PLAYER PAGE

Personal

Jonker, C (Christiaan)

Chess SA id

1110117926

FIDE id

?

Date of birth

2011-07-21 (U16)

Gender

Male

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2023-09-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1204.6 1209 1200 1200
Raw rating 1204.6 1209 1200 1200
Weighted rating 1204.5 1208.9 1200 1200
Weighted performance 0 0 0 0
Floor 730.2 742 700 700
K-factor 36 36 36 36
Min/Max rating change allowed 164.7 163.7 165.8 165.8
Highest rating 1230.2
2023-09-01
1242
2023-09-01
1200
2018-10-01
1200
2018-10-01
Highest raw rating 1230.2
2023-09-01
1242
2023-09-01
1200
2024-02-01
1200
2024-02-01
Highest weighted rating 1230.2
2025-07-01
1242
2025-07-01
1200
2018-10-01
1200
2018-10-01
Highest weighted performance 1200
2018-02-01
1200
2018-02-01
1200
2024-02-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1204.6 1209 1200 1200
Analysis
Rating 1204.6 1209 1200 1200
Raw rating 1204.6 1209 1200 1200
Weighted rating 1204.5 1208.9 1200
Weighted performance 0 0 0
K-factor 36 36 36 36
Floor 730.2 742 700 700
Max/Min rating change allowed 164.7 163.7 165.8 165.8
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 1204.6 1209 1200 1200
New weighted rating 1204.5 1208.9 1200 1200
New weighted performance 0 0 0 0
Temp new rating 1204.6 1209 1200 1200
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1204.6 1209 1200 1200
New K-factor 36 36 36 36
New floor 730.2 742 700 700

Item Main Standard Rapid Blitz
0 0 0 0
0 0 0 0
0 0 0 0
12 12 0 0
0 0 0 0
0 0 0 0
History 16 16 0 0

Games since
Main
0
Standard
0
Rapid
0
Blitz
0
Gender Male
Age group U16
Region Dr Kenneth Kaunda (NWP)
Province Northwest (NW)
Main
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 Male -1 -1 -1
Standard
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 Male -1 -1 -1
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 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 16 8 50 0 1195.8 1195.8
Standard 16 8 50 0 1195.8 1195.8
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-09-30 1204.6 1209 1200 1200
2025-09-01 1204.6 1209 1200 1200
2025-08-01 1204.6 1209 1200 1200
2025-07-01 1204.6 1209 1200 1200
2025-06-01 1204.5 1208.9 1200 1200
2025-05-01 1204.5 1208.9 1200 1200
2025-04-01 1204.5 1208.9 1200 1200
2025-03-01 1204.5 1208.9 1200 1200
2025-02-01 1204.5 1208.9 1200 1200
2025-01-01 1204.5 1208.9 1200 1200
2024-12-01 1204.5 1208.9 1200 1200
2024-11-01 1204.5 1208.9 1200 1200
2024-10-01 1204.5 1208.9 1200 1200
2024-09-01 1204.5 1208.9 1200 1200
2024-08-01 1204.5 1208.9 1200 1200
2024-07-01 1204.5 1208.9 1200 1200
2024-06-01 1204.5 1208.9 1200 1200
2024-08-01 1204.5 1208.9 1200 1200
2024-04-01 1204.5 1208.9 1200 1200
2024-03-01 1204.5 1208.9 1200 1200
2024-02-01 1204.5 1208.9 1200 1200
2024-01-01 1204.5 1208.9 1200 1200
2023-12-01 1204.5 1208.9 1200 1200
2023-11-01 1204.5 1208.9 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 DR KKD Trials 2023 (U14) 2023-09-02 2023-09-02 Standard Dr Kenneth Kaunda (NWP) 5 5 2 Yes Analysis
2 DR KKD Meiringspark 2023 (Senior Beginners) 2023-08-19 2023-08-19 Standard Dr Kenneth Kaunda (NWP) 5 5 4.5 Yes Analysis
3 Dr KKD NG Goudkop 2023 (D Senior) 2023-03-18 2023-03-18 Standard Dr Kenneth Kaunda (NWP) 5 2 0.5 Yes Analysis
4 Boys + Girls Tournament 2019 (U8) 2019-08-17 2019-08-17 Standard Dr Kenneth Kaunda (NWP) 5 4 1 Yes Analysis

Top 3 Streaks

# Games Start End
1 6 Tournament
Dr KKD NG Goudkop 2023
Tournament
DR KKD Meiringspark 2023
date
2023-03-18
rnd
2
type
Standard
result
0.5
date
2023-08-19
rnd
5
type
Standard
result
1
Opponent
Manyobe, L (Lesego)
Opponent
Thiart, J (Joe)
2 3 Tournament
DR KKD Trials 2023
Tournament
DR KKD Trials 2023
date
2023-09-02
rnd
2
type
Standard
result
0.5
date
2023-09-02
rnd
4
type
Standard
result
0.5
Opponent
Mkhwanazi, R (Reabetswe)
Opponent
Grobbelaar, H (Hannes)
3 1 Tournament
Boys + Girls Tournament 2019
Tournament
Boys + Girls Tournament 2019
date
2019-08-17
rnd
2
type
Standard
result
1
date
2019-08-17
rnd
2
type
Standard
result
1
Opponent
Fernandes, A (Alrichko)
Opponent
Fernandes, A (Alrichko)
# Games Start End
1 6 Tournament
Dr KKD NG Goudkop 2023
Tournament
DR KKD Meiringspark 2023
date
2023-03-18
rnd
2
type
Standard
result
0.5
date
2023-08-19
rnd
5
type
Standard
result
1
Opponent
Manyobe, L (Lesego)
Opponent
Thiart, J (Joe)
2 3 Tournament
DR KKD Trials 2023
Tournament
DR KKD Trials 2023
date
2023-09-02
rnd
2
type
Standard
result
0.5
date
2023-09-02
rnd
4
type
Standard
result
0.5
Opponent
Mkhwanazi, R (Reabetswe)
Opponent
Grobbelaar, H (Hannes)
3 1 Tournament
Boys + Girls Tournament 2019
Tournament
Boys + Girls Tournament 2019
date
2019-08-17
rnd
2
type
Standard
result
1
date
2019-08-17
rnd
2
type
Standard
result
1
Opponent
Fernandes, A (Alrichko)
Opponent
Fernandes, A (Alrichko)
No games found.
# Games Start End
No games found.
# Games Start End
# Games Start End
1 2 Tournament
DR KKD Meiringspark 2023
Tournament
DR KKD Meiringspark 2023
date
2023-08-19
rnd
4
type
Standard
result
1
date
2023-08-19
rnd
5
type
Standard
result
1
Opponent
Greyling, J (Jeandre)
Opponent
Thiart, J (Joe)
2 2 Tournament
DR KKD Meiringspark 2023
Tournament
DR KKD Meiringspark 2023
date
2023-08-19
rnd
1
type
Standard
result
1
date
2023-08-19
rnd
2
type
Standard
result
1
Opponent
Broodryk, P (Paula)
Opponent
De Klerk, I (Ivan)
3 1 Tournament
DR KKD Trials 2023
Tournament
DR KKD Trials 2023
date
2023-09-02
rnd
3
type
Standard
result
1
date
2023-09-02
rnd
3
type
Standard
result
1
Opponent
Van Wyk, A (Anthonie)
Opponent
Van Wyk, A (Anthonie)
# Games Start End
1 2 Tournament
DR KKD Meiringspark 2023
Tournament
DR KKD Meiringspark 2023
date
2023-08-19
rnd
4
type
Standard
result
1
date
2023-08-19
rnd
5
type
Standard
result
1
Opponent
Greyling, J (Jeandre)
Opponent
Thiart, J (Joe)
2 2 Tournament
DR KKD Meiringspark 2023
Tournament
DR KKD Meiringspark 2023
date
2023-08-19
rnd
1
type
Standard
result
1
date
2023-08-19
rnd
2
type
Standard
result
1
Opponent
Broodryk, P (Paula)
Opponent
De Klerk, I (Ivan)
3 1 Tournament
DR KKD Trials 2023
Tournament
DR KKD Trials 2023
date
2023-09-02
rnd
3
type
Standard
result
1
date
2023-09-02
rnd
3
type
Standard
result
1
Opponent
Van Wyk, A (Anthonie)
Opponent
Van Wyk, A (Anthonie)
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 Fouche ,D (Daru) 1 0.5 0 1 0.5 0 0 0 0 0 0 0
1174.8 1174.8 1200 1174.8 0 0 0 0
2 Goldschagg ,R (Rudolf) 1 0 -425 1 0 -425 0 0 0 0 0 0
1315.8 890.8 1311.7 890.8 0 0 0 0
3 Van Wyk ,A (Anthonie) 1 1 425 1 1 425 0 0 0 0 0 0
1153.4 1578.4 1169.8 1578.4 0 0 0 0
4 Thiart ,J (Joe) 1 1 425 1 1 425 0 0 0 0 0 0
1187.3 1612.3 1200 1612.3 0 0 0 0
5 Fernandes ,A (Alrichko) 1 1 425 1 1 425 0 0 0 0 0 0
1120 1545 1108 1545 0 0 0 0
6 Mqakelana ,K (Kitso) 1 0 -425 1 0 -425 0 0 0 0 0 0
1200 775 1200 775 0 0 0 0
7 Manyobe ,L (Lesego) 1 0.5 0 1 0.5 0 0 0 0 0 0 0
1200 1200 1200 1200 0 0 0 0
8 Mostert ,DE (Dawid Erich) 1 0 -425 1 0 -425 0 0 0 0 0 0
1302.4 877.4 1315.2 877.4 0 0 0 0
9 Esterhuizen ,K (Kiegan) 1 0 -425 1 0 -425 0 0 0 0 0 0
1190.8 765.8 1192.1 765.8 0 0 0 0
10 Mkhwanazi ,R (Reabetswe) 1 0.5 0 1 0.5 0 0 0 0 0 0 0
1110.4 1110.4 1091.7 1110.4 0 0 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
© Chess South Africa