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: 2024/10/06 (57 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 rating1447.2
Current Weighted rating1408.8
Current Weighted performance1377.6
Current official/published rating (highest between Raw, WR and WP)1447.2
Current highest rating achieved1457.1
Current floor (min rating allowed)957.1
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)±116.6
Current Raw change used (final)0.0
Projected new Raw rating1447.2
Projected new Weighed rating1299.7
Projected new Weighted performance1377.6
Projected new final Raw rating (if new WP > new Raw)1447.2
Projected new highest rating1457.1
Projected new floor957.1
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1447.2
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 rating1439.4
Current Weighted rating1400.6
Current Weighted performance1377.6
Current official/published rating (highest between Raw, WR and WP)1439.4
Current highest rating achieved1449.3
Current floor (min rating allowed)949.3
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)±117.9
Current Raw change used (final)0.0
Projected new Raw rating1439.4
Projected new Weighed rating1292.2
Projected new Weighted performance1377.6
Projected new final Raw rating (if new WP > new Raw)1439.4
Projected new highest rating1449.3
Projected new floor949.3
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1439.4
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 rating1258.4
Current Weighted rating1258.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1258.4
Current highest rating achieved1258.4
Current floor (min rating allowed)758.4
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 rating1157.7
Projected new Weighted performance142.3
Projected new final Raw rating (if new WP > new Raw)1258.4
Projected new highest rating1258.4
Projected new floor758.4
Projected new K-facor36
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
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
6 2024 Gauteng North Open Chess Tournament (B) 2024/10/05 2024/10/06 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1457.1 1449.3 Analysis
5 2024 Etienne Lewis (U16) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1453.8 1443.9 Analysis
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
41 2024 Gauteng North Open Chess Tournament (B) 2024/10/05 2024/10/06 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1457.1 1449.3 Analysis
40 2024 Etienne Lewis (U16) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1453.8 1443.9 Analysis
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
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 32 20 0 12 20.0 62.5 106.3 1333.5 1439.7
White 15 8 0 7 8.0 53.3 28.3 1366.9 1395.3
Black 17 12 0 5 12.0 70.6 175.0 1304.0 1479.0
Standard All 32 20 0 12 20.0 62.5 106.3 1333.5 1439.7
White 15 8 0 7 8.0 53.3 28.3 1366.9 1395.3
Black 17 12 0 5 12.0 70.6 175.0 1304.0 1479.0
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 213 107 10 96 112.0 52.6 21.9 1216.0 1237.9
White 103 51 5 47 53.5 51.9 16.5 1211.9 1228.4
Black 110 56 5 49 58.5 53.2 27.0 1219.8 1246.8
Standard All 208 103 10 95 108.0 51.9 16.3 1217.3 1233.7
White 100 49 5 46 51.5 51.5 12.8 1214.0 1226.8
Black 108 54 5 49 56.5 52.3 19.7 1220.4 1240.1
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 1090134428 De Jager, J (Jandre) 3 3.0 3 0 0 100.0 1267.7 425.0 1692.7 View list
2 1100117077 Jacobs, R (Rico) 3 3.0 3 0 0 100.0 1142.8 425.0 1567.8 View list
3 1100116740 Nkwadi, K (Karabo) 3 3.0 3 0 0 100.0 1302.5 425.0 1727.5 View list
4 110095324 Venter, D (Dian) 3 0.5 0 1 2 16.7 1218.0 -283.3 934.7 View list
5 110088599 Bogaard, FK (Franco) 2 2.0 2 0 0 100.0 1407.9 425.0 1832.9 View list
6 1090104250 Bhudai, A (Arman) 2 2.0 2 0 0 100.0 1240.5 425.0 1665.5 View list
7 2120134048 Erwee, E (Elizabeth) 2 2.0 2 0 0 100.0 1154.6 425.0 1579.6 View list
8 2100109348 Karsten, CB (Chay Belle) 2 2.0 2 0 0 100.0 1353.5 425.0 1778.5 View list
9 1090116738 Makaleng, K (Kgothatso) 2 2.0 2 0 0 100.0 1270.1 425.0 1695.1 View list
10 2120130097 Padayachy, V (Vidya) 2 2.0 2 0 0 100.0 1167.7 425.0 1592.7 View list
11 1100119500 Van Der Merwe, R (Ruben) 2 2.0 2 0 0 100.0 1195.5 425.0 1620.5 View list
12 110092783 Van Rooyen, M (Marcel) 2 2.0 2 0 0 100.0 1198.8 425.0 1623.8 View list
13 2090107171 Gous, S (Shalane) 2 1.5 1 1 0 75.0 1146.4 212.5 1358.9 View list
14 1130140635 Ribbens, R (Reuben) 2 1.5 1 1 0 75.0 1252.4 212.5 1464.9 View list
15 1090116742 Baloyi, B (Boikanyo) 2 1.0 1 0 1 50.0 1332.7 0.0 1332.7 View list
16 1080112212 Hattingh, H (Heinrich) 2 1.0 1 0 1 50.0 1108.7 0.0 1108.7 View list
17 1090116741 Kekana, N (Neo) 2 1.0 1 0 1 50.0 1272.8 0.0 1272.8 View list
18 109095317 Olivier, BM (Barnard) 2 1.0 1 0 1 50.0 1246.3 0.0 1246.3 View list
19 2090107167 Redelinghuys, M (Mia) 2 1.0 1 0 1 50.0 1161.2 0.0 1161.2 View list
20 2090151374 Swanepoel, M (Montiné) 2 1.0 1 0 1 50.0 1239.4 0.0 1239.4 View list