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: 2024/08/03 (113 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 rating1241.9
Current Weighted rating1281.6
Current Weighted performance1078.5
Current official/published rating (highest between Raw, WR and WP)1281.6
Current highest rating achieved1304.3
Current floor (min rating allowed)804.3
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)±156.2
Current Raw change used (final)0.0
Projected new Raw rating1241.9
Projected new Weighed rating1179.9
Projected new Weighted performance1078.5
Projected new final Raw rating (if new WP > new Raw)1241.9
Projected new highest rating1304.3
Projected new floor804.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1241.9
Projected effective change (new Official - current Official)-39.7
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 rating1231.0
Current Weighted rating1282.2
Current Weighted performance1078.5
Current official/published rating (highest between Raw, WR and WP)1282.2
Current highest rating achieved1306.2
Current floor (min rating allowed)806.2
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)±158.7
Current Raw change used (final)0.0
Projected new Raw rating1231.0
Projected new Weighed rating1180.1
Projected new Weighted performance1078.5
Projected new final Raw rating (if new WP > new Raw)1231.0
Projected new highest rating1306.2
Projected new floor806.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1231.0
Projected effective change (new Official - current Official)-51.2
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 rating561.4
Current Weighted rating561.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)561.4
Current highest rating achieved561.4
Current floor (min rating allowed)500.0
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)±411.9
Current Raw change used (final)0.0
Projected new Raw rating561.4
Projected new Weighed rating516.5
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating561.4
Projected new floor500.0
Projected new K-facor40
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
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 rating561.4
Current Weighted rating561.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)561.4
Current highest rating achieved561.4
Current floor (min rating allowed)500.0
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)±411.9
Current Raw change used (final)0.0
Projected new Raw rating561.4
Projected new Weighed rating516.5
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating561.4
Projected new floor500.0
Projected new K-facor40
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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 2024 Tshwane North School District Team League Finals (U19) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 4 0.0 1304.3 1306.2 Analysis
1 2024 Tshwane North School District Cluster 4 & 5 Team League (U19) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 3 2 1.0 1300.7 1301.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
17 2024 Tshwane North School District Team League Finals (U19) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 4 0.0 1304.3 1306.2 Analysis
16 2024 Tshwane North School District Cluster 4 & 5 Team League (U19) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 3 2 1.0 1300.7 1301.2 Analysis
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 6 1 0 5 1.0 16.7 -283.3 1307.4 1024.0
White 3 1 0 2 1.0 33.3 -141.7 1267.3 1125.7
Black 3 0 0 3 0.0 0.0 -425.0 1347.4 922.4
Standard All 6 1 0 5 1.0 16.7 -283.3 1307.4 1024.0
White 3 1 0 2 1.0 33.3 -141.7 1267.3 1125.7
Black 3 0 0 3 0.0 0.0 -425.0 1347.4 922.4
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 83 51 5 27 53.5 64.5 122.9 1074.2 1197.1
White 44 32 2 10 33.0 75.0 212.5 1097.9 1310.4
Black 39 19 3 17 20.5 52.6 21.8 1047.6 1069.3
Standard All 83 51 5 27 53.5 64.5 122.9 1074.2 1197.1
White 44 32 2 10 33.0 75.0 212.5 1097.9 1310.4
Black 39 19 3 17 20.5 52.6 21.8 1047.6 1069.3
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 1080141600 Monaledi, O (Otsile) 2 1.0 1 0 1 50.0 1302.5 0.0 1302.5 View list
2 107069457 Frias, M (Marco) 2 0.0 0 0 2 0.0 828.5 -425.0 403.5 View list
3 1070099945 Coetzee, W (Willem Christoffel) 2 0.0 0 0 2 0.0 1302.5 -425.0 877.5 View list
4 1070112673 Bahula, T (Tshepang) 1 1.0 1 0 0 100.0 885.7 425.0 1310.7 View list
5 107057447 Ferreira, IH (Ignus) 1 1.0 1 0 0 100.0 1095.7 425.0 1520.7 View list
6 2070101842 Engelbrecht, A (Abbygail) 1 1.0 1 0 0 100.0 642.1 425.0 1067.1 View list
7 207052763 Ellis, CE (Catherine) 1 1.0 1 0 0 100.0 1164.0 425.0 1589.0 View list
8 1050152243 Dube, G (Gift) 1 1.0 1 0 0 100.0 1175.3 425.0 1600.3 View list
9 107079673 Chauke, W (William) 1 1.0 1 0 0 100.0 885.7 425.0 1310.7 View list
10 1070105738 Cebekhulu, M (Mpendulo) 1 1.0 1 0 0 100.0 642.1 425.0 1067.1 View list
11 1070099941 Burger, I (Izak Ulrich) 1 1.0 1 0 0 100.0 561.4 425.0 986.4 View list
12 110088599 Bogaard, FK (Franco) 1 1.0 1 0 0 100.0 642.1 425.0 1067.1 View list
13 1080097218 Beukes, A (Anton) 1 1.0 1 0 0 100.0 642.1 425.0 1067.1 View list
14 107088585 Grobler, JTW (Johannes Theodorus Wessel) 1 1.0 1 0 0 100.0 885.7 425.0 1310.7 View list
15 2070115594 Grahan, C (Chie-Ann) 1 1.0 1 0 0 100.0 1095.7 425.0 1520.7 View list
16 107079467 Fuller, J (James) 1 1.0 1 0 0 100.0 1076.4 425.0 1501.4 View list
17 1060099981 Groenewald, E (Eric) 1 1.0 1 0 0 100.0 1076.4 425.0 1501.4 View list
18 1060118252 Haley, B (Brandon) 1 1.0 1 0 0 100.0 1120.2 425.0 1545.2 View list
19 1080112212 Hattingh, H (Heinrich) 1 1.0 1 0 0 100.0 1156.4 425.0 1581.4 View list
20 1070141592 Hefer, C (Christiaan Louis) 1 1.0 1 0 0 100.0 1130.8 425.0 1555.8 View list