Player Page

De Beer, JP (Jan Petrus)
Dob: 2007/04/13 (U18)
Gender: Male
Chess SA id: 107079475
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2023/08/19 (273 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 rating1300.7
Curent Weighted rating1275.3
Curent Weighted performance1177.2
Current official/published rating (highest between Raw, WR and WP)1300.7
Current floor (min rating allowed)800.7
Current highest rating achieved1300.7
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)±143.7
Current Raw change used (final)0.0
Projected new Raw rating1300.7
Projected new Weighed rating1279.6
Projected new Weighted performance1177.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1300.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1300.7
Projected new floor800.7
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 rating1301.2
Curent Weighted rating1281.8
Curent Weighted performance1175.3
Current official/published rating (highest between Raw, WR and WP)1301.2
Current floor (min rating allowed)801.2
Current highest rating achieved1301.2
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)±143.6
Current Raw change used (final)0.0
Projected new Raw rating1301.2
Projected new Weighed rating1285.5
Projected new Weighted performance1175.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1301.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1301.2
Projected new floor801.2
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 rating561.4
Curent Weighted rating561.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)561.4
Current floor (min rating allowed)500.0
Current highest rating achieved561.4
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)±411.9
Current Raw change used (final)0.0
Projected new Raw rating561.4
Projected new Weighed rating561.4
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)561.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating561.4
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 rating561.4
Curent Weighted rating561.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)561.4
Current floor (min rating allowed)500.0
Current highest rating achieved561.4
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)±411.9
Current Raw change used (final)0.0
Projected new Raw rating561.4
Projected new Weighed rating561.4
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)561.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating561.4
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
15 2023 Gauteng Top Schools (U17 Mixed) 2023/08/19 2023/08/19 West Rand (GWR) Standard 60 0.83 5 5 3.5 1267.6 1292.2 Analysis
14 2023 Tshwane North School District CLOSED League Championships (D3) (U17) 2023/08/12 2023/08/12 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1267.6 1292.2 Analysis
13 Tuks Junior Developmental Chess Tournament 2023 (Blue) 2023/03/18 2023/03/18 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1175.3 1184.2 Analysis
12 2022 D3 Cluster Teams (U15 Mixed) 2022/05/28 2022/05/28 Tshwane (GTP) Standard 60 0.83 5 4 3.0 1130.8 1131.0 Analysis
11 2019 South African Junior Team Championships (U14C) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 3.0 1164.0 1168.6 Analysis
10 2019 TC SAJCC Prep Tournament (B) 2019/11/30 2019/11/30 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1156.4 1166.6 Analysis
9 2019 Gauteng School League Finals (U13 Open) 2019/08/23 2019/08/23 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1120.2 1125.8 Analysis
8 2019 D3 Team League (U13) 2019/07/20 2019/07/20 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1076.4 1070.6 Analysis
7 2019 Gauteng Primary Schools Individual Chess Championships (U13 Boys) 2019/05/25 2019/05/25 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1095.7 1095.4 Analysis
6 Wonderboom Interhuis 2019 (U13) 2019/05/04 2019/05/04 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1095.7 1095.4 Analysis
5 2019 D3 Individuals (U13 Boys) 2019/04/13 2019/04/13 Tshwane (GTP) Standard 60 0.83 5 5 4.5 885.7 919.8 Analysis
4 2019 Blou Bul (D) 2019/02/16 2019/02/16 Tshwane (GTP) Standard 60 0.83 5 5 2.5 867.4 909.4 Analysis
3 2018 Gauteng League Final (U11) 2018/08/24 2018/08/24 Tshwane (GTP) Standard 60 0.83 5 5 3.5 642.1 658.6 Analysis
2 2018 Alekhine Open (D) 2018/08/09 2018/08/11 Tshwane (GTP) Standard 90 0.94 6 6 4.0 642.1 658.6 Analysis
1 2018 D3 Tshwane North Individual Chess Championships (U11 Mixed) 2018/03/24 2018/03/24 Tshwane (GTP) Standard 60 0.83 5 5 3.0 561.4 561.4 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 77 50 5 22 52.5 68.2 154.5 1056.1 1210.6
White 41 31 2 8 32.0 78.0 238.4 1085.5 1323.9
Black 36 19 3 14 20.5 56.9 59.0 1022.6 1081.6
Standard All 77 50 5 22 52.5 68.2 154.5 1056.1 1210.6
White 41 31 2 8 32.0 78.0 238.4 1085.5 1323.9
Black 36 19 3 14 20.5 56.9 59.0 1022.6 1081.6
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 107069457 Frias, M (Marco) 2 0.0 0 0 2 0.0 828.5 -425.0 403.5 View list
2 107057447 Ferreira, IH (Ignus) 1 1.0 1 0 0 100.0 1095.7 425.0 1520.7 View list
3 2070101842 Engelbrecht, A (Abbygail) 1 1.0 1 0 0 100.0 642.1 425.0 1067.1 View list
4 207052763 Ellis, CE (Catherine) 1 1.0 1 0 0 100.0 1164.0 425.0 1589.0 View list
5 1050152243 Dube, G (Gift) 1 1.0 1 0 0 100.0 1175.3 425.0 1600.3 View list
6 1060099981 Groenewald, E (Eric) 1 1.0 1 0 0 100.0 1076.4 425.0 1501.4 View list
7 107088585 Grobler, JTW (Johannes Theodorus Wessel) 1 1.0 1 0 0 100.0 885.7 425.0 1310.7 View list
8 2070115594 Grahan, C (Chie-Ann) 1 1.0 1 0 0 100.0 1095.7 425.0 1520.7 View list
9 107079467 Fuller, J (James) 1 1.0 1 0 0 100.0 1076.4 425.0 1501.4 View list
10 107079673 Chauke, W (William) 1 1.0 1 0 0 100.0 885.7 425.0 1310.7 View list
11 1070105738 Cebekhulu, M (Mpendulo) 1 1.0 1 0 0 100.0 642.1 425.0 1067.1 View list
12 1070099941 Burger, I (Izak Ulrich) 1 1.0 1 0 0 100.0 561.4 425.0 986.4 View list
13 110088599 Bogaard, FK (Franco) 1 1.0 1 0 0 100.0 642.1 425.0 1067.1 View list
14 1080097218 Beukes, A (Anton) 1 1.0 1 0 0 100.0 642.1 425.0 1067.1 View list
15 1070112673 Bahula, T (Tshepang) 1 1.0 1 0 0 100.0 885.7 425.0 1310.7 View list
16 1060118252 Haley, B (Brandon) 1 1.0 1 0 0 100.0 1120.2 425.0 1545.2 View list
17 1080112212 Hattingh, H (Heinrich) 1 1.0 1 0 0 100.0 1156.4 425.0 1581.4 View list
18 1070141592 Hefer, C (Christiaan Louis) 1 1.0 1 0 0 100.0 1130.8 425.0 1555.8 View list
19 107084430 Holtz, PM (Peter Maxwell) 1 1.0 1 0 0 100.0 1076.4 425.0 1501.4 View list
20 1060097796 Khumalo, L (Lefa) 1 1.0 1 0 0 100.0 1164.0 425.0 1589.0 View list