Player Page

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 (355 days ago)
Ratings
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 rating1213.8
Curent Weighted rating1216.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1216.7
Current floor (min rating allowed)727.2
Current highest rating achieved1227.2
Current K-factor36
Games played this month0
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 rating1213.8
Projected new Weighed rating1216.3
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1216.3
Projected effective change (new Official - current Official)-0.5
Projected new highest rating1227.2
Projected new floor727.2
Projected new K-facor36
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 rating1212.8
Curent Weighted rating1216.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1216.8
Current floor (min rating allowed)731.2
Current highest rating achieved1231.2
Current K-factor36
Games played this month0
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 rating1212.8
Projected new Weighed rating1216.2
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1216.2
Projected effective change (new Official - current Official)-0.7
Projected new highest rating1231.2
Projected new floor731.2
Projected new K-facor36
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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