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Personal

Keller, JMF (Johann Martin Fredrich)

Chess SA id

195015095

FIDE id

?

Date of birth

1995-11-22 (Adult)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1536.1 1533.2 1491 1491
Raw rating 1536.1 1533.2 1491 1491
Weighted rating 1494.4 1494.2 1490.8 1490.8
Weighted performance 0 0 0 0
Floor 1036.1 1033.2 991 991
K-factor 32 32 32 32
Min/Max rating change allowed 102.7 103.1 109.5 109.5
Highest rating 1536.1
2025-11-01		 1533.2
2025-11-01		 1491
2024-02-01		 1491
2024-02-01
Highest raw rating 1536.1
2025-11-01		 1533.2
2025-11-01		 1491
2024-02-01		 1491
2024-02-01
Highest weighted rating 1494.4
2025-11-01		 1494.2
2025-11-01		 1488.8
2025-08-01		 1488.8
2025-08-01
Highest weighted performance 1200
2024-02-01		 1200
2024-02-01		 1200
2024-02-01		 1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1536.1 1533.2 1491 1491
Analysis
Rating 1536.1 1533.2 1491 1491
Raw rating 1536.1 1533.2 1491 1491
Weighted rating 1494.4 1494.2 1490.8
Weighted performance 0 0 0
K-factor 32 32 32 32
Floor 1036.1 1033.2 991 991
Max/Min rating change allowed 102.7 103.1 109.5 109.5
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 1536.1 1533.2 1491 1491
New weighted rating 1498.1 1497.6 1491 1491
New weighted performance 0 0 0 0
Temp new rating 1536.1 1533.2 1491 1491
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1536.1 1533.2 1491 1491
New K-factor 32 32 32 32
New floor 1036.1 1033.2 991 991

Item Main Standard Rapid Blitz
0 0 0 0
7 7 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
History 77 77 0 0

Games since
Main
7		 Standard
7		 Rapid
0		 Blitz
0
Gender Male
Age group Adult
Region Nelson Mandela Bay (ENM)
Province Eastern Cape (EC)
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 7 6.5 92.86 364.3 1312.2 1676.5
Standard 7 6.5 92.86 364.3 1312.2 1676.5
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 7 6.5 92.86 364.3 1312.2 1676.5
Standard 7 6.5 92.86 364.3 1312.2 1676.5
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-11-01 1536.1 1533.2 1491 1491
2025-09-30 1491 1491 1491 1491
2025-09-01 1491 1491 1491 1491
2025-08-01 1491 1491 1491 1491
2025-07-01 1491 1491 1491 1491
2025-06-01 1491 1491 1491 1491
2025-05-01 1491 1491 1491 1491
2025-04-01 1491 1491 1491 1491
2025-03-01 1491 1491 1491 1491
2025-02-01 1491 1491 1491 1491
2025-01-01 1491 1491 1491 1491
2024-12-01 1491 1491 1491 1491
2024-11-01 1491 1491 1491 1491
2024-10-01 1491 1491 1491 1491
2024-09-01 1491 1491 1491 1491
2024-08-01 1491 1491 1491 1491
2024-07-01 1491 1491 1491 1491
2024-09-01 1491 1491 1491 1491
2024-05-01 1491 1491 1491 1491
2024-04-01 1491 1491 1491 1491
2024-03-01 1491 1491 1491 1491
2024-02-01 1491 1491 1491 1491
2024-01-01 1491 1491 1491 1491
2023-12-01 1424 1424 1424 1424

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 Cape Town Chess Federation Club League 2025 (C) 2025-07-26 2025-09-27 Standard Cape Town (WCT) 11 7 6.5 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Cape Town Chess Federation Club League 2025 (C) 2025-07-26 2025-09-27 Standard Cape Town (WCT) 11 7 6.5 Yes Analysis

Top 3 Streaks

# Games Start End
1 7 Tournament
Cape Town Chess Federation Club League 2025		 Tournament
Cape Town Chess Federation Club League 2025
date
2025-08-23		 rnd
5		 type
Standard		 result
1		 date
2025-09-27		 rnd
11		 type
Standard		 result
1
Opponent
Diedericks, C (Caylah)		 Opponent
Moodley, J (Joshua)
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 Diedericks ,C (Caylah) 1 1 425 1 1 425 0 0 0 0 0 0
1470.2 1895.2 1447.1 1895.2 0 0 0 0
2 Jimu ,T (Tatenda) 1 1 425 1 1 425 0 0 0 0 0 0
1250.8 1675.8 1231 1675.8 0 0 0 0
3 Naidoo ,A (Amal) 1 0.5 0 1 0.5 0 0 0 0 0 0 0
1213.5 1213.5 1214.8 1213.5 0 0 0 0
4 Moodley ,J (Joshua) 1 1 425 1 1 425 0 0 0 0 0 0
1200 1625 1200 1625 0 0 0 0
5 Baker ,G (Gregory) 1 1 425 1 1 425 0 0 0 0 0 0
1247.1 1672.1 1201.1 1672.1 0 0 0 0
6 Palmer ,C (Carl) 1 1 425 1 1 425 0 0 0 0 0 0
1462.2 1887.2 1469.1 1887.2 0 0 0 0
7 Naidoo ,T (Thushani) 1 1 425 1 1 425 0 0 0 0 0 0
1341.7 1766.7 1338.9 1766.7 0 0 0 0

Norms

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