PLAYER PAGE

Personal

Viljoen, JA (Jacobus Andrew)

Chess SA id

171041756

FIDE id

?

Date of birth

1971-12-07 (Adult)

Gender

Male

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2024-03-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1262.3 1266.2 1100 1100
Raw rating 1262.3 1266.2 1100 1100
Weighted rating 1261.2 1264.9 1100 1100
Weighted performance 970.5 968.9 0 0
Floor 762.3 766.2 600 600
K-factor 36 36 40 40
Min/Max rating change allowed 151.7 150.9 191.2 191.2
Highest rating 1262.3
2024-04-01
1266.2
2024-04-01
1200
2024-02-01
1200
2024-02-01
Highest raw rating 1262.3
2024-04-01
1266.2
2024-04-01
1100
2024-02-01
1100
2024-02-01
Highest weighted rating 1260.2
2025-08-01
1263.8
2025-08-01
1100
2024-11-01
1100
2024-11-01
Highest weighted performance 1253.6
2023-07-01
1254
2023-07-01
1200
2024-02-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1262.3 1266.2 1100 1100
Analysis
Rating 1262.3 1266.2 1100 1100
Raw rating 1262.3 1266.2 1100 1100
Weighted rating 1261.2 1264.9 1100
Weighted performance 970.5 968.9 0
K-factor 36 36 40 40
Floor 762.3 766.2 600 600
Max/Min rating change allowed 151.7 150.9 191.2 191.2
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 1262.3 1266.2 1100 1100
New weighted rating 1261.6 1265.3 1100 1100
New weighted performance 970.1 968.5 0 0
Temp new rating 1262.3 1266.2 1100 1100
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1262.3 1266.2 1100 1100
New K-factor 36 36 40 40
New floor 762.3 766.2 600 600

Item Main Standard Rapid Blitz
0 0 0 0
0 0 0 0
5 5 0 0
22 22 0 0
2 2 0 0
0 0 0 0
History 31 31 0 0

Games since
Main
5
Standard
5
Rapid
0
Blitz
0
Gender Male
Age group Adult
Region Dr Kenneth Kaunda (NWP)
Province Northwest (NW)
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 29 11 37.93 -102.6 1358.6 1256
Standard 29 11 37.93 -102.6 1358.6 1256
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-09-30 1262.3 1266.2 1100 1100
2025-09-01 1262.3 1266.2 1100 1100
2025-08-01 1262.3 1266.2 1100 1100
2025-07-01 1262.3 1266.2 1100 1100
2025-06-01 1262.3 1266.2 1100 1100
2025-05-01 1262.3 1266.2 1100 1100
2025-04-01 1262.3 1266.2 1100 1100
2025-03-01 1262.3 1266.2 1100 1100
2025-02-01 1262.3 1266.2 1100 1100
2025-01-01 1262.3 1266.2 1100 1100
2024-12-01 1262.3 1266.2 1100 1100
2024-11-01 1262.3 1266.2 1100 1100
2024-10-01 1262.3 1266.2 1100 1100
2024-09-01 1262.3 1266.2 1100 1100
2024-08-01 1262.3 1266.2 1100 1100
2024-07-01 1262.3 1266.2 1100 1100
2024-06-01 1262.3 1266.2 1100 1100
2024-08-01 1262.3 1266.2 1100 1100
2024-04-01 1262.3 1266.2 1100 1100
2024-03-01 1240.2 1240.6 1100 1100
2024-02-01 1240.2 1240.6 1100 1100
2024-01-01 1240.2 1240.6 1100 1100
2023-12-01 1240.2 1240.6 1100 1100
2023-11-01 1240.2 1240.6 1100 1100

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 DR KKD Ferdies Mar 2024 (A) 2024-03-02 2024-03-02 Standard Dr Kenneth Kaunda (NWP) 5 5 2 Yes Analysis
2 DR Kenneth Kaunda Volkies 29 Jul 2023 (A) 2023-07-29 2023-07-29 Standard Dr Kenneth Kaunda (NWP) 5 4 1 Yes Analysis
3 Dr Kenneth Kaunda Volkies 2023 (A+B) 2023-06-10 2023-06-10 Standard Dr Kenneth Kaunda (NWP) 5 5 2 Yes Analysis
4 Dr KKD Curro 2023 (Open) 2023-05-13 2023-05-13 Standard Dr Kenneth Kaunda (NWP) 5 5 3 Yes Analysis
5 DR Kenneth Kaunda Curro 2023 (A+B) 2023-04-22 2023-04-22 Standard Dr Kenneth Kaunda (NWP) 5 4 1 Yes Analysis
6 Dr. Kenneth Kaunda Saamtrek 2023 (Open) 2023-02-04 2023-02-04 Standard Dr Kenneth Kaunda (NWP) 5 4 2 Yes Analysis
7 La Hoff Primary School 2022 (A) 2022-07-23 2022-07-23 Standard Dr Kenneth Kaunda (NWP) 5 2 0 Yes Analysis

Top 3 Streaks

# Games Start End
1 3 Tournament
DR KKD Ferdies Mar 2024
Tournament
DR KKD Ferdies Mar 2024
date
2024-03-02
rnd
2
type
Standard
result
0.5
date
2024-03-02
rnd
4
type
Standard
result
0.5
Opponent
Van Meersbergen, E (Ettienne)
Opponent
Faku, M (Maphasa)
2 2 Tournament
Dr KKD Curro 2023
Tournament
Dr KKD Curro 2023
date
2023-05-13
rnd
2
type
Standard
result
1
date
2023-05-13
rnd
3
type
Standard
result
1
Opponent
Segobola, K (Kgashane)
Opponent
Malherbe, GM (Gideon)
3 1 Tournament
DR Kenneth Kaunda Volkies 29 Jul 2023
Tournament
DR Kenneth Kaunda Volkies 29 Jul 2023
date
2023-07-29
rnd
5
type
Standard
result
1
date
2023-07-29
rnd
5
type
Standard
result
1
Opponent
Hattingh, JH (Johannes)
Opponent
Hattingh, JH (Johannes)
# Games Start End
1 3 Tournament
DR KKD Ferdies Mar 2024
Tournament
DR KKD Ferdies Mar 2024
date
2024-03-02
rnd
2
type
Standard
result
0.5
date
2024-03-02
rnd
4
type
Standard
result
0.5
Opponent
Van Meersbergen, E (Ettienne)
Opponent
Faku, M (Maphasa)
2 2 Tournament
Dr KKD Curro 2023
Tournament
Dr KKD Curro 2023
date
2023-05-13
rnd
2
type
Standard
result
1
date
2023-05-13
rnd
3
type
Standard
result
1
Opponent
Segobola, K (Kgashane)
Opponent
Malherbe, GM (Gideon)
3 1 Tournament
DR Kenneth Kaunda Volkies 29 Jul 2023
Tournament
DR Kenneth Kaunda Volkies 29 Jul 2023
date
2023-07-29
rnd
5
type
Standard
result
1
date
2023-07-29
rnd
5
type
Standard
result
1
Opponent
Hattingh, JH (Johannes)
Opponent
Hattingh, JH (Johannes)
No games found.
# Games Start End
No games found.
# Games Start End
# Games Start End
1 2 Tournament
Dr KKD Curro 2023
Tournament
Dr KKD Curro 2023
date
2023-05-13
rnd
2
type
Standard
result
1
date
2023-05-13
rnd
3
type
Standard
result
1
Opponent
Segobola, K (Kgashane)
Opponent
Malherbe, GM (Gideon)
2 1 Tournament
DR KKD Ferdies Mar 2024
Tournament
DR KKD Ferdies Mar 2024
date
2024-03-02
rnd
3
type
Standard
result
1
date
2024-03-02
rnd
3
type
Standard
result
1
Opponent
Meyambo, U (Unathi)
Opponent
Meyambo, U (Unathi)
3 1 Tournament
DR Kenneth Kaunda Volkies 29 Jul 2023
Tournament
DR Kenneth Kaunda Volkies 29 Jul 2023
date
2023-07-29
rnd
5
type
Standard
result
1
date
2023-07-29
rnd
5
type
Standard
result
1
Opponent
Hattingh, JH (Johannes)
Opponent
Hattingh, JH (Johannes)
# Games Start End
1 2 Tournament
Dr KKD Curro 2023
Tournament
Dr KKD Curro 2023
date
2023-05-13
rnd
2
type
Standard
result
1
date
2023-05-13
rnd
3
type
Standard
result
1
Opponent
Segobola, K (Kgashane)
Opponent
Malherbe, GM (Gideon)
2 1 Tournament
DR KKD Ferdies Mar 2024
Tournament
DR KKD Ferdies Mar 2024
date
2024-03-02
rnd
3
type
Standard
result
1
date
2024-03-02
rnd
3
type
Standard
result
1
Opponent
Meyambo, U (Unathi)
Opponent
Meyambo, U (Unathi)
3 1 Tournament
DR Kenneth Kaunda Volkies 29 Jul 2023
Tournament
DR Kenneth Kaunda Volkies 29 Jul 2023
date
2023-07-29
rnd
5
type
Standard
result
1
date
2023-07-29
rnd
5
type
Standard
result
1
Opponent
Hattingh, JH (Johannes)
Opponent
Hattingh, JH (Johannes)
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 Viljoen ,J (Jaden) 4 0 -425 4 0 -425 0 0 0 0 0 0
1399.6 974.6 1400.7 974.6 0 0 0 0
2 Molusi ,K (Katlego) 2 0 -425 2 0 -425 0 0 0 0 0 0
1529.5 1104.5 1530.5 1104.5 0 0 0 0
3 Libisi ,L (Libisi) 2 0 -425 2 0 -425 0 0 0 0 0 0
1411.7 986.7 1423.1 986.7 0 0 0 0
4 Vermeulen ,EJ (Ernestus Jacobus) 2 0 -425 2 0 -425 0 0 0 0 0 0
1495.8 1070.8 1499.8 1070.8 0 0 0 0
5 Goede ,K (Kari) 2 0 -425 2 0 -425 0 0 0 0 0 0
1456.4 1031.4 1451 1031.4 0 0 0 0
6 Faku ,M (Maphasa) 1 0.5 0 1 0.5 0 0 0 0 0 0 0
1406.9 1406.9 1384.7 1406.9 0 0 0 0
7 Meyambo ,U (Unathi) 1 1 425 1 1 425 0 0 0 0 0 0
1303.5 1728.5 1296.4 1728.5 0 0 0 0
8 Manhenda ,F (Farai) 1 1 425 1 1 425 0 0 0 0 0 0
1196.4 1621.4 1195.3 1621.4 0 0 0 0
9 Mazinyo ,M (Mpumelelo) 1 1 425 1 1 425 0 0 0 0 0 0
1297 1722 1285.4 1722 0 0 0 0
10 Malherbe ,GM (Gideon Marius) 1 1 425 1 1 425 0 0 0 0 0 0
853 1278 862.3 1278 0 0 0 0

Norms

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