Player Page

Pietersen, J (Juwellyn)
Dob: 2005/07/27 (U20)
Gender: Male
Chess SA id: 105078145
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2022/04/09 (770 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 rating1185.4
Curent Weighted rating1185.4
Curent Weighted performance662.7
Current official/published rating (highest between Raw, WR and WP)1185.4
Current floor (min rating allowed)689.8
Current highest rating achieved1189.8
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)±169.3
Current Raw change used (final)0.0
Projected new Raw rating1185.4
Projected new Weighed rating1185.4
Projected new Weighted performance662.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1185.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1189.8
Projected new floor689.8
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 rating1186.7
Curent Weighted rating1186.7
Curent Weighted performance661.8
Current official/published rating (highest between Raw, WR and WP)1186.7
Current floor (min rating allowed)691.1
Current highest rating achieved1191.1
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 rating1186.7
Projected new Weighed rating1186.7
Projected new Weighted performance661.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1186.7
Projected effective change (new Official - current Official)-0.0
Projected new highest rating1191.1
Projected new floor691.1
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 rating714.2
Curent Weighted rating714.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)714.2
Current floor (min rating allowed)500.0
Current highest rating achieved714.2
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)±331.3
Current Raw change used (final)0.0
Projected new Raw rating714.2
Projected new Weighed rating714.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)714.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating714.2
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 rating714.2
Curent Weighted rating714.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)714.2
Current floor (min rating allowed)500.0
Current highest rating achieved714.2
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)±331.3
Current Raw change used (final)0.0
Projected new Raw rating714.2
Projected new Weighed rating714.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)714.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating714.2
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
13 Eden Proewe 2 2022 (O18 Seuns) 2022/04/09 2022/04/09 Eden District (WEG) Standard 65 0.85 5 0 0.0 1185.4 1186.7 Analysis
12 Eden Proewe 1 2022 (O18 Seuns) 2022/03/12 2022/03/12 Eden District (WEG) Standard 65 0.85 5 5 3.0 1142.2 1133.5 Analysis
11 Eden Schools Closed Trials 1 2020 (U15 Boys) 2020/03/07 2020/03/07 Eden District (WEG) Standard 65 0.85 5 4 1.0 1189.8 1191.1 Analysis
10 Oudtshoorn Proewe 1 2020 (O15) 2020/02/15 2020/02/15 Eden District (WEG) Standard 60 0.83 5 5 4.0 1143.3 1135.1 Analysis
9 Eden Trials 3 2019 (U16 Open) 2019/05/11 2019/05/11 Eden District (WEG) Standard 60 0.83 5 4 3.0 1052.5 1046.8 Analysis
8 Eden Trials 2 2019 (U16 Open) 2019/04/13 2019/04/13 Eden District (WEG) Standard 60 0.83 5 5 3.0 1009.9 1003.5 Analysis
7 Eden Trials 1 2019 (U16 Open) 2019/03/02 2019/03/02 Eden District (WEG) Standard 60 0.83 5 5 2.5 1014.0 1008.4 Analysis
6 Oudtshoorn Trials 3 2019 (U16) 2019/02/16 2019/02/16 Eden District (WEG) Standard 60 0.83 5 5 3.0 827.8 848.6 Analysis
5 Oudtshoorn Trials 2 2019 (U16) 2019/02/09 2019/02/09 Eden District (WEG) Standard 60 0.83 5 5 3.5 827.8 848.6 Analysis
4 Oudtshoorn Trials 1 2019 (U16) 2019/01/19 2019/01/19 Eden District (WEG) Standard 60 0.83 5 0 0.0 827.8 848.6 Analysis
3 EDENSC Closed 3 2018 (U14 Open) 2018/05/12 2018/05/12 Eden District (WEG) Standard 60 0.83 5 5 3.0 808.5 827.4 Analysis
2 EDENSC Closed 2 2018 (U14 Open) 2018/04/14 2018/04/14 Eden District (WEG) Standard 60 0.83 5 5 3.0 754.4 765.4 Analysis
1 EDENSC Closed 1 2018 (U14 Boys) 2018/03/10 2018/03/10 Eden District (WEG) Standard 60 0.83 5 5 2.5 714.2 714.2 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 53 30 3 20 31.5 59.4 80.2 1031.4 1111.6
White 27 17 2 8 18.0 66.7 141.7 1021.6 1163.3
Black 26 13 1 12 13.5 51.9 16.3 1041.6 1057.9
Standard All 53 30 3 20 31.5 59.4 80.2 1031.4 1111.6
White 27 17 2 8 18.0 66.7 141.7 1021.6 1163.3
Black 26 13 1 12 13.5 51.9 16.3 1041.6 1057.9
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 1050098451 Ayford, K (Keanu) 3 3.0 3 0 0 100.0 803.3 425.0 1228.3 View list
2 1050098459 Matthews, I (Isiah) 3 2.0 2 0 1 66.7 789.9 141.7 931.6 View list
3 105054141 Koen, I (Ivan) 3 0.0 0 0 3 0.0 1028.8 -425.0 603.8 View list
4 105088331 Bezuidenhout, R (Ross) 2 2.0 2 0 0 100.0 1101.9 425.0 1526.9 View list
5 204078121 Saayman, N (Nerene) 2 2.0 2 0 0 100.0 918.8 425.0 1343.8 View list
6 106061679 Sheldon, A (Ackim) 2 1.0 1 0 1 50.0 761.4 0.0 761.4 View list
7 105054129 Daniels, M (Muhammed) 2 0.0 0 0 2 0.0 1012.0 -425.0 587.0 View list
8 1050137857 Chari, T (Tashinga) 1 1.0 1 0 0 100.0 1142.2 425.0 1567.2 View list
9 1050107888 Brown, M (Marquin) 1 1.0 1 0 0 100.0 1052.5 425.0 1477.5 View list
10 204051966 Bokwana, W (Wilmarie) 1 1.0 1 0 0 100.0 1014.0 425.0 1439.0 View list
11 206069551 Festus, A (Ambe) 1 1.0 1 0 0 100.0 754.4 425.0 1179.4 View list
12 205078149 Esau, S (Shenique) 1 1.0 1 0 0 100.0 1143.3 425.0 1568.3 View list
13 1040098469 Dreyer, D (Dylan) 1 1.0 1 0 0 100.0 827.8 425.0 1252.8 View list
14 1050107885 Draai, K (Kevin) 1 1.0 1 0 0 100.0 1052.5 425.0 1477.5 View list
15 1040137864 Keye, L (Lithemba) 1 1.0 1 0 0 100.0 1142.2 425.0 1567.2 View list
16 106086249 Kasper, V (Vernon) 1 1.0 1 0 0 100.0 1143.3 425.0 1568.3 View list
17 2050098457 Karelse, E (Erin-Leigh) 1 1.0 1 0 0 100.0 754.4 425.0 1179.4 View list
18 1050098458 Mostert, R (Richard) 1 1.0 1 0 0 100.0 1009.9 425.0 1434.9 View list
19 106065014 Oosthuizen, L (Luka) 1 1.0 1 0 0 100.0 714.2 425.0 1139.2 View list
20 104048747 Pondo, B (Brandon-Lee) 1 1.0 1 0 0 100.0 1052.5 425.0 1477.5 View list