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Personal

Hartzenberg, D (David)

Chess SA id

169011954

FIDE id

?

Date of birth

1969-10-22 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2023-09-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1627.5 1626.2 1671 1671
Raw rating 1627.5 1626.2 1671 1671
Weighted rating 1626.5 1625.2 1670.9 1670.9
Weighted performance 0 0 0 0
Floor 1159 1159 1171 1171
K-factor 28 28 28 28
Min/Max rating change allowed 90.2 90.4 84.8 84.8
Highest rating 1659
2018-10-01		 1659
2018-10-01		 1671
2024-02-01		 1671
2024-02-01
Highest raw rating 1659
2019-12-01		 1659
2019-12-01		 1671
2024-02-01		 1671
2024-02-01
Highest weighted rating 1659
2018-10-01		 1659
2018-10-01		 1670.6
2025-08-01		 1670.6
2025-08-01
Highest weighted performance 1200
2019-12-01		 1200
2019-12-01		 1200
2024-02-01		 1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1627.5 1626.2 1671 1671
Analysis
Rating 1627.5 1626.2 1671 1671
Raw rating 1627.5 1626.2 1671 1671
Weighted rating 1626.5 1625.2 1670.9
Weighted performance 0 0 0
K-factor 28 28 28 28
Floor 1159 1159 1171 1171
Max/Min rating change allowed 90.2 90.4 84.8 84.8
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 1627.5 1626.2 1671 1671
New weighted rating 1626.6 1625.3 1671 1671
New weighted performance 0 0 0 0
Temp new rating 1627.5 1626.2 1671 1671
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1627.5 1626.2 1671 1671
New K-factor 28 28 28 28
New floor 1159 1159 1171 1171

Item Main Standard Rapid Blitz
0 0 0 0
0 0 0 0
0 0 0 0
2 2 0 0
0 0 0 0
0 0 0 0
History 45 45 0 0

Games since
Main
0		 Standard
0		 Rapid
0		 Blitz
0
Gender Male
Age group Adult
Region Cape Town (WCT)
Province Western Cape (WC)
Main
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
Adult -1 -1 -1
Adult Male -1 -1 -1
Standard
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
Adult -1 -1 -1
Adult Male -1 -1 -1
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
Adult -1 -1 -1
Adult Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
Adult -1 -1 -1
Adult 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 2 0 0 -425 1531.4 1106.4
Standard 2 0 0 -425 1531.4 1106.4
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-09-30 1627.5 1626.2 1671 1671
2025-09-01 1627.5 1626.2 1671 1671
2025-08-01 1627.5 1626.2 1671 1671
2025-07-01 1627.5 1626.2 1671 1671
2025-06-01 1627.5 1626.2 1671 1671
2025-05-01 1627.5 1626.2 1671 1671
2025-04-01 1627.5 1626.2 1671 1671
2025-03-01 1627.5 1626.2 1671 1671
2025-02-01 1627.5 1626.2 1671 1671
2025-01-01 1625.1 1623.7 1671 1671
2024-12-01 1625.1 1623.7 1671 1671
2024-11-01 1625.1 1623.7 1671 1671
2024-10-01 1625.1 1623.7 1671 1671
2024-09-01 1625.1 1623.7 1671 1671
2024-08-01 1625.1 1623.7 1671 1671
2024-07-01 1625.1 1623.7 1671 1671
2024-06-01 1625.1 1623.7 1671 1671
2024-08-01 1625.1 1623.7 1671 1671
2024-04-01 1625.1 1623.7 1671 1671
2024-03-01 1625.1 1623.7 1671 1671
2024-02-01 1625.1 1623.7 1671 1671
2024-01-01 1625.1 1623.7 1671 1671
2023-12-01 1625.1 1623.7 1659 1659
2023-11-01 1625.1 1623.7 1659 1659

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 WP Club League 2023 (A) 2023-07-29 2023-09-09 Standard Cape Town (WCT) 11 2 0 Yes Analysis

Top 3 Streaks

No games found.
# Games Start End
No games found.
# Games Start End
No games found.
# Games Start End
No games found.
# Games Start End
No games found.
# Games Start End
No games found.
# Games Start End
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 Maponya ,K (Kabelo) 1 0 -425 1 0 -425 0 0 0 0 0 0
1631.6 1206.6 1613 1206.6 0 0 0 0
2 Vermeulen ,L (Leonardus) 1 0 -425 1 0 -425 0 0 0 0 0 0
1431.3 1006.3 1407.4 1006.3 0 0 0 0

Norms

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