Player Page

Du Preez, L (Lourens)
Dob: 2013/07/19 (U12)
Gender: Male
Chess SA id: 1130139956
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (36 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 rating1289.2
Current Weighted rating1217.6
Current Weighted performance1205.8
Current official/published rating (highest between Raw, WR and WP)1289.2
Current highest rating achieved1289.2
Current floor (min rating allowed)789.2
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)±146.0
Current Raw change used (final)0.0
Projected new Raw rating1289.2
Projected new Weighed rating1119.5
Projected new Weighted performance1205.8
Projected new final Raw rating (if new WP > new Raw)1289.2
Projected new highest rating1289.2
Projected new floor789.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1289.2
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 rating1303.4
Current Weighted rating1214.2
Current Weighted performance1205.8
Current official/published rating (highest between Raw, WR and WP)1303.4
Current highest rating achieved1303.4
Current floor (min rating allowed)803.4
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)±143.1
Current Raw change used (final)0.0
Projected new Raw rating1303.4
Projected new Weighed rating1116.2
Projected new Weighted performance1205.8
Projected new final Raw rating (if new WP > new Raw)1303.4
Projected new highest rating1303.4
Projected new floor803.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1303.4
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 2024 Tshwane North School District CLOSED Individual Champioships (U11 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1203.7 1196.8 Analysis
1 District 3 Cluster 4 and 5 Individuals 2024 (U11 Boys) 2024/05/04 2024/05/04 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1203.7 1196.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 2024 Tshwane North School District CLOSED Individual Champioships (U11 Boys) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1203.7 1196.8 Analysis
5 District 3 Cluster 4 and 5 Individuals 2024 (U11 Boys) 2024/05/04 2024/05/04 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1203.7 1196.8 Analysis
4 Tuks Junior Developmental Chess Tournament 2023 (Red) 2023/03/18 2023/03/18 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1262.9 1271.0 Analysis
3 2022 Gauteng Schools Team Championships (U9 Open) 2022/08/27 2022/08/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1249.8 1257.0 Analysis
2 Tuks Junior Chess Club Developmental Tournament 2022 (Red) 2022/06/17 2022/06/17 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1279.7 1295.2 Analysis
1 2022 D3 Cluster City Schools (U9) 2022/04/23 2022/04/23 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 8 0 2 8.0 80.0 255.0 1192.0 1447.0
White 5 5 0 0 5.0 100.0 425.0 1200.4 1625.4
Black 5 3 0 2 3.0 60.0 85.0 1183.5 1268.5
Standard All 10 8 0 2 8.0 80.0 255.0 1192.0 1447.0
White 5 5 0 0 5.0 100.0 425.0 1200.4 1625.4
Black 5 3 0 2 3.0 60.0 85.0 1183.5 1268.5
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 30 19 0 11 19.0 63.3 113.3 1196.4 1309.7
White 15 10 0 5 10.0 66.7 141.7 1190.7 1332.4
Black 15 9 0 6 9.0 60.0 85.0 1202.1 1287.1
Standard All 30 19 0 11 19.0 63.3 113.3 1196.4 1309.7
White 15 10 0 5 10.0 66.7 141.7 1190.7 1332.4
Black 15 9 0 6 9.0 60.0 85.0 1202.1 1287.1
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 1140156027 Mamphweli, T (Tshedza) 2 2.0 2 0 0 100.0 1203.7 425.0 1628.7 View list
2 1140139961 Murphy, L (Lian) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 2140145707 Mhlanga, N (Nonhle) 1 1.0 1 0 0 100.0 1249.8 425.0 1674.8 View list
4 1140139959 Marais, L (Luke) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1130152269 Manjunath, A (Akshat) 1 1.0 1 0 0 100.0 1262.9 425.0 1687.9 View list
6 1130303624 Mahlangu, O (Oratile) 1 1.0 1 0 0 100.0 1203.7 425.0 1628.7 View list
7 1140159885 Rappard, H (Heino) 1 1.0 1 0 0 100.0 1203.7 425.0 1628.7 View list
8 2140135150 Prinsloo, V (Veronique) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1130303323 Pretorius, M (Marno) 1 1.0 1 0 0 100.0 1203.7 425.0 1628.7 View list
10 1140159883 Potgieter, R (Riku Roelof) 1 1.0 1 0 0 100.0 1203.7 425.0 1628.7 View list
11 1130145717 Pitzer, M (Marlu) 1 1.0 1 0 0 100.0 1249.8 425.0 1674.8 View list
12 1130139954 Brits, H (Henco) 1 1.0 1 0 0 100.0 1203.7 425.0 1628.7 View list
13 1140303310 Joubert, A (Adrian) 1 1.0 1 0 0 100.0 1203.7 425.0 1628.7 View list
14 1150139955 De Lange, M (Marcel) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
15 2130144768 Roos, A (Amone) 1 1.0 1 0 0 100.0 1249.8 425.0 1674.8 View list
16 2150139964 Swart, L (Leia) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
17 1120143061 Thuynsma, E (Ethan) 1 1.0 1 0 0 100.0 1279.7 425.0 1704.7 View list
18 1130143065 Williams, R (Ronan) 1 1.0 1 0 0 100.0 1279.7 425.0 1704.7 View list
19 1130143041 Cunningham, D (Daegan) 1 0.0 0 0 1 0.0 1262.9 -425.0 837.9 View list
20 1130303321 Pauls, R (Ruan) 1 0.0 0 0 1 0.0 1203.7 -425.0 778.7 View list