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Personal

Du Preez, D (Dean)

Chess SA id

1070098202

FIDE id

?

Date of birth

2007-05-07 (U20)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2020-01-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1147.9 1139.6 1200 1200
Raw rating 1147.9 1139.6 1200 1200
Weighted rating 1147.9 1139.6 1200 1200
Weighted performance 298.6 296.4 0 0
Floor 700 700 700 700
K-factor 36 36 36 36
Min/Max rating change allowed 178.6 180.7 165.8 165.8
Highest rating 1208.1
2019-10-01		 1200.9
2019-10-01		 1200
2018-10-01		 1200
2018-10-01
Highest raw rating 1200
2018-02-01		 1200
2018-02-01		 1200
2024-02-01		 1200
2024-02-01
Highest weighted rating 1200
2018-02-01		 1200
2018-02-01		 1200
2018-10-01		 1200
2018-10-01
Highest weighted performance 1208.1
2019-10-01		 1200.9
2019-10-01		 1200
2024-02-01		 1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1147.9 1139.6 1200 1200
Analysis
Rating 1147.9 1139.6 1200 1200
Raw rating 1147.9 1139.6 1200 1200
Weighted rating 1147.9 1139.6 1200
Weighted performance 298.6 296.4 0
K-factor 36 36 36 36
Floor 700 700 700 700
Max/Min rating change allowed 178.6 180.7 165.8 165.8
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 1147.9 1139.6 1200 1200
New weighted rating 1147.9 1139.6 1200 1200
New weighted performance 298.2 296 0 0
Temp new rating 1147.9 1139.6 1200 1200
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1147.9 1139.6 1200 1200
New K-factor 36 36 36 36
New floor 700 700 700 700

Item Main Standard Rapid Blitz
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
History 81 81 0 0

Games since
Main
0		 Standard
0		 Rapid
0		 Blitz
0
Gender Male
Age group U20
Region Ekurhuleni (GE)
Province Gauteng (GT)
Main
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U20 -1 -1 -1
U20 Male -1 -1 -1
Standard
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U20 -1 -1 -1
U20 Male -1 -1 -1
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U20 -1 -1 -1
U20 Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U20 -1 -1 -1
U20 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 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
History
Games Score % Dp AvgOpp Performance
Main 81 35 43.21 -57.7 1051.6 993.9
Standard 81 35 43.21 -57.7 1051.6 993.9
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-09-30 1147.9 1139.6 1200 1200
2025-09-01 1147.9 1139.6 1200 1200
2025-08-01 1147.9 1139.6 1200 1200
2025-07-01 1147.9 1139.6 1200 1200
2025-06-01 1147.9 1139.6 1200 1200
2025-05-01 1147.9 1139.6 1200 1200
2025-04-01 1147.9 1139.6 1200 1200
2025-03-01 1147.9 1139.6 1200 1200
2025-02-01 1147.9 1139.6 1200 1200
2025-01-01 1147.9 1139.6 1200 1200
2024-12-01 1147.9 1139.6 1200 1200
2024-11-01 1147.9 1139.6 1200 1200
2024-10-01 1147.9 1139.6 1200 1200
2024-09-01 1147.9 1139.6 1200 1200
2024-08-01 1147.9 1139.6 1200 1200
2024-07-01 1147.9 1139.6 1200 1200
2024-06-01 1147.9 1139.6 1200 1200
2024-08-01 1147.9 1139.6 1200 1200
2024-04-01 1147.9 1139.6 1200 1200
2024-03-01 1147.9 1139.6 1200 1200
2024-02-01 1147.9 1139.6 1200 1200
2024-01-01 1147.9 1139.6 1200 1200
2023-12-01 1147.9 1139.6 1200 1200
2023-11-01 1147.9 1139.6 1200 1200

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2019 South African Junior Team Championships (U14D) 2020-01-04 2020-01-08 Standard 4 Knights (4K) 7 7 2 Yes Analysis
2 GE vs GSV Inter Regional 2019 (U14A) 2019-10-26 2019-10-26 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
3 2019 Gauteng School League Finals (U13 Open) 2019-08-23 2019-08-23 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
4 Bishop Bavin Open 2019 (C) 2019-08-17 2019-08-17 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
5 Ekurhuleni Trials (3) 2019-06-08 2019-06-08 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
6 Ekurhuleni North School District Finals 2019 (U13 Boys) 2019-05-11 2019-05-11 Standard Ekurhuleni (GE) 5 5 2 Yes Analysis
7 Ekurhuleni Trials 1 2019 (U14) 2019-03-09 2019-03-09 Standard Ekurhuleni (GE) 5 5 2 Yes Analysis
8 Springs Chess Club Open 2019 (C) 2019-02-09 2019-02-09 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
9 Boksburg Open 2019 (C) 2019-01-19 2019-01-19 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
10 South African Junior Team Championships 2018 (U12D) 2018-12-16 2018-12-20 Standard 4 Knights (4K) 7 7 5 Yes Analysis
11 Inter Region GE vs JHB Metro 2018 (U12 Swiss) 2018-10-06 2018-10-06 Standard Ekurhuleni (GE) 5 4 0.5 Yes Analysis
12 Ekurhuleni Grand Prix Open 2018 (C) 2018-09-14 2018-09-15 Standard Ekurhuleni (GE) 6 5 1 Yes Analysis
13 Ekurhuleni North Schools Individuals 2018 (U11 Boys) 2018-05-12 2018-05-12 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
14 Ekurhuleni Trials 2 2018 (U12) 2018-04-21 2018-04-21 Standard Ekurhuleni (GE) 5 4 0 Yes Analysis
15 Human Rights Day Open 2018 (C) 2018-03-21 2018-03-21 Standard Ekurhuleni (GE) 5 4 0 Yes Analysis
16 Ekurhuleni Trials 1 2018 (U12) 2018-03-10 2018-03-10 Standard Ekurhuleni (GE) 5 5 1 Yes Analysis

Top 3 Streaks

# Games Start End
1 5 Tournament
GE vs GSV Inter Regional 2019		 Tournament
2019 South African Junior Team Championships
date
2019-10-26		 rnd
3		 type
Standard		 result
0.5		 date
2020-01-04		 rnd
2		 type
Standard		 result
1
Opponent
Human, LJ (Louis)		 Opponent
Basin, L (Louis)
2 4 Tournament
Ekurhuleni Trials		 Tournament
Bishop Bavin Open 2019
date
2019-06-08		 rnd
4		 type
Standard		 result
1		 date
2019-08-17		 rnd
2		 type
Standard		 result
1
Opponent
Gaokgorwe, O (Oatile)		 Opponent
Gxumisa, N (Nwabo)
3 4 Tournament
South African Junior Team Championships 2018		 Tournament
Boksburg Open 2019
date
2018-12-19		 rnd
6		 type
Standard		 result
1		 date
2019-01-19		 rnd
2		 type
Standard		 result
1
Opponent
Malan, JME (Johannes)		 Opponent
Rossouw, A (Alicia)
# Games Start End
1 5 Tournament
GE vs GSV Inter Regional 2019		 Tournament
2019 South African Junior Team Championships
date
2019-10-26		 rnd
3		 type
Standard		 result
0.5		 date
2020-01-04		 rnd
2		 type
Standard		 result
1
Opponent
Human, LJ (Louis)		 Opponent
Basin, L (Louis)
2 4 Tournament
Ekurhuleni Trials		 Tournament
Bishop Bavin Open 2019
date
2019-06-08		 rnd
4		 type
Standard		 result
1		 date
2019-08-17		 rnd
2		 type
Standard		 result
1
Opponent
Gaokgorwe, O (Oatile)		 Opponent
Gxumisa, N (Nwabo)
3 4 Tournament
South African Junior Team Championships 2018		 Tournament
Boksburg Open 2019
date
2018-12-19		 rnd
6		 type
Standard		 result
1		 date
2019-01-19		 rnd
2		 type
Standard		 result
1
Opponent
Malan, JME (Johannes)		 Opponent
Rossouw, A (Alicia)
No games found.
# Games Start End
No games found.
# Games Start End
# Games Start End
1 4 Tournament
GE vs GSV Inter Regional 2019		 Tournament
2019 South African Junior Team Championships
date
2019-10-26		 rnd
4		 type
Standard		 result
1		 date
2020-01-04		 rnd
2		 type
Standard		 result
1
Opponent
Eberwein, HJ (Heinrich)		 Opponent
Basin, L (Louis)
2 4 Tournament
Ekurhuleni Trials		 Tournament
Bishop Bavin Open 2019
date
2019-06-08		 rnd
4		 type
Standard		 result
1		 date
2019-08-17		 rnd
2		 type
Standard		 result
1
Opponent
Gaokgorwe, O (Oatile)		 Opponent
Gxumisa, N (Nwabo)
3 4 Tournament
South African Junior Team Championships 2018		 Tournament
Boksburg Open 2019
date
2018-12-19		 rnd
6		 type
Standard		 result
1		 date
2019-01-19		 rnd
2		 type
Standard		 result
1
Opponent
Malan, JME (Johannes)		 Opponent
Rossouw, A (Alicia)
# Games Start End
1 4 Tournament
GE vs GSV Inter Regional 2019		 Tournament
2019 South African Junior Team Championships
date
2019-10-26		 rnd
4		 type
Standard		 result
1		 date
2020-01-04		 rnd
2		 type
Standard		 result
1
Opponent
Eberwein, HJ (Heinrich)		 Opponent
Basin, L (Louis)
2 4 Tournament
Ekurhuleni Trials		 Tournament
Bishop Bavin Open 2019
date
2019-06-08		 rnd
4		 type
Standard		 result
1		 date
2019-08-17		 rnd
2		 type
Standard		 result
1
Opponent
Gaokgorwe, O (Oatile)		 Opponent
Gxumisa, N (Nwabo)
3 4 Tournament
South African Junior Team Championships 2018		 Tournament
Boksburg Open 2019
date
2018-12-19		 rnd
6		 type
Standard		 result
1		 date
2019-01-19		 rnd
2		 type
Standard		 result
1
Opponent
Malan, JME (Johannes)		 Opponent
Rossouw, A (Alicia)
No games found.
# Games Start End
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 Bothma ,L (Liandri) 2 2 425 2 2 425 0 0 0 0 0 0
953.9 1378.9 942.6 1378.9 0 0 0 0
2 Kruger ,C (Cornelius Johannes) 2 1 0 2 1 0 0 0 0 0 0 0
1210.8 1210.8 1200.2 1210.8 0 0 0 0
3 Matlala ,E (Emannuel) 2 2 425 2 2 425 0 0 0 0 0 0
931.2 1356.2 902.4 1356.2 0 0 0 0
4 Netshimbupfe ,W (Wanga) 2 0 -425 2 0 -425 0 0 0 0 0 0
912.3 487.3 908.6 487.3 0 0 0 0
5 Laeke ,N (Nahom) 2 0 -425 2 0 -425 0 0 0 0 0 0
784.8 359.8 731.2 359.8 0 0 0 0
6 De Swardt ,C (Chrizander) 2 0 -425 2 0 -425 0 0 0 0 0 0
768.7 343.7 769.1 343.7 0 0 0 0
7 Zeuner ,R (Reeze) 2 0 -425 2 0 -425 0 0 0 0 0 0
512.5 87.5 515.6 87.5 0 0 0 0
8 Van Niekerk ,C (Chris) 1 0 -425 1 0 -425 0 0 0 0 0 0
1166.1 741.1 1159.2 741.1 0 0 0 0
9 Singh ,N (Nimai) 1 1 425 1 1 425 0 0 0 0 0 0
1295.9 1720.9 1280.9 1720.9 0 0 0 0
10 Smith ,G (Gizelle) 1 1 425 1 1 425 0 0 0 0 0 0
1155.4 1580.4 1200 1580.4 0 0 0 0

Norms

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