PLAYER PAGE

Personal

Du Preez, J (Julian)

Chess SA id

1100096766

FIDE id

?

Date of birth

2010-10-20 (U16)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1294.2 1283.2 1213.6 1200
Raw rating 1278.2 1263.7 1213.6 1200
Weighted rating 1294.2 1283.2 1213.6 1200
Weighted performance 1081 1075 0 0
Floor 799.4 804.1 713.6 700
K-factor 36 36 36 36
Min/Max rating change allowed 148.3 151.4 162.6 165.8
Highest rating 1372.4
2018-02-01
1370.7
2018-02-01
1213.6
2024-02-01
1200
2018-10-01
Highest raw rating 1299.4
2024-06-01
1304.1
2018-03-01
1213.6
2024-02-01
1200
2024-02-01
Highest weighted rating 1296.4
2025-08-01
1285.9
2025-08-01
1213.6
2024-04-01
1200
2018-10-01
Highest weighted performance 1372.4
2018-02-01
1370.7
2018-02-01
1200
2018-02-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change -1.1 -1.3 0 0
New rating 1293.1 1281.9 1213.6 1200
Analysis
Rating 1294.2 1283.2 1213.6 1200
Raw rating 1278.2 1263.7 1213.6 1200
Weighted rating 1294.2 1283.2 1213.6
Weighted performance 1081 1075 0
K-factor 36 36 36 36
Floor 799.4 804.1 713.6 700
Max/Min rating change allowed 148.3 151.4 162.6 165.8
Games 0 0 0 0
Score 0 0 0 0
Expected score 0 0 0 0
Score-Expected 0 0 0 0
Temp raw +/- 0 0 0 0
Final raw +/- 0 0 0 0
New raw rating 1278.2 1263.7 1213.6 1200
New weighted rating 1293.1 1281.9 1213.6 1200
New weighted performance 1080.6 1074.5 0 0
Temp new rating 1293.1 1281.9 1213.6 1200
Temp new rating +/- -1.1 -1.3 0 0
Final new rating +/- -1.1 -1.3 0 0
New rating 1293.1 1281.9 1213.6 1200
New K-factor 36 36 36 36
New floor 799.4 804.1 713.6 700

Item Main Standard Rapid Blitz
0 0 0 0
5 5 0 0
5 5 0 0
10 10 0 0
16 10 6 0
0 0 0 0
History 238 222 16 0

Games since
Main
10
Standard
10
Rapid
0
Blitz
0
Gender Male
Age group U16
Region Tshwane (GTP)
Province Gauteng (GT)
Main
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 Male -1 -1 -1
Standard
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 Male -1 -1 -1
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 Male -1 -1 -1

Games Score % Dp AvgOpp Performance
Main 0 0 0 0 0 0
Standard 0 0 0 0 0 0
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
Games Score % Dp AvgOpp Performance
Main 5 2 40 -85 1270.7 1185.7
Standard 5 2 40 -85 1270.7 1185.7
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 238 124.5 52.31 19.6 1138.3 1157.9
Standard 222 113.5 51.13 9.6 1137.2 1146.8
Rapid 16 11 68.75 159.4 1153 1312.4
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-09-30 1278.2 1263.7 1213.6 1200
2025-09-01 1278.2 1263.7 1213.6 1200
2025-08-01 1299.4 1289.7 1213.6 1200
2025-07-01 1299.4 1289.7 1213.6 1200
2025-06-01 1299.4 1289.7 1213.6 1200
2025-05-01 1299.4 1289.7 1213.6 1200
2025-04-01 1299.4 1289.7 1213.6 1200
2025-03-01 1299.4 1289.7 1213.6 1200
2025-02-01 1299.4 1289.7 1213.6 1200
2025-01-01 1299.4 1289.7 1213.6 1200
2024-12-01 1299.4 1289.7 1213.6 1200
2024-11-01 1299.4 1289.7 1213.6 1200
2024-10-01 1299.4 1289.7 1213.6 1200
2024-09-01 1299.4 1289.7 1213.6 1200
2024-08-01 1299.4 1289.7 1213.6 1200
2024-07-01 1299.4 1289.7 1213.6 1200
2024-06-01 1299.4 1289.7 1213.6 1200
2024-08-01 1279.4 1264.1 1213.6 1200
2024-04-01 1279.4 1264.1 1213.6 1200
2024-03-01 1279.4 1264.1 1213.6 1200
2024-02-01 1279.4 1264.1 1213.6 1200
2024-01-01 1279.4 1264.1 1213.6 1200
2023-12-01 1279.4 1264.1 1213.6 1200
2023-11-01 1279.4 1264.1 1213.6 1200

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Tshwane South School District CLOSED League Championship (U15A) 2025-08-16 2025-08-16 Standard Tshwane (GTP) 5 5 2 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Tshwane South School District CLOSED League Championship (U15A) 2025-08-16 2025-08-16 Standard Tshwane (GTP) 5 5 2 Yes Analysis
2 2024 Tshwane South School District CLOSED Individual Championships (U15 Mixed) 2024-05-11 2024-05-11 Standard Tshwane (GTP) 5 5 3 Yes Analysis
3 2023 Tshwane South School District CLOSED League Championship (U13) 2023-07-29 2023-07-29 Standard Tshwane (GTP) 5 5 3 Yes Analysis
4 2023 Tshwane South School District CLOSED Individual Championships (U13 Open) 2023-04-22 2023-04-22 Standard Tshwane (GTP) 5 5 3 Yes Analysis
5 D4 Play Offs 2022 (U13) 2022-07-30 2022-07-30 Standard Tshwane (GTP) 5 5 3 Yes Analysis
6 D4 Individuals 2022 (U13 Open) 2022-04-23 2022-04-23 Rapid Tshwane (GTP) 7 6 4.5 Yes Analysis
7 2022 Tshwane Chess Open Registration Tournament (C2) 2022-01-29 2022-01-29 Standard Tshwane (GTP) 5 5 1 Yes Analysis
8 2020 Waterkloof Open (C) 2020-02-29 2020-03-01 Standard Tshwane (GTP) 5 5 3 Yes Analysis
9 2020 Constantiapark Open Chess Tournament (C) 2020-02-08 2020-02-08 Standard Tshwane (GTP) 5 4 2 Yes Analysis
10 2020 Blou Bul (C) 2020-02-15 2020-02-15 Standard Tshwane (GTP) 5 5 2 Yes Analysis
11 2020 Registration Tournament (C) 2020-01-25 2020-01-25 Standard Tshwane (GTP) 5 5 1.5 Yes Analysis
12 2019 Wild Card Chess Championship (U10 Open) 2020-01-09 2020-01-12 Standard 4 Knights (4K) 7 7 3.5 Yes Analysis
13 2019 South African Junior Team Championships (U10A) 2020-01-04 2020-01-08 Standard 4 Knights (4K) 7 7 3 Yes Analysis
14 2019 TC SAJCC Prep Tournament (B) 2019-11-30 2019-11-30 Standard Tshwane (GTP) 5 5 3 Yes Analysis
15 2019 Lardies Open (C) 2019-10-26 2019-10-26 Standard Tshwane (GTP) 5 4 1 Yes Analysis
16 2019 Etienne Lewis Trials (U10 Boys) 2019-08-30 2019-09-01 Standard Tshwane (GTP) 7 7 4 Yes Analysis
17 2019 Mid-Gauteng Open (C) 2019-08-17 2019-08-17 Standard Tshwane (GTP) 5 5 1 Yes Analysis
18 2019 Alekhine Open (C) 2019-08-09 2019-08-10 Standard Tshwane (GTP) 5 4 0 Yes Analysis
19 2019 Menlo Open (C) 2019-07-13 2019-07-13 Standard Tshwane (GTP) 5 5 1 Yes Analysis
20 2019 D4 Tshwane South Schools League Team Finals (U9) 2019-07-27 2019-07-27 Standard Tshwane (GTP) 5 5 4 Yes Analysis
21 2019 Swartkop Open (D) 2019-06-15 2019-06-15 Standard Tshwane (GTP) 5 5 5 Yes Analysis
22 2019 Super 12 Laerskole (Juniors) 2019-05-04 2019-05-04 Rapid Tshwane (GTP) 5 5 4 Yes Analysis
23 2019 Lubowski Open Tournament (D) 2019-05-11 2019-05-12 Standard Tshwane (GTP) 5 5 4 Yes Analysis
24 2019 Chris Greyling (C) 2019-04-27 2019-04-27 Standard Tshwane (GTP) 5 5 0 Yes Analysis
25 2019 Capablanca Chess Festival (C) 2019-04-19 2019-04-21 Standard Tshwane (GTP) 7 7 1 Yes Analysis
26 2019 Waterkloof Open (D) 2019-03-02 2019-03-03 Standard Tshwane (GTP) 5 5 4 Yes Analysis
27 2019 D4 Individual Finals (U9 Mixed) 2019-03-09 2019-03-09 Standard Tshwane (GTP) 5 5 3 Yes Analysis
28 2019 TuksChess Open (C) 2019-02-23 2019-02-23 Standard Tshwane (GTP) 5 5 3 Yes Analysis
29 2019 Blou Bul (D) 2019-02-16 2019-02-16 Standard Tshwane (GTP) 5 5 3 Yes Analysis
30 2019 Tshwane Chess Registration Tournament (D) 2019-01-26 2019-01-26 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
31 2018 Etienne Lewis Trials (U10 Boys) 2018-08-31 2018-09-02 Standard Tshwane (GTP) 7 7 4 Yes Analysis
32 2018 Centurion Chess Club Open (D) 2018-09-29 2018-09-29 Standard Tshwane (GTP) 5 5 3 Yes Analysis
33 2018 Mid Gauteng Open (D) 2018-08-18 2018-08-18 Standard Tshwane (GTP) 5 5 3 Yes Analysis
34 2018 Alekhine Open (D) 2018-08-09 2018-08-11 Standard Tshwane (GTP) 6 6 3 Yes Analysis
35 2018 Menlo Open Chess Tournament (D) 2018-07-21 2018-07-21 Standard Tshwane (GTP) 5 5 2 Yes Analysis
36 2018 Swartkop Open (D) 2018-06-23 2018-06-23 Standard Tshwane (GTP) 5 5 2 Yes Analysis
37 2018 Lubowski Open (D) 2018-05-12 2018-05-12 Standard Tshwane (GTP) 5 5 2 Yes Analysis
38 2018 Super 12 (Junior) 2018-05-05 2018-05-05 Rapid Tshwane (GTP) 5 5 2.5 Yes Analysis
39 2018 Chris Greyling Open (D) 2018-04-21 2018-04-21 Standard Tshwane (GTP) 5 5 3 Yes Analysis
40 2018 Capablanca Swiss (D) 2018-04-27 2018-04-27 Standard Tshwane (GTP) 5 5 2 Yes Analysis
41 2018 Waterkloof Open (F) 2018-03-03 2018-03-04 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
42 2018 D4 Tshwane North Individual Chess Championships (U9 Boys) 2018-03-10 2018-03-10 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
43 2018 Crawford Open (E) 2018-03-24 2018-03-24 Standard Tshwane (GTP) 5 5 3 Yes Analysis
44 2018 Constantia Park Open (F) 2018-02-10 2018-02-10 Standard Tshwane (GTP) 5 5 5 Yes Analysis
45 2018 Blou Bul Open (F) 2018-02-17 2018-02-17 Standard Tshwane (GTP) 5 5 4 Yes Analysis
46 2018 Tshwane Registration Open Chess Tournament (E) 2018-01-27 2018-01-27 Standard Tshwane (GTP) 5 4 1 Yes Analysis

Top 3 Streaks

# Games Start End
1 8 Tournament
D4 Individuals 2022
Tournament
D4 Play Offs 2022
date
2022-04-23
rnd
3
type
Rapid
result
1
date
2022-07-30
rnd
3
type
Standard
result
1
Opponent
Van Der Merwe, R (Ruben)
Opponent
Vermeulen, T (Tiaan Leon)
2 7 Tournament
2019 Lubowski Open Tournament
Tournament
2019 Swartkop Open
date
2019-05-12
rnd
4
type
Standard
result
1
date
2019-06-15
rnd
5
type
Standard
result
1
Opponent
Olivier, BM (Barnard)
Opponent
Doyle, R (Ronan)
3 7 Tournament
2019 Super 12 Laerskole
Tournament
2019 Lubowski Open Tournament
date
2019-05-04
rnd
1
type
Rapid
result
1
date
2019-05-11
rnd
2
type
Standard
result
1
Opponent
Rautenbach, H (Helen Christine)
Opponent
Pillay, T (Tahir)
# Games Start End
1 7 Tournament
2019 Lubowski Open Tournament
Tournament
2019 Swartkop Open
date
2019-05-12
rnd
4
type
Standard
result
1
date
2019-06-15
rnd
5
type
Standard
result
1
Opponent
Olivier, BM (Barnard)
Opponent
Doyle, R (Ronan)
2 7 Tournament
2018 Tshwane Registration Open Chess Tournament
Tournament
2018 Blou Bul Open
date
2018-01-27
rnd
5
type
Standard
result
1
date
2018-02-17
rnd
1
type
Standard
result
1
Opponent
Ndubuisi, D (David)
Opponent
Fisher, NW (Nathan)
3 5 Tournament
2019 Tshwane Chess Registration Tournament
Tournament
2019 Blou Bul
date
2019-01-26
rnd
2
type
Standard
result
0.5
date
2019-02-16
rnd
1
type
Standard
result
1
Opponent
Mokoena, GP (Gonase)
Opponent
Ferreira, L (Louis)
# Games Start End
1 7 Tournament
2018 Super 12
Tournament
2019 Super 12 Laerskole
date
2018-05-05
rnd
4
type
Rapid
result
0.5
date
2019-05-04
rnd
5
type
Rapid
result
0.5
Opponent
Geldenhuys, M (Marnus)
Opponent
Van Romburgh, DS (Daniel)
2 5 Tournament
D4 Individuals 2022
Tournament
D4 Individuals 2022
date
2022-04-23
rnd
3
type
Rapid
result
1
date
2022-04-23
rnd
7
type
Rapid
result
1
Opponent
Van Der Merwe, R (Ruben)
Opponent
Anderson, AP (Aidan)
3 1 Tournament
2018 Super 12
Tournament
2018 Super 12
date
2018-05-05
rnd
2
type
Rapid
result
1
date
2018-05-05
rnd
2
type
Rapid
result
1
Opponent
Mentz, A (Armand Jurgens)
Opponent
Mentz, A (Armand Jurgens)
No games found.
# Games Start End
# Games Start End
1 7 Tournament
2019 Lubowski Open Tournament
Tournament
2019 Swartkop Open
date
2019-05-12
rnd
4
type
Standard
result
1
date
2019-06-15
rnd
5
type
Standard
result
1
Opponent
Olivier, BM (Barnard)
Opponent
Doyle, R (Ronan)
2 7 Tournament
2018 Tshwane Registration Open Chess Tournament
Tournament
2018 Blou Bul Open
date
2018-01-27
rnd
5
type
Standard
result
1
date
2018-02-17
rnd
1
type
Standard
result
1
Opponent
Ndubuisi, D (David)
Opponent
Fisher, NW (Nathan)
3 5 Tournament
D4 Individuals 2022
Tournament
D4 Play Offs 2022
date
2022-04-23
rnd
6
type
Rapid
result
1
date
2022-07-30
rnd
3
type
Standard
result
1
Opponent
Gerber, J (Juandre)
Opponent
Vermeulen, T (Tiaan Leon)
# Games Start End
1 7 Tournament
2019 Lubowski Open Tournament
Tournament
2019 Swartkop Open
date
2019-05-12
rnd
4
type
Standard
result
1
date
2019-06-15
rnd
5
type
Standard
result
1
Opponent
Olivier, BM (Barnard)
Opponent
Doyle, R (Ronan)
2 7 Tournament
2018 Tshwane Registration Open Chess Tournament
Tournament
2018 Blou Bul Open
date
2018-01-27
rnd
5
type
Standard
result
1
date
2018-02-17
rnd
1
type
Standard
result
1
Opponent
Ndubuisi, D (David)
Opponent
Fisher, NW (Nathan)
3 4 Tournament
2019 D4 Tshwane South Schools League Team Finals
Tournament
2019 D4 Tshwane South Schools League Team Finals
date
2019-07-27
rnd
2
type
Standard
result
1
date
2019-07-27
rnd
5
type
Standard
result
1
Opponent
Sutherland, R (Reuben)
Opponent
Maheshi, R (Rehaan)
# Games Start End
1 3 Tournament
2018 Super 12
Tournament
2019 Super 12 Laerskole
date
2018-05-05
rnd
5
type
Rapid
result
1
date
2019-05-04
rnd
2
type
Rapid
result
1
Opponent
Jansen Van Rensburg, S (Stefan)
Opponent
Geulpa, T (Theo)
2 2 Tournament
D4 Individuals 2022
Tournament
D4 Individuals 2022
date
2022-04-23
rnd
6
type
Rapid
result
1
date
2022-04-23
rnd
7
type
Rapid
result
1
Opponent
Gerber, J (Juandre)
Opponent
Anderson, AP (Aidan)
3 2 Tournament
D4 Individuals 2022
Tournament
D4 Individuals 2022
date
2022-04-23
rnd
3
type
Rapid
result
1
date
2022-04-23
rnd
4
type
Rapid
result
1
Opponent
Van Der Merwe, R (Ruben)
Opponent
Lourens, J (Jurgen)
No games found.
# Games Start End

Top 10 opponents most often played

# Opponent Main Standard Rapid Blitz
Gms Score Dp Gms Score Dp Gms Score Dp Gms Score Dp
Aor Prat Aor Prat Aor Prat Aor Prat
1 Jacobs ,L (Lenita) 5 2 -85 5 2 -85 0 0 0 0 0 0
1155.2 1070.2 1147.2 1070.2 0 0 0 0
2 Bonokwane ,K (Kgalalelo) 4 2.5 106.2 4 2.5 106.2 0 0 0 0 0 0
1220.5 1326.7 1211.8 1326.7 0 0 0 0
3 Yang ,JD (Daniel) 4 3 212.5 4 3 212.5 0 0 0 0 0 0
1253.2 1465.8 1241.2 1465.8 0 0 0 0
4 Niehaus ,SJ (Samuel Johannes) 4 2 0 3 2 141.7 1 0 -425 0 0 0
1161.2 1161.2 1184.9 1302.9 1200 736.2 0 0
5 Olivier ,BM (Barnard Markus) 4 1.5 -106.2 3 1 -141.7 1 0.5 0 0 0 0
1040.7 934.4 994 899 1199.6 1040.7 0 0
6 Pillay ,T (Tahir) 3 3 425 3 3 425 0 0 0 0 0 0
1256.7 1681.7 1254.5 1681.7 0 0 0 0
7 Ferreira ,L (Louis) 3 3 425 3 3 425 0 0 0 0 0 0
1120.2 1545.2 1104.7 1545.2 0 0 0 0
8 Moolman ,R (Reinhardt) 3 0 -425 3 0 -425 0 0 0 0 0 0
1178 753 1169.3 753 0 0 0 0
9 Van Der Walt ,AJ (Antonie Johannes) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
946.8 1088.4 891.5 1088.4 0 0 0 0
10 Odendaal ,Z (Zandri) 3 0 -425 3 0 -425 0 0 0 0 0 0
1158.8 733.8 1158.2 733.8 0 0 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
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