Player Page

Du Preez, J (Juan)
Dob: 2010/03/01 (U16)
Gender: Male
Chess SA id: 1100096323
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2022/05/28 (909 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 rating1067.2
Current Weighted rating1067.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1067.2
Current highest rating achieved1150.5
Current floor (min rating allowed)650.5
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)±200.4
Current Raw change used (final)0.0
Projected new Raw rating1067.2
Projected new Weighed rating981.8
Projected new Weighted performance332.2
Projected new final Raw rating (if new WP > new Raw)1067.2
Projected new highest rating1150.5
Projected new floor650.5
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1067.2
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 rating1022.8
Current Weighted rating1022.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1022.8
Current highest rating achieved1140.4
Current floor (min rating allowed)640.4
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)±213.4
Current Raw change used (final)0.0
Projected new Raw rating1022.8
Projected new Weighed rating941.0
Projected new Weighted performance108.0
Projected new final Raw rating (if new WP > new Raw)1022.8
Projected new highest rating1140.4
Projected new floor640.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1022.8
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 rating1195.2
Current Weighted rating1195.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1195.2
Current highest rating achieved1195.2
Current floor (min rating allowed)695.2
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)±167.0
Current Raw change used (final)0.0
Projected new Raw rating1195.2
Projected new Weighed rating1099.6
Projected new Weighted performance263.9
Projected new final Raw rating (if new WP > new Raw)1195.2
Projected new highest rating1195.2
Projected new floor695.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1195.2
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 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
4 RMS Swiss For Rating of Players 2022 (U13) 2022/05/28 2022/05/28 Ekurhuleni (GE) Rapid 30 0.60 7 6 3.0 1050.9 1200.0 Analysis
3 Laerskool Olienpark 2018 (U10) 2018/04/21 2018/04/21 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 1083.4 1060.8 Analysis
2 Hoerskool Brits 2018 (U10) 2018/03/17 2018/03/17 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1150.5 1140.4 Analysis
1 Laerskool Vastrap 2018 (U10) 2018/02/03 2018/02/03 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 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 21 10 1 10 10.5 50.0 0.0 908.3 908.3
White 11 7 1 3 7.5 68.2 154.5 870.4 1024.9
Black 10 3 0 7 3.0 30.0 -170.0 950.1 780.1
Standard All 15 7 1 7 7.5 50.0 0.0 811.9 811.9
White 8 5 1 2 5.5 68.8 159.4 767.1 926.5
Black 7 2 0 5 2.0 28.6 -182.1 863.1 680.9
Rapid All 6 3 0 3 3.0 50.0 0.0 1149.4 1149.4
White 3 2 0 1 2.0 66.7 141.7 1145.7 1287.4
Black 3 1 0 2 1.0 33.3 -141.7 1153.0 1011.4
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 110093277 Du Preez, SB (Stefanus Benjam) 2 2.0 2 0 0 100.0 1117.0 425.0 1542.0 View list
2 110093270 Fourie, D (Drikus) 2 1.0 1 0 1 50.0 1141.7 0.0 1141.7 View list
3 110086177 Du Preez, M (Morne) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 200092669 Janse Van Vuuren, L (Lourein) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1100117077 Jacobs, R (Rico) 1 1.0 1 0 0 100.0 1050.9 425.0 1475.9 View list
6 209087742 Maritz, I (Imke) 1 1.0 1 0 0 100.0 1083.4 425.0 1508.4 View list
7 1120116477 Niebuhr, F (Franco) 1 1.0 1 0 0 100.0 1050.9 425.0 1475.9 View list
8 210087758 Zondagh, Z (Zea) 1 1.0 1 0 0 100.0 1150.5 425.0 1575.5 View list
9 1100141548 Seltzer, D (Daniel) 1 1.0 1 0 0 100.0 1050.9 425.0 1475.9 View list
10 109086162 Sekhute, K (Khumo) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
11 109086554 Van Staden, J (Jakobus) 1 0.0 0 0 1 0.0 1083.4 -425.0 658.4 View list
12 210075151 Smit, A (Anika) 1 0.0 0 0 1 0.0 1150.5 -425.0 725.5 View list
13 1090116449 Nieuwoudt, E (Ewald) 1 0.0 0 0 1 0.0 1050.9 -425.0 625.9 View list
14 210086572 Molefinyane, O (Omatla) 1 0.0 0 0 1 0.0 1083.4 -425.0 658.4 View list
15 1000101488 Mchaffie, S (Seth) 1 0.0 0 0 1 0.0 1050.9 -425.0 625.9 View list
16 109083234 Marx, HB (Heinrich) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 2100133964 Marais, J (Janike) 1 0.0 0 0 1 0.0 1050.9 -425.0 625.9 View list
18 209083776 De Beer, M (Marione) 1 0.0 0 0 1 0.0 1150.5 -425.0 725.5 View list
19 209088228 Combrink, ZA (Zenadine) 1 0.0 0 0 1 0.0 1150.5 -425.0 725.5 View list