Player Page

Oosthuizen, L (Ludrick)
Dob: 2009/09/03 (U16)
Gender: Male
Chess SA id: 1090107165
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/02/24 (83 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 rating1453.8
Curent Weighted rating1340.6
Curent Weighted performance1415.1
Current official/published rating (highest between Raw, WR and WP)1453.8
Current floor (min rating allowed)953.8
Current highest rating achieved1453.8
Current K-factor32
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)±115.5
Current Raw change used (final)0.0
Projected new Raw rating1453.8
Projected new Weighed rating1352.7
Projected new Weighted performance1415.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1453.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1453.8
Projected new floor953.8
Projected new K-facor32
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 rating1443.9
Curent Weighted rating1331.8
Curent Weighted performance1405.4
Current official/published rating (highest between Raw, WR and WP)1443.9
Current floor (min rating allowed)943.9
Current highest rating achieved1443.9
Current K-factor32
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)±117.1
Current Raw change used (final)0.0
Projected new Raw rating1443.9
Projected new Weighed rating1343.9
Projected new Weighted performance1405.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1443.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1443.9
Projected new floor943.9
Projected new K-facor32
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 rating1258.4
Curent Weighted rating1258.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1258.4
Current floor (min rating allowed)758.4
Current highest rating achieved1258.4
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)±152.6
Current Raw change used (final)0.0
Projected new Raw rating1258.4
Projected new Weighed rating1258.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1258.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1258.4
Projected new floor758.4
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)758.4
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor758.4
Projected new K-facor36
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Grey College Team Championship 2024 (A) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 4.0 1362.1 1355.3 Analysis
3 2024 Piet Robbertse Open Chess Tournament (C) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1362.1 1355.3 Analysis
2 2024 Tshwane Chess OPEN Registration Tournament (C2) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1362.0 1357.3 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U16C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1362.0 1357.3 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
39 Grey College Team Championship 2024 (A) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 4.0 1362.1 1355.3 Analysis
38 2024 Piet Robbertse Open Chess Tournament (C) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1362.1 1355.3 Analysis
37 2024 Tshwane Chess OPEN Registration Tournament (C2) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1362.0 1357.3 Analysis
36 2024 Gauteng Inter-Region Chess Championship (U16C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1362.0 1357.3 Analysis
35 Lardies Open Tournament 2023 (C) 2023/10/28 2023/10/28 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1344.9 1339.3 Analysis
34 2023 Etienne Lewis Closed Tournament (U16) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 3.0 1236.8 1229.5 Analysis
33 2023 Gauteng Top Schools (U15 Mixed) 2023/08/19 2023/08/19 West Rand (GWR) Standard 60 0.83 5 5 5.0 1236.8 1229.5 Analysis
32 2023 Jacaranda Round Robin (F) 2023/08/12 2023/08/12 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1236.8 1229.5 Analysis
31 2023 Tshwane South School District CLOSED League Championship (U15) 2023/07/29 2023/07/29 Tshwane (GTP) Standard 60 0.83 3 3 1.0 1254.1 1247.4 Analysis
30 2023 Menlo Open Tournament (C) 2023/07/22 2023/07/22 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1254.1 1247.4 Analysis
29 2023 Lubowski Open Tournament (C) 2023/06/24 2023/06/25 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1242.1 1228.7 Analysis
28 2023 Elize Steenkamp Open Tournament (C) 2023/06/16 2023/06/17 Tshwane (GTP) Standard 90 0.94 6 6 2.0 1242.1 1228.7 Analysis
27 Wynie Robbertse Open Tournament 2023 (C) 2023/06/03 2023/06/03 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1242.1 1228.7 Analysis
26 2023 Tshwane Chess Open Registration Tournament (C1) 2023/01/28 2023/01/28 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1250.8 1237.0 Analysis
25 2022 South African Junior Team Chess Championships (U14 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 7 3.0 1244.7 1226.2 Analysis
24 2022 Gauteng North Chess Open (C) 2022/10/15 2022/10/16 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1303.4 1289.9 Analysis
23 2022 Wynie Robbertse Open (U14) 2022/10/08 2022/10/08 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1303.4 1289.9 Analysis
22 2022 Etienne Lewis (U14 Open) 2022/09/02 2022/09/04 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1275.1 1259.2 Analysis
21 2022 Alekhine Open (D) 2022/08/13 2022/08/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1201.0 1186.7 Analysis
20 2022 Menlo Open Tournament (D) 2022/07/23 2022/07/23 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1174.9 1168.3 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 20 13 0 7 13.0 65.0 127.5 1315.3 1442.8
White 10 6 0 4 6.0 60.0 85.0 1330.7 1415.7
Black 10 7 0 3 7.0 70.0 170.0 1299.8 1469.8
Standard All 20 13 0 7 13.0 65.0 127.5 1315.3 1442.8
White 10 6 0 4 6.0 60.0 85.0 1330.7 1415.7
Black 10 7 0 3 7.0 70.0 170.0 1299.8 1469.8
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 201 100 10 91 105.0 52.2 19.0 1207.1 1226.2
White 98 49 5 44 51.5 52.6 21.7 1200.3 1222.0
Black 103 51 5 47 53.5 51.9 16.5 1213.6 1230.1
Standard All 196 96 10 90 101.0 51.5 13.0 1208.3 1221.4
White 95 47 5 43 49.5 52.1 17.9 1202.1 1220.0
Black 101 49 5 47 51.5 51.0 8.4 1214.2 1222.6
Rapid All 5 4 0 1 4.0 80.0 255.0 1159.7 1414.7
White 3 2 0 1 2.0 66.7 141.7 1142.0 1283.6
Black 2 2 0 0 2.0 100.0 425.0 1186.4 1611.4
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 1100117077 Jacobs, R (Rico) 3 3.0 3 0 0 100.0 1142.8 425.0 1567.8 View list
2 1100116740 Nkwadi, K (Karabo) 3 3.0 3 0 0 100.0 1302.5 425.0 1727.5 View list
3 110095324 Venter, D (Dian) 3 0.5 0 1 2 16.7 1218.0 -283.3 934.7 View list
4 1090104250 Bhudai, A (Arman) 2 2.0 2 0 0 100.0 1240.5 425.0 1665.5 View list
5 1090134428 De Jager, J (Jandre) 2 2.0 2 0 0 100.0 1174.7 425.0 1599.7 View list
6 2120134048 Erwee, E (Elizabeth) 2 2.0 2 0 0 100.0 1154.6 425.0 1579.6 View list
7 2100109348 Karsten, CB (Chay Belle) 2 2.0 2 0 0 100.0 1353.5 425.0 1778.5 View list
8 1090116738 Makaleng, K (Kgothatso) 2 2.0 2 0 0 100.0 1270.1 425.0 1695.1 View list
9 2120130097 Padayachy, V (Vidya) 2 2.0 2 0 0 100.0 1167.7 425.0 1592.7 View list
10 1100119500 Van Der Merwe, R (Ruben) 2 2.0 2 0 0 100.0 1195.5 425.0 1620.5 View list
11 110092783 Van Rooyen, M (Marcel) 2 2.0 2 0 0 100.0 1198.8 425.0 1623.8 View list
12 2090107171 Gous, S (Shalane) 2 1.5 1 1 0 75.0 1146.4 212.5 1358.9 View list
13 1130140635 Ribbens, R (Reuben) 2 1.5 1 1 0 75.0 1252.4 212.5 1464.9 View list
14 1090116742 Baloyi, B (Boikanyo) 2 1.0 1 0 1 50.0 1332.7 0.0 1332.7 View list
15 1080112212 Hattingh, H (Heinrich) 2 1.0 1 0 1 50.0 1108.7 0.0 1108.7 View list
16 1090116741 Kekana, N (Neo) 2 1.0 1 0 1 50.0 1272.8 0.0 1272.8 View list
17 109095317 Olivier, BM (Barnard) 2 1.0 1 0 1 50.0 1246.3 0.0 1246.3 View list
18 2090107167 Redelinghuys, M (Mia) 2 1.0 1 0 1 50.0 1161.2 0.0 1161.2 View list
19 2090151374 Swanepoel, M (Montiné) 2 1.0 1 0 1 50.0 1239.4 0.0 1239.4 View list
20 2100109357 Theron, L (Lydia) 2 1.0 1 0 1 50.0 1218.8 0.0 1218.8 View list