Chess South Africa
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Chess South Africa
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
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
1289.2
Current Weighted rating
1217.6
Current Weighted performance
1205.8
Current official/published rating (highest between Raw, WR and WP)
1289.2
Current highest rating achieved
1289.2
Current floor (min rating allowed)
789.2
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)
±146.0
Current Raw change used (final)
0.0
Projected new Raw rating
1289.2
Projected new Weighed rating
1119.5
Projected new Weighted performance
1205.8
Projected new final Raw rating (if new WP > new Raw)
1289.2
Projected new highest rating
1289.2
Projected new floor
789.2
Projected new K-facor
36
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 rating
1303.4
Current Weighted rating
1214.2
Current Weighted performance
1205.8
Current official/published rating (highest between Raw, WR and WP)
1303.4
Current highest rating achieved
1303.4
Current floor (min rating allowed)
803.4
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)
±143.1
Current Raw change used (final)
0.0
Projected new Raw rating
1303.4
Projected new Weighed rating
1116.2
Projected new Weighted performance
1205.8
Projected new final Raw rating (if new WP > new Raw)
1303.4
Projected new highest rating
1303.4
Projected new floor
803.4
Projected new K-facor
36
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
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
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)
±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
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
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
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
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
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
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