Chess South Africa
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Chess South Africa
Du Preez, J (Julian)
Dob:
2010/10/20 (U16)
Gender:
Male
Chess SA id:
1100096766
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (41 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
1299.4
Current Weighted rating
1270.7
Current Weighted performance
1223.5
Current official/published rating (highest between Raw, WR and WP)
1299.4
Current highest rating achieved
1299.4
Current floor (min rating allowed)
799.4
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)
±143.9
Current Raw change used (final)
0.0
Projected new Raw rating
1299.4
Projected new Weighed rating
1170.0
Projected new Weighted performance
1223.5
Projected new final Raw rating (if new WP > new Raw)
1299.4
Projected new highest rating
1299.4
Projected new floor
799.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1299.4
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
1289.7
Current Weighted rating
1251.0
Current Weighted performance
1203.0
Current official/published rating (highest between Raw, WR and WP)
1289.7
Current highest rating achieved
1304.1
Current floor (min rating allowed)
804.1
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)
±145.9
Current Raw change used (final)
0.0
Projected new Raw rating
1289.7
Projected new Weighed rating
1152.3
Projected new Weighted performance
1203.0
Projected new final Raw rating (if new WP > new Raw)
1289.7
Projected new highest rating
1304.1
Projected new floor
804.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1289.7
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
1213.6
Current Weighted rating
1213.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1213.6
Current highest rating achieved
1213.6
Current floor (min rating allowed)
713.6
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)
±162.6
Current Raw change used (final)
0.0
Projected new Raw rating
1213.6
Projected new Weighed rating
1116.5
Projected new Weighted performance
527.3
Projected new final Raw rating (if new WP > new Raw)
1213.6
Projected new highest rating
1213.6
Projected new floor
713.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1213.6
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
1
2024 Tshwane South School District CLOSED Individual Championships (U15 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1279.4
1264.1
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
45
2024 Tshwane South School District CLOSED Individual Championships (U15 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1279.4
1264.1
Analysis
44
2023 Tshwane South School District CLOSED League Championship (U13)
2023/07/29
2023/07/29
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1249.2
1221.6
Analysis
43
2023 Tshwane South School District CLOSED Individual Championships (U13 Open)
2023/04/22
2023/04/22
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1233.1
1194.2
Analysis
42
D4 Play Offs 2022 (U13)
2022/07/30
2022/07/30
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1207.4
1155.3
Analysis
41
D4 Individuals 2022 (U13 Open)
2022/04/23
2022/04/23
Tshwane (GTP)
Rapid
30
0.60
7
6
4.5
1174.6
1187.6
Analysis
40
2022 Tshwane Chess Open Registration Tournament (C2)
2022/01/29
2022/01/29
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1224.5
1215.8
Analysis
39
2020 Waterkloof Open (C)
2020/02/29
2020/03/01
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1180.2
1172.6
Analysis
38
2020 Blou Bul (C)
2020/02/15
2020/02/15
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1167.1
1152.8
Analysis
37
2020 Constantiapark Open Chess Tournament (C)
2020/02/08
2020/02/08
Tshwane (GTP)
Standard
60
0.83
5
4
2.0
1167.1
1152.8
Analysis
36
2020 Registration Tournament (C)
2020/01/25
2020/01/25
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1148.4
1122.2
Analysis
35
2019 Wild Card Chess Championship (U10 Open)
2020/01/09
2020/01/12
4 Knights (4K)
Standard
120
1.00
7
7
3.5
1148.4
1122.2
Analysis
34
2019 South African Junior Team Championships (U10A)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
3.0
1148.4
1122.2
Analysis
33
2019 TC SAJCC Prep Tournament (B)
2019/11/30
2019/11/30
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1137.9
1104.9
Analysis
32
2019 Lardies Open (C)
2019/10/26
2019/10/26
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1156.4
1122.9
Analysis
31
2019 Etienne Lewis Trials (U10 Boys)
2019/08/30
2019/09/01
Tshwane (GTP)
Standard
120
1.00
7
7
4.0
1107.8
1064.6
Analysis
30
2019 Mid-Gauteng Open (C)
2019/08/17
2019/08/17
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1238.6
1187.7
Analysis
29
2019 Alekhine Open (C)
2019/08/09
2019/08/10
Tshwane (GTP)
Standard
120
1.00
5
4
0.0
1238.6
1187.7
Analysis
28
2019 D4 Tshwane South Schools League Team Finals (U9)
2019/07/27
2019/07/27
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1238.9
1199.1
Analysis
27
2019 Menlo Open (C)
2019/07/13
2019/07/13
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1238.9
1199.1
Analysis
26
2019 Swartkop Open (D)
2019/06/15
2019/06/15
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1202.1
1149.4
Analysis
1
2
3
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
3
0
2
3.0
60.0
85.0
1314.0
1399.0
White
3
1
0
2
1.0
33.3
-141.7
1406.3
1264.6
Black
2
2
0
0
2.0
100.0
425.0
1175.7
1600.7
Standard
All
5
3
0
2
3.0
60.0
85.0
1314.0
1399.0
White
3
1
0
2
1.0
33.3
-141.7
1406.3
1264.6
Black
2
2
0
0
2.0
100.0
425.0
1175.7
1600.7
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
233
118
9
106
122.5
52.6
21.9
1135.4
1157.3
White
115
57
5
53
59.5
51.7
14.8
1145.5
1160.3
Black
118
61
4
53
63.0
53.4
28.8
1125.6
1154.4
Standard
All
217
109
5
103
111.5
51.4
11.8
1134.1
1145.9
White
107
54
3
50
55.5
51.9
15.9
1147.0
1162.9
Black
110
55
2
53
56.0
50.9
7.7
1121.6
1129.3
Rapid
All
16
9
4
3
11.0
68.8
159.4
1153.0
1312.4
White
8
3
2
3
4.0
50.0
0.0
1125.1
1125.1
Black
8
6
2
0
7.0
87.5
318.8
1181.0
1499.7
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
205086771
Jacobs, L (Lenita)
5
2.0
2
0
3
40.0
1125.2
-85.0
1040.2
View list
2
1120096779
Yang, JD (Daniel)
4
3.0
3
0
1
75.0
1188.3
212.5
1400.8
View list
3
1080108322
Bonokwane, K (Kgalalelo)
4
2.5
2
1
1
62.5
1166.6
106.3
1272.8
View list
4
1100107659
Niehaus, SJ (Samuel)
4
2.0
2
0
2
50.0
1188.6
0.0
1188.6
View list
5
109095317
Olivier, BM (Barnard)
4
1.5
1
1
2
37.5
1136.9
-106.3
1030.7
View list
6
1080108331
Ferreira, L (Louis)
3
3.0
3
0
0
100.0
1108.0
425.0
1533.0
View list
7
111088592
Pillay, T (Tahir)
3
3.0
3
0
0
100.0
1161.4
425.0
1586.4
View list
8
110089426
Van Der Walt, AJ (Antonie)
3
2.0
2
0
1
66.7
1072.9
141.7
1214.5
View list
9
2080106625
Van Der Merwe, C (Clara)
3
1.0
1
0
2
33.3
1220.6
-141.7
1078.9
View list
10
109092649
Webb, K (Kagan)
3
1.0
1
0
2
33.3
1112.0
-141.7
970.4
View list
11
108064862
Moolman, R (Reinhardt)
3
0.0
0
0
3
0.0
1132.3
-425.0
707.3
View list
12
207077152
Odendaal, Z (Zandri)
3
0.0
0
0
3
0.0
1214.3
-425.0
789.3
View list
13
1080097218
Beukes, A (Anton)
2
2.0
2
0
0
100.0
1065.1
425.0
1490.1
View list
14
209073138
Johnstone, J (Jessica)
2
2.0
2
0
0
100.0
1194.5
425.0
1619.5
View list
15
1090097848
Kubheka, T (Thando)
2
2.0
2
0
0
100.0
1236.5
425.0
1661.5
View list
16
110095325
Lourens, J (Jurgen)
2
2.0
2
0
0
100.0
1177.4
425.0
1602.4
View list
17
1100097226
Marais, JS (Jacobus)
2
2.0
2
0
0
100.0
1169.5
425.0
1594.5
View list
18
1100097309
O Rourke, R (Ronan)
2
2.0
2
0
0
100.0
1208.8
425.0
1633.8
View list
19
1090109363
Snyman, CW (Connor William)
2
2.0
2
0
0
100.0
1124.3
425.0
1549.3
View list
20
110092655
Sutherland, R (Reuben)
2
2.0
2
0
0
100.0
1173.3
425.0
1598.3
View list