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Chess SA Region AOC

PLAYER PAGE

Personal

Van Doorn, J (Johannes Bernardus)

Chess SA id

1670158303

FIDE id

?

Date of birth

1967-06-30 (Adult)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1134.3 1120.1 1200 1200
Raw rating 1118.9 1102.6 1200 1200
Weighted rating 1134.3 1120.1 1200 1200
Weighted performance 0 0 0 0
Floor 700 700 700 700
K-factor 36 36 36 36
Min/Max rating change allowed 186.1 190.5 165.8 165.8
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
2024-02-01		 1200
2024-02-01
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
2024-02-01		 1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change -1.2 -1.4 0 0
New rating 1133.1 1118.8 1200 1200
Analysis
Rating 1134.3 1120.1 1200 1200
Raw rating 1118.9 1102.6 1200 1200
Weighted rating 1134.3 1120.1 1200
Weighted performance 0 0 0
K-factor 36 36 36 36
Floor 700 700 700 700
Max/Min rating change allowed 186.1 190.5 165.8 165.8
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 1118.9 1102.6 1200 1200
New weighted rating 1133.1 1118.8 1200 1200
New weighted performance 0 0 0 0
Temp new rating 1133.1 1118.8 1200 1200
Temp new rating +/- -1.2 -1.4 0 0
Final new rating +/- -1.2 -1.4 0 0
New rating 1133.1 1118.8 1200 1200
New K-factor 36 36 36 36
New floor 700 700 700 700

Item Main Standard Rapid Blitz
0 0 0 0
2 2 0 0
0 0 0 0
9 9 0 0
0 0 0 0
0 0 0 0
History 11 11 0 0

Games since
Main
2		 Standard
2		 Rapid
0		 Blitz
0
Gender Male
Age group Adult
Region Sedibeng (GSV)
Province Gauteng (GT)
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 2 0 0 -425 1309.2 884.2
Standard 2 0 0 -425 1309.2 884.2
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 11 0.5 4.55 -386.4 1347.8 961.4
Standard 11 0.5 4.55 -386.4 1347.8 961.4
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-11-01 1118.9 1102.6 1200 1200
2025-09-30 1136.9 1123.1 1200 1200
2025-09-01 1136.9 1123.1 1200 1200
2025-08-01 1136.9 1123.1 1200 1200
2025-07-01 1136.9 1123.1 1200 1200
2025-06-01 1136.9 1123.1 1200 1200
2025-05-01 1136.9 1123.1 1200 1200
2025-04-01 1136.9 1123.1 1200 1200
2025-03-01 1136.9 1123.1 1200 1200
2025-02-01 1136.9 1123.1 1200 1200
2025-01-01 1133.7 1119.3 1200 1200
2024-12-01 1133.7 1119.3 1200 1200
2024-11-01 1133.7 1119.3 1200 1200
2024-10-01 1133.7 1119.3 1200 1200
2024-09-01 1133.7 1119.3 1200 1200
2024-08-01 1133.7 1119.3 1200 1200
2024-07-01 1133.7 1119.3 1200 1200
2024-09-01 1133.7 1119.3 1200 1200
2024-05-01 1133.7 1119.3 1200 1200
2024-04-01 1133.7 1119.3 1200 1200
2024-03-01 1133.7 1119.3 1200 1200
2024-02-01 1133.7 1119.3 1200 1200
2024-01-01 1133.7 1119.3 1200 1200
2023-12-01 1133.7 1119.3 1200 1200

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 LS Fonteine Open 18 Oct 2025 (A) 2025-10-18 2025-10-18 Standard Sedibeng (GSV) 5 2 0 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 LS Fonteine Open 18 Oct 2025 (A) 2025-10-18 2025-10-18 Standard Sedibeng (GSV) 5 2 0 Yes Analysis
2 Fonteine Chess Open 2023 (A) 2023-09-02 2023-09-02 Standard Sedibeng (GSV) 5 4 0 Yes Analysis
3 Overvaal Ope Jul 2023 (A) 2023-07-22 2023-07-22 Standard Sedibeng (GSV) 5 3 0 Yes Analysis
4 Eureka Open 2023 (D) 2023-07-29 2023-07-29 Standard Sedibeng (GSV) 5 2 0.5 Yes Analysis

Top 3 Streaks

# Games Start End
1 1 Tournament
Eureka Open 2023		 Tournament
Eureka Open 2023
date
2023-07-29		 rnd
1		 type
Standard		 result
0.5		 date
2023-07-29		 rnd
1		 type
Standard		 result
0.5
Opponent
Gokool, N (Nishka)		 Opponent
Gokool, N (Nishka)
# Games Start End
1 1 Tournament
Eureka Open 2023		 Tournament
Eureka Open 2023
date
2023-07-29		 rnd
1		 type
Standard		 result
0.5		 date
2023-07-29		 rnd
1		 type
Standard		 result
0.5
Opponent
Gokool, N (Nishka)		 Opponent
Gokool, N (Nishka)
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 Williams ,A (Anika) 2 0 -425 2 0 -425 0 0 0 0 0 0
1411.4 986.4 1410.7 986.4 0 0 0 0
2 Wallace ,A (Amy) 1 0 -425 1 0 -425 0 0 0 0 0 0
1436.4 1011.4 1459.6 1011.4 0 0 0 0
3 Radebe ,T (Thabang) 1 0 -425 1 0 -425 0 0 0 0 0 0
1426.4 1001.4 1400.5 1001.4 0 0 0 0
4 Mini ,S (Siboniso) 1 0 -425 1 0 -425 0 0 0 0 0 0
1556.9 1131.9 1553.4 1131.9 0 0 0 0
5 Naidoo ,K (Kajol) 1 0 -425 1 0 -425 0 0 0 0 0 0
1449.1 1024.1 1432.5 1024.1 0 0 0 0
6 Nthejane ,T (Tshepang) 1 0 -425 1 0 -425 0 0 0 0 0 0
1189.9 764.9 1186.6 764.9 0 0 0 0
7 Gokool ,N (Nishka) 1 0.5 0 1 0.5 0 0 0 0 0 0 0
1270.1 1270.1 1241.7 1270.1 0 0 0 0
8 Pretorius ,HS (Hendrik Stefanus) 1 0 -425 1 0 -425 0 0 0 0 0 0
1282.2 857.2 1270 857.2 0 0 0 0
9 Hanauer ,A (Anthony) 1 0 -425 1 0 -425 0 0 0 0 0 0
1191.9 766.9 1220 766.9 0 0 0 0
10 Keulder ,D (Dirk) 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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