Chess South Africa
Last updated:
Player Tournament Analysis
Home
Chess South Africa
Gretffrath, S (Sonja)
Dob:
2010/01/30 (U16)
Gender:
Female
Chess SA id:
2100149930
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Standard rating
General
Tournament
Eden Schools Closed Trials 1 2020 (U11 Girls)
Tournament id
20200577
Rating type
Standard
Start
2020/03/07
End
2020/03/07
Rounds
5
Total time
65
Time weight
0.85
Total time
Official results
Rating
1272.4
K-factor
40
Average opponent rating
1254.0
Performance
1509.0
Expected score
2.65
Score - Expected score
1.35
Rating change
45.9
Rating
1281.7
K-factor
40
Average opponent rating
1246.6
Performance
1501.6
Expected score
2.75
Score - Expected score
1.25
Rating change
50.0
Games
5
Score
4.0
%
80.0
Dp
255
Wins
4
Draws
0
Losses
1
Final position
4
Shared position
3
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
5
2020/03/07
Labuschagne, A (Anke)
WEG
1330.1
1305.0
W
1
0.47
0.51
17.0
19.6
4
2020/03/07
Kruger, R (Riasha)
WEG
1224.1
1248.1
B
1
0.51
0.50
15.7
20.0
3
2020/03/07
Jansen, N (Nina Lee)
WEG
1146.9
1135.2
W
1
0.69
0.71
9.9
11.6
2
2020/03/07
Gouws, G (Garlan)
WEG
1284.6
1248.5
B
0
0.44
0.50
-14.1
-20.0
1
2020/03/07
Robertson, M (Melcaylinn)
WEG
1284.3
1296.0
W
1
0.53
0.53
15.0
18.8