PLAYER PAGE

Personal

Van Der Merwe, J (Janka)

Chess SA id

2120108356

FIDE id

?

Date of birth

2012-09-18 (U14)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2020-02-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 816 790.8 1200 1200
Raw rating 816 790.8 1200 1200
Weighted rating 816 790.8 1200 1200
Weighted performance 205.8 202.8 0 0
Floor 700 700 700 700
K-factor 36 36 36 36
Min/Max rating change allowed 286.6 297 165.8 165.8
Highest rating 1210.3
2019-01-01
1210.3
2019-01-01
1200
2018-10-01
1200
2018-10-01
Highest raw rating 1200
2018-02-01
1200
2018-02-01
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 1210.3
2019-01-01
1210.3
2019-01-01
1200
2024-03-01
1200
2024-03-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 816 790.8 1200 1200
Analysis
Rating 816 790.8 1200 1200
Raw rating 816 790.8 1200 1200
Weighted rating 816 790.8 1200
Weighted performance 205.8 202.8 0
K-factor 36 36 36 36
Floor 700 700 700 700
Max/Min rating change allowed 286.6 297 165.8 165.8
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 816 790.8 1200 1200
New weighted rating 816 790.8 1200 1200
New weighted performance 205.6 202.6 0 0
Temp new rating 816 790.8 1200 1200
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 816 790.8 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 39 39 0 0

Games since
Main
0
Standard
0
Rapid
0
Blitz
0
Gender Female
Age group U14
Region Tshwane (GTP)
Province Gauteng (GT)
Main
RSA Province Region
Overall -1 -1 -1
Female -1 -1 -1
U14 -1 -1 -1
U14 Female -1 -1 -1
Standard
RSA Province Region
Overall -1 -1 -1
Female -1 -1 -1
U14 -1 -1 -1
U14 Female -1 -1 -1
Rapid
RSA Province Region
Overall -1 -1 -1
Female -1 -1 -1
U14 -1 -1 -1
U14 Female -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Female -1 -1 -1
U14 -1 -1 -1
U14 Female -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 39 3 7.69 -359.6 1163.2 803.5
Standard 39 3 7.69 -359.6 1163.2 803.5
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-09-30 816 790.8 1200 1200
2025-09-01 816 790.8 1200 1200
2025-08-01 816 790.8 1200 1200
2025-07-01 816 790.8 1200 1200
2025-06-01 816 790.8 1200 1200
2025-05-01 816 790.8 1200 1200
2025-04-01 816 790.8 1200 1200
2025-03-01 816 790.8 1200 1200
2025-02-01 816 790.8 1200 1200
2025-01-01 816 790.8 1200 1200
2024-12-01 816 790.8 1200 1200
2024-11-01 816 790.8 1200 1200
2024-10-01 816 790.8 1200 1200
2024-09-01 816 790.8 1200 1200
2024-08-01 816 790.8 1200 1200
2024-07-01 816 790.8 1200 1200
2024-06-01 816 790.8 1200 1200
2024-08-01 816 790.8 1200 1200
2024-04-01 816 790.8 1200 1200
2024-03-01 816 790.8 1200 1200
2024-02-01 816 790.8 1200 1200
2024-01-01 816 790.8 1200 1200
2023-12-01 816 790.8 1200 1200
2023-11-01 816 790.8 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 2020 Constantiapark Open Chess Tournament (E) 2020-02-08 2020-02-08 Standard Tshwane (GTP) 5 4 0 Yes Analysis
2 2020 Registration Tournament (D) 2020-01-25 2020-01-25 Standard Tshwane (GTP) 5 5 0 Yes Analysis
3 2019 South African Junior Team Championships (U8B+U8Girls) 2020-01-04 2020-01-08 Standard 4 Knights (4K) 7 6 0 Yes Analysis
4 2019 TC SAJCC Prep Tournament (C) 2019-11-30 2019-11-30 Standard Tshwane (GTP) 5 3 0 Yes Analysis
5 2019 Etienne Lewis Trials (U8 Girls) 2019-08-30 2019-09-01 Standard Tshwane (GTP) 7 7 0 Yes Analysis
6 2019 D4 Individual Finals (U9 Girls) 2019-03-09 2019-03-09 Standard Tshwane (GTP) 5 5 0.5 Yes Analysis
7 2019 Constantia Park Open (E) 2019-02-09 2019-02-09 Standard Tshwane (GTP) 5 4 0 Yes Analysis
8 2019 Tshwane Chess Registration Tournament (F) 2019-01-26 2019-01-26 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis

Top 3 Streaks

# Games Start End
1 2 Tournament
2019 Tshwane Chess Registration Tournament
Tournament
2019 Tshwane Chess Registration Tournament
date
2019-01-26
rnd
2
type
Standard
result
0.5
date
2019-01-26
rnd
3
type
Standard
result
1
Opponent
Liang, Y (Yi Qiao (Joe))
Opponent
Sathish, A (Aarya)
2 1 Tournament
2019 D4 Individual Finals
Tournament
2019 D4 Individual Finals
date
2019-03-09
rnd
3
type
Standard
result
0.5
date
2019-03-09
rnd
3
type
Standard
result
0.5
Opponent
Janse Van Rensburg, M (Maria)
Opponent
Janse Van Rensburg, M (Maria)
3 1 Tournament
2019 Tshwane Chess Registration Tournament
Tournament
2019 Tshwane Chess Registration Tournament
date
2019-01-26
rnd
5
type
Standard
result
1
date
2019-01-26
rnd
5
type
Standard
result
1
Opponent
Bhudai, M (Milan)
Opponent
Bhudai, M (Milan)
# Games Start End
1 2 Tournament
2019 Tshwane Chess Registration Tournament
Tournament
2019 Tshwane Chess Registration Tournament
date
2019-01-26
rnd
2
type
Standard
result
0.5
date
2019-01-26
rnd
3
type
Standard
result
1
Opponent
Liang, Y (Yi Qiao (Joe))
Opponent
Sathish, A (Aarya)
2 1 Tournament
2019 D4 Individual Finals
Tournament
2019 D4 Individual Finals
date
2019-03-09
rnd
3
type
Standard
result
0.5
date
2019-03-09
rnd
3
type
Standard
result
0.5
Opponent
Janse Van Rensburg, M (Maria)
Opponent
Janse Van Rensburg, M (Maria)
3 1 Tournament
2019 Tshwane Chess Registration Tournament
Tournament
2019 Tshwane Chess Registration Tournament
date
2019-01-26
rnd
5
type
Standard
result
1
date
2019-01-26
rnd
5
type
Standard
result
1
Opponent
Bhudai, M (Milan)
Opponent
Bhudai, M (Milan)
No games found.
# Games Start End
No games found.
# Games Start End
# Games Start End
1 1 Tournament
2019 Tshwane Chess Registration Tournament
Tournament
2019 Tshwane Chess Registration Tournament
date
2019-01-26
rnd
5
type
Standard
result
1
date
2019-01-26
rnd
5
type
Standard
result
1
Opponent
Bhudai, M (Milan)
Opponent
Bhudai, M (Milan)
2 1 Tournament
2019 Tshwane Chess Registration Tournament
Tournament
2019 Tshwane Chess Registration Tournament
date
2019-01-26
rnd
3
type
Standard
result
1
date
2019-01-26
rnd
3
type
Standard
result
1
Opponent
Sathish, A (Aarya)
Opponent
Sathish, A (Aarya)
# Games Start End
1 1 Tournament
2019 Tshwane Chess Registration Tournament
Tournament
2019 Tshwane Chess Registration Tournament
date
2019-01-26
rnd
5
type
Standard
result
1
date
2019-01-26
rnd
5
type
Standard
result
1
Opponent
Bhudai, M (Milan)
Opponent
Bhudai, M (Milan)
2 1 Tournament
2019 Tshwane Chess Registration Tournament
Tournament
2019 Tshwane Chess Registration Tournament
date
2019-01-26
rnd
3
type
Standard
result
1
date
2019-01-26
rnd
3
type
Standard
result
1
Opponent
Sathish, A (Aarya)
Opponent
Sathish, A (Aarya)
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 Yang ,S (Selina) 3 0 -425 3 0 -425 0 0 0 0 0 0
1159 734 1143 734 0 0 0 0
2 Bhudai ,M (Milan) 2 1 0 2 1 0 0 0 0 0 0 0
1147.1 1147.1 1136.6 1147.1 0 0 0 0
3 De Swardt ,M (Mieke) 2 0 -425 2 0 -425 0 0 0 0 0 0
1228.3 803.3 1226.4 803.3 0 0 0 0
4 De Kock ,L (Lana) 1 0 -425 1 0 -425 0 0 0 0 0 0
1204.7 779.7 1207.2 779.7 0 0 0 0
5 Rajaram ,E (Ekavir) 1 0 -425 1 0 -425 0 0 0 0 0 0
1042.2 617.2 1009.7 617.2 0 0 0 0
6 Malan ,R (Ruhan) 1 0 -425 1 0 -425 0 0 0 0 0 0
1200 775 1200 775 0 0 0 0
7 Van Der Westhuizen ,M (Mianke) 1 0 -425 1 0 -425 0 0 0 0 0 0
1114.4 689.4 1100 689.4 0 0 0 0
8 Jansen Van Vuuren ,G (Gianni) 1 0 -425 1 0 -425 0 0 0 0 0 0
1200 775 1200 775 0 0 0 0
9 De Klerk ,A (Antonie) 1 0 -425 1 0 -425 0 0 0 0 0 0
1200 775 1200 775 0 0 0 0
10 Kganana ,BM (Bontle Martha) 1 0 -425 1 0 -425 0 0 0 0 0 0
1200 775 1200 775 0 0 0 0

Norms

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