-425.0
810.4
View list