Chess South Africa
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Chess South Africa
Diederiks, J (Jonathan)
Dob:
2008/01/08 (U18)
Gender:
Male
Chess SA id:
1080115215
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2023/05/27 (547 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
1213.8
Current Weighted rating
1214.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1214.5
Current highest rating achieved
1227.2
Current floor (min rating allowed)
727.2
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)
±162.6
Current Raw change used (final)
0.0
Projected new Raw rating
1213.8
Projected new Weighed rating
1117.1
Projected new Weighted performance
514.2
Projected new final Raw rating (if new WP > new Raw)
1213.8
Projected new highest rating
1227.2
Projected new floor
727.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1213.8
Projected effective change (new Official - current Official)
-0.7
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
1212.8
Current Weighted rating
1213.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1213.7
Current highest rating achieved
1231.2
Current floor (min rating allowed)
731.2
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)
±162.8
Current Raw change used (final)
0.0
Projected new Raw rating
1212.8
Projected new Weighed rating
1116.4
Projected new Weighted performance
514.2
Projected new final Raw rating (if new WP > new Raw)
1212.8
Projected new highest rating
1231.2
Projected new floor
731.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1212.8
Projected effective change (new Official - current Official)
-0.9
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
3
Gauteng Schools Individual Finals 2023 (U15 Boys)
2023/05/27
2023/05/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1227.2
1231.2
Analysis
2
Springs Open 2019 (C)
2019/08/31
2019/08/31
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
1
2019 Gauteng School League Finals (U11 Open)
2019/08/23
2019/08/23
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
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
15
8
0
7
8.0
53.3
28.3
1203.9
1232.2
White
8
5
0
3
5.0
62.5
106.3
1185.4
1291.7
Black
7
3
0
4
3.0
42.9
-60.7
1225.0
1164.3
Standard
All
15
8
0
7
8.0
53.3
28.3
1203.9
1232.2
White
8
5
0
3
5.0
62.5
106.3
1185.4
1291.7
Black
7
3
0
4
3.0
42.9
-60.7
1225.0
1164.3
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
209088663
Mahne, A (Anika)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
2100101517
Lovett, S (Saffron)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1080101227
Nhamposse, YL (Yamkela Lumbani Jnr)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1100118189
Monehela, T (Tsholofelo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1100143354
Mokele, R (Reabetsoe)
1
1.0
1
0
0
100.0
1227.2
425.0
1652.2
View list
6
2080118158
Dubazana, O (Olwethu)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1080155440
Redgard, A (Andre)
1
1.0
1
0
0
100.0
1227.2
425.0
1652.2
View list
8
2080118661
Zwane, N (Ntokozo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
108093911
Rothmann, WR (Willem Ruwan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
1080155435
Nyakane, K (Ketso)
1
0.0
0
0
1
0.0
1227.2
-425.0
802.2
View list
11
108052034
Du Toit, SJM (Stephanus (Matteo))
1
0.0
0
0
1
0.0
1227.2
-425.0
802.2
View list
12
1080113580
Buthelezi, N (Nkanyiso)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
13
1080155429
Mapasa, W (Wandile)
1
0.0
0
0
1
0.0
1227.2
-425.0
802.2
View list
14
1060096801
Greyling, D (Duncan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
110095048
Gibbens, A (Allan)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
