Player Page

De Vries, JZ (Justin Zaan)
Dob: 2006/05/17 (U20)
Gender: Male
Chess SA id: 1060118255
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2019/08/23 (1920 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 rating1189.0
Current Weighted rating1189.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1189.0
Current highest rating achieved1189.0
Current floor (min rating allowed)689.0
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)±168.4
Current Raw change used (final)0.0
Projected new Raw rating1189.0
Projected new Weighed rating1093.9
Projected new Weighted performance122.2
Projected new final Raw rating (if new WP > new Raw)1189.0
Projected new highest rating1189.0
Projected new floor689.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1189.0
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 rating1186.8
Current Weighted rating1186.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1186.8
Current highest rating achieved1186.8
Current floor (min rating allowed)686.8
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)±169.0
Current Raw change used (final)0.0
Projected new Raw rating1186.8
Projected new Weighed rating1091.9
Projected new Weighted performance122.2
Projected new final Raw rating (if new WP > new Raw)1186.8
Projected new highest rating1186.8
Projected new floor686.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1186.8
Projected effective change (new Official - current Official)=0.0
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 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
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
1 2019 Gauteng School League Finals (U13 Open) 2019/08/23 2019/08/23 Tshwane (GTP) Standard 60 0.83 5 5 3.0 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 5 3 0 2 3.0 60.0 85.0 985.5 1070.5
White 3 1 0 2 1.0 33.3 -141.7 1047.3 905.6
Black 2 2 0 0 2.0 100.0 425.0 892.9 1317.9
Standard All 5 3 0 2 3.0 60.0 85.0 985.5 1070.5
White 3 1 0 2 1.0 33.3 -141.7 1047.3 905.6
Black 2 2 0 0 2.0 100.0 425.0 892.9 1317.9
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 2070118250 Mgonogono, S (Sinenhlanhla) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 206050588 Malan, C (Chanel) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 106079862 Wolhuter, BJ (Bryce) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1070118273 Ndlovu, DB (Dumolwayo Brilliant) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
5 106065935 Khoza, G (Gontse) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list