Chess South Africa
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Chess South Africa
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
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
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 rating
1447.2
Current Weighted rating
1408.8
Current Weighted performance
1377.6
Current official/published rating (highest between Raw, WR and WP)
1447.2
Current highest rating achieved
1457.1
Current floor (min rating allowed)
957.1
Current K-factor
32
Games played this month
0
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 rating
1447.2
Projected new Weighed rating
1299.7
Projected new Weighted performance
1377.6
Projected new final Raw rating (if new WP > new Raw)
1447.2
Projected new highest rating
1457.1
Projected new floor
957.1
Projected new K-facor
32
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 rating
1439.4
Current Weighted rating
1400.6
Current Weighted performance
1377.6
Current official/published rating (highest between Raw, WR and WP)
1439.4
Current highest rating achieved
1449.3
Current floor (min rating allowed)
949.3
Current K-factor
32
Games played this month
0
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 rating
1439.4
Projected new Weighed rating
1292.2
Projected new Weighted performance
1377.6
Projected new final Raw rating (if new WP > new Raw)
1439.4
Projected new highest rating
1449.3
Projected new floor
949.3
Projected new K-facor
32
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
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 rating
1258.4
Current Weighted rating
1258.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1258.4
Current highest rating achieved
1258.4
Current floor (min rating allowed)
758.4
Current K-factor
36
s
Games played this month
0
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 rating
1258.4
Projected new Weighed rating
1157.7
Projected new Weighted performance
142.3
Projected new final Raw rating (if new WP > new Raw)
1258.4
Projected new highest rating
1258.4
Projected new floor
758.4
Projected new K-facor
36
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 rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
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 rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
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
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
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
1
2
3
Game History
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
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