PLAYER PAGE

Personal

Koen, D (Dave)

Chess SA id

1050149089

FIDE id

?

Date of birth

2005-03-04 (Adult)

Gender

Male

Region

ZF Mgcawu (NZF)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2023-10-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1125.3 1106.7 1200 1200
Raw rating 1125.3 1106.7 1200 1200
Weighted rating 1123 1103.7 1200 1200
Weighted performance 0 0 0 0
Floor 700 700 700 700
K-factor 36 36 36 36
Min/Max rating change allowed 184.4 189.4 165.8 165.8
Highest rating 1200
2018-10-01
1200
2018-10-01
1200
2018-10-01
1200
2018-10-01
Highest raw rating 1200
2019-12-01
1200
2019-12-01
1200
2024-03-01
1200
2024-03-01
Highest weighted rating 1200
2018-10-01
1200
2018-10-01
1200
2018-10-01
1200
2018-10-01
Highest weighted performance 1200
2019-12-01
1200
2019-12-01
1200
2024-03-01
1200
2024-03-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1125.3 1106.7 1200 1200
Analysis
Rating 1125.3 1106.7 1200 1200
Raw rating 1125.3 1106.7 1200 1200
Weighted rating 1123 1103.7 1200
Weighted performance 0 0 0
K-factor 36 36 36 36
Floor 700 700 700 700
Max/Min rating change allowed 184.4 189.4 165.8 165.8
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 1125.3 1106.7 1200 1200
New weighted rating 1123.3 1104.1 1200 1200
New weighted performance 0 0 0 0
Temp new rating 1125.3 1106.7 1200 1200
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1125.3 1106.7 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
11 11 0 0
0 0 0 0
0 0 0 0
History 11 11 0 0

Games since
Main
6
Standard
6
Rapid
0
Blitz
0
Gender Male
Age group Adult
Region ZF Mgcawu (NZF)
Province Northern Cape (NC)
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 11 3 27.27 -193.2 1192.9 999.7
Standard 11 3 27.27 -193.2 1192.9 999.7
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-09-30 1125.3 1106.7 1200 1200
2025-09-01 1125.3 1106.7 1200 1200
2025-08-01 1125.3 1106.7 1200 1200
2025-07-01 1125.3 1106.7 1200 1200
2025-06-01 1125.3 1106.7 1200 1200
2025-05-01 1125.3 1106.7 1200 1200
2025-04-01 1125.3 1106.7 1200 1200
2025-03-01 1125.3 1106.7 1200 1200
2025-02-01 1125.3 1106.7 1200 1200
2025-01-01 1119.4 1099.2 1200 1200
2024-12-01 1119.4 1099.2 1200 1200
2024-11-01 1119.4 1099.2 1200 1200
2024-10-01 1119.4 1099.2 1200 1200
2024-09-01 1119.4 1099.2 1200 1200
2024-08-01 1119.4 1099.2 1200 1200
2024-07-01 1119.4 1099.2 1200 1200
2024-06-01 1119.4 1099.2 1200 1200
2024-08-01 1119.4 1099.2 1200 1200
2024-04-01 1119.4 1099.2 1200 1200
2024-03-01 1119.4 1099.2 1200 1200
2024-02-01 1119.4 1099.2 1200 1200
2024-01-01 1119.4 1099.2 1200 1200
2023-12-01 1119.4 1099.2 1200 1200
2023-11-01 1119.4 1099.2 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 Paarl Boys High Chess Festival 2023 (2nd Division) 2023-10-13 2023-10-14 Standard Cape Winelands (WCW) 6 6 1 Yes Analysis
2 Grey College Team Championship 2023 (B) 2023-02-03 2023-02-04 Standard Mangaung (FMB) 5 5 2 Yes Analysis

Top 3 Streaks

# Games Start End
1 3 Tournament
Grey College Team Championship 2023
Tournament
Paarl Boys High Chess Festival 2023
date
2023-02-04
rnd
4
type
Standard
result
1
date
2023-10-13
rnd
1
type
Standard
result
1
Opponent
Mopedi, K (Karabo)
Opponent
Steyn, D (De La Rey)
# Games Start End
1 3 Tournament
Grey College Team Championship 2023
Tournament
Paarl Boys High Chess Festival 2023
date
2023-02-04
rnd
4
type
Standard
result
1
date
2023-10-13
rnd
1
type
Standard
result
1
Opponent
Mopedi, K (Karabo)
Opponent
Steyn, D (De La Rey)
No games found.
# Games Start End
No games found.
# Games Start End
# Games Start End
1 3 Tournament
Grey College Team Championship 2023
Tournament
Paarl Boys High Chess Festival 2023
date
2023-02-04
rnd
4
type
Standard
result
1
date
2023-10-13
rnd
1
type
Standard
result
1
Opponent
Mopedi, K (Karabo)
Opponent
Steyn, D (De La Rey)
# Games Start End
1 3 Tournament
Grey College Team Championship 2023
Tournament
Paarl Boys High Chess Festival 2023
date
2023-02-04
rnd
4
type
Standard
result
1
date
2023-10-13
rnd
1
type
Standard
result
1
Opponent
Mopedi, K (Karabo)
Opponent
Steyn, D (De La Rey)
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 Mafela ,T (Tshiamo) 1 0 -425 1 0 -425 0 0 0 0 0 0
1200 775 1200 775 0 0 0 0
2 Plaat ,M (Meldriego) 1 0 -425 1 0 -425 0 0 0 0 0 0
1103.7 678.7 1084.8 678.7 0 0 0 0
3 Seboa ,A (Ayaan) 1 0 -425 1 0 -425 0 0 0 0 0 0
1200 775 1200 775 0 0 0 0
4 Molotsi ,K (Kopano) 1 0 -425 1 0 -425 0 0 0 0 0 0
1200 775 1200 775 0 0 0 0
5 Steyn ,D (De La Rey) 1 1 425 1 1 425 0 0 0 0 0 0
1299.6 1724.6 1302 1724.6 0 0 0 0
6 Mopedi ,K (Karabo) 1 1 425 1 1 425 0 0 0 0 0 0
1200 1625 1200 1625 0 0 0 0
7 Msuku ,K (Kyle) 1 0 -425 1 0 -425 0 0 0 0 0 0
1178.4 753.4 1200 753.4 0 0 0 0
8 Share ,C (Charles) 1 0 -425 1 0 -425 0 0 0 0 0 0
1166.8 741.8 1160 741.8 0 0 0 0
9 Van Wyk ,M (Malienke) 1 0 -425 1 0 -425 0 0 0 0 0 0
1139.2 714.2 1102.4 714.2 0 0 0 0
10 Windvogel ,A (Adrianno) 1 0 -425 1 0 -425 0 0 0 0 0 0
1180.4 755.4 1105.6 755.4 0 0 0 0

Norms

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