Chess South Africa
Last updated:
Player Tournament Analysis
Home
Chess South Africa
Greef, J (Janus)
Dob:
2006/08/31 (U20)
Gender:
Male
Chess SA id:
106060686
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Rapid rating
General
Tournament
JMC Helpmekaar 2021 (U16)
Tournament id
20210233
Rating type
Rapid
Start
2021/09/06
End
2021/09/06
Rounds
5
Total time
30
Time weight
0.60
Total time
Official results
Rating
1227.2
K-factor
36
Average opponent rating
1333.8
Performance
1333.8
Expected score
1.92
Score - Expected score
0.58
Rating change
12.5
Rating
764.6
K-factor
40
Average opponent rating
1003.3
Performance
1003.3
Expected score
1.15
Score - Expected score
1.35
Rating change
54.0
Games
5
Score
2.5
%
50.0
Dp
0
Wins
2
Draws
1
Losses
2
Final position
6
Shared position
5
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
5
2021/09/06
Brandt, DW (Declan William)
GJM
1536.1
1027.4
W
0
0.18
0.24
-3.9
-9.6
4
2021/09/06
Donald, J (Joshua)
GJM
1136.1
1099.0
W
1
0.65
0.15
7.6
34.0
3
2021/09/06
Voigt, H (Heinrich)
GJM
1275.7
954.4
B
½
0.40
0.24
2.2
10.4
2
2021/09/06
Sakhare, S (Soham)
GJM
1200.0
1200.0
W
1
0.57
0.03
9.3
38.8
1
2021/09/06
Jones, W (William)
GJM
1521.3
735.8
B
0
0.12
0.49
-2.6
-19.6