Player Page

Jonkers, J (Juwelle)
Dob: 2008/01/23 (U18)
Gender: Female
Chess SA id: 2080146192
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2023/08/26 (305 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
Current Raw rating1057.1
Current Weighted rating1077.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1077.7
Current highest rating achieved1161.8
Current floor (min rating allowed)661.8
Current K-factor40
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)±203.3
Current Raw change used (final)0.0
Projected new Raw rating1057.1
Projected new Weighed rating989.5
Projected new Weighted performance559.8
Projected new final Raw rating (if new WP > new Raw)1057.1
Projected new highest rating1161.8
Projected new floor661.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1057.1
Projected effective change (new Official - current Official)-20.6
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 rating1090.8
Current Weighted rating1096.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1096.9
Current highest rating achieved1154.4
Current floor (min rating allowed)654.4
Current K-factor40
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)±193.7
Current Raw change used (final)0.0
Projected new Raw rating1090.8
Projected new Weighed rating1008.0
Projected new Weighted performance443.9
Projected new final Raw rating (if new WP > new Raw)1090.8
Projected new highest rating1154.4
Projected new floor654.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1090.8
Projected effective change (new Official - current Official)-6.1
s
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 rating1100.8
Current Weighted rating1130.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1130.9
Current highest rating achieved1100.8
Current floor (min rating allowed)600.8
Current K-factor40
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)±191.0
Current Raw change used (final)0.0
Projected new Raw rating1100.8
Projected new Weighed rating1038.5
Projected new Weighted performance225.7
Projected new final Raw rating (if new WP > new Raw)1100.8
Projected new highest rating1100.8
Projected new floor600.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1100.8
Projected effective change (new Official - current Official)-30.1
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 CW Top Schools 2023 (U15 Mix) 2023/08/26 2023/08/26 Cape Winelands (WCW) Rapid 32 0.63 5 5 0.0 1108.0 1200.0 Analysis
2 Cape Winelands Schools Chess - Trials 1 2023 (U15 Girls) 2023/02/25 2023/02/25 Cape Winelands (WCW) Standard 60 0.83 5 5 1.0 1161.8 1154.4 Analysis
1 Cape Winelands Schools Top Schools 2022 (U15+U18 Girls) 2022/08/27 2022/08/27 Cape Winelands (WCW) Standard 60 0.83 5 4 1.0 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 14 2 0 12 2.0 14.3 -303.6 1164.9 861.3
White 7 0 0 7 0.0 0.0 -425.0 1169.9 744.9
Black 7 2 0 5 2.0 28.6 -182.1 1159.9 977.7
Standard All 9 2 0 7 2.0 22.2 -236.1 1155.8 919.7
White 5 0 0 5 0.0 0.0 -425.0 1169.5 744.5
Black 4 2 0 2 2.0 50.0 0.0 1138.8 1138.8
Rapid All 5 0 0 5 0.0 0.0 -425.0 1181.2 756.2
White 2 0 0 2 0.0 0.0 -425.0 1170.9 745.9
Black 3 0 0 3 0.0 0.0 -425.0 1188.0 763.0
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 2040146189 Faro, R (Riandra) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 208087356 Jansen, D (Dianay) 1 1.0 1 0 0 100.0 1161.8 425.0 1586.8 View list
3 1080137718 Windvogel, A (Adrianno) 1 0.0 0 0 1 0.0 1108.0 -425.0 683.0 View list
4 2090137492 Walters, M (Mia) 1 0.0 0 0 1 0.0 1161.8 -425.0 736.8 View list
5 1080161486 Page, C (Connor) 1 0.0 0 0 1 0.0 1108.0 -425.0 683.0 View list
6 2070146197 Oosthuizen, H (Haylee) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
7 2080097996 Mookadam, A (Amina) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 1080135525 Mjungu, L (Lubabalo Emmanuel) 1 0.0 0 0 1 0.0 1108.0 -425.0 683.0 View list
9 2080137623 Isidore, E (Edith) 1 0.0 0 0 1 0.0 1108.0 -425.0 683.0 View list
10 2090132320 Hugo, G (Grace) 1 0.0 0 0 1 0.0 1161.8 -425.0 736.8 View list
11 1080151249 Grobler, R (Reinhart) 1 0.0 0 0 1 0.0 1108.0 -425.0 683.0 View list
12 2090145674 Du Plessis, M (Madelein) 1 0.0 0 0 1 0.0 1161.8 -425.0 736.8 View list
13 2090137487 Cloete, Z (Zoe) 1 0.0 0 0 1 0.0 1161.8 -425.0 736.8 View list
14 2050117675 Baai, R (Rozaan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list