Chess South Africa
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Chess South Africa
Rogers, J (Jonah)
Dob:
2006/07/02 (U20)
Gender:
Male
Chess SA id:
1060111670
FIDE id:
Region:
Chess South Africa (CSA)
Citizen:
RSA
Title(s):
Last active:
2019/05/04 (2031 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
1275.2
Current Weighted rating
1275.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1275.2
Current highest rating achieved
1275.2
Current floor (min rating allowed)
775.2
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)
±149.0
Current Raw change used (final)
0.0
Projected new Raw rating
1275.2
Projected new Weighed rating
1173.2
Projected new Weighted performance
250.5
Projected new final Raw rating (if new WP > new Raw)
1275.2
Projected new highest rating
1275.2
Projected new floor
775.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1275.2
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
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
1318.9
Current Weighted rating
1318.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1318.9
Current highest rating achieved
1318.9
Current floor (min rating allowed)
818.9
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)
±140.0
Current Raw change used (final)
0.0
Projected new Raw rating
1318.9
Projected new Weighed rating
1213.4
Projected new Weighted performance
263.6
Projected new final Raw rating (if new WP > new Raw)
1318.9
Projected new highest rating
1318.9
Projected new floor
818.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1318.9
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
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
2
Merensky 2019 (U14)
2019/05/04
2019/05/04
Mopani (LMG)
Rapid
30
0.60
5
5
3.5
1259.0
1298.4
Analysis
1
Drakensig Primary 2019 (U14)
2019/03/09
2019/03/09
Mopani (LMG)
Rapid
30
0.60
5
5
5.0
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
10
8
1
1
8.5
85.0
297.5
1204.9
1502.4
White
5
4
0
1
4.0
80.0
255.0
1212.2
1467.2
Black
5
4
1
0
4.5
90.0
340.0
1197.6
1537.6
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
10
8
1
1
8.5
85.0
297.5
1204.9
1502.4
White
5
4
0
1
4.0
80.0
255.0
1212.2
1467.2
Black
5
4
1
0
4.5
90.0
340.0
1197.6
1537.6
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
1070111674
Letshwenyo, T (Tshepo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1070111672
Engelbrecht, A (Anrich)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
207072214
Crombie, A (Attiyyah)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
2070116332
Coetzee, A (Amore)
1
1.0
1
0
0
100.0
1259.0
425.0
1684.0
View list
5
2070111684
Cloete, D (Diane)
1
1.0
1
0
0
100.0
1259.0
425.0
1684.0
View list
6
1070111643
Pati, A (Aman)
1
1.0
1
0
0
100.0
1259.0
425.0
1684.0
View list
7
1060111697
Malatji, T (Tshepiso)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
1060111699
Makgobatlou, T (Thabiso)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
107072221
Lourens, P (Prieur)
1
0.5
0
1
0
50.0
1259.0
0.0
1259.0
View list
10
1060111657
Severin, M (Martin)
1
0.0
0
0
1
0.0
1259.0
-425.0
834.0
View list
