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Personal

Robbertse, D (Duncan)

Chess SA id

1110141864

FIDE id

?

Date of birth

2011-04-18 (U16)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2022-08-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1154.7 1145.1 1200 1200
Raw rating 1154.7 1145.1 1200 1200
Weighted rating 1154.7 1145.1 1200 1200
Weighted performance 0 0 0 0
Floor 701.3 701.6 700 700
K-factor 36 36 36 36
Min/Max rating change allowed 176.9 179.3 165.8 165.8
Highest rating 1201.3
2022-07-01		 1201.6
2022-07-01		 1200
2018-10-01		 1200
2018-10-01
Highest raw rating 1201.3
2022-07-01		 1201.6
2022-07-01		 1200
2024-02-01		 1200
2024-02-01
Highest weighted rating 1201.3
2022-08-01		 1201.6
2022-08-01		 1200
2018-10-01		 1200
2018-10-01
Highest weighted performance 1201.2
2022-06-01		 1201.2
2022-06-01		 1200
2024-02-01		 1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1154.7 1145.1 1200 1200
Analysis
Rating 1154.7 1145.1 1200 1200
Raw rating 1154.7 1145.1 1200 1200
Weighted rating 1154.7 1145.1 1200
Weighted performance 0 0 0
K-factor 36 36 36 36
Floor 701.3 701.6 700 700
Max/Min rating change allowed 176.9 179.3 165.8 165.8
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 1154.7 1145.1 1200 1200
New weighted rating 1154.7 1145.1 1200 1200
New weighted performance 0 0 0 0
Temp new rating 1154.7 1145.1 1200 1200
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1154.7 1145.1 1200 1200
New K-factor 36 36 36 36
New floor 701.3 701.6 700 700

Item Main Standard Rapid Blitz
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
10 10 0 0
0 0 0 0
History 10 10 0 0

Games since
Main
0		 Standard
0		 Rapid
0		 Blitz
0
Gender Male
Age group U16
Region Sedibeng (GSV)
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 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 10 3.5 35 -127.5 1198.1 1070.6
Standard 10 3.5 35 -127.5 1198.1 1070.6
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-09-30 1154.7 1145.1 1200 1200
2025-09-01 1154.7 1145.1 1200 1200
2025-08-01 1154.7 1145.1 1200 1200
2025-07-01 1154.7 1145.1 1200 1200
2025-06-01 1154.7 1145.1 1200 1200
2025-05-01 1154.7 1145.1 1200 1200
2025-04-01 1154.7 1145.1 1200 1200
2025-03-01 1154.7 1145.1 1200 1200
2025-02-01 1154.7 1145.1 1200 1200
2025-01-01 1154.7 1145.1 1200 1200
2024-12-01 1154.7 1145.1 1200 1200
2024-11-01 1154.7 1145.1 1200 1200
2024-10-01 1154.7 1145.1 1200 1200
2024-09-01 1154.7 1145.1 1200 1200
2024-08-01 1154.7 1145.1 1200 1200
2024-07-01 1154.7 1145.1 1200 1200
2024-06-01 1154.7 1145.1 1200 1200
2024-08-01 1154.7 1145.1 1200 1200
2024-04-01 1154.7 1145.1 1200 1200
2024-03-01 1154.7 1145.1 1200 1200
2024-02-01 1154.7 1145.1 1200 1200
2024-01-01 1154.7 1145.1 1200 1200
2023-12-01 1154.7 1145.1 1200 1200
2023-11-01 1154.7 1145.1 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 D7 Teams 2022 (U9+U11 Mixed) 2022-08-13 2022-08-13 Standard Sedibeng (GSV) 5 5 1 Yes Analysis
2 Gaueng Schools D7 2022 (U11 Boys) 2022-06-04 2022-06-04 Standard Sedibeng (GSV) 5 5 2.5 Yes Analysis

Top 3 Streaks

# Games Start End
1 4 Tournament
Gaueng Schools D7 2022		 Tournament
D7 Teams 2022
date
2022-06-04		 rnd
3		 type
Standard		 result
1		 date
2022-08-13		 rnd
1		 type
Standard		 result
1
Opponent
Madontsela, L (Lithle)		 Opponent
Van Niekerk, K (Kaylee)
# Games Start End
1 4 Tournament
Gaueng Schools D7 2022		 Tournament
D7 Teams 2022
date
2022-06-04		 rnd
3		 type
Standard		 result
1		 date
2022-08-13		 rnd
1		 type
Standard		 result
1
Opponent
Madontsela, L (Lithle)		 Opponent
Van Niekerk, K (Kaylee)
No games found.
# Games Start End
No games found.
# Games Start End
# Games Start End
1 2 Tournament
Gaueng Schools D7 2022		 Tournament
Gaueng Schools D7 2022
date
2022-06-04		 rnd
3		 type
Standard		 result
1		 date
2022-06-04		 rnd
4		 type
Standard		 result
1
Opponent
Madontsela, L (Lithle)		 Opponent
Kabelo, M (Malefabe)
2 1 Tournament
D7 Teams 2022		 Tournament
D7 Teams 2022
date
2022-08-13		 rnd
1		 type
Standard		 result
1		 date
2022-08-13		 rnd
1		 type
Standard		 result
1
Opponent
Van Niekerk, K (Kaylee)		 Opponent
Van Niekerk, K (Kaylee)
# Games Start End
1 2 Tournament
Gaueng Schools D7 2022		 Tournament
Gaueng Schools D7 2022
date
2022-06-04		 rnd
3		 type
Standard		 result
1		 date
2022-06-04		 rnd
4		 type
Standard		 result
1
Opponent
Madontsela, L (Lithle)		 Opponent
Kabelo, M (Malefabe)
2 1 Tournament
D7 Teams 2022		 Tournament
D7 Teams 2022
date
2022-08-13		 rnd
1		 type
Standard		 result
1		 date
2022-08-13		 rnd
1		 type
Standard		 result
1
Opponent
Van Niekerk, K (Kaylee)		 Opponent
Van Niekerk, K (Kaylee)
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 Kharafu ,OA (Oratile Augustine) 1 0 -425 1 0 -425 0 0 0 0 0 0
1200 775 1200 775 0 0 0 0
2 Dipitso ,A (Amehelang) 1 0 -425 1 0 -425 0 0 0 0 0 0
1200 775 1200 775 0 0 0 0
3 Barkhuizen ,S (Skye) 1 0 -425 1 0 -425 0 0 0 0 0 0
1200 775 1200 775 0 0 0 0
4 Kabelo ,M (Malefabe) 1 1 425 1 1 425 0 0 0 0 0 0
1200 1625 1200 1625 0 0 0 0
5 Coetzer ,A (Ashlynn) 1 0 -425 1 0 -425 0 0 0 0 0 0
1200 775 1200 775 0 0 0 0
6 Madontsela ,L (Lithle) 1 1 425 1 1 425 0 0 0 0 0 0
1200 1625 1200 1625 0 0 0 0
7 Van Niekerk ,K (Kaylee) 1 1 425 1 1 425 0 0 0 0 0 0
1199 1624 1198.4 1624 0 0 0 0
8 Malefetsi ,S (Sibonginkosi) 1 0 -425 1 0 -425 0 0 0 0 0 0
1182.1 757.1 1178.8 757.1 0 0 0 0
9 Marais ,L (Louis) 1 0 -425 1 0 -425 0 0 0 0 0 0
1200 775 1200 775 0 0 0 0
10 Selala ,L (Lebatho) 1 0.5 0 1 0.5 0 0 0 0 0 0 0
1200 1200 1200 1200 0 0 0 0

Norms

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