Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Lourens, J (Jon-Adriaan)
Dob:
2003/12/10 (Adult)
Gender:
Male
Chess SA id:
103018488
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2020/02/01 (1602 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
1194.3
Current Weighted rating
1159.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1194.3
Current highest rating achieved
1194.3
Current floor (min rating allowed)
694.3
Current K-factor
40
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)
±167.2
Current Raw change used (final)
0.0
Projected new Raw rating
1194.3
Projected new Weighed rating
1067.7
Projected new Weighted performance
472.0
Projected new final Raw rating (if new WP > new Raw)
1194.3
Projected new highest rating
1194.3
Projected new floor
694.3
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1194.3
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
1186.8
Current Weighted rating
1173.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1186.8
Current highest rating achieved
1186.8
Current floor (min rating allowed)
686.8
Current K-factor
40
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)
±169.0
Current Raw change used (final)
0.0
Projected new Raw rating
1186.8
Projected new Weighed rating
1080.1
Projected new Weighted performance
472.0
Projected new final Raw rating (if new WP > new Raw)
1186.8
Projected new highest rating
1186.8
Projected new floor
686.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1186.8
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
909.0
Current Weighted rating
909.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
909.0
Current highest rating achieved
909.0
Current floor (min rating allowed)
500.0
Current K-factor
40
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)
±251.0
Current Raw change used (final)
0.0
Projected new Raw rating
909.0
Projected new Weighed rating
836.3
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
909.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
909.0
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
909.0
Current Weighted rating
909.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
909.0
Current highest rating achieved
909.0
Current floor (min rating allowed)
500.0
Current K-factor
40
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)
±251.0
Current Raw change used (final)
0.0
Projected new Raw rating
909.0
Projected new Weighed rating
836.3
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
909.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
909.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
Grey College Team Championship 2020 (B)
2020/01/31
2020/02/01
Mangaung (FMB)
Standard
60
0.83
5
5
3.0
1097.9
1130.2
Analysis
3
2019 D4 Tshwane South Schools League Team Finals (U17)
2019/07/27
2019/07/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1035.5
1057.8
Analysis
2
Grey College Team Championship 2019 (A)
2019/02/22
2019/02/23
Mangaung (FMB)
Standard
60
0.83
5
5
4.0
951.5
959.0
Analysis
1
2018 D4 Tshwane South Schools League Finals (U15)
2018/08/04
2018/08/04
Tshwane (GTP)
Standard
60
0.83
5
4
2.0
909.0
909.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
Standard
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
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
19
12
0
7
12.0
63.2
111.8
1215.4
1327.2
White
11
7
0
4
7.0
63.6
115.9
1216.0
1331.9
Black
8
5
0
3
5.0
62.5
106.3
1214.6
1320.8
Standard
All
19
12
0
7
12.0
63.2
111.8
1215.4
1327.2
White
11
7
0
4
7.0
63.6
115.9
1216.0
1331.9
Black
8
5
0
3
5.0
62.5
106.3
1214.6
1320.8
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
104078471
Van Aardt, D (Durand)
2
2.0
2
0
0
100.0
972.3
425.0
1397.3
View list
2
1040098747
Maile, E (Edward)
1
1.0
1
0
0
100.0
1097.9
425.0
1522.9
View list
3
103035062
Smal, D (Dewald)
1
1.0
1
0
0
100.0
1035.5
425.0
1460.5
View list
4
1060113331
Slabber, P (Pieter)
1
1.0
1
0
0
100.0
1097.9
425.0
1522.9
View list
5
103089707
Nzimande, O (Oratile)
1
1.0
1
0
0
100.0
909.0
425.0
1334.0
View list
6
106083578
Namane, O (Orapeleng)
1
1.0
1
0
0
100.0
1097.9
425.0
1522.9
View list
7
201076063
Mxaxa, U (Unam)
1
1.0
1
0
0
100.0
951.5
425.0
1376.5
View list
8
102042448
Wasserman, M (Meirin)
1
1.0
1
0
0
100.0
1035.5
425.0
1460.5
View list
9
105054349
Wang, I (Ikai)
1
1.0
1
0
0
100.0
951.5
425.0
1376.5
View list
10
103069954
Diedericks, M (Mathiam)
1
1.0
1
0
0
100.0
951.5
425.0
1376.5
View list
11
1030109046
Benting, D (Dante)
1
1.0
1
0
0
100.0
951.5
425.0
1376.5
View list
12
104082609
Sukhoo, A (Aayush)
1
0.0
0
0
1
0.0
1097.9
-425.0
672.9
View list
13
104001642
Bedesi, TT (Tahil)
1
0.0
0
0
1
0.0
1035.5
-425.0
610.5
View list
14
101093764
Mavuso, T (Thamsanqa)
1
0.0
0
0
1
0.0
1097.9
-425.0
672.9
View list
15
102019898
Makhura, T (Thabang)
1
0.0
0
0
1
0.0
951.5
-425.0
526.5
View list
16
103014549
Joubert, D (Divan)
1
0.0
0
0
1
0.0
909.0
-425.0
484.0
View list
17
105008491
Dykema, JD (Joshua)
1
0.0
0
0
1
0.0
909.0
-425.0
484.0
View list
18
102008490
Dykema, DR (Dirkho)
1
0.0
0
0
1
0.0
1035.5
-425.0
610.5
View list