Player Page

Lourens, J (Jon-Adriaan)
Dob: 2003/12/10 (Adult)
Gender: Male
Chess SA id: 103018488
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2020/02/01 (1602 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 rating1194.3
Current Weighted rating1159.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1194.3
Current highest rating achieved1194.3
Current floor (min rating allowed)694.3
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)±167.2
Current Raw change used (final)0.0
Projected new Raw rating1194.3
Projected new Weighed rating1067.7
Projected new Weighted performance472.0
Projected new final Raw rating (if new WP > new Raw)1194.3
Projected new highest rating1194.3
Projected new floor694.3
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1194.3
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 rating1186.8
Current Weighted rating1173.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1186.8
Current highest rating achieved1186.8
Current floor (min rating allowed)686.8
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)±169.0
Current Raw change used (final)0.0
Projected new Raw rating1186.8
Projected new Weighed rating1080.1
Projected new Weighted performance472.0
Projected new final Raw rating (if new WP > new Raw)1186.8
Projected new highest rating1186.8
Projected new floor686.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1186.8
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 rating909.0
Current Weighted rating909.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)909.0
Current highest rating achieved909.0
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)±251.0
Current Raw change used (final)0.0
Projected new Raw rating909.0
Projected new Weighed rating836.3
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating909.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)909.0
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 rating909.0
Current Weighted rating909.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)909.0
Current highest rating achieved909.0
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)±251.0
Current Raw change used (final)0.0
Projected new Raw rating909.0
Projected new Weighed rating836.3
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating909.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)909.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Grey College Team Championship 2020 (B) 2020/01/31 2020/02/01 Mangaung (FMB) Standard 60 0.83 5 5 3.0 1097.9 1130.2 Analysis
3 2019 D4 Tshwane South Schools League Team Finals (U17) 2019/07/27 2019/07/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1035.5 1057.8 Analysis
2 Grey College Team Championship 2019 (A) 2019/02/22 2019/02/23 Mangaung (FMB) Standard 60 0.83 5 5 4.0 951.5 959.0 Analysis
1 2018 D4 Tshwane South Schools League Finals (U15) 2018/08/04 2018/08/04 Tshwane (GTP) Standard 60 0.83 5 4 2.0 909.0 909.0 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 19 12 0 7 12.0 63.2 111.8 1215.4 1327.2
White 11 7 0 4 7.0 63.6 115.9 1216.0 1331.9
Black 8 5 0 3 5.0 62.5 106.3 1214.6 1320.8
Standard All 19 12 0 7 12.0 63.2 111.8 1215.4 1327.2
White 11 7 0 4 7.0 63.6 115.9 1216.0 1331.9
Black 8 5 0 3 5.0 62.5 106.3 1214.6 1320.8
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 104078471 Van Aardt, D (Durand) 2 2.0 2 0 0 100.0 972.3 425.0 1397.3 View list
2 1040098747 Maile, E (Edward) 1 1.0 1 0 0 100.0 1097.9 425.0 1522.9 View list
3 103035062 Smal, D (Dewald) 1 1.0 1 0 0 100.0 1035.5 425.0 1460.5 View list
4 1060113331 Slabber, P (Pieter) 1 1.0 1 0 0 100.0 1097.9 425.0 1522.9 View list
5 103089707 Nzimande, O (Oratile) 1 1.0 1 0 0 100.0 909.0 425.0 1334.0 View list
6 106083578 Namane, O (Orapeleng) 1 1.0 1 0 0 100.0 1097.9 425.0 1522.9 View list
7 201076063 Mxaxa, U (Unam) 1 1.0 1 0 0 100.0 951.5 425.0 1376.5 View list
8 102042448 Wasserman, M (Meirin) 1 1.0 1 0 0 100.0 1035.5 425.0 1460.5 View list
9 105054349 Wang, I (Ikai) 1 1.0 1 0 0 100.0 951.5 425.0 1376.5 View list
10 103069954 Diedericks, M (Mathiam) 1 1.0 1 0 0 100.0 951.5 425.0 1376.5 View list
11 1030109046 Benting, D (Dante) 1 1.0 1 0 0 100.0 951.5 425.0 1376.5 View list
12 104082609 Sukhoo, A (Aayush) 1 0.0 0 0 1 0.0 1097.9 -425.0 672.9 View list
13 104001642 Bedesi, TT (Tahil) 1 0.0 0 0 1 0.0 1035.5 -425.0 610.5 View list
14 101093764 Mavuso, T (Thamsanqa) 1 0.0 0 0 1 0.0 1097.9 -425.0 672.9 View list
15 102019898 Makhura, T (Thabang) 1 0.0 0 0 1 0.0 951.5 -425.0 526.5 View list
16 103014549 Joubert, D (Divan) 1 0.0 0 0 1 0.0 909.0 -425.0 484.0 View list
17 105008491 Dykema, JD (Joshua) 1 0.0 0 0 1 0.0 909.0 -425.0 484.0 View list
18 102008490 Dykema, DR (Dirkho) 1 0.0 0 0 1 0.0 1035.5 -425.0 610.5 View list