Player Page

De Jager, JJ (Juan)
Dob: 2009/05/13 (U16)
Gender: Male
Chess SA id: 109089206
FIDE id:
Region: West Rand (GWR)
Citizen: RSA
Title(s):
Last active: 2022/09/03 (637 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 rating1055.4
Curent Weighted rating1053.5
Curent Weighted performance804.4
Current official/published rating (highest between Raw, WR and WP)1055.4
Current floor (min rating allowed)555.4
Current highest rating achieved1055.4
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)±203.7
Current Raw change used (final)0.0
Projected new Raw rating1055.4
Projected new Weighed rating1054.9
Projected new Weighted performance804.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1055.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1055.4
Projected new floor555.4
Projected new K-facor40
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 rating1056.5
Curent Weighted rating1055.2
Curent Weighted performance805.2
Current official/published rating (highest between Raw, WR and WP)1056.5
Current floor (min rating allowed)556.5
Current highest rating achieved1056.5
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)±203.4
Current Raw change used (final)0.0
Projected new Raw rating1056.5
Projected new Weighed rating1056.2
Projected new Weighted performance805.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1056.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1056.5
Projected new floor556.5
Projected new K-facor40
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 rating520.0
Curent Weighted rating520.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)520.0
Current floor (min rating allowed)500.0
Current highest rating achieved520.0
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)±436.9
Current Raw change used (final)0.0
Projected new Raw rating520.0
Projected new Weighed rating520.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)520.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating520.0
Projected new floor500.0
Projected new K-facor40
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 rating520.0
Curent Weighted rating520.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)520.0
Current floor (min rating allowed)500.0
Current highest rating achieved520.0
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)±436.9
Current Raw change used (final)0.0
Projected new Raw rating520.0
Projected new Weighed rating520.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)520.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating520.0
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 West Rand Trials 2022 (U14) 2022/09/03 2022/09/03 West Rand (GWR) Standard 60 0.83 5 5 2.0 895.1 955.6 Analysis
4 2nd West Rand Open 2022 (Juniors) 2022/08/06 2022/08/06 West Rand (GWR) Standard 60 0.83 5 5 3.0 810.1 865.6 Analysis
3 2021 Gauteng Schools Chess Championships (U13 Boys) 2021/10/16 2021/10/16 Tshwane (GTP) Standard 60 0.83 5 5 2.5 727.8 769.6 Analysis
2 D2 League Finals 2019 (U11) 2019/08/03 2019/08/03 West Rand (GWR) Standard 60 0.83 7 6 4.0 618.6 638.8 Analysis
1 D2 Schools Individuals 2018 (U9 Open) 2018/05/19 2018/05/19 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 520.0 520.0 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 26 14 1 11 14.5 55.8 49.0 1165.5 1214.5
White 13 7 1 5 7.5 57.7 65.4 1162.7 1228.1
Black 13 7 0 6 7.0 53.8 32.7 1168.3 1200.9
Standard All 26 14 1 11 14.5 55.8 49.0 1165.5 1214.5
White 13 7 1 5 7.5 57.7 65.4 1162.7 1228.1
Black 13 7 0 6 7.0 53.8 32.7 1168.3 1200.9
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 1090101002 Tshatsheka, J (Junior) 2 0.0 0 0 2 0.0 569.3 -425.0 144.3 View list
2 109083529 Arangies, N (Nico) 1 1.0 1 0 0 100.0 618.6 425.0 1043.6 View list
3 1090102537 Mohlomi, L (Lesego) 1 1.0 1 0 0 100.0 520.0 425.0 945.0 View list
4 1080118176 Mogopodi, T (Thabang) 1 1.0 1 0 0 100.0 727.8 425.0 1152.8 View list
5 2100146369 Mamxila, M (Mbali) 1 1.0 1 0 0 100.0 895.1 425.0 1320.1 View list
6 2080117299 Lombaard, M (Minette) 1 1.0 1 0 0 100.0 618.6 425.0 1043.6 View list
7 2110144529 Labuschagne, M (Mila) 1 1.0 1 0 0 100.0 810.1 425.0 1235.1 View list
8 110092910 Saaiman, HF (Henri) 1 1.0 1 0 0 100.0 520.0 425.0 945.0 View list
9 108091328 Roets, LC (Logan) 1 1.0 1 0 0 100.0 618.6 425.0 1043.6 View list
10 1100117324 Pretorius, S (Sebastian) 1 1.0 1 0 0 100.0 810.1 425.0 1235.1 View list
11 2090144536 Pillay, L (Leeyah) 1 1.0 1 0 0 100.0 895.1 425.0 1320.1 View list
12 1080112519 Ngoetjana, R (Rebone) 1 1.0 1 0 0 100.0 727.8 425.0 1152.8 View list
13 1110144533 Molewa, S (Sphiwe) 1 1.0 1 0 0 100.0 810.1 425.0 1235.1 View list
14 1110101001 Tucker, M (Marcell) 1 1.0 1 0 0 100.0 520.0 425.0 945.0 View list
15 208078735 Visser, K (Kayla) 1 1.0 1 0 0 100.0 618.6 425.0 1043.6 View list
16 1080104469 Mokoena, J (Jabu) 1 0.5 0 1 0 50.0 727.8 0.0 727.8 View list
17 1090143370 Sikakane, T (Thandolwethu Hope) 1 0.0 0 0 1 0.0 727.8 -425.0 302.8 View list
18 1090135215 Sibanda, M (Mkhnluli) 1 0.0 0 0 1 0.0 727.8 -425.0 302.8 View list
19 1090136201 Seitei, N (Neo) 1 0.0 0 0 1 0.0 895.1 -425.0 470.1 View list
20 1090136191 Kampiyau, E (Ethan) 1 0.0 0 0 1 0.0 810.1 -425.0 385.1 View list